CN110174961B - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
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- CN110174961B CN110174961B CN201910471681.2A CN201910471681A CN110174961B CN 110174961 B CN110174961 B CN 110174961B CN 201910471681 A CN201910471681 A CN 201910471681A CN 110174961 B CN110174961 B CN 110174961B
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- pressure
- key module
- mobile terminal
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- circuit board
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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
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0362—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
- G06F3/0383—Signal control means within the pointing device
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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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- 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
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a mobile terminal which comprises a shell, wherein the shell comprises a front cover, a rear cover and a middle frame arranged between the front cover and the rear cover, a display screen is arranged on the front cover, a first key module is arranged on the middle frame, the first key module senses first pressure applied to the middle frame and generates a first pressing signal according to the first pressure, a second key module is arranged on the rear cover, the second key module senses second pressure applied to the rear cover and generates a second pressing signal according to the second pressure, the first key module and the second key module are both positioned in the shell, the first key module and the second key module are respectively connected with a control module of the mobile terminal, and the control module responds according to the first pressing signal and the second pressing signal. The scheme can improve the triggering accuracy of the functional device in the mobile terminal.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a mobile terminal.
Background
With the continuous development of the mobile terminal industry, people have higher and higher design requirements on the mobile terminal. The key module can sense a pressing signal applied by a user, and the pressing signal can trigger various functional devices of the mobile terminal to realize various functions of the mobile terminal, so that the key module is an important human-computer interaction part.
In the conventional technology, a hole can be formed in a housing of the mobile terminal, at least a part of a key of the key module is accommodated in the hole, and a user can press the key to output a pressing signal. However, the opening of the casing may deteriorate the uniformity of the appearance of the casing and also may cause a reduction in the structural strength of the casing, which may be easily damaged. In order to solve the problem, the key module can be set to be a hidden structure, that is, the key module is arranged in the housing, and a user can press a part of the housing corresponding to the key module, so that a pressing signal can be transmitted to the key module through the part, and further, the working state of a functional device of the mobile terminal is controlled.
However, since the housing of the mobile terminal generally includes a plurality of parts, for example, the housing may include a middle frame and a rear cover, when the user presses the middle frame, a valid pressing signal may be output, and if the user presses the rear cover, the rear cover may transmit an invalid pressing signal to the key module, which may cause the functional device to be triggered by mistake.
Disclosure of Invention
The invention discloses a mobile terminal, which aims to solve the problem that a functional device of the mobile terminal is easily triggered by mistake.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a mobile terminal, includes the casing, the casing include protecgulum, back lid and set up in the protecgulum with center between the back lid, be equipped with the display screen on the protecgulum, be equipped with first button module on the center, first button module response the first pressure that the center received and produce first pressing signal according to this first pressure, back is covered and is equipped with the second button module, the second button module response the second pressure that the back lid received and produce the second according to this second pressure and press the signal, first button module with the second button module all is located in the casing, first button module with the second button module respectively with mobile terminal's control module group links to each other, the control module group according to first pressing signal with the second pressing signal responds.
Preferably, the first key module is disposed adjacent to the second key module, the first key module faces the middle frame, and the second key module faces the rear cover.
Preferably, at least one of the first key module and the second key module is a pressure type key module, and the pressure type key module includes a circuit board and a pressure chip, and the pressure chip is mounted on the circuit board.
Preferably, the pressure type key module further comprises an elastic member, the elastic member abuts against the pressure chip, and the pressure chip is located between the elastic member and the circuit board.
Preferably, the number of the pressure chips and the number of the elastic members are at least two, the pressure chips are arranged at intervals, and the elastic members are arranged at intervals corresponding to the pressure chips.
Preferably, two adjacent elastic pieces are connected by a strip-shaped connecting part.
Preferably, the elastic element includes a body portion abutting against the pressure chip and an extension portion connected to the body portion, the extension portion extends from an edge of the body portion to the circuit board, and a first preset distance is provided between the extension portion and the circuit board.
