terminal

Abstract

The utility model discloses a terminal, including frame, screen, radio frequency module and reflector. The frame surrounds and forms the cavity, and the top of frame is equipped with radiator. The screen is installed in the frame and covers the cavity. The radio frequency module is arranged in the cavity and is close to the radiator. The reflector is arranged close to the radiator. And along the depth direction of the cavity, the reflector is spaced apart from the screen. The length direction of the reflector and the length direction of the radiator are arranged in the same direction. When the radio frequency module and the radiator feed electrically cooperate, the radiator can work in the satellite communication frequency band, and the reflector increases the radiator. The terminal has good satellite communication performance.

Description

Technical Field

[0001] This disclosure relates to the field of electronic technology, and in particular to a terminal. Background Technology

[0002] Mobile phones, tablets, and smartwatches have become indispensable technological products in people's lives, studies, and entertainment. With the development of communication technology, more and more terminals are forming radiators on their metal frames for communication, making full use of the terminal's internal space.

[0003] In related technologies, a continuous and stable radio frequency link needs to be established between the terminal and a high-speed low-Earth orbit satellite to enable the terminal's satellite communication function. However, due to the compact structure of the terminal, the satellite communication antenna is easily affected by the screen, making it difficult to improve its communication performance. Utility Model Content

[0004] This disclosure provides a terminal with good satellite communication performance.

[0005] The technical solution is as follows:

[0006] According to a first aspect of the present disclosure, a terminal is provided, including a frame, a screen, a radio frequency (RF) module, and a reflector. The frame encloses a cavity, and a radiator is disposed at the top of the frame. The screen is mounted on the frame and covers the cavity. The RF module is disposed within the cavity and near the radiator. The reflector is disposed near the radiator. Along the depth direction of the cavity, the reflector and the screen are spaced apart. The longitudinal direction of the reflector and the longitudinal direction of the radiator are aligned. When the RF module and the radiator are powered together, the radiator can operate in a satellite communication frequency band, and the reflector gains power from the radiator.

[0007] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects:

[0008] When the terminal needs to use satellite communication, the radio frequency module works in conjunction with the radiator feed to excite the radiator located at the top of the bezel to radiate, operating in the satellite communication frequency band. At this time, using a reflector positioned close to the radiator but far from the screen to amplify the radiator effectively reduces the screen's adverse effects on satellite communication, thus improving the terminal's satellite communication performance.

[0009] The technical solution of this disclosure will be further explained below:

[0010] In one embodiment, the effective radiation length of the reflector is greater than the effective radiation length of the radiator, such that the current phase of the reflector lags behind the current phase of the radiator by 90°.

[0011] In one embodiment, when the radiator operates in the satellite communication band, the reflector is excited by the radiator to radiate, thus canceling the far-field electromagnetic radiation energy on the side opposite the screen. This causes the main lobe of the radiation pattern in the satellite communication band to tend towards the top of the bezel. Thus, when the radiator operates in the satellite communication band, the top edge of the screen is excited by the radiator and participates in radiation. Since the top of the screen is close to the radiator, according to electromagnetic principles, the current direction at the top edge of the screen is opposite to the current in the radiator. That is, the radiator and the top edge of the screen form a binary monopole array with a current phase difference of 180°. The straight plane connecting the antenna and the top edge of the screen is the array plane. Theoretical calculations show that there is a blind spot in the normal direction of the array plane, resulting in stronger directivity on the side opposite the screen. At this time, the reflector located away from the screen is excited by the radiator to radiate, thus canceling the far-field electromagnetic radiation energy on the side opposite the screen. This causes the main lobe of the radiation pattern in the satellite communication band to tend towards the top of the bezel, reducing unnecessary side lobes and back lobes, thereby improving the zenith radiation gain of the satellite communication band.

[0012] In one embodiment, the reflector is spaced apart from the radiator along a first direction perpendicular to the length direction of the reflector. This allows the reflector to better reflect energy back to the top of the frame, thereby enhancing the radiator's performance.

[0013] In one embodiment, the reflector comprises a metal strip. It is easy to implement.

[0014] In one embodiment, when the radiator operates in the satellite communication frequency band, the current of the radiator is orthogonal to the current of the reflector. This makes it easy for the current of the reflector to lag behind the current of the radiator by exactly 90°.

[0015] In one embodiment, the minimum distance between the reflector and the radiator along the first direction is L1; where 1 / 4λ≤L1≤1 / 2λ, and λ is the wavelength of the satellite communication band.

