ANTENNA DEVICE AND METHOD FOR MOUNTING AN ANTENNA DEVICE

Abstract

The purpose of the present invention is to simplify the structure and the like of an antenna device. An antenna device according to the present invention comprises a first antenna, a second antenna supporting a different frequency band than that of the first antenna, and a holder that supports the first antenna and the second antenna, the holder having a first part that supports both the first antenna and the second antenna.

Description

TECHNICAL AREA

[0001] The present invention relates to an in-vehicle antenna device. BACKGROUND STATE OF TECHNOLOGY

[0002] In the prior art, an in-vehicle antenna device as proposed in patent literature 1 has been described. QUOTE LIST PATENT LITERATURE

[0003] Patent Literature 1: JP2022-152425A SUMMARY OF THE INVENTIONAL PROBLEM

[0004] Patent literature 1 describes a component (an element holder) that holds only one antenna element. In contrast, if multiple antennas are held, the component holding the antennas can have a more complex structure.

[0005] One example of a purpose of the present invention is to simplify the structure and the like of an antenna device. Further purposes of the present invention will become apparent from the present description. SOLUTION TO THE PROBLEM

[0006] One aspect of the present invention is an antenna device comprising: a first antenna, a second antenna corresponding to a different frequency band than that of the first antenna, and a support holding the first antenna and the second antenna, wherein the support comprises a first section holding both the first antenna and the second antenna.

[0007] One aspect of the present invention is a method for mounting an antenna device, the method comprising: a first antenna mounting step for attaching the first antenna to a support via at least one opening of the first antenna, a second antenna mounting step for attaching a second antenna to the support via at least the opening, a support mounting step for attaching the support to a base or a first substrate, and a connection step for electrically connecting the first antenna to the first substrate attached to the base.

[0008] According to the above aspect of the present invention, the structure and the like of the antenna device can be simplified. BRIEF DESCRIPTION OF THE DRAWINGS Fig. Figure 1 is a perspective view of an antenna device according to a first embodiment in a state in which an outer cover is removed, seen obliquely from above on the left. Fig. Figure 2 is a perspective view of a housing, a pad, an antenna element section, a bracket, a substrate section and a base seen obliquely from above, from the right. Fig. Figure 3 is a perspective view of a first antenna, the mount, a second substrate and a connecting fitting, seen from a slanted top view from the right. Fig. Figure 4 is a perspective view of the first antenna, a second antenna, the bracket, the second substrate and the connecting fitting, seen from a slanted top view from the left. Fig. Figure 5 is a perspective view of the bracket to which the first antenna, the second substrate and the connecting fitting are attached, seen from a slanted top view from the right. Fig. Figure 6 is a right side view of an area where the first antenna is attached to the mount and to a first substrate. Fig. Figure 7 is a right side view of an area where the first antenna is attached to the first substrate. Fig. Figure 8 is a perspective view of the second antenna, seen from a low angle from the left. Fig. Figure 9 is a perspective view of the bracket to which the first and second antennas are attached, seen from above. Fig. Figure 10 is a perspective view of the bracket before the mounting and the base, seen from a diagonal angle from the right. Fig. Figure 11 is a perspective view of the bracket after fastening and the base, seen from a slanted top view from the right. Fig. Figure 12 is a perspective view of an area which in an antenna device according to a second embodiment comprises a connecting section formed by a first area, a second area and a third area of ​​the same height, seen obliquely from above and from the right. Fig. Figure 13 is a perspective view of an area comprising a connecting section and a substrate opening in an antenna device according to a third embodiment, seen obliquely from above on the left. Fig. Figure 14 is a perspective view of the area where the connecting section and the substrate opening are located, seen obliquely from above on the right. Fig. Figure 15 is a perspective view of the area where the connecting section and the substrate opening are located, seen from below. DESCRIPTION OF THE EXECUTION FORMS

[0009] An antenna device 1 of a first embodiment is described below with reference to the drawings. Embodiments are not limited to the following embodiments. Content described in one embodiment is, in principle, applied in the same way to other embodiments. The embodiments and modifications can be combined as needed.

[0010] In the following description, directions are defined as follows: the front-back direction of the vehicle on which the antenna device 1 is attached is defined as the x-direction, a left-right direction perpendicular to the x-direction is defined as the y-direction, and a substantially vertical direction perpendicular to both the x-direction and the y-direction is defined as the z-direction. Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10, Fig. 11, Fig. 12, Fig. 13, Fig. 14 to Fig. 15. The directions indicated by the respective arrows of the xyz axes are defined as forward direction, right direction and upward direction. (Antenna device 1)

[0011] The antenna device 1 of the first embodiment is an in-vehicle antenna device that is mounted on an upper surface of a vehicle's roof. As shown in Fig. 1 and Fig. As shown in Figure 2, the antenna device 1 comprises an antenna element section 20 and a mounting bracket 30. The antenna device 1 of the first embodiment further comprises an outer cover 3, a housing 5, a pad 7, a substrate section 45 and a base 50. (Outer cover 3)

[0012] The outer cover 3 is made of a synthetic resin with radio wave permeability. For example, the outer cover 3 is inclined such that a front face is lower in the x-direction than a rear face in the x-direction, and has a shark fin shape with both side surfaces curved inwards. The outer cover 3 has an open bottom and covers the housing 5, the antenna element section 20, and the like from above in the z-direction. The outer cover 3 is attached to the base 50 by a snap-fit ​​connection or the like. An outer perimeter pad (not shown) is provided between the outer cover 3 and the roof of the vehicle. The illustration of the outer cover 3 is limited except for Fig. 1 omitted. Furthermore, the antenna device 1 can be configured such that the outer cover 3 is omitted.

[0013] Furthermore, the housing 5 and the like may be provided within the roof of the vehicle. In this case, the outer cover 3 is omitted and the base 50 and the like are attached to an inner panel and the like of the vehicle. (Housing 5)

[0014] Housing 5 consists of a synthetic resin with radio wave permeability. As in Fig. As shown in Figure 2, the underside of the housing 5 is open. The housing 5 covers the antenna element section 20 and the like. The housing 5 is fastened to the base 50 by fasteners such as screws. The antenna element section 20, the mounting bracket 30, the substrate section 45, and the like are housed in a receiving space, which is an area enclosed by the housing 5 and the base 50. However, part or all of the antenna element section 20 may be located within the outer cover 3 and outside the housing 5. (Pad 7)

[0015] Pad 7 is a contoured, elastic component made of elastomer, rubber, or the like. Pad 7 is fitted into base 50. Pad 7 is clamped between a lower edge region of housing 5 and base 50. Pad 7 prevents water from entering the receiving space enclosed by housing 5 and base 50. Pad 7 is a component that is independent of an outer circumferential pad provided between the outer cover 3 and the roof of the vehicle. (Antenna element section 20)

[0016] The antenna element section 20 forms an antenna element. The antenna element section 20 of the first embodiment comprises a first antenna 21, a second antenna 22, a third antenna 23 and a fourth antenna 24.

[0017] The first antenna 21 to the fourth antenna 24 of the first embodiment correspond to different frequency bands. A radio system of radio waves in which at least one transmission and reception is carried out via the first antenna 21, a radio system of radio waves in which at least one transmission and reception is carried out via the second antenna 22, a radio system of radio waves in which at least one transmission and reception is carried out via the third antenna 23, and a radio system of radio waves in which at least one transmission and reception is carried out via the fourth antenna 24 are distinct from one another. However, at least two of the first antenna 21 to the fourth antenna 24 can be configured to correspond to the same frequency band.