Preferably, the extension portion is an annular structure, the extension portion surrounds the pressure chip, and the extension portion and the pressure chip are spaced by a second preset distance.
Preferably, the pressure type key module further comprises a reinforcing plate, the reinforcing plate is connected with the circuit board, and the reinforcing plate is located on one side of the circuit board, which deviates from the pressure chip.
Preferably, the pressure type key module further comprises an assembly part, and the assembly part is respectively connected with the reinforcing plate and the middle frame.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the mobile terminal comprises a first key module and a second key module, wherein the first key module can sense first pressure applied to a middle frame and generate a first pressing signal according to the first pressure, the second key module can sense second pressure applied to a rear cover and generate a second pressing signal according to the second pressure, and whether an effective pressing signal exists or not can be known by comparing the first pressing signal with the second pressing signal, so that the working state of a functional device of the mobile terminal is controlled. Therefore, the scheme can improve the triggering accuracy of the functional device in the mobile terminal.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a partial structure of a mobile terminal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pressure-type key module in the mobile terminal according to the embodiment of the present invention;
fig. 3 is an exploded view of the pressure-type key module shown in fig. 2;
fig. 4 is a cross-sectional view of the pressure type key module shown in fig. 2.
Description of reference numerals:
100-shell, 110-front cover, 120-middle frame, 130-rear cover, 201-first key module, 202-second key module, 210-circuit board, 220-pressure chip, 230-elastic element, 231-body part, 232-extension part, 240-bar-shaped connecting part, 250-reinforcing plate, 260-double-sided adhesive tape, 270-assembly part and 300-display screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, an embodiment of the invention discloses a mobile terminal, which includes a housing 100, a first key module 201, a second key module 202, and a display screen 300.
The housing 100 is a mounting base for other components in the mobile terminal, and at least a portion of the housing 100 may serve as an exterior component of the mobile terminal. In a specific embodiment, the casing 100 may include a front cover 110, a middle frame 120, and a rear cover 130, and the front cover 110 and the rear cover 130 are respectively installed at opposite sides of the middle frame 120, i.e., the middle frame 120 is located between the front cover 110 and the rear cover 130. In addition, the middle frame 120 may include a bezel, which may be disposed in a circle along a side of the mobile terminal. The display screen 300 may be mounted on the front cover 110 and located between the front cover 110 and the middle frame 120, and the front cover 110 may be a glass cover.
The first key module 201 and the second key module 202 are used for sensing a pressure applied by a user, generating a pressing signal according to the corresponding pressure, and controlling an operating state of a functional device (not shown in the figure) of the mobile terminal according to the pressing signal. In order to improve the appearance consistency of the mobile terminal and the structural strength of the housing 100, the first key module 201 and the second key module 202 are both located in the housing 100, and therefore, no opening is required on the housing 100 to accommodate at least a portion of the first key module 201 and the second key module 202. The first key module 201 is disposed on the middle frame 120, and the second key module 202 is disposed on the rear cover 130. That is, the first key module 201 and the second key module 202 are disposed at different positions of the housing 100, when the user presses the middle frame 120, the first key module 201 can sense a first pressure applied to the middle frame 120 and generate a first pressing signal according to the first pressure, and when the user presses the rear cover 130, the second key module 202 can sense a second pressure applied to the rear cover 130 and generate a second pressing signal according to the second pressure. The first key module 201 and the second key module 202 are respectively connected to a control module of the mobile terminal, and the control module may respond according to the first pressing signal and the second pressing signal, for example, compare the magnitudes of the first pressing signal and the second pressing signal, and control the working state of the corresponding functional device according to the comparison result.
In the middle frame 120 corresponding to the first key module 201 and the rear cover 130 corresponding to the second key module 202, only one of the pressing signals generated by pressing is an effective signal, so that whether the effective signal exists can be known by comparing the magnitude of the first pressing signal generated by the first key module 201 and the magnitude of the second pressing signal generated by the second key module 202, and accordingly, the working state of the functional device of the mobile terminal is controlled. Therefore, the scheme can improve the triggering accuracy of the functional device in the mobile terminal and prevent the functional device of the mobile terminal from being triggered by mistake.
