Electronic apparatus

Abstract

To provide an electronic apparatus in which an extra length portion in a flat cable can be maintained in an appropriate route to absorb changes in route length associated with changes in rotation angle between chassis.SOLUTION: An electronic apparatus 10 includes a flat cable 28 provided across a body chassis 12 and a display chassis 14 which are connected with a hinge 16 so as to be relatively rotatable. In the body chassis 12, a route length absorbing portion 60 of the flat cable 28 forms a first extending portion 60a extending toward a rear edge 12d, a second extending portion 60c extending from the first extending portion 60a through a first curved portion 60b toward the front, and a third extending portion 60e extending from the second extending portion 60c through a second curved portion 60d toward the rear edge 12d. The second extending portion 60c is fixed between a bracket 52 and a guide main portion 50.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to an electronic device in which a first housing and a second housing are connected by a hinge so as to be rotatable relative to each other. [Background technology]

[0002] In a notebook PC, the main body housing and the display housing are connected by a hinge so that they can rotate relative to each other. Flat cables such as FPCs are highly flexible, bendable, and have a high degree of freedom in routing, and are thin, so they are sometimes used in electronic devices with flat housings such as notebook computers. Patent Document 1 discloses connecting two housings with an FPC. In this document, since the path length required for the FPC changes as the rotation angle between the two housings changes, an S-shaped extra length portion is provided in one of the housings to absorb this change. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2022-121092 A Summary of the Invention [Problem to be solved by the invention]

[0004] The S-shaped excess length absorbs changes in path length by changing the bending angle of the curved parts in multiple places. However, there is a tolerance for each of the multiple curved part shapes, and there is a concern that the expected shape of the excess length as a whole will not be maintained, resulting in a so-called ready-made product. In that case, it will be difficult to set the initial position for assembly, the degree of curvature will be severe locally, causing stress, it may come into contact with unexpected places and cause abnormal noise, or part of the FPC may protrude from the gap between the housings, requiring thorough inspection and, in some cases, reassembly.

[0005] The present invention has been made in consideration of the above-mentioned problems, and aims to provide an electronic device in which the excess length of a flat cable is maintained in an appropriate path and can absorb changes in path length that accompany changes in the rotation angle between the housings. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the object, an electronic device according to an embodiment of the present invention is an electronic device in which a first housing and a second housing are connected by a hinge so that they can rotate relative to each other, and has a flat cable that is arranged between the first housing and the second housing, and within the first housing, the flat cable forms a first extension portion toward a first edge that is the connecting edge with the second housing, a second extension portion that extends from the first extension portion toward the opposite side to the first edge via a first curved portion, and a third extension portion that extends from the second extension portion toward the first edge via the second curved portion, and the second extension portion is fixed. Effect of the Invention

[0007] According to the above aspect of the present invention, the excess length of the flat cable is maintained in an appropriate path, and a change in path length that accompanies a change in the rotation angle between the housings can be absorbed. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is a schematic plan view of an electronic device according to an embodiment viewed from above. [Diagram 2] FIG. 2 is a cross-sectional side view of a flat cable and its surroundings in an electronic device when the rotation angle between the housings is 0 degrees. [Diagram 3] FIG. 3 is a perspective view of the flat cable and its surroundings in the main body housing with the lower cover removed. [Figure 4] FIG. 4 is an exploded perspective view of the flat cable and its surroundings in the main body housing with the lower cover removed. [Diagram 5] FIG. 5 is a perspective view of the same portion as in FIG. 3 with the flat cable removed. [Figure 6] FIG. 6 is a cross-sectional side view of a flat cable and its surroundings in an electronic device when the rotation angle between the housings is 100 degrees. [Figure 7] FIG. 7 is a cross-sectional side view of a flat cable and its surroundings in an electronic device when the rotation angle between the housings is 180 degrees. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of an electronic device according to the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to these preferred embodiments.

[0010] Fig. 1 is a schematic plan view of an electronic device 10 according to an embodiment, seen from above. As shown in Fig. 1, the electronic device 10 is a clamshell-type notebook PC in which a main body housing 12 and a display housing 14 are connected by a hinge 16 so as to be relatively rotatable. The electronic device according to the present invention may be, for example, a foldable tablet PC, other than the notebook PC. Includes.