[0018] In the first embodiment, the first antenna 21 is a telephone antenna and corresponds to radio waves in frequency bands from 0.5 to 5 GHz. The second antenna 22 is an AM / FM radio antenna and corresponds to radio waves in frequency bands from 70 to 110 MHz. The third antenna 23 is a Sirius XM (SXM) antenna and corresponds to radio waves in frequency bands from 2.3 to 2.4 GHz. The fourth antenna 24 is, for example, an antenna for a Global Navigation Satellite System (GNSS) and corresponds to radio waves in frequency bands from 1.5 to 1.6 GHz. (First Antenna 21)

[0019] As in Fig. 2, Fig. 3, Fig. 4, Fig. 5 to Fig. As shown in Figure 6 and the like, the first antenna 21 comprises a main body section 21a and a connecting section 21b. The main body section 21a and the connecting section 21b are formed in one piece. The main body section 21a has a surface perpendicular to the y-direction. The main body section 21a is held by the support 30. The connecting section 21b is formed at a lower end of the main body section 21a. The connecting section 21b is a section of the first antenna 21 that is in contact with a first substrate 45a. The main body section 21a and the connecting section 21b are formed by machining a circuit board made of tinned steel sheet, stainless steel, or the like. However, the first antenna 21 can also be realized by a substrate or the like on which a circuit pattern is formed.

[0020] A first intensification depression 211 is formed along the contour on a surface of the first antenna 21 perpendicular to the y-direction. Furthermore, a second intensification depression 212 is formed in a region encompassing one of the openings (a first opening 21a1, to be described later) located within the first intensification depression 211. The first intensification depression 211 projects to one side (e.g., the right) in the y-direction compared to the region surrounding the first intensification depression 211 on the surface of the first antenna 21 perpendicular to the y-direction. The second intensification depression 212 projects to the other side (e.g., the left) in the y-direction compared to the region surrounding the second intensification depression 212 in the first intensification depression 211.However, both the first recess 211 and the second recess 212 can have a shape that projects to one side or the other in the y-direction compared to the surface of the first antenna 21, which is perpendicular to the y-direction. Furthermore, due to an increase in plate thickness or the use of a high-strength conductive material, a recess for reinforcement may be unnecessary.

[0021] Details of the mounting structure of the first antenna 21 on the bracket 30 and details of the mounting structure of the first antenna 21 on the first substrate 45a will be described later. (Second antenna 22)

[0022] As in Fig. 2, Fig. 4, Fig. 8, Fig. As shown in Figure 9 and the like, the second antenna 22 comprises a first element 22a, a second element 22b, and a connecting section 22c. The first element 22a, the second element 22b, and the connecting section 22c are formed in one piece. The term "in one piece" also includes a form in which each of them is formed separately and joined by welding or the like. The first element 22a, the second element 22b, and the connecting section 22c are formed by machining a circuit board made of tinned steel sheet, stainless steel, or the like.

[0023] The first element 22a and the second element 22b are inclined such that their lower sections are separated and their upper sections are approaching each other when viewed from the x-direction. The first element 22a has a slightly convex shape that, viewed from the x-direction, protrudes obliquely upwards and to the right. The second element 22b has a slightly convex shape that, viewed from the x-direction, protrudes obliquely upwards and to the left. In the first embodiment, the upper surface of the first element 22a and the upper surface of the second element 22b are spaced apart from each other.

[0024] The first element 22a, for example, has a meandering shape, and a reinforcement depression 221 is formed along the meandering shape. The depression 221 projects onto the side where the second element 22b is located, compared to other areas of the first element 22a. However, the depression 221 can also project onto the side opposite the side where the second element 22b is located, compared to the other areas of the first element 22a.

[0025] The second element 22b, for example, has a meandering shape, and a reinforcement recess 222 is formed along the meandering shape. The recess 222 projects onto the side on which the first element 22a is located, compared to other areas of the second element 22b. However, the recess 222 may project onto a side opposite the side on which the first element 22a is located, compared to other areas of the second element 22b. Furthermore, the recess 221 of the first element 22a and the recess 222 of the second element 22b may be unnecessary due to an increase in plate thickness, the use of a high-strength conductive material, or the like.

[0026] The forms of the first element 22a and the second element 22b are not limited to the meander shape.

[0027] The first element 22a and the second element 22b are connected to each other via the connecting section 22c. A connecting piece 223 is formed on the connecting section 22c, extending downwards in the z-direction. The second antenna 22 and a second substrate 45b are electrically connected to each other via the connecting piece 223.

[0028] The first element 22a is arranged on a right-hand side section of the bracket 30. The second element 22b is arranged on a left-hand side section of the bracket 30. The connecting section 22c is located above a main retaining part 31 of the bracket 30 between the first element 22a and the second element 22b. The first element 22a and the second element 22b clamp the first antenna 21 in the y-direction. Therefore, the second antenna 22 clamps at least a portion of the first antenna 21 and a portion of the bracket 30 that holds at least the first antenna 21 in a horizontal direction. Details of the mounting structure of the second antenna 22 to the bracket 30 are described later. (Third Antenna 23)

[0029] As in Fig. As shown in Figure 2 and the like, the third antenna 23 is arranged in the x-direction in front of the first antenna 21. The third antenna 23 is attached to the first substrate 45a. In the third antenna 23, a radiating element is formed by a conductor pattern provided on a dielectric. A parasitic element 231 is arranged on an upper section of the third antenna 23 such that it is spaced apart from the radiating element of the third antenna 23. The parasitic element 231 is attached to an inner wall of the housing 5. The parasitic element 231 can be arranged separately from the third antenna 23 by means of a separate holder or the like. (Fourth Antenna 24)

[0030] As in Fig. As shown in Figure 2 and the like, the fourth antenna 24 is arranged in front of the first antenna 21 in the x-direction and behind the third antenna 23 in the x-direction. The fourth antenna 24 is attached to the first substrate 45a. In the fourth antenna 24, a radiating element is formed by a conductor pattern provided on a dielectric. (Bracket 30)

[0031] As in Fig. 2, Fig. 3, Fig. 4, Fig. 5 to Fig. As shown in Figure 6 and the like, the mount 30 is made of a synthetic resin and comprises the main mounting part 31 and leg sections 33. The mount 30 is a component that is independent of the substrate section 45. The main mounting part 31 of the mount 30 holds the first antenna 21, the second antenna 22, the second substrate 45b, and the connecting fitting 45c. The leg sections 33 of the mount 30 extend from a lower section of the main mounting part 31, one on each side in the y-direction. As shown in Fig. 10 and Fig. As shown in Figure 11, the first substrate 45a is arranged between the two leg sections 33. The leg sections 33 of the bracket 30 are fastened to the base 50 by fasteners such as screws. In the first embodiment, the left and right leg sections 33 are positioned offset from each other in the x-direction. Accordingly, since the leg section 33 can be arranged in a forward-backward direction, the bracket 30 can be stably fastened. However, the leg sections 33 can also be arranged symmetrically with respect to the main support part 31. Details of a structure for holding the first antenna 21 and the like in the main support part 31 of the bracket 30 are described later. (Substrate section 45)

[0032] As in Fig. As shown in Figure 2 and the like, the substrate section 45 comprises the first substrate 45a, the second substrate 45b and the connecting fitting 45c. (First substrate 45a)

[0033] As in Fig. 2 and Fig. As shown in Figure 6, the first substrate 45a has surfaces that are perpendicular to the z-direction. Among the surfaces of the first substrate 45a that are perpendicular to the z-direction, one surface (a top surface) is defined as the first surface and the other surface (a bottom surface) as the second surface. A circuit belonging to at least one of the first antennas 21 and the second antenna 22 is mounted on the first substrate 45a. In the first embodiment, circuits belonging to the first antenna 21, the second antenna 22, the third antenna 23, and the fourth antenna 24 are mounted. The first antenna 21, the third antenna 23, the fourth antenna 24, and the second substrate 45b are attached to the first substrate 45a. The first substrate 45a is attached to the base 50. In the first embodiment, the first substrate 45a is attached to the base 50 by screws.Alternatively, the first substrate 45a can be attached to the base 50 by another fastening method such as gluing or snap-fit ​​connection. Furthermore, the first embodiment describes an example in which the first substrate 45a is realized by a single substrate; however, the first substrate 45a can be realized by a plurality of substrates.

