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CN106486811A - Electroconductive elastic sheet and the electronic equipment being provided with this electroconductive elastic sheet - Google Patents

Electroconductive elastic sheet and the electronic equipment being provided with this electroconductive elastic sheet Download PDF

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Publication number
CN106486811A
CN106486811A CN201611093088.1A CN201611093088A CN106486811A CN 106486811 A CN106486811 A CN 106486811A CN 201611093088 A CN201611093088 A CN 201611093088A CN 106486811 A CN106486811 A CN 106486811A
Authority
CN
China
Prior art keywords
groove
limiting
elastic sheet
conductive
entering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611093088.1A
Other languages
Chinese (zh)
Inventor
李�杰
刘华伟
韩志磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201611093088.1A priority Critical patent/CN106486811A/en
Publication of CN106486811A publication Critical patent/CN106486811A/en
Priority to PCT/CN2017/094153 priority patent/WO2018099104A1/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2414Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2428Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using meander springs

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  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The present invention provides a kind of electroconductive elastic sheet and the electronic equipment being provided with this electroconductive elastic sheet, and electroconductive elastic sheet therein includes the fixed part of horizontal structure and the elastic arm of force of fixed part elastic connection, and the limiting section being located at elastic arm of force end;The fixed block that oriented limiting section direction is dug is arranged on fixed part, is provided with spacing draw-in groove in fixed block;It is provided with the spacing dop of " T " shape structure in the end of limiting section, including the extension constituting "T"-shaped horizontal holding section and be connected perpendicular to holding section and with the elastic arm of force, spacing draw-in groove is " ⊥ " the shape structure being adapted with spacing dop, including the horizontal entrance groove constituting " ⊥ " shape with perpendicular to the stopper slot entering groove;Spacing dop is configured in holding section by entering after groove passes through, and moves upwards, extension is fastened in stopper slot in the presence of the elastic arm of force.It is able to ensure that electroconductive elastic sheet stable performance using foregoing invention, conforming product rate is high.

Description

Conductive elastic sheet and electronic equipment provided with same
Technical Field
The invention relates to the technical field of electronic products, in particular to a conductive elastic sheet and electronic equipment with the conductive elastic sheet.
Background
At present, part of electronic equipment needs to be in contact with a client terminal bonding pad through a spring plate to conduct electricity so as to realize the conduction of an internal circuit and an external circuit of the electronic equipment, and the spring plate has small elasticity and poor stability, which is a great problem at present. The existing after-loading elastic sheet is extremely easy to cause the hook and the hanging door of the elastic sheet to be separated due to improper operation in the transportation process or the production line using process, the reliability of the elastic sheet is low, the product is seriously failed, and the reject ratio is high.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a conductive elastic sheet and an electronic device having the conductive elastic sheet, so as to solve the problems of low reliability of the conventional elastic sheet and unstable product quality.
According to one aspect of the present invention, a conductive elastic sheet is provided, which includes a fixing portion of a horizontal structure, an elastic arm elastically connected to the fixing portion, and a limiting portion located at an end of the elastic arm; a fixed block turned up towards the limiting part is arranged on the fixed part, and a limiting clamping groove is arranged in the fixed block; the end part of the limiting part is provided with a limiting chuck of a T-shaped structure, the limiting chuck comprises a transverse clamping part forming a T shape and an extending part which is perpendicular to the clamping part and connected with the elastic force arm, the limiting clamping groove is of an inverted T-shaped structure matched with the limiting chuck, and comprises a transverse inlet groove forming an inverted T shape and a limiting groove perpendicular to the inlet groove; the limiting chuck is configured to move upwards under the action of the elastic force arm after the clamping part passes through the entering groove, and the extending part is clamped in the limiting groove.
Preferably, the extending portion has a downwardly bent portion, and the fixing portion is provided with an escape groove for escaping from the downwardly bent portion.
