CN110809074A - Electronic equipment and control method thereof - Google Patents
Electronic equipment and control method thereof Download PDFInfo
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- CN110809074A CN110809074A CN201911040074.7A CN201911040074A CN110809074A CN 110809074 A CN110809074 A CN 110809074A CN 201911040074 A CN201911040074 A CN 201911040074A CN 110809074 A CN110809074 A CN 110809074A
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- electronic device
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- telescopic structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Transceivers (AREA)
Abstract
The invention provides an electronic device and a control method of the electronic device, the electronic device includes: the electronic equipment comprises an electronic equipment body and a telescopic structure arranged in the electronic equipment body; a radio frequency transceiver; the first antenna is arranged on the telescopic structure, and a first transmitting and receiving passage is formed between the radio frequency transceiver and the first antenna; the first switch is arranged in the first transmitting and receiving path; the first switch conducts the first transmitting and receiving channel under the condition that the telescopic structure is moved out of the electronic equipment body; under the condition that the telescopic structure moves into the electronic equipment body, the first switch disconnects the first transmitting and receiving channel. The invention can reduce the design difficulty of the antenna, and the first antenna has different working states when the telescopic structure is in different position states, thereby reducing the receiving interference of the first antenna, improving the receiving gain of the antenna, improving the efficiency of the antenna for transmitting signals and ensuring that the effect of receiving signals is better.
Description
Technical Field
The present invention relates to the field of electronic technologies, and in particular, to an electronic device and a control method for the electronic device.
Background
With the increasing requirements of people on the appearance of electronic equipment, full-screen electronic equipment is mainstream equipment in the future, and in order to realize full-screen occupation ratio, for example, a mainstream design scheme in the market is to embed a front miniature camera module (CCM) in a machine body and extend the device in scenes such as self-shooting, video call and the like during use, so that shooting is realized, the full-screen occupation ratio is higher, and the requirements of users on the appearance are greatly met.
At present, with the coverage rate of the 5G network being higher and higher, the electronic equipment not only supports the 2G, 3G and 4G networks, but also supports the 5G network and communication, so that the number of antennas on the electronic equipment is large, and the antennas are generally integrated in the whole machine body, so that the design difficulty of the antennas is greatly improved for realizing the high screen occupation ratio of the electronic equipment.
Disclosure of Invention
The invention provides electronic equipment and a control method of the electronic equipment, and aims to solve the problem that in the prior art, an antenna is generally integrated in a whole machine body, and the design difficulty of the antenna is higher for realizing high screen occupation ratio of the electronic equipment.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides an electronic device, where the electronic device includes:
the electronic equipment comprises an electronic equipment body and a telescopic structure arranged in the electronic equipment body;
a radio frequency transceiver;
the first antenna is arranged on the telescopic structure, and a first transmitting and receiving passage is formed between the radio frequency transceiver and the first antenna;
the first switch is arranged in the first transmitting and receiving path;
the first switch conducts the first transmitting and receiving channel under the condition that the telescopic structure is moved out of the electronic equipment body; under the condition that the telescopic structure moves into the electronic equipment body, the first switch disconnects the first transmitting and receiving channel.
In a second aspect, an embodiment of the present invention provides a method for controlling an electronic device, where the method is applied to the electronic device, and the method includes:
detecting the current position state of the telescopic structure;
if the current position state is that the telescopic structure is moved out of the electronic equipment body, controlling the first transmitting and receiving channel to be conducted, and transmitting or receiving radio frequency signals through the first transmitting and receiving channel;
and if the current position state is that the telescopic structure moves into the electronic equipment body, controlling the first transmitting and receiving channel to be disconnected.