[0034] A first connection area 451, which is an area on the top side of the first substrate 45a opposite the connection section 21b of the first antenna 21, is preferably subjected to a surface treatment such as solder tinning. A second connection area 452, which is an area on the top side of the first substrate 45a opposite a lower end section of the connection fitting 45c, is preferably subjected to a surface treatment such as solder tinning. (Second substrate 45b)

[0035] As in Fig. 2, Fig. 3, Fig. 4 to Fig. As shown in Figure 5, the second substrate 45b has a surface perpendicular to the y-direction. The circuit and a coil (not shown), belonging to the second antenna 22, are mounted on the second substrate 45b. The second substrate 45b is attached to the holder 30 by, for example, a sliding fastening, press fit, or the like. The first embodiment describes an example in which the second substrate 45b is realized by a single substrate; however, the second substrate 45b can be realized by a plurality of substrates. (Connecting fitting 45c)

[0036] As in Fig. 2, Fig. 3, Fig. 4 to Fig. As shown in Figure 5 and the like, the connecting fitting 45c is a component that electrically connects the first substrate 45a to the second substrate 45b. The connecting fitting 45c is attached to the holder 30 by, for example, a sliding fastening, soldering, or the like. (Base 50)

[0037] As in Fig. As shown in Figure 2 and the like, the base 50 is an antenna base. The base 50 is made of metal and serves as at least one ground plate for the antenna element that forms the antenna element section 20. However, the base 50 can be a resin base partially made of metal, or a resin base on which a circuit pattern is formed. A metal plate may be mounted on the resin base. The base 50 holds the pad 7, the mount 30, and the first substrate 45a. The base 50 is attached to the roof of the vehicle by means of a fastening element (not shown), such as a claw-type washer. (Mounting structure of the first antenna 21, the second antenna 22 and the bracket 30)

[0038] The mounting structure of the first antenna 21, the second antenna 22 and the bracket 30 will now be described in detail. (Components related to the attachment of the first antenna 21 to the bracket 30)

[0039] As in Fig. 3, Fig. 4, Fig. 5 to Fig. As shown in Figure 6, four openings (first to fourth openings 21a1 to 21a4) are formed in the main body section 21a of the first antenna 21.

[0040] The holder 30 has, as its first section, which holds both the first antenna 21 and the second antenna 22, a region comprising a first hook section 311 and a first claw section 321, and a region comprising a second claw section 322 and a first projection 331. The holder 30 has, as its second section, which holds at least one of the first antenna 21 and the second antenna 22, the other of the regions comprising the first hook section 311 and the first claw section 321, and the region comprising the second claw section 322 and the first projection 331. In the first embodiment, the region comprising the first hook section 311 and the first claw section 321 penetrates the first opening 21a1, which is one of the four openings of the first antenna 21. The area encompassing the second claw section 322 and the first projection 331 penetrates the second opening 21a2, which is one of the four openings of the first antenna 21.

[0041] The first opening 21a1 is a quadrilateral opening formed in the x-direction of the main body section 21a of the first antenna 21. The quadrilateral shape of the first opening 21a1 is a rectangle where one side in the z-direction is longer than one side in the x-direction. The first hook section 311, which is one of the components for holding the first antenna 21, and the first claw section 321, which is one of the components for holding the second antenna 22, penetrate through the first opening 21a1. The first opening 21a1 is formed in a boundary region between the first recess 211 and the second recess 212. A tip section of the first hook section 311 is in contact with a region of the second recess 212 located in the x-direction of a boundary region of the first opening 21a1. Here, the rectangle is not limited to a perfect rectangle and can have a shape with rounded corners.It will be used in the same sense in the following.

[0042] The second opening 21a2 is a rectangular opening located behind the first opening 21a1 in the x-direction of the main body section 21a of the first antenna 21. The rectangular shape of the second opening 21a2 is such that one side in the z-direction is longer than one side in the x-direction. The second claw section 322, which is one of the components for holding the second antenna 22, and the first projection 331, which is one of the components for holding the first antenna 21, extend through the second opening 21a2. The second opening 21a2 is formed in the first recess 211. A rear portion of the second opening 21a2 in the x-direction is in contact with a rear portion of the first projection 331 in the x-direction.A gap is formed in at least one of an upper region of the second opening 21a2 in the z-direction and an upper region of the first projection 331 in the z-direction and a lower region of the second opening 21a2 in the z-direction and a lower region of the first projection 331 in the z-direction.

[0043] A third opening 21a3 is an oval opening formed below the second opening 21a2 in the z-direction of the main body section 21a of the first antenna 21. The oval shape of the third opening 21a3 is a rounded rectangle where the width in the z-direction is greater than the width in the x-direction. The second projection 332, which is one of the components for holding the first antenna 21, extends through the third opening 21a3. The third opening 21a3 is formed in the first recess 211. A rear region of the third opening 21a3 in the x-direction is in contact with a rear region of the second projection 332 in the x-direction, and a front region of the third opening 21a3 in the x-direction is in contact with a front region of the second projection 332 in the x-direction.A gap is formed in at least one of an upper region of the third opening 21a3 in the z-direction and an upper region of the second projection 332 in the z-direction and a lower region of the third opening 21a3 in the z-direction and a lower region of the second projection 332 in the z-direction.

[0044] A tip section of the second hook section 312 is in contact with a rear area of ​​the main body section 21a of the first antenna 21 in the x-direction.

[0045] When the first projection 331 is inserted into the second opening 21a2 and the second projection 332 is inserted into the third opening 21a3, the movement of the first antenna 21 forward in the x-direction and to the left in the y-direction is restricted. The tip section of the first hook section 311 and the tip section of the second hook section 312 come into contact with the first antenna 21, thereby restricting the movement of the first antenna 21 backward in the x-direction and to the right in the y-direction. However, the movement of the first antenna 21 in the z-direction is not restricted.