[0011] The display housing 14 is a flat box that is thinner than the main body housing 12. A display 18 is mounted on the display housing 14. The display 18 is made of, for example, an organic light emitting diode (OLED) or liquid crystal. A plurality of electronic devices 19 are mounted on the upper side of the display housing 14. The electronic devices 19 are, for example, a camera, a microphone, an infrared device, etc.

[0012] In the following, the main body housing 12 and each of the components mounted thereon will be described with reference to the posture in which the housings 12, 14 are opened at a predetermined angle as shown in FIG. 1 and the display 18 is viewed, with the front side referred to as the front, the back side referred to as the rear, the width direction referred to as the left and right, and the thickness direction referred to as the top and bottom.

[0013] The main body housing 12 is a flat box. The main body housing 12 is configured in a box shape with an upper cover member 20 forming the top surface 12a and a lower cover member 22 forming the bottom surface 12b and the four side surfaces 12c. The cover members 20, 22 are stacked in the thickness direction and detachably connected to each other. The lower lower cover member 22 has a substantially bathtub shape with an open top surface. The upper upper cover member 20 has a substantially flat plate shape and serves as a lid that closes the top opening of the lower cover member 22. A keyboard 24 and a touch pad 26 are provided on the top surface 12a of the main body housing 12.

[0014] The hinge 16 connects the rear edge (first edge) 12d of the main body housing 12 to one edge (second edge) 14a of the adjacent display housing 14 so as to be relatively rotatable. If the state in which the housings 12 and 14 are stacked to close the clamshell is called 0 degrees, the range of rotation angles between the housings 12 and 14 by the hinge 16 in this example is from 0 degrees to 180 degrees. The rotation angle between the housings 12 and 14 may be smaller than 180 degrees.

[0015] A motherboard 29, a battery device 31, and the like are mounted inside the main body housing 12. The motherboard 29 is the main board of the electronic device 10. The motherboard 29 is disposed toward the rear of the main body housing 12. Various electronic components such as a CPU, a GPU, a power component, a communication module, a memory, and a connection terminal are mounted on the motherboard.

[0016] The electronic device 10 has two flat cables 28A, 28B that are provided between the main body housing 12 and the display housing 14. The flat cables 28A, 28B are parallel to each other in the approximate center, but may be separated to the left and right. The flat cables 28A, 28B are also typically referred to as flat cables 28. The flat cables 28 may be one or three or more. One end of the flat cable 28 is connected to a motherboard 29 or other sub-board of the main body housing 12, and the other end is directly or indirectly connected to the display 18 or electronic device 19 of the display housing 14. The flat cable 28 is an FPC (Flexible printed circuit). The FPC is formed of a thin sheet or film made of a polyimide layer, a conductive layer, etc., and has excellent flexibility and resilience, but has a certain degree of elasticity so that it can return to its original shape from a bent state. The flat cable 28 may be an FFC (Flexible Flat Cable) or the like.

[0017] Fig. 2 is a cross-sectional side view of flat cable 28 and its surroundings in electronic device 10 when the rotation angle of housings 12, 14 is 0 degrees. Fig. 3 is a perspective view of flat cable 28 and its surroundings in main body housing 12 with bottom cover member 22 removed. Fig. 4 is an exploded perspective view of flat cable 28 and its surroundings in main body housing 12 with bottom cover member 22 removed. Fig. 5 is a perspective view of the same part as in Fig. 3 with flat cable 28 removed. Although electronic device 10 does not have only flat cable 28 removed as in Fig. 5 in an actual product or during assembly, it is illustrated here so that cable guide 36 and bracket 52 can be easily recognized.

[0018] In the description of the display housing 14 with reference to FIG. 2, the up-down direction is based on the state shown in FIG. 2. The display housing 14 has a flat plate portion 30 having the display 18, and a hinge mounting portion (bent portion) 32 that is bent from its rear end and connected to the hinge 16 at a position facing the rear side surface 12ca of the main body housing 12, and is a so-called drop-down type. The hinge mounting portion 32 extends in the up-down direction. The hinge mounting portion 32 has an inner member 32a on the side facing the rear edge portion 12d and an outer member 32b on the opposite side, and a slit-shaped cable hole 32c through which the flat cable 28 passes is formed between the inner member 32a and the outer member 32b. The cable hole 32c of the hinge mounting portion 32 forms a cable opening 32d at one edge portion 14a. In the state shown in FIG. 2, the cable opening 32d is located slightly below the center of the hinge 16 and approximately half the thickness of the main body housing 12.