In the embodiment of the invention, the first antenna is arranged on the telescopic structure, the first transmitting and receiving channel is formed between the radio frequency transceiver and the first antenna, the first switch is arranged in the first transmitting and receiving channel, and the first switch conducts the first transmitting and receiving channel under the condition that the telescopic structure is moved out of the electronic equipment body; under the condition of the flexible structure immigration electronic equipment body, first switch disconnection first transmission receiving path, like this, can reduce the antenna design degree of difficulty to first antenna has different operating condition when flexible structure is in different position states, can reduce the receiving interference of first antenna, thereby promotes the receiving gain of antenna, promotes the efficiency of antenna transmitting signal, makes its received signal effect better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a control method for an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention. Referring to fig. 1, an embodiment of the present invention provides an electronic device, where the electronic device may include:
the electronic equipment comprises an electronic equipment body and a telescopic structure arranged in the electronic equipment body;
a radio frequency transceiver 110;
a first antenna 120 disposed on the telescopic structure, wherein a first transceiver 130 is formed between the radio frequency transceiver 110 and the first antenna 120;
a first switch 140, the first switch 140 being disposed in the first transmit receive path 130;
wherein, when the telescopic structure is moved out of the electronic device body, the first switch 140 turns on the first transmitting/receiving path 130; in the case where the telescopic structure is moved into the electronic apparatus body, the first switch 140 disconnects the first transmission/reception path 130.
In the embodiment of the present invention, the first antenna 120 is disposed on the telescopic structure, the telescopic structure can move out of or into the electronic device body, and the first transmitting/receiving path 130 is turned on or off by the first switch 140, so that the first antenna 120 is integrally disposed on the telescopic structure, which can reduce the difficulty in designing the antenna, and the first antenna 120 has different working states when the telescopic structure is in different position states. Specifically, when the telescopic structure is moved into the electronic device body, that is, the first antenna 120 is retracted into the electronic device body, the first switch 140 disconnects the first transmitting/receiving path 130, and the first antenna 120 does not operate; when the telescopic structure is moved out of the electronic device body, that is, the first antenna 120 extends out of the electronic device body, the first switch 140 is turned on the first transmitting and receiving path 130, the first antenna 120 operates, the radio frequency transceiver 110 sends out a radio frequency signal, the radio frequency signal is transmitted to the first antenna 120 through the first transmitting and receiving path 130 and then transmitted through the first antenna 120, and the first antenna 120 receives the radio frequency signal and transmits the radio frequency signal to the radio frequency transceiver 110 through the first transmitting and receiving path 130.
In the embodiment of the present invention, the first antenna 120 may be a single antenna or an antenna group with multiple antennas according to specific antenna configuration requirements.
In the embodiment of the present invention, the first switch 140 may be a switch tube, a single-pole double-throw switch, or the like, which can turn on or off the first transmitting/receiving path.
For example, in some optional embodiments of the present invention, the electronic device may further include: a load resistor 150; the first switch 140 has a first pin 1 and a second pin 2; the first pin 1 is connected with the first antenna 120, the second pin 2 is connected with the load resistor 150, and the load resistor 150 is connected with the ground terminal; under the condition that the telescopic structure is moved out of the electronic equipment body, the first switch 140 is switched to the first pin 1; under the condition that the telescopic structure moves into the electronic device body, the first switch 140 is switched to the second pin 2. In the embodiment of the present invention, the first switch 140 is switchable between the first pin 1 and the second pin 2, so as to realize that the first antenna 120 has different working states when the telescopic structure is in different position states and different working states when the telescopic structure is in different position states, and in addition, under the condition that the telescopic structure is moved into the electronic device body, the first switch 140 is switched to the second pin 2, so that the first switch is connected to the load resistor 150, and is grounded through the load resistor 150, thereby protecting the rf loop and avoiding damaging devices on the first transmit-receive path 130. Preferably, the first switch 140 can be a single pole double throw switch.
Optionally, in some embodiments of the present invention, to facilitate the control of the first switch 140, the electronic device may further include: and the controller is connected with the first switch 140, receives the trigger instruction, outputs a control signal to the first switch 140 according to the trigger instruction, and controls the first transmitting and receiving path 130 to be switched on or switched off.