[0016] In one embodiment, the effective radiation length of the radiator is L2, and the effective radiation length of the reflector is L3; wherein, L1 = 3.4 mm, L2 = 30 mm, and L3 = 38 mm.

[0017] In one embodiment, the effective radiation length of the reflector is greater than the effective radiation length of the radiator. This ensures that the imaginary part of the reflector's input impedance at the satellite communication frequency is positive, thereby increasing the gain of the radiator.

[0018] In one embodiment, one end of the radiator has a feed section that cooperates with the radio frequency module for power supply, and the other end has a suspension section. The reflector is spaced apart from the suspension section along a first direction and offset from the feed section. The first direction is perpendicular to the longitudinal direction of the reflector. This ensures that the imaginary part of the reflector's input impedance at the satellite communication frequency is positive, ensuring that the reflector effectively reflects energy back to the top of the frame.

[0019] In one embodiment, the terminal further includes a ground plane disposed within the cavity, and the reflector is grounded in conjunction with the ground plane.

[0020] In one embodiment, the terminal further includes an insulating bracket fixedly connected to the frame, the insulating bracket being spaced apart from the screen along the depth direction of the cavity, and the reflector being fixed to the insulating bracket. Thus, the insulating bracket facilitates the fixing of the reflector to the inner side of the frame and its spaced apart from the screen along the depth direction of the cavity.

[0021] In one embodiment, the insulating support includes a back cover disposed opposite to the screen, the back cover being fixedly connected to the frame and covering the cavity. In this way, the reflector can be integrated onto the back cover, making the terminal structure more compact and facilitating miniaturization.

[0022] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0023] The accompanying drawings, which form part of this disclosure, are used to provide a further understanding of this disclosure. The illustrative embodiments of this disclosure and their descriptions are used to explain this disclosure and do not constitute an undue limitation of this disclosure.

[0024] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the terminal structure shown in one embodiment.

[0026] Figure 2 for Figure 1 A partial sectional view along the AA section direction shown.

[0027] Figure 3 This is a schematic diagram of a housing assembly shown in one embodiment.

[0028] Figure 4 This is a schematic diagram of the satellite communication performance of a conventional structure shown in one embodiment.

[0029] Figure 5 This is a schematic diagram of the satellite communication performance of a terminal shown in one embodiment.

[0030] Figure 6 This is a schematic diagram of the current between the screen edge and the radiator when the terminal is in satellite communication mode.

[0031] Figure 7 for Figure 6 The diagram shows a binary monopole array consisting of the radiator and the top edge of the screen.

[0032] Figure 8 This is a schematic diagram showing the radiation direction of a terminal converging towards the zenith when it is in satellite communication mode.

[0033] Figure 9 for Figure 1 The diagram shows the hardware structure of the terminal.

[0034] Explanation of reference numerals in the attached figures:

[0035] 10. Terminal; 11. Processing component; 12. Memory; 13. Power supply component; 14. Multimedia component; 15. Audio component; 16. Input / output interface; 17. Sensor component; 18. Communication component; 100. Housing component; 110. Frame; 111. Cavity; 112. Radiator; 1121. Power supply unit; 1122. Suspension unit; 120. Reflector; 130. Insulating support; 101. Array plane; 200. Screen; 300. Radio frequency module. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative and do not limit the scope of protection of this disclosure.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure.

[0038] For ease of understanding and explanation, some of the terms and technical terms that appear in the embodiments below this specification are explained.

[0039] Coupling can be understood as direct coupling and / or indirect coupling. "Coupled connection" can be understood as a direct coupling connection and / or indirect coupling connection. Direct coupling can also be called "electrical connection," which is understood as physical contact and electrical conduction between components; it can also be understood as the form of connection between different components in a circuit structure through physical lines that can transmit electrical signals, such as copper foil or wires on a printed circuit board (PCB). "Indirect coupling" can be understood as two conductors conducting electricity through a gap / non-contact method. In one embodiment, indirect coupling can also be called capacitive coupling, for example, signal transmission is achieved by forming an equivalent capacitance through coupling between the gaps between two conductive components.

[0040] A radiator, or antenna stub, is a device in an antenna used to receive / transmit electromagnetic wave radiation. In some cases, the term "antenna" is narrowly defined as a radiator, which converts guided wave energy from the transmitter into radio waves, or converts radio waves into guided wave energy, for radiating and receiving radio waves. The modulated high-frequency current energy (or guided wave energy) generated by the transmitter is transmitted to the transmitting radiator via a feed line, where it is converted into electromagnetic wave energy of a specific polarization and radiated in the desired direction. The receiving radiator converts electromagnetic wave energy of a specific polarization from a specific direction in space back into modulated high-frequency current energy, which is then transmitted to the receiver input via a feed line.