In addition, the preferred scheme is that the avoiding groove is communicated with the entering groove, the avoiding groove and the limiting groove are respectively arranged at two sides of the entering groove, and the avoiding groove, the entering groove and the limiting groove are formed by once material removal.
In addition, the maximum size of the limiting chuck is preferably smaller than the size of the entering groove and larger than the size of the limiting groove.
In addition, the preferred scheme is that a bending part of an arc-shaped structure is arranged between the fixing part and the elastic force arm, and an elastic sheet contact of the arc-shaped structure is arranged between the elastic force arm and the limiting part; the elastic sheet contact is used for being connected and conducted with an external circuit.
In addition, the preferred scheme is that a bent foot structure is arranged in the middle of the elastic force arm, and the bent foot structure is used for stable transition between the elastic sheet contact and the bent part.
In addition, the preferred scheme is that the conductive elastic sheet is of an integrally formed structure.
According to another aspect of the present invention, there is provided an electronic device, comprising a device housing, an internal circuit, and the conductive elastic sheet; the conductive elastic sheet is fixed on the equipment shell and used for connecting the internal circuit with the external terminal welding pad.
In addition, the preferred scheme is that the fixed part of the conductive elastic sheet is fixed in the side wall of the equipment shell in an injection molding mode.
In addition, it is preferable that the electronic device is a speaker or a receiver.
By utilizing the conductive elastic sheet and the electronic equipment provided with the conductive elastic sheet, the limiting clamping grooves and the corresponding limiting clamping heads are arranged at the positions of the original elastic sheet hook and the hanging door, and the two free ends of the elastic sheet are firmly combined through the mutual buckling of the limiting clamping grooves and the limiting clamping heads, so that the elastic sheet is simple in structure, high in reliability and stable in product performance.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is a schematic structural diagram of a first conductive spring state according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a second conductive elastic sheet state according to an embodiment of the invention.
Wherein the reference numerals include: the device comprises a fixing part 1, an avoiding groove 11, an elastic arm 2, a limiting chuck 3, a fixing block 4, a limiting clamping groove 5, an entering groove 51, a limiting groove 52, a bending part 6 and an elastic sheet contact 7.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
In order to describe the conductive elastic piece and the electronic device provided with the conductive elastic piece in detail, embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 and fig. 2 respectively show schematic structures of a conductive dome according to an embodiment of the present invention in two different states.
As shown in fig. 1 and fig. 2, the conductive elastic sheet according to the embodiment of the present invention includes a fixing portion 1 having a horizontal structure, an elastic arm 2 elastically connected to the fixing portion 1, and a limiting portion disposed at an end of the elastic arm 2; the fixing part 1 is provided with a fixing block 4 turned up towards the limiting part, the middle position of the fixing block is provided with a limiting clamping groove 5, the end part of the limiting part is provided with a limiting clamping head 3 of a T-shaped structure, and the limiting clamping head 3 is buckled in the corresponding limiting clamping groove 5, so that two free ends (the limiting part and the fixing part) of the elastic sheet are buckled and connected.
The limiting clamping head 3 further comprises a transverse clamping part forming a T shape and an extending part which is perpendicular to the clamping part and connected with the elastic force arm, and the limiting clamping groove is of an inverted T-shaped structure matched with the limiting clamping head and comprises a transverse inlet groove 51 forming an inverted T shape and a limiting groove 52 perpendicular to the inlet groove 51; the limiting chuck is configured to move upwards under the action of the elastic arm after the chuck passes through the entering groove 51, and the extending part is clamped in the limiting groove 52.
Specifically, fig. 1 shows a state before the limiting chuck 3 and the limiting clamping groove 5 of the conductive elastic sheet are not buckled according to the embodiment of the invention; fig. 2 shows a state after the limiting chuck 3 of the conductive elastic sheet is fastened with the limiting clamping groove 5 according to the embodiment of the invention.