Specifically, the first pressing signal generated by pressing the middle frame 120 is taken as the effective signal, and if the first pressing signal generated by the first key module 201 is greater than or substantially equal to the second pressing signal generated by the second key module 202, it can be determined that the effective signal exists at this time, and the corresponding functional device of the mobile terminal is triggered to enter the working state; if the first pressing signal generated by the first key module 201 is smaller than the second pressing signal generated by the second key module 202, it can be determined that there is no valid signal, but the user mistakenly presses the rear cover 130, and the corresponding functional device of the mobile terminal is not triggered. And vice versa, and will not be described in detail herein.
When the housing 100 includes the middle frame 120 and the rear cover 130, the first key module 201 may be disposed adjacent to the second key module 202, and the first key module 201 faces the middle frame 120, and more specifically, the first key module 201 may face the frame of the middle frame 120. The second key module 202 faces the rear cover 130. After the arrangement, the distance between the first key module 201 and the second key module 202 can be controlled within a smaller range, and the distance between the first key module 201 and the middle frame 120, and the distance between the second key module 202 and the rear cover 130 can also be controlled within a smaller range, so that on one hand, an effective pressing signal can be sensed more sensitively, and on the other hand, a false triggering condition can be determined more accurately.
The first key module 201 and the second key module 202 can detect the pressing signal in various ways, for example, the first key module 201 and the second key module 202 can include steel sheets, and the steel sheets can generate curvature deformation after the housing 100 is pressed, so as to detect the pressing signal. However, the sensitivity of this method is low, and when the material of the housing 100 is hard or the display screen 300 of the mobile terminal is a curved screen, the small deformation generated when the user presses the housing 100 cannot be recognized, and thus an accurate pressing signal cannot be obtained, or even the pressing signal cannot be detected. In order to solve this problem, at least one of the first key module 201 and the second key module 202 may be configured as a pressure-type key module, the pressure-type key module includes a circuit board 210 and a pressure chip 220, and the pressure chip 220 is mounted on the circuit board 210. The Circuit board 210 may be electrically connected to a main board of the mobile terminal, and the Circuit board 210 may specifically adopt an FPC (Flexible Printed Circuit, Flexible Circuit board 210); the pressure chip 220 can directly detect the magnitude of the pressure, and the pressure chip 220 can detect the pressing signal even if the deformation of the middle frame 120 and the rear cover 130 is relatively small. This structure can promote the detection precision of pressing the signal on the one hand, and on the other hand also can make the user press the dynamics of casing 100 and suitably reduce, and then the experience when promoting the user and using mobile terminal.
Optionally, in order to enhance the above effect, the first key module 201 and the second key module 202 may be configured as a pressure type key module. Further, in order to simplify the structure of the mobile terminal, the first key module 201 and the second key module 202 may adopt pressure-type key modules with the same structure.
In a further embodiment, the pressure type key module may further include an elastic member 230, the elastic member 230 abuts against the pressure chip 220, and the pressure chip 220 is located between the elastic member 230 and the circuit board 210. The elastic member 230 and the pressure chip 220 may not be connected by a connector, but only contact with each other, and after the mobile terminal is assembled, the elastic member 230 and the pressure chip 220 are pressed by the housing 100 and other components and then are attached together, so that the elastic member 230 and the pressure chip 220 have a large contact area. When the user presses the housing 100, the elastic member 230 may deform to always maintain a larger contact area with the pressure chip 220, so that the pressing signal is more accurately transmitted to the pressure chip 220, and thus the detection accuracy of the pressing signal is higher, and the pressure chip 220 is not easily damaged due to an excessive local stress.