[0046] A fourth opening 21a4 is formed below the third opening 21a3 in the z-direction of the main body section 21a of the first antenna 21. The fourth opening 21a4 is a rectangular opening located in a region closer to the first substrate 45a than the region of the first antenna 21 held by the support 30. The rectangular shape of the fourth opening 21a4 is such that one side in the x-direction is longer than one side in the z-direction. The fourth opening 21a4 is located outside the first recess 211 and near the connecting section 21b. The fourth opening 21a4 is used to prevent heat from the connecting section 21b from being transferred to the main body section 21a of the first antenna 21 during soldering. Preferably, the fourth opening 21a4 is located above a first region 21b1 in the z-direction, which will be described later.By forming the fourth opening 21a4 as a rectangle with a long side in the x-direction, it is possible to prevent heat from being transferred more strongly to the main body section 21a than, for example, with a rectangle with a long side in the z-direction. (Components related to the attachment of the first antenna 21 to the first substrate 45a)

[0047] As in Fig. 6, Fig. As shown in Figure 7 and the like, the connecting section 21b of the first antenna 21 is arranged at a lower end section of the first antenna 21 and comprises the first area 21b1, a second area 21b2 and a third area 21b3.

[0048] The first region 21b1 is an area that is electrically connected to the first connection region 451 of the first substrate 45a by means of an joining connection. At least a portion of the first region 21b1 has a surface parallel to the first substrate 45a. In the first embodiment, the joining connection is made by soldering; however, the electrical connection can be established by means of an adhesive such as a conductive adhesive or a conductive tape, or by means of another joining method. The first region 21b1 is arranged in a positional relationship in which it is clamped between the first substrate 45a and the fourth opening 21a4. The width of the first region 21b1 in the x-direction is smaller than the width of the fourth opening 21a4 in the x-direction. The first region 21b1 does not penetrate the first substrate 45a and is soldered to a surface (top side) of the first substrate 45a that faces the first antenna 21.In the first embodiment, the first region 21b1 is bent to the right in the y-direction. However, the bending direction is not restricted. Furthermore, the term "parallel" is not limited to a state of complete parallelism, but rather denotes a state in which a surface faces the first substrate 45a. It will be used in the same sense in the following.

[0049] The second region 21b2 and the third region 21b3 have surfaces perpendicular to the y-direction and are longer in the z-direction than the first region 21b1. As in Fig. As shown in Figure 7, in a state prior to soldering the first antenna 21, the first region 21b1 and the top surface of the first substrate 45a are spaced apart, and a gap d1 exists between the first region 21b1 and the first substrate 45a. The second region 21b2 and the third region 21b3 have essentially the same length in the z-direction. The second region 21b2 and the third region 21b3 clamp the first region 21b1 in the x-direction. The second region 21b2 is located in front of the first region 21b1 in the x-direction, and the third region 21b3 is located behind the first region 21b1 in the x-direction.

[0050] The gap d1 is provided to reliably bring the second region 21b2 and the third region 21b3 of the connecting section 21b into contact with the first substrate 45a. Soldering can be performed without the gap d1. However, if the gap d1 is omitted, during the fabrication of the first antenna 21, the first region 21b1 may protrude below the second region 21b2 and the third region 21b3 due to tolerance variations in the z-direction, making precise positioning of the first antenna 21 difficult. By providing the gap d1, the first antenna 21 can be positioned precisely, even considering manufacturing tolerances. Therefore, variations in the antenna characteristics can be prevented.

[0051] By clamping the first region 21b1 between the second region 21b2 and the third region 21b3 in the x-direction, the first region 21b1 can be positioned more accurately than if it were not clamped between the second region 21b2 and the third region 21b3. In particular, leveling can be easily performed using the second region 21b2 and the third region 21b3.

[0052] The surface of the first area 21b1, which runs parallel to the first substrate 45a, is curved and extends, compared to the surface of the first antenna 21 perpendicular to the y-direction, to a side opposite the side on which the support 30 is located, that is, to the right side in the y-direction. This extension to the side opposite the support 30 facilitates soldering and visual inspection, thus offering the advantage of high operational efficiency. (Components related to the attachment of the second antenna 22 to the bracket 30)

[0053] As in Fig. 8 and Fig. As shown in Figure 9, the first element 22a of the second antenna 22 is provided with a first receiving section 22a1 up to a fourth receiving section 22a4. The second element 22b of the second antenna 22 is provided with a fifth receiving section 22b1 up to an eighth receiving section 22b4. The connecting section 22c of the second antenna 22 is provided with a ninth receiving section 22c1.

[0054] The number of receiving sections formed on the first element 22a of the second antenna 22 is not limited to four. The number of receiving sections formed on the second element 22b of the second antenna 22 is not limited to four. The number of receiving sections formed on the connecting section 22c of the second antenna 22 is not limited to one.

[0055] The first recording section 22a1, the second recording section 22a2, the third recording section 22a3, and the fourth recording section 22a4 are arranged from the front to the back in the x-direction. The fourth recording section 22a4 is located below the third recording section 22a3 in the z-direction.

[0056] Each of the first receiving section 22a1 to the fourth receiving section 22a4 is realized by an opening, a cutout, a projection, or the like. In the first embodiment, an example is described in which the second receiving section 22a2 is realized by an opening that penetrates a surface of the first element 22a, and the first receiving section 22a1, the third receiving section 22a3, and the fourth receiving section 22a4 are realized by substantially L-shaped projections extending from the surface of the first element 22a.

[0057] The fifth recording section 22b1, the sixth recording section 22b2, the seventh recording section 22b3, and the eighth recording section 22b4 are arranged from front to back in the x-direction. The eighth recording section 22b4 is located below the seventh recording section 22b3 in the z-direction.

[0058] Each of the fifth receiving section 22b1 to the eighth receiving section 22b4 is realized by an opening, a cutout, a projection, or the like. In the first embodiment, an example is described in which the sixth receiving section 22b2 is realized by an opening that penetrates a surface of the second element 22b, and the fifth receiving section 22b1, the seventh receiving section 22b3, and the eighth receiving section 22b4 are realized by substantially L-shaped projections extending from the surface of the second element 22b.

[0059] The ninth receiving section 22c1 is realized by an opening, a cutout, and a projection. In the first embodiment, an example is described in which the ninth receiving section 22c1 is realized by an opening that penetrates a surface of the connecting section 22c. (Components related to the attachment of the first antenna 21 and the second antenna 22 in the holder 30)

[0060] As in Fig. 3, Fig. 4 to Fig. As shown in Figure 5, the main holding part 31 of the holder 30 is provided with a hook section, a claw section, and a projection. The hook section comprises the first hook section 311 and the second hook section 312. The claw section comprises the first claw section 321 up to a ninth claw section 329. The projection comprises the first projection 331 and the second projection 332.

[0061] The hook section (the first hook section 311 and the second hook section 312) is used to hold the first antenna 21. The claw sections (the first claw section 321 to the ninth claw section 329) are used to hold the second antenna 22. The projections (the first projection 331 and the second projection 332) are used to hold the first antenna 21.

[0062] The first hook section 311 is formed on the right side of the retaining part 31 of the bracket 30 in the y-direction. The tip section of the first hook section 311 faces the retaining part 31 of the bracket 30 in the y-direction. The retaining part 31 of the bracket 30 and the tip section of the first hook section 311 clamp a region of the second recess 212 of the first antenna 21 on the front of the edge region of the first opening 21a1 in the x-direction.

[0063] The second hook section 312 is formed on the right side of the main holding part 31 of the bracket 30 in the y-direction and behind the first hook section 311 in the x-direction. The tip section of the second hook section 312 faces the main holding part 31 of the bracket 30 in the y-direction. The main holding part 31 of the bracket 30 and the tip section of the second hook section 312 clamp the rear region of the main body section 21a of the first antenna 21 in the x-direction.