In a specific embodiment of the present invention, the limiting clamping groove 5 is an inverted-t-shaped structure, and includes an entering groove 51 and a limiting groove 52, the extending portion has a downward bent portion bent downward, and the fixing portion is provided with an avoiding groove 11 for avoiding the downward bent portion; in other words, in order to smoothly limit the limit chuck 3 in the limit chuck slot 5, the horizontal escape groove 11 is provided at the end of the fixing portion 1 contacting the fixing block 4, the entering groove 51 communicates with the escape groove 11, the limit groove 52 is provided at the side of the entering groove 51 near the limit portion, and the cross-sectional width of the limit groove 52 is smaller than the cross-sectional width of the entering groove 51.
In addition, spacing portion includes extension with the elastic force arm 2 fixed connection and is located extension one end and the perpendicular spacing dop 3 that sets up with the extension, and spacing dop 3 corresponds the setting with entering groove 51, when carrying out the lock joint to conductive elastic sheet, under the effect of dodging groove 11, spacing dop 3 gets into spacing draw-in groove 5 from the entering groove 51 that corresponds in, then under the elastic force effect of the elastic force arm 2, upward movement and card are in spacing groove 52. In order to ensure the limiting function of the limiting clamping groove 5 on the limiting clamping head 3, in the conductive elastic sheet of the invention, the maximum size of the limiting clamping head 3 is smaller than the size of the entering groove 51 and larger than the size of the limiting groove 52, so that the limiting clamping head is ensured to smoothly pass through the entering groove 51 and be limited in the limiting groove 52.
It should be noted that, because the entering groove 51 and the avoiding groove 11 are mutually communicated, and the avoiding groove 11 and the limiting groove 52 are respectively arranged on two sides of the entering groove 51, so that the limiting clamping groove 5 forms an approximately cross-shaped structure, in order to simplify the manufacturing process of the conductive elastic sheet, the limiting clamping groove 5 of the embodiment of the present invention can be directly set to be the cross-shaped structure, the avoiding groove 11, the entering groove 51 and the limiting groove 52 are formed by taking materials at one time, in the installation process, the limiting clamping head 3 enters the limiting clamping groove 5 from the corresponding entering groove 51, and then moves upwards and is clamped in the limiting groove 52 under the elastic force of the elastic force arm 2. At this time, when the conductive elastic sheet is pressed down by an external force, the separation of the limit chuck 3 from the entering groove 51 can be effectively avoided.
In another embodiment of the present invention, the size of the fixing block 4 is smaller than that of the fixing portion 1, and the fixing block 4 is a vertical structure formed by bending upward from the fixing portion 1, that is, the fixing block 4 is perpendicular to the fixing portion 1, before the limit chuck 3 of the conductive elastic sheet and the fixing block 4 are not fastened, the limit chuck 3 is in a free state and is located on one side of the fixing block 4 close to the elastic force arm 2, and after the conductive elastic sheet is fastened, the limit chuck 3 is fixed on one side of the fixing block 4 far away from the elastic force arm 2 in a limiting manner, so that the fastening between two free ends of the conductive elastic sheet is realized.
In addition, still be provided with the kink 6 of arc structure between fixed part 1 and the elastic force arm 2, be provided with the shell fragment contact 7 of arc structure between the elastic force arm 2 and spacing portion, when electrically conductive shell fragment switches on with outside electronic equipment, shell fragment contact 7 and terminal equipment's pad direct contact to switch on of external circuit in the electronic equipment is realized through electrically conductive shell fragment, perhaps realizes switching on between electronic equipment and the corresponding terminal equipment.
It should be noted that, in order to shorten the length of the elastic force arm 2 of the conductive elastic sheet and increase the elastic force of the conductive elastic sheet, the conductive elastic sheet according to the embodiment of the present invention may further include a bent structure (not shown in the figure) disposed at the middle of the elastic force arm 2, and the bent structure not only can achieve a stable transition between the elastic sheet contact and the bent portion, but also can support the elastic force arm, thereby ensuring a reliable connection between the conductive elastic sheet and an external circuit.