In order to facilitate the user to use the mobile terminal, the areas on the middle frame 120 and the rear cover 130 that can be pressed by the user are usually large, so that when the pressing force of the user acts in a relatively large range, both the first key module 201 and the second key module 202 can obtain corresponding pressing signals, so as to control the working state of the functional device. For this, the number of the pressure chips 220 and the elastic members 230 may be at least two, the pressure chips 220 are arranged at intervals, and the elastic members 230 are arranged at intervals corresponding to the pressure chips 220. No matter where the user presses the middle frame 120 and the rear cover 130, the corresponding pressure chip 220 and the elastic member 230 can obtain a pressing signal. It should be noted that, the specific number of the pressure chips 220 and the elastic members 230 can be flexibly selected according to the actual situation of the mobile terminal, and the present disclosure is not limited thereto.
Alternatively, the plurality of elastic members 230 may be connected to each other or not. In contrast, when the elastic members 230 are connected to each other, the operation of assembling the mobile terminal is simpler, and therefore, it is preferable that two adjacent elastic members 230 are connected by the bar-shaped connection part 240 according to an embodiment of the present invention. The strip connecting portion 240 and the elastic member 230 may be made of the same material or different materials, and in order to reduce the manufacturing cost of the pressure type key module, the strip connecting portion 240 and the elastic member 230 are preferably made of the same material according to the embodiment of the present invention. Alternatively, the strip-shaped connecting portion 240 and the elastic member 230 may be made of a silicone material, and both are integrally formed.
In an alternative embodiment, as shown in fig. 4, the elastic element 230 may include a body portion 231 abutting against the pressure chip 220 and an extension portion 232 connected to the body portion 231, the extension portion 232 extends from an edge of the body portion 231 toward the circuit board 210, and the extension portion 232 and the circuit board 210 are spaced apart by a first predetermined distance, so that the elastic element 230 has a certain space to move relative to the circuit board 210 after being pressed, thereby preventing the elastic element 230 from interfering with the circuit board 210 to affect the accuracy of the detection result and the lifetime of the pressure type key module. The extension 232 can isolate the pressure chip 220 from other components, so as to prevent the other components in the housing 100 from colliding with the pressure chip 220 when the mobile terminal is dropped, and the like, thereby protecting the pressure chip 220.
The extension 232 may be disposed only on a part of the edge of the body 231, but in order to improve the protection effect of the extension 232 on the pressure chip 220, the extension 232 may be disposed in an annular structure, and the extension 232 surrounds the pressure chip 220, so as to prevent the pressure chip 220 from colliding with other components in more directions.
In addition, the extension portion 232 and the pressure chip 220 may be spaced apart by a second predetermined distance, when the elastic member 230 is pressed, the extension portion 232 may be deformed relative to the pressure chip 220, and the second predetermined distance may prevent the extension portion 232 from directly contacting the pressure chip 220, so as to prevent the pressure chip 220 from being interfered by the extension portion 232 when detecting the pressing signal. Therefore, the detection precision of the pressure type key module can be improved by the arrangement.
It should be noted that, the first preset distance and the second preset distance may be flexibly selected according to the actual situation of the mobile terminal, and the present disclosure does not limit this.
In order to enhance the structural strength of the pressure-type key module, the pressure-type key module in the embodiment of the present invention further includes a reinforcing plate 250, the reinforcing plate 250 is connected to the circuit board 210, and the reinforcing plate 250 is located on a side of the circuit board 210 away from the pressure chip 220. Alternatively, the reinforcing plate 250 may be attached to the circuit board 210 by a connector such as a double-sided tape 260. Further, the press type key module may further include a fitting member 270, and the fitting member 270 is connected to the reinforcing plate 250 and the middle frame 120, respectively. In other words, the entire pressure-type key module can be mounted on the middle frame 120 through the assembly member 270, and the structure of the assembly member 270 can be better adapted to the middle frame 120, so as to improve the connection strength between the pressure-type key module and the middle frame 120. Alternatively, the fitting 270 may be bonded to the middle frame 120, or may be fixed to the housing 100 by a screw fastener, a rivet, or the like.