[0064] The first claw section 321 to the fourth claw section 324 are formed on the right side of the main holding part 31 of the bracket 30 in the y-direction. The first claw section 321 is located in a forward position in the x-direction and below the first hook section 311 in the z-direction and extends through the first opening 21a1 of the first antenna 21. The first claw section 321 is hooked onto the first receiving section 22a1 of the first element 22a. The second claw section 322 is located above the first projection 331 in the z-direction and extends through the second opening 21a2 of the first antenna 21. The second claw section 322 is hooked onto the second receiving section 22a2 of the first element 22a. The third claw section 323 is located behind the second claw section 322 in the x-direction and is hooked onto the third receiving section 22a3 of the first element 22a.The fourth claw section 324 is located below the third claw section 323 in the z-direction and is hooked onto the fourth receiving section 22a4 of the first element 22a.

[0065] In the first embodiment, the first hook section 311 projects from the rear of the first opening 21a1 in the x-direction and extends forward in the x-direction, and the first claw section 321 projects from the front of the first opening 21a1 in the x-direction and extends rearward in the x-direction. This contributes to the alignment in the x-direction when the first antenna 21 is fitted into the holder 30.

[0066] The fifth claw section 325 to the eighth claw section 328 are formed on the left side of the main retaining part 31 of the bracket 30 in the y-direction. The fifth claw section 325 is located on the front in the x-direction and is hooked onto the fifth receiving section 22b1 of the second element 22b. The sixth claw section 326 is located behind the fifth claw section 325 in the x-direction and is hooked onto the sixth receiving section 22b2 of the second element 22b. The seventh claw section 327 is located behind the sixth claw section 326 in the x-direction and is hooked onto the seventh receiving section 22b3 of the second element 22b. The eighth claw section 328 is located below the seventh claw section 327 in the z-direction and is hooked onto the eighth receiving section 22b4 of the second element 22b.

[0067] The first claw section 321 comprises a first arm extending to the right in the y-direction from the main holding part 31, and a second arm extending posteriorly in the x-direction from a tip section of the first arm. A claw of the first claw section 321, to which the first receiving section 22a1 is hooked, is formed at a posterior tip section of the second arm in the x-direction. The fifth claw section 325 comprises a third arm extending to the left in the y-direction from the main holding part 31, and a fourth arm extending forward in the x-direction from a tip section of the third arm. A claw of the fifth claw section 325, to which the fifth receiving section 22b1 is hooked, is formed at an anterior tip section of the fourth arm in the x-direction.The first arm of the first claw section 321 and the third arm of the fifth claw section 325 are arranged in a straight line when viewed from above in the z-direction, and the first claw section 321 and the fifth claw section 325 form an S-shape when viewed from above in the z-direction. Here, the S-shape also includes a form in which linear end sections are bent in different directions.

[0068] Accordingly, the holder 30 can be easily removed from a mold during its manufacture. The fifth receiving section 22b1 can be positioned near a front end section of the second element 22b in the x-direction. Furthermore, the first claw section 321 can be easily guided through the first opening 21a1 of the first antenna 21.

[0069] The ninth claw section 329 is formed on a rear side in the x-direction and on an upper side in the z-direction of the holding main part 31 of the bracket 30. The ninth claw section 329 is hooked onto the ninth receiving section 22c1 of the connecting section 22c.

[0070] The first projection 331 and the second projection 332 are formed on the right side in the y-direction of the main holding part 31 of the bracket 30. The first projection 331 is located behind the first hook section 311 in the x-direction and extends through the second opening 21a2 of the first antenna 21. The second projection 332 is located below the first projection 331 in the z-direction and extends through the third opening 21a3 of the first antenna 21. (Assembly procedure)

[0071] A method for mounting the antenna device 1 is now described. The third antenna 23 and the fourth antenna 24 are pre-attached to the first substrate 45a. The parasitic element 231 is attached to the housing 5. The pad 7 and the first substrate 45a are attached to the base 50. (First antenna mounting step)

[0072] As in Fig. As shown in Figure 5, the first antenna 21 is attached to the bracket 30. More precisely, the first hook section 311 and the first claw section 321 are inserted into the first opening 21a1, the second claw section 322 and the first projection 331 are inserted into the second opening 21a2, and the second projection 332 is inserted into the third opening 21a3. The retaining main part 31 and the tip section of the first hook section 311 clamp a region of the second recess 212 in the x-direction anterior to the edge region of the first opening 21a1 in the x-direction, and the retaining main part 31 and the tip section of the second hook section 312 clamp a rear region of the main body section 21a of the first antenna 21 in the x-direction. By clamping, the first antenna 21 is held by the bracket 30 in a state in which it is movable in the z-direction.

[0073] The second substrate 45b is attached to the holder 30. More precisely, the second substrate 45b is attached to the main holder part 31 by means of a sliding fastening and press fit. The connecting fitting 45c is attached to the holder 30. More precisely, the connecting fitting 45c is attached to the main holder part 31 by means of a sliding fastening and soldering. Accordingly, the second substrate 45b and the connecting fitting 45c are electrically connected to each other. (Second antenna mounting step)

[0074] Then, as in Fig. As shown in Figure 9 and the like, the second antenna 22 is attached to the bracket 30. More precisely, the first claw section 321 is hooked onto the first receiving section 22a1, the second claw section 322 is hooked onto the second receiving section 22a2, the third claw section 323 is hooked onto the third receiving section 22a3, and the fourth claw section 324 is hooked onto the fourth receiving section 22a4. The fifth claw section 325 is hooked onto the fifth receiving section 22b1, the sixth claw section 326 is hooked onto the sixth receiving section 22b2, the seventh claw section 327 is hooked onto the seventh receiving section 22b3, and the eighth claw section 328 is hooked onto the eighth receiving section 22b4. The ninth claw section 329 is hooked onto the ninth receiving section 22c1.

[0075] By hooking the second antenna 22 into place, it is held by the bracket 30. This means that the multiple antennas (the first antenna 21 and the second antenna 22), corresponding to different frequency bands, are held by a bracket 30. Furthermore, the connecting piece 223 of the connecting section 22c and the second substrate 45b come into contact with each other, and the second antenna 22 and the second substrate 45b are electrically connected. (Bracket mounting step)

[0076] Then, as in Fig. 10 and Fig. As shown in Figure 11, the bracket 30 is attached to the base 50. More precisely, the leg section 33 is attached to the base 50 by fitting and screwing it in place. Accordingly, the first section 21b1 of the connecting section 21b of the first antenna 21 is arranged such that it is opposite the first connecting section 451 of the first substrate 45a in the z-direction, and the lower end section of the connecting fitting 45c is arranged such that it is opposite the second connecting section 452 of the first substrate 45a in the z-direction. (Movement step and connecting step)

[0077] A top surface of the connection section 21b of the first antenna 21 in the first region 21b1 is pressed downwards in the z-direction using a soldering iron (movement step). This means the first antenna 21 is moved in a direction approaching the top surface of the first substrate 45a. As a result of this pressure, the first antenna 21 moves downwards in the z-direction, and the second region 21b2 and the third region 21b3, which are regions of the connection section 21b that differ from the first region 21b1, come into contact with the first substrate 45a. The gap d1 is formed between the first region 21b1 and the first connection region 451. The gap d1 is filled with solder and the first area 21b1 of the connection section 21b of the first antenna 21 and the first connection area 451 of the first substrate 45a are connected by soldering (connection step).Accordingly, the first antenna 21 and the first substrate 45a are electrically connected.