In another embodiment of the present invention, the conductive elastic sheet is an integrally formed structure, and the fixing portion 1 of the conductive elastic sheet is embedded in the corresponding external electronic device by injection molding or is fixed to the external electronic device by a fastener or the like, so as to effectively enhance the elasticity and reliability of the conductive elastic sheet, ensure the long-term, stable and effective conduction of the external circuit in the corresponding electronic device, thereby improving the product quality and prolonging the service life of the product.
Corresponding to the conductive elastic sheet, the invention also provides an electronic device, which comprises a device shell, an internal circuit and the conductive elastic sheet; the conductive elastic sheet is fixed on the equipment shell and used for connecting the internal circuit with the external terminal welding pad.
Specifically, the conductive elastic sheet comprises a fixing part with a horizontal structure, an elastic force arm elastically connected with the fixing part, and a limiting part arranged at the end part of the elastic force arm; the fixing part is provided with a fixing block turned up towards the limiting part, the middle position of the fixing block is provided with a limiting clamping groove, the end part of the limiting part is provided with a limiting clamping head of a T-shaped structure, and the limiting clamping head is buckled in the corresponding limiting clamping groove, so that the limiting part and the fixing part of the elastic sheet are buckled and connected.
In one embodiment of the invention, the fixing part of the conductive elastic sheet is fixed in the side wall of the equipment shell by injection molding.
It should be noted that the conductive elastic sheet structure of the present invention can be applied to a speaker, a receiver and similar electronic products provided with elastic sheets, and the two free ends of the conductive elastic sheet are provided with the limiting chucks and the corresponding limiting clamping grooves, so as to prevent the limiting part and the fixing part of the conductive elastic sheet from being separated from each other due to the action of external force, improve the reliability of the conductive elastic sheet, and ensure the stability of the contact between the conductive elastic sheet and the client product.
A detailed description will be given below of a specific embodiment in which the electronic device is a speaker.
In one embodiment of the invention, the speaker comprises a single shell and a conductive elastic sheet which is fixed on the single shell and is used for connecting an external circuit and an internal circuit of the speaker. The conductive elastic sheet comprises a fixing part with a horizontal structure, an elastic force arm elastically connected with the fixing part, and a limiting part arranged at the end part of the elastic force arm; the fixing part is provided with a fixing block which is vertically turned up towards the limiting part, the middle part of the fixing block is provided with a limiting clamping groove, the end part of the limiting part is provided with a limiting clamping head of a T-shaped structure, and the limiting clamping head is buckled in the corresponding limiting clamping groove.
Specifically, the conductive elastic sheet further comprises a bending part of the arc-shaped structure arranged between the fixing part and the elastic force arm, and an elastic sheet contact of the arc-shaped structure arranged between the elastic force arm and the limiting part. In other words, the conductive elastic sheet comprises a fixed part, a bent part, an elastic arm of force, an elastic sheet contact and a limiting part which are arranged in sequence, and the limiting part and the fixed part are buckled and fixed through a corresponding limiting clamping head and a limiting clamping groove.
The loudspeaker of the embodiment of the invention also comprises a vibration system and a magnetic circuit system which are accommodated in the single shell; wherein, the vibration system further comprises a vibrating diaphragm and a voice coil fixed on one side of the vibrating diaphragm; the magnetic circuit system comprises a magnetic conducting yoke, a magnet fixed at the center of the magnetic conducting yoke and a washer positioned on one side of the magnet far away from the magnetic conducting yoke; the magnetic guide yoke is fixedly connected with the single shell, so that the vibration system is accommodated in the single shell.