The mobile terminal disclosed by the embodiment of the invention can be a smart phone, a tablet computer, an electronic book reader or a wearable device. Of course, the mobile terminal may also be other devices, and the embodiment of the present invention is not limited thereto.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a mobile terminal, its characterized in that, includes the casing, the casing include protecgulum, back lid and set up in the protecgulum with center between the back lid, be equipped with the display screen on the protecgulum, be equipped with first button module on the center, first button module response the first pressure that the center received and produce first pressing signal according to this first pressure, be equipped with second button module on the back lid, second button module response the second pressure that the back lid received and produce the second according to this second pressure and press the signal, first button module with second button module all is located in the casing, first button module with second button module respectively with mobile terminal's control module links to each other, the control module according to first pressing signal with the second pressing signal responds.
2. The mobile terminal of claim 1, wherein the first key module is disposed adjacent to the second key module, the first key module faces the middle frame, and the second key module faces the rear cover.
3. The mobile terminal of claim 1, wherein at least one of the first key module and the second key module is a pressure-type key module, and the pressure-type key module comprises a circuit board and a pressure chip, and the pressure chip is mounted on the circuit board.
4. The mobile terminal of claim 3, wherein the pressure type key module further comprises an elastic member, the elastic member abuts against the pressure chip, and the pressure chip is located between the elastic member and the circuit board.
5. The mobile terminal according to claim 4, wherein the number of the pressure chips and the number of the elastic members are at least two, each of the pressure chips is arranged at intervals, and each of the elastic members is arranged at intervals corresponding to each of the pressure chips.
6. The mobile terminal according to claim 5, wherein two adjacent elastic members are connected by a bar-shaped connecting portion.
7. The mobile terminal of claim 4, wherein the elastic member comprises a body abutting against the pressure chip and an extension connected to the body, the extension extends from an edge of the body to the circuit board, and the extension is spaced from the circuit board by a first predetermined distance.
8. The mobile terminal of claim 7, wherein the extension is an annular structure, the extension surrounds the pressure chip, and the extension is spaced apart from the pressure chip by a second predetermined distance.
9. The mobile terminal of claim 3, wherein the pressure type key module further comprises a stiffener, the stiffener is connected to the circuit board, and the stiffener is located on a side of the circuit board away from the pressure chip.
10. The mobile terminal of claim 9, wherein the pressure key module further comprises assembling members respectively connected to the reinforcing plate and the middle frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471681.2A CN110174961B (en) | 2019-05-31 | 2019-05-31 | Mobile terminal |
| PCT/CN2020/084924 WO2020238456A1 (en) | 2019-05-31 | 2020-04-15 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471681.2A CN110174961B (en) | 2019-05-31 | 2019-05-31 | Mobile terminal |
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| CN110174961A CN110174961A (en) | 2019-08-27 |
| CN110174961B true CN110174961B (en) | 2021-11-23 |
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| CN201910471681.2A Active CN110174961B (en) | 2019-05-31 | 2019-05-31 | Mobile terminal |
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| WO (1) | WO2020238456A1 (en) |
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|---|---|---|---|---|
| CN110174961B (en) * | 2019-05-31 | 2021-11-23 | 维沃移动通信有限公司 | Mobile terminal |
| CN110673757B (en) * | 2019-09-12 | 2023-03-10 | 维沃移动通信有限公司 | Electronic device |
| CN112637384A (en) * | 2019-09-24 | 2021-04-09 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN110662383B (en) * | 2019-09-29 | 2021-11-23 | 维沃移动通信有限公司 | Electronic device |
| CN112671954B (en) * | 2019-10-15 | 2023-04-14 | Oppo广东移动通信有限公司 | Electronic device |
| CN111447761B (en) * | 2020-03-27 | 2021-09-14 | 维沃移动通信有限公司 | Electronic device |
| CN113539722A (en) * | 2021-07-14 | 2021-10-22 | 维沃移动通信有限公司 | Key module and electronic equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110174961A (en) | 2019-08-27 |
| WO2020238456A1 (en) | 2020-12-03 |
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