CN110534866B - Electronic device and control method of electronic device - Google Patents
Electronic device and control method of electronic device Download PDFInfo
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- CN110534866B CN110534866B CN201810513508.XA CN201810513508A CN110534866B CN 110534866 B CN110534866 B CN 110534866B CN 201810513508 A CN201810513508 A CN 201810513508A CN 110534866 B CN110534866 B CN 110534866B
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- 230000004308 accommodation Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000012937 correction Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
- H01Q1/244—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas extendable from a housing along a given path
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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Abstract
本发明提供了一种电子设备和电子设备的控制方法，所述电子设备包括壳体、主板和天线组件；所述壳体具有参考地和用于收容所述天线组件的收容空间；所述主板安装在所述壳体内，所述主板上设有第一地极，所述第一地极与所述参考地电连接；所述天线组件包括支座和设在所述支座上的天线；所述支座与所述壳体活动相连，以带动所述天线移至所述收容空间外或者缩回所述收容空间内；所述天线位于第一位置时，所述天线的接地点与所述第一地极电连接，以与所述参考地电连接。所述控制方法用于控制所述电子设备。本发明的方案能够提升电子设备的天线性能。
The present invention provides an electronic device and a control method for the electronic device. The electronic device includes a casing, a main board and an antenna assembly; the casing has a reference ground and an accommodation space for accommodating the antenna assembly; the mainboard is installed in the casing, the main board is provided with a first ground pole, and the first ground pole is electrically connected to the reference ground; the antenna assembly includes a support and an antenna arranged on the support; The support is movably connected with the housing to drive the antenna to move out of the receiving space or retract into the receiving space; when the antenna is in the first position, the grounding point of the antenna is connected to the receiving space. The first ground electrode is electrically connected to the reference ground. The control method is used to control the electronic device. The solution of the present invention can improve the antenna performance of the electronic device.
Description
Technical Field
The present invention relates to the field of electronic product technologies, and in particular, to an electronic device and a control method for the electronic device.
Background
An antenna is built in an electronic device (such as a mobile terminal of a mobile phone, a tablet computer and the like) to realize a communication function. The performance of the built-in antenna is often degraded due to the shielding effect of the electronic device housing, which affects the normal communication of the user. Moreover, electronic devices are becoming thinner and lighter, and the internal structural space is becoming more and more tight, which compresses the clearance area of the antenna and causes interference to the antenna.
Disclosure of Invention
The invention provides electronic equipment and a control method of the electronic equipment, which can improve the performance of an antenna.
An electronic device includes a housing, a main board, and an antenna assembly; the housing has a reference ground and a receiving space for receiving the antenna assembly; the main board is arranged in the shell, a first ground pole is arranged on the main board, and the first ground pole is electrically connected with the reference ground; the antenna assembly comprises a support and an antenna arranged on the support; the support is movably connected with the shell to drive the antenna to move out of the accommodating space or retract into the accommodating space; when the antenna is located at the first position, the grounding point of the antenna is electrically connected with the first grounding pole so as to be electrically connected with the reference ground.
A control method of an electronic apparatus for controlling the electronic apparatus described above, the control method comprising: providing a first driving force to enable the support in the electronic equipment to drive the antenna to move out of the accommodating space; and providing a second driving force to enable the support in the electronic equipment to drive the antenna to retract into the accommodating space.
In the scheme of the invention, the support in the electronic equipment can drive the antenna arranged on the support to move out of the accommodating space of the shell, and the design can reduce the shielding and shielding effect of the shell on the antenna and increase the clearance area of the antenna, thereby improving the antenna performance of the electronic equipment.
Drawings
To more clearly illustrate the structural features and effects of the present invention, a detailed description is given below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic perspective view of an electronic device according to an embodiment of the invention;
fig. 2 is a schematic perspective view of an electronic device according to an embodiment of the invention;
fig. 3 is a schematic perspective view of an electronic device according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a partial rear view of the electronic device of FIG. 1 with the antenna in a first position;
FIG. 5 is a schematic view of the antenna shown in FIG. 4 retracted into the receiving space;
FIG. 6 is a schematic diagram of a partial rear view of the electronic device in a second position of the antenna of FIG. 1;
FIG. 7 is a schematic diagram of a partial rear view of the electronic device in FIG. 1 with the antenna in a third position;
FIG. 8 is a diagram illustrating a structure of a frequency offset correction module for performing frequency offset correction according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a guide device for guiding a transmission line according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a functional module according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
The embodiment of the invention provides electronic equipment, which comprises but is not limited to mobile terminals such as mobile phones and tablet computers, and can also be other terminal equipment. The terminal device of the present embodiment includes, but is not limited to, an apparatus configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; a Personal Digital Assistant (PDA) that may include a radiotelephone, pager, internet/intranet access, Web browser, notepad, calendar, and/or a Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver.