[0041] Radiators (or antenna stubs) may include conductors with specific shapes and sizes, such as wires or sheets, and this application does not limit the specific shape. In one embodiment, a wire radiator may be simply referred to as a wire antenna. In one embodiment, a wire radiator may be implemented by a conductive frame, and may also be referred to as a frame antenna. In one embodiment, a wire radiator may be implemented by a support conductor, and may also be referred to as a support antenna. In one embodiment, the wire diameter (e.g., including thickness and width) of the wire radiator, or the radiator of the wire antenna, is much smaller than the wavelength (e.g., the wavelength of the medium) (e.g., less than 1 / 16 of the wavelength), and the length may be comparable to the wavelength (e.g., the wavelength of the medium) (e.g., the length is around 1 / 8 of the wavelength, or 1 / 8 to 1 / 4, or 1 / 4 to 1 / 2, or longer). The main forms of wire antennas include loop antennas, half-wave dipole antennas, monopole antennas, ring antennas, and inverted F antennas (also known as inverted F antennas). For example, in a loop antenna, each loop antenna typically includes two radiating stubs, each fed from the feed end of the radiating stub by a feed section. For example, an inverted-F antenna can be considered as a monopole antenna with an added ground path. An inverted-F antenna has one feed point and one ground point, and is called an inverted-F antenna because its side view is inverted-F shaped. In one embodiment, the sheet radiator may include a microstrip antenna or a patch antenna. In one embodiment, the sheet radiator may be implemented using a planar conductor (e.g., a conductive sheet or conductive coating). In one embodiment, the sheet radiator may include a conductive sheet, such as a copper sheet. In one embodiment, the sheet radiator may include a conductive coating, such as silver paste. The shape of the sheet radiator includes circular, rectangular, and ring-shaped shapes, and this application does not limit the specific shape. The structure of a microstrip antenna generally consists of a dielectric substrate, a radiator, and a ground plane, wherein the dielectric substrate is disposed between the radiator and the ground plane.

[0042] Radiators (or antenna stubs) may also include slots or gaps formed on a conductor, for example, closed or semi-closed slots or gaps formed on a grounded conductor surface. In one embodiment, a slotted or slit radiator may be simply referred to as a slot antenna or a gap antenna. In one embodiment, the radial dimension (e.g., including width) of the slot or gap of the slot antenna / gap antenna is much smaller than the wavelength (e.g., the dielectric wavelength) (e.g., less than 1 / 16 of the wavelength), while the length dimension may be comparable to the wavelength (e.g., the dielectric wavelength) (e.g., a length of approximately 1 / 8 of the wavelength, or 1 / 8 to 1 / 4, or 1 / 4 to 1 / 2, or longer). In one embodiment, a radiator with a closed slot or gap may be simply referred to as a closed slot antenna. In one embodiment, a radiator with a semi-closed slot or gap (e.g., an opening added to a closed slot or gap) may be simply referred to as an open slot antenna. In some embodiments, the gap shape is elongated. In some embodiments, the length of the gap is approximately half a wavelength (e.g., the dielectric wavelength). In some embodiments, the length of the gap is approximately an integer multiple of a wavelength (e.g., one dielectric wavelength). In some embodiments, the slot can be fed by transmission lines connected across one or both sides, thereby exciting a radio frequency electromagnetic field on the slot and radiating electromagnetic waves into space. In one embodiment, the radiator of the slot antenna or gap antenna can be implemented by a conductive frame grounded at both ends, also known as a frame antenna. In this embodiment, the slot antenna or gap antenna can be viewed as including a linear radiator, which is spaced apart from the ground and grounded at both ends, thereby forming a closed or semi-closed slot or gap.

[0043] A radio frequency (RF) module, also called a power supply circuit, is a combination of all circuits used for receiving and transmitting radio frequency (RF) signals. An RF module can include a transceiver and an RF front-end. In some narrower senses, "RF module" refers to an RF chip (RFIC), which can be considered to include both the RF front-end chip and the transceiver. An RF module has the function of converting radio waves (e.g., RF signals) into electrical signals (e.g., digital signals). It is generally considered the RF component.

[0044] In some embodiments, the terminal may also include a test socket (or, RF socket, or RF test socket). This test socket can be used to insert a coaxial cable to test the characteristics of the RF front-end circuitry or the radiator of the antenna. The RF front-end circuitry can be considered as the circuitry coupled between the test socket and the transceiver.