Preferably, in order to avoid that the devices on the channel are damaged due to the reflection of the radio frequency signal in the process of turning on and off the first transmit receive path 130, when the telescopic structure is moved out of the electronic device body, the first switch 140 may be controlled to be switched to the first pin 1 of the first switch 140 first, and after the first switch 140 is switched to the first pin 1, the other devices in the first transmit receive path 130 except the first switch 140 are controlled to be started; in the case that the telescopic structure is moved into the electronic device body, the other devices except the first switch 140 in the first transmit receive path 130 may be controlled to be turned off first, and after the other devices are turned off, the first switch 140 may be controlled to be switched to the second pin 2 of the first switch 140. Here, the turning on and off of the first switch 140 may be implemented by controller control, and other devices may also be implemented by controller control, for example, the controller may be a CPU (central processing unit).
In addition, in some optional embodiments of the present invention, the first transmit receive path 130 may include: a first power amplifier 131, a first filter 132, a first low noise amplifier 133, a second filter 134 and a first switch 135, wherein the first switch 135 is connected to the first switch 140, and the first power amplifier 131 and the first filter 132 are sequentially connected in series between the radio frequency transceiver 110 and the first switch 135 in the direction from the radio frequency transceiver 110 to the first switch 135 to form a first transmission path; in the direction from the first switch 135 to the rf transceiver 110, the second filter 134 and the first low noise amplifier 133 are connected in series between the first switch 135 and the rf transceiver 110 to form a first receiving path.
Optionally, in some optional embodiments of the present invention, the electronic device may further include: the second antenna 160, the second antenna 160 is disposed on the electronic device body, and a second transmitting and receiving path 170 is formed between the second antenna 160 and the radio frequency transceiver 110. In the embodiment of the present invention, by providing the second antenna 160 on the electronic device body, the second antenna 160 can operate alone or in cooperation with the first antenna 120.
For example, in the embodiment of the present invention, when the telescopic structure is removed from the electronic device body, the second transmitting/receiving path 170 is conducted to operate the second antenna 160, so that the first antenna 120 and the second antenna 170 may form an MIMO (multiple input multiple output) antenna to operate, that is, the first antenna 120 and the second antenna 170 of the electronic device operate in an MIMO mode; when the telescopic structure is moved out of the electronic device body, the second transmitting and receiving path 170 is disconnected, so that the second antenna 160 does not work, and the first antenna 120 works alone; under the condition that the telescopic structure is moved into the electronic equipment body, the first antenna does not work, and at the moment, the second antenna 160 can work independently by conducting through the second transmitting and receiving path 170.
Preferably, in some embodiments of the present invention, the second transceiver path 170 may include: a second power amplifier 171, a third filter 172, a second low noise amplifier 173, a fourth filter 174, a second switch 175, and a second switch 176, wherein the second switch 176 is connected to the second antenna 160, the second switch 175 is connected to the second switch 176, and the second power amplifier 171 and the third filter 172 are sequentially connected in series between the rf transceiver 110 and the second switch 175 in a direction from the rf transceiver 110 to the second switch 135, so as to form a second transmission path; in the direction from the second switch 175 to the rf transceiver 110, the fourth filter 174 and the second low noise amplifier 173 are connected in series between the second switch 175 and the rf transceiver 110 to form a second receiving path.
Optionally, in this embodiment of the present invention, in order to enable the antenna performance of the first antenna 120 and the second antenna 160, the telescopic structure is located in a top region of the electronic device body, and the second antenna 160 is disposed in a bottom region of the electronic device body. Thus, the distance between the first antenna 120 and the second antenna 160 can be maximized, and the transmitting and receiving effects of the first antenna 120 and the second antenna 160 can be improved.
Optionally, in the embodiment of the present invention, the telescopic structure may include at least one of a camera, a fill light, an identification module, and a receiver.
In addition, in the embodiment of the invention, the electronic device can be a mobile phone or a tablet computer. It is understood that the electronic device is not limited to a mobile phone and a tablet Computer, but may be an electronic device such as a Laptop Computer (Laptop Computer) or a Personal Digital Assistant (PDA).