[0019] The inner member 32a is slightly thinner than the outer member 32b. The inner member 32a is curved downward and slightly forward. The outer member 32b extends slightly downward beyond the inner member 32a. The cable opening 32d forms an arc so that the inner member 32a and the outer member 32b each expand toward the opening side. The radius R2 of the arc surface of the inner member 32a and the radius R3 of the arc surface of the outer member 32b at the cable opening 32d are equal, for example, 2.5 mm. The arc center C2 of the arc surface of the inner member 32a and the arc center C3 of the arc surface of the outer member 32b are offset in the vertical direction, so that the arc center C2 is at the top and the arc center C3 is at the bottom relative to each other.

[0020] A housing opening 34 through which the flat cable 28 passes is formed in the rear edge portion 12d of the main body housing 12. The housing openings 34 are formed individually for the two flat cables 28A, 28B (see FIG. 4).

[0021] A cable guide 36 is provided in the main body housing 12 near the rear edge 12d. The cable guide 36 is a shape in which a central fixing piece 38, end fixing pieces 40 at both ends, and two blocks 42 are integrally molded and arranged in the left-right direction. The cable guide 36 is made of a resin material and can be manufactured inexpensively by injection molding or the like. Two screw holes 41 are formed in each of the central fixing piece 38 and the end fixing piece 40, and the end fixing piece 40 is fixed to a base 46 protruding from the inner surface 20a of the upper cover member 20 by a screw 44. One screw hole 41 in the end fixing piece 40 is directly fixed to the base 46 by the screw 44, and the other screw hole 41 is fastened together with a bracket 52 described later. The two screw holes 41 in the central fixing piece 38 are fastened together with the bracket 52, respectively. A T-shaped hook 38a is provided in the central fixing piece 38. An L-shaped hook 40a is provided in the end fixing piece 40. One tip protrusion of the L-shaped hook 40a and two tip protrusions of the T-shaped hooks 38a at both ends protrude in directions facing each other.

[0022] Each block 42 is provided between the central fixed piece 38 and the end fixed pieces 40 on both ends. Each of the two blocks 42 is slightly wider than the flat cable 28, and is disposed in a position to guide the flat cable 28. The block 42 has legs 48 that abut against the inner surface 22a of the lower cover member 22, and a guide main portion 50 that protrudes forward from the upper end of the legs 48. The legs 48 are provided along the rear edge portion 12d, and close the lower portion of the housing opening 34. The legs 48 are short vertically and narrow front-to-rear.

[0023] The vertical width of the guide main part 50 is larger than that of the leg part 48, for example, about 3 mm. The front-rear width of the guide main part 50 is larger than that of the leg part 48, for example, about 7 mm. The front end part 50a of the guide main part 50 forms an arc surface, and its radius R1 is slightly smaller than the above-mentioned radii R2 and R3, for example, 2 mm. The front end part 50a forms an arc of about 90 degrees, and its lower end is smoothly connected to the lower surface 50b of the guide main part 50. The front upper end part 50d between the upper surface 50c of the guide main part 50 and the front end part 50a forms a small arc. The rear upper part 50e of the guide main part 50 is an inclined surface that descends toward the rear. The upper surface 50c is located at about half the thickness of the main body housing 12. The space 54 between the lower surface 50b and the inner surface 22a of the lower cover member 22 is narrow. The space 56 between the upper surface 50c and the inner surface 20a of the upper cover member 20 is relatively wide. The lower surface 50b and the upper surface 50c are parallel to the flat surface of the main body housing 12 (that is, the surface defined by the front-rear direction and the left-right direction).

[0024] The flat cable 28 is fixed to the lower surface 50b of the main guide part 50 by a bracket 52. The brackets 52 are provided individually for the two sets of flat cables 28 and main guide parts 50. The brackets 52 are, for example, a thin metal plate, and have a laterally extending part 52a and screw receiving parts 52b on both ends. The left-right width of the laterally extending part 52a is slightly longer than the flat cable 28 and the main guide part 50. The front-to-rear width of the laterally extending part 52a is slightly smaller than the lower surface 50b, but is wide enough to stably hold the flat cable 28.