[0045] In some embodiments, the radio frequency front-end circuit can be integrated into a radio frequency front-end chip in the terminal, or the radio frequency front-end circuit and the transceiver can be integrated into a radio frequency chip in the terminal.

[0046] A matching circuit is a circuit associated with adjusting the radiation characteristics of an antenna. In one embodiment, the matching circuit is coupled between the RF module and the corresponding radiator. Typically, the matching circuit is coupled between the test mount and the radiator. In one embodiment, the matching circuit has impedance matching and / or frequency tuning functions. It is generally considered part of the antenna.

[0047] A tuning circuit is a circuit associated with adjusting the resonant frequency of an antenna. In one embodiment, the tuning circuit is coupled between the radiator and the ground. In another embodiment, the tuning circuit is coupled between the radio frequency module and the radiator. In yet another embodiment, the tuning circuit functions as impedance matching and / or frequency tuning. Typically, it is considered part of the antenna.

[0048] In one embodiment, the matching circuit / tuning circuit may include switches and / or electronic components / devices, where the switches are electronic components / devices for switching the coupling connection of the radiator. The switches in the matching circuit / tuning circuit may also be referred to as antenna switches. In one embodiment, the matching circuit / tuning circuit may include a filter circuit.

[0049] Ground / Plane: This can broadly refer to at least a portion of any grounding layer, ground plane, or ground metal layer within a terminal (such as a mobile phone), or at least a portion of any combination of the aforementioned grounding layers, ground planes, or floating components. "Ground / Plane" can be used for grounding components within the terminal. In one embodiment, "Ground / Plane" may include any one or more of the following: a grounding layer of the terminal's circuit board, a ground plane formed by the terminal's frame, a ground metal layer formed by a thin metal film beneath the screen, a conductive grounding layer of the battery, and conductive or metallic components electrically connected to the aforementioned grounding layer / ground plane / metal layer. In one embodiment, the circuit board may be a printed circuit board. In one embodiment, components such as a display, touchscreen, input buttons, transmitter, processor, memory, battery, charging circuit, and system-on-a-chip (SoC) architecture may be mounted on or connected to the circuit board; or electrically connected to trace layers and / or grounding layers in the circuit board. For example, a radio frequency source is disposed on a trace layer.

[0050] Any of the aforementioned grounding layers, ground planes, or grounding metal layers are made of conductive materials. In one embodiment, the conductive material may be any of the following: copper, aluminum, stainless steel, brass and their alloys, copper foil on an insulating substrate, aluminum foil on an insulating substrate, gold foil on an insulating substrate, silver-plated copper, silver-plated copper foil on an insulating substrate, silver foil on an insulating substrate and tin-plated copper, graphite-impregnated cloth, graphite-coated substrates, copper-plated substrates, brass-plated substrates, and aluminum-plated substrates. Those skilled in the art will understand that grounding layers / ground planes / grounding metal layers may also be made of other conductive materials.

[0051] Grounding: refers to coupling with the aforementioned ground / floor via a grounding structure and / or grounding circuit. In one embodiment, grounding can be achieved through physical grounding, such as through a structural component of the mid-frame to achieve physical grounding at a specific location on the frame (or, physical ground). In another embodiment, grounding can be achieved through device grounding, such as through devices like capacitors / inductors / resistors connected in series or parallel (or, device ground).

[0052] Communication band: Regardless of the type of antenna, it always operates within a certain frequency range (bandwidth). For example, an antenna supporting the B40 band has a communication band encompassing frequencies in the range of 2300MHz to 2400MHz; or, in other words, the antenna's communication band includes the B40 band. The frequency range that meets the specifications can be considered the antenna's communication band. The width of the communication band is called the operating bandwidth. The operating bandwidth of an omnidirectional antenna may reach 3-5% of the center frequency. The operating bandwidth of a directional antenna may reach 5-10% of the center frequency. Bandwidth can be considered as a frequency range on either side of the center frequency (e.g., the resonant frequency of a dipole), where the antenna characteristics are within the acceptable range of the center frequency.

[0053] In one embodiment, one or more resonant frequency bands of the antenna may cover one or more communication frequency bands of the antenna.

[0054] Wavelength (λ): This refers to the operating wavelength, which can be the wavelength corresponding to the center frequency of the resonant frequency or the center frequency of the communication band supported by the antenna. For example, assuming the center frequency of the B1 uplink band (resonant frequency from 1920MHz to 1980MHz) is 1955MHz, the operating wavelength can be the wavelength calculated using this frequency. Not limited to the center frequency, "operating wavelength" can also refer to the wavelength corresponding to the non-center frequency of the resonant frequency or the communication band.