According to the electronic device provided by the embodiment of the invention, the first antenna is arranged on the telescopic structure, the first transmitting and receiving channel is formed between the radio frequency transceiver and the first antenna, the first switch is arranged in the first transmitting and receiving channel, and the first switch conducts the first transmitting and receiving channel under the condition that the telescopic structure is moved out of the electronic device body; under the condition of the flexible structure immigration electronic equipment body, first switch disconnection first transmission receiving path, like this, can reduce the antenna design degree of difficulty to first antenna has different operating condition when flexible structure is in different position states, can reduce the receiving interference of first antenna, thereby promotes the receiving gain of antenna, promotes the efficiency of antenna transmitting signal, makes its received signal effect better.
Referring to fig. 2, which is a schematic flow chart illustrating a control method of an electronic device according to an embodiment of the present invention, the control method of the electronic device according to the embodiment of the present invention is applied to the electronic device, and the control method includes the following steps:
in step 203, if the current position state is that the retractable structure is moved into the electronic device body, the first transmission/reception path is disconnected.
In the embodiment of the invention, in the working process of the electronic equipment, the current position state of the telescopic structure of the electronic equipment is detected, and the current position state can comprise that the telescopic structure moves out of the electronic equipment body and the telescopic structure moves into the electronic equipment body; the first transmitting and receiving channel is controlled to be connected or disconnected based on the detected current position state of the telescopic structure when the telescopic structure is in different position states, so that the first antenna works or does not work, namely the first antenna has different working states based on the telescopic structure when the telescopic structure is in different position states. In addition, under the condition that the current position state of the telescopic structure is that the telescopic structure moves out of the electronic equipment body, the first antenna is controlled to work, and the receiving interference of the first antenna can be reduced, so that the receiving gain of the antenna is improved, the efficiency of transmitting signals by the antenna is improved, and the signal receiving effect is better.
Optionally, in some embodiments of the present invention, in step 202, if the current position state is that the retractable structure is moved out of the electronic device body, the transmitting or receiving of the radio frequency signal through the first transmitting/receiving path may include the following steps: if the current position state is that the telescopic structure moves out of the electronic equipment body, the first switch is controlled to be switched to the first pin of the first switch, and after the first switch is switched to the first pin, other devices except the first switch in the first transmitting and receiving path are started. In the embodiment of the invention, under the condition that the telescopic structure is moved out of the electronic equipment body, the first switch is controlled to be switched to the first pin of the first switch, and then other devices are controlled to be started, so that the device on the channel can be prevented from being damaged due to the reflection of radio frequency signals caused by the switching of the first switch when the other devices work.
Optionally, in some embodiments of the present invention, in step 203, if the current position state is that the telescopic structure is moved into the electronic device body, and the first transmission/reception path is disconnected, the method may include the following steps: if the current position state is that the telescopic structure moves into the electronic equipment body, other devices except the first switch in the first transmitting and receiving channel are closed, and the first switch is controlled to be switched to the second pin of the first switch after the other devices are closed. In the embodiment of the invention, under the condition that the telescopic structure is moved into the electronic equipment body, other devices are controlled to be closed firstly, and then the first switch is controlled to be switched to the second pin of the first switch, so that the device on the channel can be prevented from being damaged due to the reflection of the radio-frequency signal caused by the first switch being closed.
According to the control method of the electronic device, the first transmitting and receiving channel is controlled to be connected or disconnected according to the detected current position state of the telescopic structure and based on the fact that the telescopic structure is in different position states, so that the first antenna works or does not work, namely the first antenna has different working states based on the fact that the telescopic structure is in different position states. And, under the condition that the present position state at extending structure shifts out the electronic equipment body for extending structure, control first antenna work, can reduce the receiving interference of first antenna to promote the receiving gain of antenna, promote the efficiency of antenna emission signal, make its received signal effect better.
It should be appreciated that reference throughout this specification to "one embodiment," "an embodiment," or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the present invention. Thus, the appearances of the phrases "in one embodiment," "in one embodiment," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, elements, structures, or features illustrated in one drawing or one embodiment of the invention may be combined in any suitable manner with elements, structures, or features illustrated in one or more other drawings or embodiments.