[0078] The lower end section of the connecting fitting 45c and the second connecting area 452 of the first substrate 45a are joined together by soldering. Accordingly, the second antenna 22 and the first substrate 45a are electrically connected. (Effect of holding a plurality of antennas corresponding to different frequency bands by means of a holder 30)

[0079] The bracket 30 holds at least two antennas (the first antenna 21 and the second antenna 22) corresponding to different frequency bands. Compared to a configuration where the two antennas are held by separate mounting components, it is possible to simplify the structure, reduce the weight, shorten the assembly time, and decrease the number of components. Furthermore, the variation in the positions of the two antennas can be reduced. (Effect of sharing an opening of the first antenna 21 to hold the first antenna 21 and the second antenna 22)

[0080] The structure can be simplified compared to a configuration where an opening for holding the first antenna 21 and an opening for holding the second antenna 22 are provided separately in the first antenna 21. Furthermore, the degree of freedom in the design of the first antenna 21 can be increased.

[0081] (Effect of the bracket 30, which penetrates two openings of the first antenna 21) Since the majority of the retaining components (the first hook section 311 and the like) of the bracket 30 pass through the openings (the first opening 21a1 and the second opening 21a2) of the first antenna 21, the bracket 30 and the first antenna 21 are less easily displaced relative to each other.

[0082] (Effect of the holder 30, which holds the second substrate 45b and the like) The structure can be simplified compared to a configuration in which the second substrate 45b and the like are held by a different holding component. (Effect of the positional relationship in which the first antenna 21 and the second antenna 22 overlap when viewed from the y-direction)

[0083] Compared to a configuration where the first antenna 21 and the second antenna 22 do not overlap when viewed from the y-direction, the dimension of the antenna device 1 in the horizontal direction (the x-direction, etc.) can be reduced. Accordingly, the size of the antenna device can be reduced. (Effect of joining the first area 21b1 of the first antenna 21 to the first surface (top side) on one of the sides facing the first substrate 45a)

[0084] The fastening can be carried out on the first substrate 45a solely by visual recognition from the side on which the first surface is located; one assembly step can be simplified and the assembly work capability is improved. (Effect of joining by using a surface of the first antenna 21 that runs parallel to the first surface of the first substrate 45a)

[0085] The first antenna 21 and the first substrate 45a can be connected in a state in which the joining area is large. (Effect of providing the second area 21b2 and the third area 21b3 in a positional relationship of clamping the first area 21b1)

[0086] Compared with a configuration where the second area 21b2 and the third area 21b3 are not provided, the alignment between the first area 21b1 and the first surface of the first substrate 45a is facilitated. (Effect of the non-contact of the first region 21b1 with the first surface of the first substrate 45a)

[0087] When the first region 21b1 is pressed closer to the first substrate 45a, the second region 21b2 and the third region 21b3 come into contact with the first substrate 45a. Therefore, a constant distance is maintained between the first region 21b1 and the first substrate 45a, and the positional relationship between the first antenna 21 and the first substrate 45a is less prone to variation. By providing the gap d1, the first antenna 21 can also be positioned precisely, taking manufacturing tolerances into account, and variations in the antenna characteristics can be prevented. By clamping the first area 21b1 between the second area 21b2 and the third area 21b3 in the x-direction, it is possible to position the first area 21b1 more accurately and to level it easily, compared to a case in which the first area 21b1 is not clamped between the second area 21b2 and the third area 21b3. (Effect of the bracket 30, which holds the first antenna 21 in a state in which the first antenna 21 is movable in the z-direction)

[0088] If the first antenna 21, attached to the holder 30, is placed on the first substrate 45a in a state where it is immobile in the z-direction, the distance to the first substrate 45a may not be adjustable and a connection may not be possible. However, when the first antenna 21 and the first substrate 45a are joined, the positional relationship between the first antenna 21 and the first substrate 45a can be adjusted by holding the first antenna 21 in the holder 30 in a state where it is movable in the z-direction. (Effect of providing the fourth opening 21a4 near the connecting section 21b)

[0089] Heat applied to the first area 21b1 during joining can be prevented from being dissipated into other areas of the first antenna 21. (Effect of holding by hooking and the like)

[0090] The first antenna 21 is attached to the bracket 30 by means of a hook or similar device, and the second antenna 22 is also attached to the bracket 30 by means of a hook or similar device. Compared to a configuration where the attachment is made using a fastener (an additional component for fixing) such as screws, it is possible to simplify the structure, reduce the weight, shorten the assembly time, and decrease the number of components. Furthermore, since the metallic fastener is not used, the adverse effect on the antenna characteristics due to the introduction of a metal component is reduced, and deformation of the elements due to the fastening is prevented, thus reducing the variation in antenna performance. (Application example in which the first area 21b1 of the connecting section 21b is simplified)

[0091] In the first embodiment, an example has been described in which the first region 21b1 has a surface that runs parallel to the first substrate 45a (the surface perpendicular to the z-direction). However, the first region 21b1 can also have a surface perpendicular to the horizontal direction, such as the y-direction, without a surface that runs parallel to the first substrate 45a. In this case, a lower end section of the surface perpendicular to the horizontal direction of the first region 21b1 and the top surface (the first connection region 451) of the first substrate 45a are soldered together. In this case, since it is not necessary to bend the connection section 21b when manufacturing the first antenna 21, the number of manufacturing steps for the first antenna 21 can be reduced. (Application example of the arrangement of the first area 21b1)

[0092] In the first embodiment, an example has been described in which the second region 21b2 and the third region 21b3 are arranged in a clamping relationship with the first region 21b1. However, one of the second region 21b2 and the third region 21b3 can be arranged differently. Alternatively, the first region 21b1, the second region 21b2, and the third region 21b3 can be arranged in that order in the x-direction. In this case, the degree of freedom for the arrangement of the connecting section 21b is increased. (Application example of an object to which the antenna device 1 is attached)

[0093] In the first embodiment, the antenna device 1 is described as being attached to the upper surface of the vehicle's roof. However, the antenna device 1 can be mounted on a part of the vehicle other than the roof, such as a frame structure or a spoiler. Furthermore, the antenna device 1 can be something other than a vehicle-mounted antenna device and can, for example, be an antenna device mounted on a mobile body (an antenna device for a mobile body) other than a vehicle-mounted mobile body, such as construction equipment, agricultural machinery, a robot, or a drone. (Application example of the outer cover shape 3)

[0094] In the first embodiment, the outer cover 3 has a shark fin shape. However, the shape of the outer cover 3 is not limited to the shark fin shape and can have another shape, such as a cuboid shape. (Application example of antenna element section 20)

[0095] In the first embodiment, the first antenna 21 is a telephone antenna, the second antenna 22 is an antenna for AM / FM broadcasting, the third antenna 23 is an antenna for SXM, and the fourth antenna 24 is an antenna for GNSS. However, each antenna is not limited to the example of the first embodiment. The first antenna 21 can be an antenna corresponding to linear polarization, such as a telematics antenna and a mobile communications antenna. Examples include ITS, DTV, V2X, MIMO, Wi-Fi (registered trademark), Bluetooth (registered trademark), keyless entry, and smart entry. The second antenna 22 can be an antenna corresponding to linear polarization. Examples include an antenna for DAB. The third antenna 23 and the fourth antenna 24 can be antennas corresponding to circular polarization and serve as satellite antennas. (Application example of an object to which the bracket 30 is attached)