[0055] Null regions in the radiation pattern: In the radiation pattern of an antenna, the areas that are not radiated, as well as the areas with weak radiation intensity, can be called null regions.

[0056] Antenna gain describes the degree to which an antenna concentrates its input power for radiation, i.e., the radiation effect in the direction of maximum radiation. To achieve equal radiated power density at the observation point, the input power of an omnidirectional antenna should be G times that of a directional antenna. Therefore, using a high-gain antenna can increase the effective radiated power while maintaining a constant input power.

[0057] Currently, mobile phones and tablets have become indispensable technological products in people's lives, studies, and entertainment, bringing them numerous conveniences and enjoyment. With the diversification of terminal functions, there are now many types and brands of terminals available, offering consumers a wide range of choices. Simply improving the functional features of terminals is no longer sufficient to meet people's demands.

[0058] In related technologies, with the large-scale deployment of Low Earth Orbit (LEO) satellite constellations, direct satellite-to-ground communication technology has become a key development direction for next-generation mobile communication systems. In such communication scenarios, a continuous and stable radio frequency link needs to be established between the ground mobile terminal and the high-speed LEO satellite, which places stringent requirements on the terminal's antenna for satellite acquisition and alignment. However, the terminal's antenna design faces multiple physical constraints. First, due to the compact structure of the terminal, the size of the antenna elements is often limited. Furthermore, the compact structure of the terminal makes the satellite communication antenna susceptible to the influence of the screen, hindering the improvement of its communication performance.

[0059] Based on this, the present disclosure provides a terminal. By optimizing the radiation structure, the terminal achieves good satellite communication performance.

[0060] To better understand the terminal of this disclosure, the following structural diagram is provided.

[0061] like Figures 1 to 2 As shown, this disclosure provides a terminal 10, including a frame 110, a screen 200, an RF module 300, and a reflector 120. The frame 110 encloses a cavity 111, and a radiator 112 is provided at the top of the frame 110. The screen 200 is mounted on the frame 110 and covers the cavity 111. The RF module 300 is disposed within the cavity 111 and close to the radiator 112. The reflector 120 is disposed close to the radiator 112. Along the depth direction of the cavity 111, the reflector 120 and the screen 200 are spaced apart. The length direction of the reflector 120 is aligned with the length direction of the radiator 112. When the RF module 300 and the radiator 112 are powered together, the radiator 112 can operate in the satellite communication frequency band, and the reflector 120 enhances the radiator 112.

[0062] Thus, when the terminal 10 needs to use satellite communication, the radio frequency module 300 and the radiator 112 are powered together to excite the radiator 112, which is located at the top of the frame 110, to radiate and operate in the satellite communication frequency band. At this time, by using the reflector 120, which is located near the radiator 112 but far away from the screen 200, to enhance the radiator 112, the adverse effects of the screen 200 on satellite communication can be effectively reduced, thereby improving the satellite communication performance of the terminal 10.

[0063] Understandably, the radiator 112 is a frame antenna, which can make full use of the frame space to set the radiator of the antenna, making the terminal structure compact and conducive to the miniaturization of the terminal.

[0064] It should be noted that the top of the bezel 110 is usually the top of the terminal 10. When the terminal 10 is a mobile phone or tablet, the top of the bezel 110 is the side closest to the front-facing camera.

[0065] There are various ways to implement an RF module, including but not limited to RF circuits, RF chips, etc.

[0066] Combination Figure 2 as well as Figure 3 As shown, the depth direction of cavity 111 is the Z-axis direction, and the length direction of radiator 112 is the Y-axis direction.

[0067] It should be noted that the satellite communication frequency band can be selected according to the actual needs of the satellite to be connected, including but not limited to the Inmarsat, Iridium, Thuraya, and Tiantong satellite bands, etc. The satellite communication frequency bands include but are not limited to 300MHz to 3GHz.

[0068] In some embodiments, the satellite communication frequency band is the Tiantong satellite band. This enables connection to the Tiantong satellite, facilitating the provision of reliable and efficient satellite communication services to users.

[0069] Optionally, in some embodiments, the satellite communication frequency band includes a transmission frequency band of 1.98 GHz to 2 GHz and a reception frequency band of 2.17 GHz to 2.2 GHz. This facilitates connection with the Tiantong satellite, providing users with reliable and efficient satellite communication services.