As shown in fig. 1 to 3, an electronic apparatus according to an embodiment of the present invention includes a housing and an antenna assembly, the housing having a housing space for housing the antenna assembly. Wherein the housing may have a display screen 12 mounted thereon. The shell can comprise a frame and a back plate, and the frame and the back plate can be of an integrated or split assembly type structure. The housing may further include a middle frame, which is installed between the display screen 12 and the back plate, and plays a role of supporting the display screen 12.
Specifically, as shown in fig. 1, in the first embodiment, the housing 11 of the electronic device 10 may include a bezel 112 (a portion of the housing 11 adjacent to the display screen 12 in fig. 1) and a back plate 111 (a portion of the housing 11 adjacent to the bezel 112 and opposite to the display screen 12 in fig. 1, which is only shown in a line), where the bezel 112 is disposed around an outer periphery of the back plate 111 to form a receiving space, that is, the receiving space is a cavity surrounded by an inner surface of the housing 11. The accommodating space is provided with an opening A communicated with the outside. The opening a is formed only in the frame 112. In other embodiments, the receiving space may be formed with only an opening communicating with the outside on the back plate.
Alternatively, as shown in fig. 2, in the second embodiment, unlike the first embodiment, the housing space has an opening B communicating with the outside, and the opening B is formed in both the bezel 112 and the back plate 111.
Still alternatively, as shown in fig. 3, in a third embodiment, unlike both the first and second embodiments described above, the housing of the electronic device 20 may include a back plate 211, a bezel 212, and a center frame 213. Wherein the middle bezel 213 may extend beyond the back panel 211 in one direction parallel to the display screen 12 (e.g., vertical in the view of fig. 3) and be substantially flush with the back panel 211 in another direction parallel to the display screen 12 (e.g., horizontal in the view of fig. 3). At this time, an area surrounded by the portion of the middle frame 213 beyond the back plate 211, and the bezel 212 serves as an accommodation space.
The scheme of the present embodiment will be described continuously below mainly in conjunction with the structure of the electronic device 10 of the first embodiment described above. Of course, the contents described below are also applicable to the electronic devices of other embodiments.
As shown in fig. 1 and 4, in the present embodiment, the housing 11 has a ground reference 11a, and the ground reference 11a is used as a reference for the potential of other electrical components in the electronic apparatus 10. For example, the reference ground 11a may be a ground position on the middle frame. Of course, the reference ground 11a may be on other housings. The electronic device 10 may further include a main board 15, the main board 15 being mounted within the housing 11 (e.g., between the back panel and the center frame). The main board 15 is provided with a first ground electrode 16, and the first ground electrode 16 is electrically connected to the reference ground 11 a. For example, the main board 15 may be mounted with a spring, one end of the spring is connected to the first ground electrode 16, and the other end of the spring is in contact with the reference ground 11a, so as to electrically connect the first ground electrode 16 with the reference ground 11 a; alternatively, the housing may have a conductive structure (including but not limited to a boss, a column, and a groove) contacting (including but not limited to abutting and plugging) the first ground electrode 16 on the main board 15 to electrically connect the first ground electrode 16 with the reference ground 11 a.
As shown in fig. 1 and 4, in the present embodiment, the antenna assembly may include a support 13 and an antenna 14 provided on the support.
The antenna 14 may be made of any material and manufactured by any process type, such as an LDS (laser direct structuring) or PDS (direct print structuring) process for forming a conductive material layer on the support 13 (for example, on the surface of the support 13); or the antenna 14 is a flexible circuit board arranged on the surface of the support 13, that is, the antenna 14 is an FPC antenna; alternatively, the antenna 14 may also be a bezel 112 antenna, i.e. using a conductive frame on the support 13 as an antenna. Wherein the conductive frame may be provided as part of the support 13 or assembled to the support 13 as a separate component.