[0096] In the first embodiment, an example has been described in which the holder 30 is attached to the base 50. However, the holder 30 can also be attached to the first substrate 45a. (Application example of bracket 30)

[0097] In the first embodiment, an example has been described in which the bracket 30 and the housing 5 are formed separately, and the bracket 30, which holds the first antenna 21 and the like, is covered by the housing 5. However, the bracket 30 can also perform the function of the housing 5, and the bracket 30 can hold the first antenna 21 and the like either externally or internally. If the bracket 30 holds the first antenna 21 and the like externally, the antenna can be held in a higher position, and the antenna characteristics can be improved compared to a case in which the bracket 30 holds the first antenna 21 and the like internally. The bracket 30 and the substrate section 45 can be made of the same material, and part of the bracket 30 can perform the function of the substrate section 45. In this case, the degrees of freedom for the arrangement of the substrate section 45 are increased. (Application example of fasteners)

[0098] In the first embodiment, an example has been described in which the first antenna 21 is held by clamping using the first hook section 311 and the like, and the second antenna 22 is held by hooking using the first claw section 321 and the like. However, the first antenna 21 can be held not only by clamping, but also by hooking, engaging, gluing, and welding. Furthermore, the second antenna 22 can be held not only by hooking, but also by clamping, engaging, gluing, or welding. The first antenna 21 can be held by clamping using a component that differs from the hook section. The second antenna 22 can be held by hooking using a component that differs from the claw section. (Application example of the shape of the first opening 21a1 and the like)

[0099] In the first embodiment, an example has been described in which the first opening 21a1, the second opening 21a2, and the fourth opening 21a4 have a rectangular shape, and an example in which the third opening 21a3 has a rounded rectangular shape. However, the shapes of the openings are not limited to this embodiment. The shape can be a square, a rectangle, a trapezoid, a parallelogram, a rhombus, a regular polygon, an elongated polygon, a circle, an ellipse, and the like. The shapes of the first opening 21a1 to the third opening 21a3 can be determined according to the shape of the hook section, the claw section, or the projection of the holder 30. In the first embodiment, an example has been described in which four openings of the first antenna 21 are provided.However, the number of openings can be three or fewer or five or more and can be freely determined as long as the first antenna 21 can be held by the bracket 30. (Application example 1 of the form of the connecting section 21b and second embodiment)

[0100] In the first embodiment, an example has been described in which the second region 21b2 and the third region 21b3, which are long in the z-direction, are arranged in a positional relationship of clamping the first region 21b1, and the gap d1 is formed between the first substrate 45a and the first region 21b1. However, as in Fig. As shown in Figure 12, there are no height differences in the z-direction between the first region 21b1, the second region 21b2, and the third region 21b3. In this case, the undersides of the first region 21b1, the second region 21b2, and the third region 21b3 come into contact with the first substrate 45a simultaneously when the first region 21b1 is pressed downwards in the z-direction. In this case, the connecting section 21b can be formed with a simple structure. (Application example 2 of the form of connecting section 21b and third embodiment)

[0101] In the first embodiment, an example has been described in which the first region 21b1 of the connecting section 21b of the first antenna 21 is located above the second region 21b2 and the third region 21b3 in the z-direction. In this case, a lower end of the first region 21b1 is located above the first connecting region 451 of the first substrate 45a in the z-direction in a state in which the second region 21b2 and the third region 21b3 are in contact with the first substrate 45a.

[0102] Furthermore, in the second embodiment, an example is described in which the lower ends of the first region 21b1 to the third region 21b3 of the connecting section 21b of the first antenna 21 are arranged at the same height. In this case, the lower end of the first region 21b1 is in contact with the first connecting section 451 of the first substrate 45a when the second region 21b2 and the third region 21b3 are in contact with the first substrate 45a.

[0103] However, as in Fig. 13, Fig. 14 to Fig. Figure 15 shows that the lower end of the first region 21b1 of the connecting section 21b of the first antenna 21 is arranged in the z-direction below the second region 21b2 and the third region 21b3 in the state in which the second region 21b2 and the third region 21b3 are in contact with the first substrate 45a. Fig. 13, Fig. 14 to Fig.15 is an area that includes the connecting section 21b and a substrate opening 451a, shown in detail, and an area around this area is not shown.

[0104] More precisely, an opening (substrate opening 451a) penetrating in the z-direction is formed in a region of the first connection area 451 of the first substrate 45a, which is opposite the first area 21b1 in the z-direction. The first area 21b1 extends downwards in the z-direction compared to the second area 21b2 and the third area 21b3.

[0105] The first region 21b1 comprises a straight section a1, a bent section a2, and a pointed section a3. The straight section a1 is a linear region extending downward in the z-direction from the main body section 21a of the first antenna 21. The bent section a2 is a folded region extending in a direction other than the downward z-direction and is a bent region located between the straight section a1 and the pointed section a3. At least a portion of the bent section a2 has a section that runs parallel to the top surface (the first surface) of the first substrate 45a. A region encompassing the portion of the bent section a2 that runs parallel to the top surface acts as a receiving area for holding an adhesive such as solder. The pointed section a3 is a linear region extending upward in the z-direction from the bent section a2.For example, the straight section a1, the bending section a2 and the tip section a3 of the first region 21b1, viewed from the x-direction, essentially form a J-shape.

[0106] It is preferred that the first region 21b1 is configured such that a portion of the straight section a1, the entire bent section a2, and the entire tip section a3 are arranged in the substrate opening 451a, in a state where the second region 21b2 and the third region 21b3 of the connecting section 21b of the first antenna 21 are in contact with the first substrate 45a. That is to say, it is preferred that the first region 21b1 is configured such that, viewed from the x-direction, the straight section a1 and the bent section a2 do not protrude from the underside (the second surface) of the first substrate 45a, the bent section a2 and the tip section a3 do not protrude from the top (the first surface) of the first substrate 45a, and a tip section of the first region 21b1 is arranged in the substrate opening 451a of the first substrate 45a.The tip section of the first region 21b1 represents a lower end section in the z-direction. For example, if the first region 21b1 is essentially J-shaped, viewed from the x-direction, the lower end of the bend section a2 corresponds to the tip section of the first region 21b1.

[0107] However, the shape of the first region 21b1, viewed from the x-direction, is not limited to the essentially J-shape and can be an essentially U-shape, an essentially L-shape, or an essentially groove-shaped form. The shape of the first region 21b1, viewed from the x-direction, can be the essentially L-shape. In this case, the tip section a3 is omitted. If the shape of the first region 21b1, viewed from the x-direction, is the essentially J-shape or the essentially U-shape, a rounded inclined region is formed on the lower side in the z-direction. Therefore, compared to a case where the first region 21b1 is formed in a shape in which the rounded inclined region is not formed, the first region 21b1 is easily inserted into the substrate opening 451a during assembly.Furthermore, even if the position into which the first area 21b1 is inserted is shifted, the position can easily be corrected to an exact position. (Omission of the movement step)

[0108] In a third embodiment, the third opening 21a3 is omitted. Therefore, the first antenna 21 is held by the mount 30 in a state in which it is immobile in the z-direction. However, in the third embodiment, the third opening 21a3 can also be provided, and the first antenna 21 can also be held by the mount 30 in a state in which it is movable in the z-direction. (Bracket mounting step)