[0070] like Figure 3 As shown, in some embodiments, the effective radiation length of reflector 120 is greater than the effective radiation length of radiator 112. Thus, the imaginary part of the input impedance of reflector 120 at the satellite communication frequency is positive, thereby increasing the gain of radiator 112.

[0071] Furthermore, such as Figure 3As shown, in some embodiments, one end of the radiator 112 is provided with a feed section 1121 that cooperates with the feed of the radio frequency module 300, and the other end is provided with a suspension section 1122. The reflector 120 is spaced apart from the suspension section 1122 along a first direction and is offset from the feed section 1121. The first direction is perpendicular to the length direction of the reflector 120. In this way, it can be ensured that the imaginary part of the input impedance of the reflector 120 at the satellite communication frequency is positive, and that the reflector 120 effectively reflects energy back to the top of the frame 110, so that when the radiator 112 operates in the satellite communication frequency band, the main lobe of its radiation pattern tends to be at the top of the frame 110, thereby increasing the gain of the radiator 112.

[0072] like Figure 3 As shown, the first direction is the Y-axis direction, and the length direction of the reflector 120 is the X-axis direction.

[0073] like Figure 2 as well as Figure 3 As shown, in some embodiments, the terminal 10 further includes an insulating bracket 130 fixedly connected to the frame 110. The insulating bracket 130 is spaced apart from the screen along the depth direction of the cavity 111, and the reflector 120 is fixed to the insulating bracket 130. In this way, the insulating bracket 130 can be used to easily fix the reflector 120 to the inside of the frame 110 and spaced apart from the screen 200 along the depth direction of the cavity 111.

[0074] It should be noted that the insulating bracket 130 can be implemented in various ways. For example, the insulating bracket 130 can be a substrate, with the reflector 120 disposed on the substrate to form a circuit board. Another example is that the insulating bracket 130 can be an FPC flexible component, with the reflector 120 embedded within it. Yet another example is that the insulating bracket 130 can be a camera mounting bracket.

[0075] like Figure 2 as well as Figure 3 As shown, in some embodiments, the insulating bracket 130 includes a back cover, which is fixedly connected to the frame 110 and covers the cavity 111. Thus, the reflector 120 can be integrated onto the back cover, making the structure of the terminal 10 more compact and facilitating miniaturization.

[0076] It should be noted that there are multiple ways to fix the back cover and the reflector 120. For example, the reflector 120 can be a patch, bonded to the back cover, or it can be injection molded together with the back cover. For example, the reflector 120 can be fixed to the back cover using LDS (Laser Direct Structuring) technology.

[0077] Optionally, such as Figure 1 as well as Figure 2As shown, in some embodiments, the back cover and the frame 110 cooperate to form a housing assembly 100. In this way, the housing assembly 100 can effectively protect the electronic components inside the cavity 111.

[0078] like Figure 3 As shown, in some embodiments, the reflector 120 is spaced apart from the radiator 112 along a first direction, which is perpendicular to the length direction of the reflector 120. In this way, the reflector 120 better reflects energy back to the top of the frame 110, thereby increasing the radiator 112.

[0079] like Figure 3 As shown, in some embodiments, the reflector 120 includes a metal strip. This facilitates manufacturing and implementation.

[0080] like Figure 3 As shown, in some embodiments, the minimum distance between the reflector 120 and the radiator 112 along the first direction is L1; where 1 / 4λ≤L1≤1 / 2λ, and λ is the wavelength of the satellite communication frequency band. This ensures that the reflector 120 can be coupled and fed to the radiator 112, allowing the radiator 112 to excite the reflector 120 to radiate, thereby increasing the satellite's operating frequency band.

[0081] In some embodiments, the effective radiation length of the radiator 112 is L2, and the effective radiation length of the reflector 120 is L3; wherein L1 = 3.4 mm, L2 = 30 mm, and L3 = 38 mm. This ensures that the imaginary part of the input impedance of the reflector 120 at the satellite communication frequency is positive, thereby increasing the gain of the radiator 112.

[0082] Combination Figures 4 to 6 As shown in the table below, the satellite communication performance of the present disclosure is compared with that of a conventional satellite communication structure. From the table, it can be seen that the satellite communication scheme of the present disclosure can improve the gain in the zenith direction by 0.9dB compared with the conventional satellite antenna structure.

[0083]

[0084] In some embodiments, when the radiator operates in the satellite communication band, the current in the radiator is orthogonal to the current in the reflector. This causes the current in the reflector to lag behind the current in the radiator by exactly 90°.

[0085] In some embodiments, the reflector is suspended. Alternatively, in some embodiments, the reflector is grounded. The choice can be made based on the actual gain requirements.