[0025] The screw receiving portion 52b has a slight width forward of the horizontal extending portion 52a, and is fixed to the base 46 together with the central fixing piece 38 or the end fixing pieces 40 at both ends by a screw 44 passing through a screw hole 52c. Small notches 52d are formed at both ends of the bracket 52 for engaging with the T-shaped hook 38a or the L-shaped hook 40a. The bracket 52 is accurately positioned by positioning pins 38b, 40b protruding from the cable guide 36.

[0026] The motherboard 29 is located at approximately half the thickness of the main body housing 12. One end of the flat cable 28 is connected to the rear end vicinity of the motherboard 29 by a connector 58. The rear end of the motherboard 29 and the guide main portion 50 are appropriately spaced apart. The flat cable 28 is gently inclined rearward from the position where it is connected to the motherboard 29 by the connector 58 so as to approach the inner surface 22a, forming an S-shaped path length absorbing portion 60, and exits the main body housing 12 through the housing opening 34. The path length absorbing portion 60 is an excess portion for absorbing a change in path length due to the angle when the main body housing 12 and the display housing 14 rotate relatively. The flat cable 28 exiting the main body housing 12 further enters the hinge attachment portion 32 through the cable opening 32d, and the other end is connected to the display 18 of the flat plate portion 30 through the cable hole 32c. The flat cable 28 is fixed by an adhesive material 62 in the cable hole 32c.

[0027] The path length absorbing portion 60 forms a first extending portion 60a toward the rear edge portion 12d within the space 54, a second extending portion 60c toward the front from the first extending portion 60a via a first curved portion 60b, and a third extending portion 60e toward the rear edge portion 12d again from the second extending portion 60c via a second curved portion 60d. The second extending portion 60c is sandwiched and fixed between the lower surface 50b of the main guide portion 50 and the lateral extending portion 52a of the bracket 52.

[0028] Since the second extension 60c is fixed to the flat surface by the bracket 52, the second curved portion 60d of the flat cable 28 forms a forward convex arc of approximately 200 degrees along the front end 50a, away from the front upper end 50d, and above the upper surface 50c. At least the portion of the second extension 60c along the front end 50a forms an arc of radius R1, but the entire portion has a radius of approximately R1 over a 200-degree range. The second curved portion 60d and the third curved portion 60f described below do not need to be arc-shaped in the strict sense, but only need to be approximately arc-shaped. The third extension 60e is slightly downward toward the rear, but the rear upper portion 50e is also inclined in the same manner, so there is no interference.

[0029] The flat cable 28 abuts against the inner member 32a at the location where it enters the hinge attachment portion 32 from the cable opening 32d at the tip of the path length absorption portion 60 (referred to as the third bending portion 60f). The inner member 32a forms an arc with a radius R2 at the cable opening 32d, and the third bending portion 60f is an arc that is convex downward along this and has a radius R2. The third bending portion 60f in this case is about 90 degrees.

[0030] Since R1 < R2 (= R3), at least in this state, the arc diameter (R2) of the third bending portion 60f is larger than the arc diameter (R1) of the second bending portion 60d. By the way, the flat cable 28 has a certain degree of elasticity so as to return to its original shape, and its elastic force is generated according to the degree of bending. Therefore, the restoring force of the second bending portion 60d is relatively stronger than the restoring force of the third bending portion 60f. Also, the flat cable 28 is fixed so as to point forward at the portion of the second extending portion 60c. Therefore, the second bending portion 60d overcomes the restoring force of the third bending portion 60f and generates a force to return to a planar shape toward the front. Then, the third extending portion 60e is drawn into the main body housing 12 with an appropriate tension, no useless slack occurs, and it does not protrude from the gap between the housings 12 and 14.

[0031] By regulating the bending shape of the second bending portion 60d by the front end portion 50a with an arc diameter R1 in the guide main portion 50, it is possible to adjust the restoring force of the second bending portion 60d to be appropriate, which is preferable. However, even if the portion corresponding to the front end portion 50a is omitted, since the second extending portion 60c is fixed in a planar manner by the bracket 52 and is regulated to point forward, a restoring force is exerted, so a tension can be generated in the third extending portion 60e. Also, the second extending portion 60c is fixed to the lower surface 50c of the guide main portion 50, and is fixed at least at a position in the lower half of the vertical thickness of the main body housing 12, and a region for deformation and displacement (see FIGS. 2 and 3) of the second bending portion 60d and the third extending portion 60e is secured above it.