It should be noted that, in one or more embodiments herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the present invention may repeat reference numerals and/or letters in the various examples or embodiments. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Moreover, in the embodiments of the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An electronic device, characterized in that the electronic device comprises:
the electronic equipment comprises an electronic equipment body and a telescopic structure arranged in the electronic equipment body;
a radio frequency transceiver;
the first antenna is arranged on the telescopic structure, and a first transmitting and receiving channel is formed between the radio frequency transceiver and the first antenna;
a first switch disposed in the first transmit receive path;
wherein, when the telescopic structure is moved out of the electronic device body, the first switch conducts the first transmitting and receiving path; and under the condition that the telescopic structure moves into the electronic equipment body, the first switch disconnects the first transmitting and receiving channel.
2. The electronic device of claim 1, further comprising: a load resistance;
the first switch is provided with a first pin and a second pin;
the first pin is connected with the first antenna, the second pin is connected with the load resistor, and the load resistor is connected with a ground terminal;
under the condition that the telescopic structure is moved out of the electronic equipment body, the first switch is switched to the first pin; and under the condition that the telescopic structure moves into the electronic equipment body, the first switch is switched to the second pin.
3. The electronic device of claim 1, further comprising:
and the controller is connected with the first switch, receives a trigger instruction, outputs a control signal to the first switch according to the trigger instruction, and controls the first transmitting and receiving channel to be switched on or switched off.
4. The electronic device of claim 1, further comprising: and the second antenna is arranged on the electronic equipment body, and a second transmitting and receiving channel is formed between the second antenna and the radio frequency transceiver.
5. The electronic device of claim 4, wherein the retractable structure is located at a top region of the electronic device body, and the second antenna is disposed at a bottom region of the electronic device body.
6. The electronic device according to claim 4, wherein when the retractable structure is moved out of the electronic device body, the second transmission/reception path is conducted, and the first antenna and the second antenna operate in a multiple-input multiple-output (MIMO) mode.
7. The electronic device of claim 1, wherein the retractable structure comprises at least one of a camera, a fill light, an identification module, and a receiver.
8. A control method of an electronic device, applied to the electronic device according to any one of claims 1 to 7, the control method comprising:
detecting the current position state of the telescopic structure;
if the current position state is that the telescopic structure moves out of the electronic equipment body, the first transmitting and receiving channel is conducted, and radio frequency signals are transmitted or received through the first transmitting and receiving channel;
and if the current position state is that the telescopic structure moves into the electronic equipment body, disconnecting the first transmitting and receiving channel.
9. The method according to claim 8, wherein the transmitting or receiving radio frequency signals through the first transmitting/receiving path if the current position status is that the retractable structure is moved out of the electronic device body comprises:
and if the current position state is that the telescopic structure moves out of the electronic equipment body, controlling the first switch to be switched to the first pin of the first switch, and starting other devices except the first switch in the first transmitting and receiving channel after the first switch is switched to the first pin.
10. The method according to claim 8, wherein the step of disconnecting the first transceiver path if the current position state is that the retractable structure is moved into the electronic device body comprises:
if the current position state is that the telescopic structure moves into the electronic equipment body, other devices except the first switch in the first transmitting and receiving channel are closed, and the first switch is controlled to be switched to the second pin of the first switch after the other devices are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040074.7A CN110809074B (en) | 2019-10-29 | 2019-10-29 | Electronic equipment and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040074.7A CN110809074B (en) | 2019-10-29 | 2019-10-29 | Electronic equipment and control method thereof |
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| CN110809074A true CN110809074A (en) | 2020-02-18 |
| CN110809074B CN110809074B (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244633A (en) * | 2020-03-23 | 2020-06-05 | 维沃移动通信有限公司 | Antenna device and electronic apparatus |
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| CN1198601A (en) * | 1996-11-18 | 1998-11-11 | 日本电气株式会社 | Inner and outer antenna structure for portable remote terminal equipment |
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| CN104852713A (en) * | 2014-02-18 | 2015-08-19 | Acco公司 | Switch Controls |
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| CN110809074B (en) | 2021-11-05 |
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