[0086] In some embodiments, the terminal further includes a ground plane disposed within the cavity, and the reflector is grounded in conjunction with the ground plane. Thus, utilizing the ground plane can increase the reflective effect of the reflector, which is beneficial for improving the gain of the radiator.

[0087] In some embodiments, the effective radiation length of the reflector is greater than that of the radiator, causing the reflector current phase to lag by 90° relative to the radiator current phase. This ensures that the imaginary part of the reflector's input impedance at the satellite communication frequency is positive, resulting in the reflector current phase lagging by 90° relative to the radiator current phase. Consequently, when the reflector is stimulated to emit radiation, the far-field electromagnetic radiation energy on the side furthest from the screen is precisely canceled out. This allows the radiator to operate in the satellite communication frequency band with its main lobe of the radiation pattern tending towards the top of the frame, thereby improving the zenith radiation gain of the satellite antenna.

[0088] In some embodiments, when the radiator 112 operates in the satellite communication band, the reflector 120 is excited by the radiator 112 to cancel the far-field electromagnetic radiation energy on the side opposite to the screen 200, causing the main lobe of the radiation pattern of the satellite communication band to tend towards the top of the bezel 110. Thus, as... Figure 6 as well as Figure 7 As shown, when the radiator 112 operates in the satellite communication frequency band, the top edge of the screen 200 will be excited by the radiator 112 and participate in radiation. Since the top of the screen 200 is close to the radiator 112, according to electromagnetic principles, the current direction at the top edge of the screen 200 is opposite to the current in the radiator 112. That is, the radiator 112 and the top edge of the screen 200 form a binary monopole array with a current phase difference of 180°. The straight plane connecting the antenna and the top edge of the screen 200 is the array plane 101 (e.g., ...). Figure 7 As shown), theoretical calculations indicate that there is a blind spot in the normal direction of array plane 101, resulting in stronger directionality on the side opposite to screen 200. At this time, the reflector 120, located away from screen 200, is excited by radiator 112 to counteract the far-field electromagnetic radiation energy on the side opposite to screen 200, causing the main lobe of the radiation pattern of the satellite communication frequency band to tend towards the top of the frame 110 (as shown). Figure 8 (As shown), this reduces unnecessary sidelobes and backlobes, thereby improving the zenith radiation gain of the satellite communication band.

[0089] It should be noted that, in Figure 7 In the diagram, the "●" inside the small circle representing radiator 112 indicates the direction of current on radiator 112, assumed to be positive. The "×" inside the small circle representing screen 200 indicates the direction of current at the top edge of screen 200, assumed to be negative. The outer ring outside the small circle representing radiator 112 represents the far-field radiation pattern of radiator 112.

[0090] The terminals disclosed herein include ranging devices, scanning devices, shooting devices, handheld devices, vehicle-mounted devices, wearable devices, monitoring devices, cellular phones, smartphones, personal digital assistant computers, tablet computers, laptops, laptops, cameras, video recorders, cameras, vehicle-mounted computers, and other devices with satellite communication capabilities.

[0091] Reference Figure 9 As shown, in some embodiments, terminal 10 further includes at least one or more of the following components: processing component 11, memory 12, power supply component 13, multimedia component 14, audio component 15, input / output interface 16, sensor component 17, and communication component 18.

[0092] The processing component typically controls the overall operation of the terminal, such as operations associated with display, telephone calls, data communication, camera operation, and recording. The processing component includes at least one or more processors to execute instructions to complete all or part of the steps of the methods described above. Furthermore, the processing component includes at least one or more modules to facilitate interaction between the processing component and other components. For example, the processing component may include at least a multimedia module to facilitate interaction between the multimedia component and the processing component.

[0093] The memory is configured to store various types of data to support operation on the terminal. Examples of this data include instructions for any application or method operating on the terminal, contact data, phonebook data, messages, pictures, videos, etc. The memory can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory, read-only memory, magnetic storage, flash memory, disk, or optical disk.

[0094] The power supply unit provides power to the various components of the terminal. The power supply unit includes at least a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the terminal.

[0095] The multimedia component includes the display module of this disclosure, facilitating human-computer interaction. If the display module includes a touch panel, the display module can be implemented as a touchscreen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensors can sense not only the boundaries of touch or swipe actions but also the duration and pressure associated with the touch or swipe operation. In some embodiments, the multimedia component includes a front-facing camera and / or a rear-facing camera. When the terminal is in an operating mode, such as a shooting mode or a video mode, the front-facing camera and / or the rear-facing camera can receive external multimedia data. Each front-facing camera and rear-facing camera can be a fixed optical lens system or have focal length and optical zoom capabilities.