[0032] The second extending portion 60c is fixed so as to be parallel to the flat surface of the main body housing 12. However, if conditions such as layout and assemblability permit, making it at an angle that moves away from the inner surface 20a toward the front (an angle approaching the inner surface 22a) can further increase the restoring force of the second curved portion 60d. The second extending portion 60c is fixed in a planar manner by the bracket 52, with its orientation being stable and the fastening force being dispersed in a planar manner, which is suitable. However, depending on conditions such as layout, even if it is fixed linearly, a corresponding effect can be obtained.

[0033] Since the S-shaped path length absorbing portion 60 has the second extending portion 60c fixed thereto, the path length absorption effect substantially occurs only at one location, namely the second curved portion 60d. Compared with the case where there are a plurality of curved portions as in Patent Document 1, it has a simple shape and is maintained in the assumed shape. Therefore, effects such as easy initial position setting during assembly, no locally severe curvature, no abnormal noise generated by contact at unexpected locations, and no protrusion from the gap between the housings 12 and 14 can be obtained. Also, in the electronic device 10, the initial position setting of the flat cable 28 can be easily done, and since the above-mentioned inconveniences do not occur, the inspection can be simplified, the frequency of responses such as reassembly can be reduced, and it is suitable for mass-produced products.

[0034] If R1 < R2, it is preferable that the third extending portion 60e is drawn into the main body housing 12. However, even if R1 ≥ R2, tension can be generated in the third extending portion 60e by the actions of the second curved portion 60d and the third curved portion 60f to prevent slack.

[0035] As will be described later, in this embodiment, R1 < R2 throughout the entire angular range of the relative rotation of the housings 12 and 14. However, it is preferable that at least in the state where the rotation angle is 0 degrees as shown in FIG. 2, R1 < R2. This is because if there is slack in the third extending portion 60e in this state, it is easily visible from the outside. Also, in the state of FIG. 2, the electronic device 10 may be carried, and if there is slack in the third extending portion 60e, there is a possibility of contact with other carried items.

[0036] 6 is a cross-sectional side view of the flat cable 28 and its surroundings in the electronic device 10 when the rotation angle between the housings 12, 14 is 100 degrees. At this time, the flat cable 28 is separated from the inner member 32a and the outer member 32b at the point where it enters the hinge attachment portion 32, and becomes a straight line on the extension of the third extension portion 60e, in other words, the third curved portion 60f here is considered to have an infinite arc radius and an angle of 0. In this case, the distance between the front end portion 50a of the guide main portion 50 and the adhesive material 62 is the shortest, and the arc diameter of the second curved portion 60d is slightly larger to absorb the path length, but the arc shape is maintained and tension can be generated in the third extension portion 60e. Even in this case, the arc diameter of the second curved portion 60d is smaller than the arc diameter (infinity) of the third curved portion 60f at the point where the flat cable 28 is inserted into the cable opening 32d, so the path length absorbing portion 60 has the effect of pulling the third extension portion 60e into the main housing 12.

[0037] In the state shown in Fig. 6, the second curved portion 60d pulls in the flat cable 28, whereas the third curved portion 60f has an infinite arc radius and does not pull in the flat cable 28, so that the flat cable 28 can be reliably pulled in toward the inside of the housing 12. The state shown in Fig. 6 is close to a general use state of the electronic device 10, and since at least in this state no pulling action occurs due to the third curved portion 60f, slack in the flat cable 28 is prevented and the user does not feel uncomfortable. As is well known, the use state of the electronic device 10 generally involves a rotation angle between the housings 12, 14 of about 90 degrees to 120 degrees.