In this embodiment, the antenna 14 may be an antenna having any working frequency band and function type, including but not limited to a 2G antenna, a 3G antenna, a 4G antenna, a 5G antenna, and the like, and also not limited to a BT antenna, a GPS antenna, a WIFI antenna, a GSM antenna, an LTE antenna, a millimeter wave antenna, and the like. The number of the antennas 14 is not limited to one, and may be two or more.
As shown in fig. 1 and 4, in the present embodiment, the support 13 is movably connected to the housing 11, and the movable connection includes, but is not limited to, a sliding connection and a rotating connection. The support 13 can move the antenna 14 from the opening a to the outside of the accommodating space (including but not limited to moving out in a sliding manner and a rotating manner), and at this time, the antenna 14 will be far away from the housing 11; alternatively, the support 13 may retract (also including but not limited to sliding and rotating movement) the antenna 14 from the opening a into the receiving space. When the antenna 14 moves out of the accommodating space, the distance between the housing 11 and the antenna 14 is increased, so that the shielding and shielding effects of the housing 11 on the antenna 14 are weakened, and the signal quality of the antenna 14 is improved; and the headroom increases as the antenna 14 moves out, thereby optimizing antenna 14 performance. The support 13 can be controlled to drive the antenna 14 to move out of the accommodating space according to requirements so as to obtain better communication quality, or the support 13 can be controlled to drive the antenna 14 to move into the accommodating space so as to achieve the purpose of portability.
In this embodiment, the direction of movement of the support 13 may be substantially parallel to the display screen 12. In other embodiments (such as the embodiments shown in fig. 2 and 3), the direction of movement of the support may be substantially parallel or substantially perpendicular to the display screen 12 when the support is moved in a sliding manner; when the support is moved in a rotating manner, the support can be flipped up in a direction away from the display 12 and dropped down in a direction close to the display 12 (for example, as shown in fig. 3, the support 23 can flip the antenna 24).
In this embodiment, further, in order to shield and protect the internal structure of the support 13 and the antenna 14, a shielding member may be disposed on the support 13, and the shielding member covers the antenna 14 and is removed together with the antenna 14.
In the present embodiment, when the antenna 14 is located at the first position in the stroke thereof, the ground point of the antenna 14 is electrically connected to the first ground 16 so as to be electrically connected to the reference ground 11 a. At this time, the antenna 14 on the support 13 is connected to the reference ground 11a through the main board 15, which is beneficial to stable transmission of the ground return signal of the antenna 14, and improves the efficiency of the antenna 14. The first position may be any position in the travel of the antenna 14 that may be determined as needed to ensure performance of the antenna 14.
As shown in fig. 5, the first position is preferably set to a position where the antenna 14 is located in the housing space. That is, when the antenna 14 is in the housing space, the grounding point of the antenna 14 is electrically connected to the reference ground 11a through the first ground pole 16 on the main board 15. At this time, the grounding point of the antenna 14 is closer to the first ground pole 16 on the main board 15, the transmission path of the ground return signal of the antenna 14 is shorter, and the ground return signal of the antenna 14 flows back faster, thereby improving the efficiency of the antenna 14.
In this embodiment, furthermore, when the antenna 14 is located at a position other than the first position, the grounding point of the antenna 14 is still electrically connected to the first grounding electrode 16. For example, as shown in fig. 4, when the first position is determined as the position of the antenna 14 when located in the receiving space, the antenna 14 is still electrically connected to the first ground pole 16 when the antenna 14 moves out of the receiving space. That is, at any position in the travel of the antenna 14, the antenna 14 is always connected to the reference ground 11a through the first ground electrode 16, thereby ensuring stable transmission of the ground return signal of the antenna 14 and improving the efficiency of the antenna 14.
As shown in fig. 6, in the present embodiment, the antenna assembly may further include a sub circuit board 18 mounted on the support 13, and the sub circuit board 18 is provided with a second ground 17 electrically connected to the first ground 16. When the antenna is in a second position different from the first position, the ground point of the antenna 14 is electrically connected to the second ground 17 to be electrically connected to the first ground 16 through the second ground 17 and further to the reference ground 11 a. That is, the antenna 14 is switched to the first ground pole 16 through the second ground pole 17 on the sub circuit board 18, so as to solve the problem that the antenna 14 is inconvenient to be directly connected to the first ground pole 16. The second position is any position in the travel of the antenna 14 that is different from the first position and can be determined as needed to ensure performance of the antenna 14. When the antenna 14 moves from the first position to the second position or from the second position to the first position, the grounding point of the antenna 14 may be switched to a different ground polarity.