[0109] When the bracket 30 is attached to the base 50, the second region 21b2 and the third region 21b3 are in contact with the first substrate 45a. The lower part of the straight section a1 of the first region 21b1 in the z-direction, the bent section a2, and the pointed section a3 are inserted into the substrate opening 451a of the first connection region 451 of the first substrate 45a. However, the first region 21b1 is not in contact with the first substrate 45a. (Connection step)

[0110] Using a joining agent such as solder, the upper section of the substrate opening 451a is filled with the joining agent, and the first region 21b1 of the connection section 21b of the first antenna 21 and the first connection region 451 of the first substrate 45a are connected to each other (connection step). Accordingly, the first antenna 21 and the first substrate 45a are electrically connected to each other. That is, by joining from the top (the first surface) of the first substrate 45a, the first region 21b1 is fixed in a state in which it is inserted into an opening formed in the first surface (the substrate opening 451a). (Effect of attaching the first antenna 21 to the substrate opening 451a of the first substrate 45a by joining from the top side in the z-direction)

[0111] By performing the joining from a top side (the first surface) of the first substrate 45a, it is possible, compared to a configuration where the joining is performed from a bottom side (the second surface) of the first substrate 45a, to attach the first antenna 21, the first substrate 45a and the like solely by visual recognition from above in the z-direction, thus simplifying the structure and the assembly step and improving the assembly work capability. (Effect of joining the first antenna 21 and the first substrate 45a in a state in which part of the first region 21b1 is inserted into the substrate opening 451a)

[0112] In the state where the first region 21b1 of the connection section 21b of the first antenna 21 is inserted from the top (the first surface) of the first substrate 45a into the substrate opening 451a of the first connection region 451 of the first substrate 45a, the first region 21b1 and the first substrate 45a are joined. Since the joining material, such as solder, is unlikely to protrude beyond the substrate opening 451a, it is possible to reduce the variation in antenna performance due to a difference in the amount of protruding joining material. Even if there is a variation in the size of the first region 21b1, the first antenna 21 can be attached to the first substrate 45a as long as the first antenna 21 can be inserted into the substrate opening 451a. (Effect of providing the bending section a2 of the first area 21b1)

[0113] The bending section a2 acts as a receiving area for the joining material such as solder, and the joining material such as solder is likely to be retained in the substrate opening 451a. Accordingly, it is possible to prevent the joining material such as solder from dripping off the underside (the second surface) of the first substrate 45a. (Effect that the tip section of the first region 21b1 is arranged in the substrate opening 451a of the first substrate 45a)

[0114] In contrast to a configuration where the tip section of the first region 21b1 protrudes from the underside (second surface) of the first substrate 45a, it is possible to prevent the joining material from dripping like solder from the underside (second surface) of the first substrate 45a. Furthermore, the variation in antenna performance can be reduced.

[0115] Although certain embodiments of the present invention have been described, these embodiments are presented only as examples and are not intended to limit the scope of protection of the invention. These embodiments can be realized in various other forms, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope of protection of the invention or the spirit of the invention and are contained within a scope of protection that corresponds to the invention described in the claims.

[0116] According to the present description, an antenna device is provided in accordance with the following aspects. (Aspect 1)

[0117] Aspect 1 comprises: a first antenna, a second antenna corresponding to a different frequency band than that of the first antenna, and a support that holds the first antenna and the second antenna, the support comprising a first section that holds both the first antenna and the second antenna.

[0118] Based on the above considerations, compared to a configuration where the two antennas are held by separate mounting components, it is possible to simplify the structure, reduce weight, shorten assembly time, and decrease the number of components. Furthermore, the variation in the positions of the two antennas can be reduced. (Aspect 2)

[0119] In aspect 2, the first section penetrates an opening of the first antenna.

[0120] Based on the above considerations, the structure can be simplified compared to a configuration where the first antenna has separate openings for holding the first antenna and the second antenna. Furthermore, the degree of freedom in the design of the first antenna can be increased. (Aspect 3)

[0121] In aspect 3, the bracket includes a second section designed to hold at least one of the first antenna and the second antenna, and the second section penetrates the opening.

[0122] According to the above aspect, since the majority of the mounting components of the bracket pass through the opening of the first antenna, the bracket and the first antenna are less likely to be displaced relative to each other. (Aspect 4)

[0123] Aspect 4 further comprises: a substrate section, wherein the substrate section comprises a first substrate on which at least one circuit belonging to the first antenna is mounted, and a second substrate on which at least one circuit belonging to the second antenna is mounted, and the support holds a connecting fitting connecting the first substrate to the second substrate, and at least one of the first substrate and the second substrate.

[0124] According to the above aspect, the structure can be simplified compared to a configuration where the second substrate and the like are held by a different holding component. (Aspect 5)

[0125] In aspect 5, the second antenna clamps at least part of the first antenna and an area of ​​the mount that holds at least the first antenna.

[0126] According to the above aspect, the size of the antenna device can be reduced compared to a configuration of a positional relationship where the first antenna and the second antenna do not overlap.

[0127] According to the present description, a method for mounting an antenna device is provided in accordance with the following aspect. (Aspect 6)

[0128] Aspect 6 comprises: a first antenna mounting step for attaching the first antenna to a support via at least one opening of the first antenna, a second antenna mounting step for attaching a second antenna to the support via at least the opening, a support mounting step for attaching the support to a base or a first substrate, and a connection step for electrically connecting the first antenna to the first substrate attached to the base. REFERENCE MARK LIST 1 antenna device 20 antenna element section 21 first antenna 21a Main body section 21a1 to 21a4 first opening to fourth opening 21b Connecting section 21b1 first section 21b2 second area 21b3 third area 22 second antenna 223 Connecting piece 22a first element 22b second element 22c Connection section 30 bracket 31 Main retaining part 311, 312 first hook section, second hook section 321 to 329 first claw section to ninth claw section 331 first lead 332 second lead 33 Leg section 45 Substrate section 451 first connection area 451a Substrate opening 452 second connection area 45a first substrate 45b second substrate 45c connecting fitting 50 sockets a1 straight section a2 bending section a3 Top section d1 gap formed between first area and first substrate QUOTES INCLUDED IN THE DESCRIPTION

[0000] This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature

[0000] JP 2022-152425A

[0003]

Claims

[1] Antenna device comprising: a first antenna, a second antenna, which corresponds to a different frequency band than a frequency band of the first antenna, and a bracket that holds the first antenna and the second antenna, wherein The bracket includes a first section that holds both the first antenna and the second antenna. [2] Antenna device according to claim 1, wherein the first section penetrates an opening of the first antenna. [3] Antenna device according to claim 2, wherein the bracket includes a second section that holds at least one of the first antennas and the second antenna, and the second section penetrates the opening. [4] Antenna device according to any one of claims 1 to 3, further comprising: a substrate section, wherein the substrate section comprises a first substrate on which at least one circuit belonging to the first antenna is mounted, and a second substrate on which at least one circuit belonging to the second antenna is mounted, and The bracket holds a connecting fitting that connects the first substrate to the second substrate, and at least one of the first substrate and the second substrate. [5] Antenna device according to any one of claims 1 to 4, wherein the second antenna clamps at least a part of the first antenna and a portion of the holder which holds at least the first antenna. [6] Method for mounting an antenna device, the method comprising: a first antenna mounting step to attach the first antenna to a bracket via at least one opening of the first antenna, a second antenna mounting step for attaching a second antenna to the bracket via at least the opening, a mounting step for attaching the mount to a base or a primary substrate and a connection step for electrically connecting the first antenna to the first substrate attached to the base.

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