[0038] 7 is a cross-sectional side view of the flat cable 28 and its surroundings in the electronic device 10 when the rotation angle between the housings 12, 14 is 180 degrees. At this time, the third curved portion 60f of the flat cable 28 abuts against the outer member 32b. The outer member 32b forms an arc of radius R3 at the cable opening 32d, and the third curved portion 60f is an arc of radius R3 that protrudes upward along this arc. Even in this case, the arc diameter R1 of the second curved portion 60d is smaller than the arc diameter R3 (=R2) of the third curved portion 60f, so that the path length absorbing portion 60 acts to draw the third extending portion 60e into the main body housing 12.

[0039] The second curved portion 60d of the path length absorbing portion 60 has an arc diameter R1 along the front end portion 50a of the main guide portion 50, similar to the case shown in FIG. 2. However, the arc of the second curved portion 60d in the case of FIG. 2 is approximately 200 degrees, whereas in the case of FIG. 7 it is approximately 130 degrees. In this case, the third curved portion 60f is approximately 110 degrees. Since the second curved portion 60d is approximately 130 degrees, the third extending portion 60e is inclined upward toward the rear, and the upper end portion is almost in contact with the inner surface 20a of the upper cover member 20, and the space 56 is effectively utilized. In addition, the flat cable 28 can only come into contact with the inner surface 20a at this moment, so that no abnormal noise due to sliding occurs.

[0040] Although the cases where the rotatable angle between the housings 12 and 14 is 0 degrees (see FIG. 2), 100 degrees (see FIG. 6), and 180 degrees (see FIG. 7) have been illustrated, in this embodiment, the second curved portion 60d has a smaller arc diameter than the third curved portion 60f in all other angle ranges, and acts to draw the third extension portion 60e into the main body housing 12. In particular, the action of drawing the third extension portion 60e into the main body housing 12 is continuously exerted around 100 degrees where the third curved portion 60f becomes linear, so that the third curved portion 60f can appropriately transition from a downwardly convex to an upwardly convex curve without twisting. As described in Patent Document 1, when the path length is absorbed by multiple curved portions, there is a concern that the shape may become unstable due to a wide operating angle, but in this embodiment, the shape is stable in a wide operating range of 0 to 180 degrees or more.

[0041] In addition, the restoring force of the second curved portion 60d and the third curved portion 60f can be influenced not only by the arc diameter but also by the arc angle. Conceptually, the restoring force is approximately inversely proportional to the arc diameter and approximately proportional to the arc angle. In this embodiment, the second curved portion 60d is set to have a smaller arc diameter and a larger arc angle than the third curved portion 60f over the entire angle range, so that the pulling action of the third extension portion 60e is reliably exerted. In this way, in the electronic device 10, the path length absorbing portion 60 in the flat cable 28 is maintained in an appropriate path, and path changes accompanying changes in the rotation angle between the housings 12 and 14 can be absorbed. However, even if the second curved portion 60d has a larger arc diameter than the third curved portion 60f in any angle range, or the second curved portion 60d has a smaller arc angle than the third curved portion 60f, it is preferable that the restoring force based on the arc diameter and arc angle of the second curved portion 60d is greater than that of the third curved portion 60f in the entire angle range or at least in a specified angle state such as 0 degrees or 180 degrees.

[0042] In addition, the third curved portion 60e changes so that the arc diameter always increases as the rotatable angle between the housings 12 and 14 increases from 0 degrees, and becomes linear at about 100 degrees. When the 100-degree state is exceeded, the arc of the third curved portion 60e curves in the opposite direction. Since the second curved portion 60d and the third curved portion 60e are connected, the arc diameter of the second curved portion 60d always becomes smaller than the arc diameter of the third curved portion 60e during this period. After that, the arc diameter of the second curved portion 60d changes to become larger, and at the same time, the arc diameter of the third curved portion 60e changes to become smaller. Therefore, even if the condition of the large and small arc diameters is not satisfied when the rotation angle is 0 degrees, there is always a range in which this condition is satisfied with subsequent rotation. Therefore, depending on the design conditions, the arc diameter of the curve at the portion where the flat cable 28 is inserted into the cable opening 32d may be larger than the arc diameter of the second curved portion 40d at least within a predetermined angle range where it is desired to control the retraction action of the flat cable 28. More specifically, the flat cable 28 may be straightened at the portion where it is inserted into the cable opening 32d at least when the angle is any of 90 degrees to 120 degrees, which are typical usage states.