Alternatively, as shown in fig. 7, unlike the above-described embodiment, the second ground electrode 17 on the sub circuit board 18 is electrically connected directly to the reference ground 11a without being switched through the first ground electrode 16. When the antenna 14 is located at the third position, the ground point of the antenna 14 is electrically connected to the second ground 17 to be electrically connected to the reference ground 11 a. Namely, the antenna 14 is connected to the reference ground 11a through the second ground pole 17 on the sub circuit board 18, so as to solve the problem that the antenna 14 is not connected to the reference ground 11a through the first ground pole 16 on the main board 15. In addition, in the design, the second ground pole 17 is not required to be switched to the first ground pole 16 and then connected with the reference ground 11a, but the second ground pole 17 is directly connected with the reference ground 11a, so that the transmission path of the return ground signal can be shortened, the return ground signal of the antenna 14 is faster to return, and the efficiency of the antenna 14 is improved. The third position is any position in the travel of the antenna 14 that is different from both the first position and the second position, and can be determined as needed to ensure the performance of the antenna 14.
As shown in fig. 7, the third position may be set to a position where the antenna 14 is located outside the housing space. That is, when the antenna 14 is outside the housing space, the ground point of the antenna 14 is electrically connected to the reference ground 11a through the second ground 17 on the sub board 18. At this time, the ground return signal of the antenna 14 flows to the reference ground 11a through the ground point and the second ground 17, the transmission path of the ground return signal is short, and the ground return signal flows back faster, thereby improving the efficiency of the antenna 14.
In this embodiment, when the support 13 moves, the operating frequency band of the antenna 14 moving along with the support 13 may shift, which may affect the normal operation of the antenna 14. Therefore, further, the electronic device 10 may further include a frequency offset correction module, which may be disposed on the main board 15 and electrically connected to the antenna 14, and is configured to perform frequency offset correction on the frequency offset of the antenna 14. The frequency offset correction module can continuously perform frequency offset correction on the antenna 14 in real time, that is, perform frequency offset correction at any position in the stroke of the antenna 14, so as to ensure that the antenna 14 can normally operate at any position; alternatively, the frequency offset correction module may perform frequency offset correction only at a specific position of the antenna 14, for example, when the antenna 14 reaches the farthest position moved out of the accommodating space, the frequency offset correction module performs frequency offset correction. The latter way is to consider that the user usually does not communicate until the cradle 13 is moved in place, and therefore only performs the frequency offset correction at this time, thereby reducing the power consumption of the frequency offset correction module.
As shown in fig. 8, in particular, the frequency offset correction module may include an adjusting device 192 and a switch 191, the switch 191 is connected between the adjusting device 192 and the antenna 14, and the adjusting device 192 is used for adjusting the current distribution on the antenna to perform frequency offset correction. When the antenna 14 is biased, the switch 191 is closed to electrically connect the adjusting device 192 to the antenna 14, so that the adjusting device 192 operates. The tuning device 192 includes, but is not limited to, an inductor and a capacitor.
In this embodiment, in the case where the antenna 14 is connected to the reference ground 11a through the first ground pole 16 on the main board 15 (the solutions shown in fig. 4 and 5), as shown in fig. 9, the antenna assembly may further include a transmission line L, and the ground point of the antenna 14 is electrically connected to the first ground pole 16 through the transmission line L. The transmission line L includes, but is not limited to, a coaxial cable or a microstrip line. One end of the transmission line L is connected to the antenna 14, and the antenna 14 pushes and pulls the transmission line L when moving, so that the transmission line L moves and deforms. The transmission line L may be entangled during the movement and deformation processes, or the movement locus deviates from the design position to cause interference or interference to nearby components, which may also cause instability of the transmitted signal and increase the loss of the antenna signal. Therefore, a guide device can be designed in the housing 11, and the guide device is used for limiting the transmission line L, so that the movement and deformation of the transmission line L only occur in a set area, thereby guiding the transmission line L.