[0096] The audio component is configured to output and / or input audio signals. For example, the audio component includes a microphone (MIC) configured to receive external audio signals when the terminal is in an operating mode, such as call mode, recording mode, or voice recognition mode. The received audio signals may be further stored in memory or transmitted via a communication component. In some embodiments, the audio component also includes a speaker for outputting audio signals.

[0097] The input / output interface provides an interface between the processing component and the peripheral interface module, which can be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.

[0098] The sensor assembly includes one or more sensors for providing state assessments of various aspects of the terminal. For example, the sensor assembly can detect the terminal's on / off state, the relative positioning of components such as the terminal's display and keypad, changes in the position of the terminal or a component of the terminal, the presence or absence of user contact with the terminal, the terminal's orientation or acceleration / deceleration, and temperature changes. The sensor assembly includes at least a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly also includes at least a photosensitizing element, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly also includes at least an accelerometer, a gyroscope, a magnetometer, a pressure sensor, or a temperature sensor.

[0099] The communication component is configured to facilitate wired or wireless communication between the terminal and other devices. The terminal can access wireless networks based on communication standards, such as WiFi, 2G, 3G, 4G, or 6G, or combinations thereof. In one exemplary embodiment, the communication component receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component also includes a Near Field Communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra-Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

[0100] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0101] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0102] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0103] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0104] The above embodiments are merely illustrative of several implementation methods of this disclosure, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of this disclosure, and these modifications and improvements all fall within the protection scope of this disclosure.

Claims

1. A terminal, characterized in that, include: A frame, wherein the frame is configured to form a cavity, and a radiator is provided on the top of the frame; A screen, which is mounted on the frame and covers the cavity; The radio frequency module is disposed within the cavity and close to the radiator; as well as A reflector is positioned close to the radiator and along the depth direction of the cavity. The reflector is spaced apart from the screen, and the length direction of the reflector is the same as the length direction of the radiator. When the radio frequency module is fed in conjunction with the radiator, the radiator can operate in the satellite communication frequency band, and the reflector gains the radiator.

2. The terminal according to claim 1, characterized in that, The effective radiation length of the reflector is greater than the effective radiation length of the radiator, such that the current phase of the reflector lags behind the current phase of the radiator by 90°.

3. The terminal according to claim 2, characterized in that, When the radiator operates in the satellite communication frequency band, the reflector is excited by the radiator to radiate, thereby canceling the far-field electromagnetic radiation energy on the side opposite to the screen, causing the main lobe of the radiation pattern of the satellite communication frequency band to tend toward the top of the frame.

4. The terminal according to claim 1, characterized in that, The reflector is spaced apart from the radiator along a first direction, which is perpendicular to the length direction of the reflector.

5. The terminal according to claim 4, characterized in that, The reflector includes a metal strip.

6. The terminal according to claim 4, characterized in that, When the radiator operates in the satellite communication frequency band, the current of the radiator is orthogonal to the current of the reflector.

7. The terminal according to claim 4, characterized in that, Along the first direction, the minimum distance between the reflector and the radiator is L1; where 1 / 4λ≤L1≤1 / 2λ, and λ is the wavelength of the satellite communication frequency band.

8. The terminal according to claim 7, characterized in that, The effective radiation length of the radiator is L2, and the effective radiation length of the reflector is L3; wherein, L1 = 3.4 mm, L2 = 30 mm, and L3 = 38 mm.

9. The terminal according to claim 1, characterized in that, The effective radiation length of the reflector is greater than the effective radiation length of the radiator.

10. The terminal according to claim 9, characterized in that, One end of the radiator is provided with a feeding part that cooperates with the radio frequency module for power supply, and the other end is provided with a levitation part; The reflector is spaced apart from the suspension part along a first direction and is offset from the power supply part; wherein, the first direction is perpendicular to the length direction of the reflector.

11. The terminal according to claim 1, characterized in that, The terminal also includes a ground plane disposed in the cavity, and the reflector is grounded in conjunction with the ground plane.

12. The terminal according to any one of claims 1 to 11, characterized in that, The terminal also includes an insulating bracket fixedly connected to the frame, the insulating bracket being spaced apart from the screen along the depth direction of the cavity, and the reflector being fixed to the insulating bracket.

13. The terminal according to claim 12, characterized in that, The insulating bracket includes a back cover disposed opposite to the screen, the back cover being fixedly connected to the frame and covering the cavity.

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