[0043] The present invention is not limited to the above-described embodiment, and can of course be freely modified without departing from the spirit and scope of the present invention. [Explanation of symbols]

[0044] 10 Electronic equipment 12 Main unit housing 14 Display housing 16 Hinge 18 Display 20 Upper cover member 22 Lower cover member 28, 28A, 28B Flat Cable 30 Flat plate part 32 Hinge mounting part 32a Inner member 32b Outer member 32c Cable port 32d Cable Opening 34 Housing opening 36 Cable guide 42 blocks 50 Guide main part 50a front end 50b Bottom side 50c top surface 50d Front upper end 50e upper rear 52 Bracket 54,56 space 60 Path length absorption section 60a 1st extension part 60b First curved portion 60c 2nd extension part 60d Second curved section 60e 3rd extension 60f 3rd curved section 62 Adhesive material

Claims

1. An electronic device in which a first housing and a second housing are connected by a hinge so as to be relatively rotatable, a flat cable provided between the first housing and the second housing, In the first housing, the flat cable is a first extending portion extending toward a first edge which is a connecting edge with the second housing; a second extension portion extending from the first extension portion toward an opposite side to the first edge via a first curved portion; a third extension portion extending from the second extension portion toward the first edge via a second curved portion; Forming The second extension portion is fixed.

1. An electronic device comprising:

2. 2. The electronic device according to claim 1, a block fixed to the first housing and protruding from a vicinity of the first edge to a side opposite the first edge; The protruding tip of the block regulates the curved shape of the second curved portion.

1. An electronic device comprising:

3. 3. The electronic device according to claim 2, The second extension portion is fixed to the first housing via the block.

1. An electronic device comprising:

4. 4. The electronic device according to claim 3, The second extension portion is fixed to the block in a planar manner.

1. An electronic device comprising:

5. 2. The electronic device according to claim 1, The first housing has a flat shape with a keyboard on the top surface, The second extension is parallel to the flat surface of the first housing, or is angled away from the top surface toward the side opposite to the first edge.

1. An electronic device comprising:

6. 2. The electronic device according to claim 1, The first housing has a flat shape, the second housing has a flat shape and a display on a front surface thereof, and has a cable opening that opens at a second edge that is a connecting edge with the first housing and through which the flat cable is inserted; When at least the display surface of the display is overlapped with the first housing, the arc diameter of the curve at the portion where the flat cable is inserted into the cable opening is larger than the arc diameter of the second curved portion.

1. An electronic device comprising:

7. 2. The electronic device according to claim 1, The first housing has a flat shape, the second housing has a flat shape and a display on a front surface thereof, and has a cable opening that opens at a second edge that is a connecting edge with the first housing and through which the flat cable is inserted; When the display surface of the display is at an angle of 90 degrees to 120 degrees with respect to the state where the display surface is overlapped with the first housing, the flat cable is straightened at the portion where the flat cable is inserted into the cable opening.

1. An electronic device comprising:

8. 8. The electronic device according to claim 6, In the entire angle range of relative rotation between the first housing and the second housing, the arc diameter of the curve at the portion where the flat cable is inserted into the cable opening is larger than the arc diameter of the second curved portion.

1. An electronic device comprising:

9. 9. The electronic device according to claim 8, In the entire angle range of relative rotation between the first housing and the second housing, the arc angle of the curve at the point where the flat cable is inserted into the cable opening is smaller than the arc angle of the second curved portion.

1. An electronic device comprising:

10. 2. The electronic device according to claim 1, the first housing is a main body housing having a keyboard on an upper surface, the second housing includes a flat plate portion having a display, and a bent portion bent from an end of the flat plate portion and coupled to the hinge at a position facing the first edge of the main housing; the bent portion includes an inner member on a side facing the first edge and an outer member on the opposite side, and a cable hole through which the flat cable passes is formed between the inner member and the outer member, a cable opening through which the flat cable is inserted into the cable hole, the inner member and the outer member each forming an arc so as to widen toward the opening side, The center of the arc of the inner member and the center of the arc of the outer member are offset in the extending direction of the bent portion.

1. An electronic device comprising:

11. 2. The electronic device according to claim 1, the first housing is a main body housing having a keyboard on an upper surface, The second extension portion is fixed at a position in the lower half of the thickness of the first housing.

1. An electronic device comprising:

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