As shown in fig. 9, in particular, the guiding means may comprise a position sensor 202 and a force application means 201. The position sensor 202 is used for detecting the position of the antenna 14 to obtain the position information of the antenna 14. The position sensor 202 includes, but is not limited to, a displacement sensor, a pressure sensor, etc., and detects a corresponding quantity to determine the position information of the antenna 14. The force application device 201 is used for applying force to the transmission line L according to the position information, so as to limit the movement and deformation of the transmission line L within the set area. Force applicator 201 may include a processing module, a drive source (including but not limited to a motor), and an actuator (including but not limited to a hydraulic cylinder, linkage, etc.). The processing module controls the driving source to work according to the position information, and the driving source controls the execution component to support or pull the transmission line L to realize the straightening or rolling of the transmission line L, so that the movement and deformation of the transmission line L are limited in a set area. The setting area is a preset moving range of the transmission line L, when the transmission line L only moves and deforms in the setting area, the shape of the transmission line L is kept basically stable, and therefore entanglement of the transmission line L can be avoided, interference or interference on nearby components due to deviation of a moving track can be avoided, stability of transmitted signals can be guaranteed, and loss of antenna signals can be reduced.
As shown in fig. 1-3, in this embodiment, a display 12 may be mounted on the housing 11, and the display 12 has a display area 121. Further, the ratio of the area of the display area 121 to the area of the display screen 12 may be greater than a preset value. As shown in fig. 10, further, a function module M may be disposed on the support 13. The functional module M has a mechanical structure and a circuit structure, can receive feedback of a user or an environment, and collect user or environment data, and is used for realizing a specific function, including but not limited to a camera module, a flash module, an infrared module, a distance measuring module, a light sensing module, a receiver module, a transmitter module, a face recognition module, an iris recognition module, a fingerprint module, and the like. The functional module M is used for being moved to the outside of the accommodating space along with the support 13 for a user to use, for example, the functional module M is a camera module, and the camera module shoots under the control of the user after extending out of the accommodating space.
In the existing product, the functional module M is fixed under the non-display area of the display screen 12, and the non-display area is used for shielding the functional modules M, so that the display area 121 of the display screen 12 is small in occupied ratio (namely, the screen is small in occupied ratio), and the display experience is limited. However, in the solution of this embodiment, the functional module M is set as a removable accommodating space, and is used by the user after being removed, and does not need to play a role under the display 12. Therefore, the display 12 does not need to provide a non-display area for the functional module M. On the contrary, the non-display area which originally covers the functional module M on the display screen 12 can be designed into the display area 121, so that the proportion of the area of the display area 121 to the area of the display screen 12 is increased, the screen occupation ratio of the display screen 12 is increased, and the viewing experience is improved.
The electronic apparatus of the present invention is described in detail in the above embodiment, and a control method of the electronic apparatus of the present invention will be described below.
The embodiment of the invention provides a control method of electronic equipment, which is used for controlling the electronic equipment and comprises the following steps:
providing a first driving force to enable a support in the electronic equipment to drive the antenna to move out of the accommodating space;
and providing a second driving force to enable the support in the electronic equipment to drive the antenna to retract into the accommodating space.
The first driving force may include, among other things, a force applied by a user, and a force applied by a driving mechanism (including, but not limited to, purely mechanical and electrical driving mechanisms) internal to the electronic device. Therefore, providing the first driving force may refer to applying a force only by the user, applying an external force by the user and applying a force by the driving mechanism together, or applying a force only by the driving mechanism, so that the support and the antenna are moved out of the accommodating space. Accordingly, the second driving force may also include a force applied by the user, as well as a force applied by a driving mechanism internal to the electronic device. Thus, providing the second driving force may refer to the user applying only force, the user applying external force and the driving mechanism applying force together, or the driving mechanism applying only force, thereby moving the cradle and the antenna into the receiving space. In this embodiment, as described above, when the antenna moves out of the accommodating space, the antenna is electrically connected to the first feed source.
The control method of the embodiment can reduce the shielding and shielding effects of the shell on the antenna and increase the clearance area of the antenna; and the stable transmission of the return ground signal of the antenna is facilitated, and the efficiency of the antenna is improved. Therefore, the control method of the embodiment improves the antenna performance of the electronic device.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
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| CN201810513508.XA CN110534866B (en) | 2018-05-24 | 2018-05-24 | Electronic device and control method of electronic device |
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| CN201810513508.XA CN110534866B (en) | 2018-05-24 | 2018-05-24 | Electronic device and control method of electronic device |
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| CN110534866A CN110534866A (en) | 2019-12-03 |
| CN110534866B true CN110534866B (en) | 2021-09-14 |
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