Wherein, the fixed part of electrically conductive shell fragment is moulded plastics and is inlayed and establish on the lateral wall terminal surface of monomer shell, and electrically conductive shell fragment switches on with the lead wire and the outside terminal pad of voice coil loudspeaker voice coil simultaneously, realizes switching on of outside circuit in the speaker monomer, and it is outdated that voice coil loudspeaker voice coil when being in magnetic field has the audio current to flow, can receive an alternating driving force and produce the alternating motion to drive the vibrating diaphragm vibration, and then promote the air repeatedly and the sound production.
According to the conductive elastic sheet and the electronic equipment provided with the conductive elastic sheet, the limiting clamp head of the T-shaped structure is arranged at the limiting part of the conductive elastic sheet, the limiting clamp groove corresponding to the limiting clamp head is arranged on the fixing block of the conductive elastic sheet, the limiting clamp head is firmly limited through the limiting clamp groove, the situation that the limiting clamp head is separated from the limiting clamp groove in the transportation process or the production line using process of the conductive elastic sheet can be effectively avoided, the reliability and the stability of the conductive elastic sheet are improved, and the corresponding electronic equipment is stable in performance and high in qualification rate.
The conductive dome and the electronic device provided with the same according to the present invention are described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications may be made to the conductive elastic sheet and the electronic device provided with the conductive elastic sheet proposed by the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.

Claims (10)

1. A conductive elastic sheet is characterized by comprising a fixing part with a horizontal structure, an elastic arm elastically connected with the fixing part, and a limiting part positioned at the end part of the elastic arm;
a fixed block which is turned up towards the limiting part is arranged on the fixed part, and a limiting clamping groove is arranged in the fixed block;
the end part of the limiting part is provided with a limiting chuck with a T-shaped structure, the limiting chuck comprises a transverse clamping part forming a T shape and an extending part which is vertical to the clamping part and is connected with the elastic force arm,
the limiting clamping groove is an inverted T-shaped structure matched with the limiting clamping head and comprises an inverted T-shaped transverse inlet groove and a limiting groove perpendicular to the inlet groove;
the limiting clamping head is configured to move upwards under the action of the elastic force arm after the clamping part passes through the entering groove, and the extending part is clamped in the limiting groove.
2. The conductive clip of claim 1,
the extension part is provided with a downward bending part, and the fixing part is provided with an avoiding groove for avoiding the downward bending part.
3. The conductive clip of claim 2,
the dodging groove is communicated with the entering groove, the dodging groove and the limiting groove are respectively arranged on two sides of the entering groove, and the dodging groove, the entering groove and the limiting groove are formed by once material removal.
4. The conductive clip of claim 1,
the maximum size of the limiting clamping head is smaller than that of the entering groove and larger than that of the limiting groove.
5. The conductive clip of claim 1,
a bent part of an arc-shaped structure is arranged between the fixing part and the elastic force arm, and an elastic sheet contact of the arc-shaped structure is arranged between the elastic force arm and the limiting part;
the elastic sheet contact is used for being connected and conducted with an external circuit.
6. The conductive clip of claim 5,
and a bent pin structure is arranged in the middle of the elastic force arm and used for stable transition between the elastic sheet contact and the bent part.
7. The conductive clip of claim 1,
the conductive elastic sheet is of an integrally formed structure.
8. An electronic device comprising a device housing, internal circuitry, and a conductive dome as claimed in any one of claims 1 to 7; wherein,
the conductive elastic sheet is fixed on the equipment shell and used for connecting the internal circuit with an external terminal bonding pad.
9. The electronic device of claim 8,
and the fixing part of the conductive elastic sheet is fixed in the side wall of the equipment shell in an injection molding mode.
10. The electronic device of claim 8,
the electronic equipment is a loudspeaker or a receiver.
CN201611093088.1A 2016-11-29 2016-11-29 Electroconductive elastic sheet and the electronic equipment being provided with this electroconductive elastic sheet Pending CN106486811A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201611093088.1A CN106486811A (en) 2016-11-29 2016-11-29 Electroconductive elastic sheet and the electronic equipment being provided with this electroconductive elastic sheet
PCT/CN2017/094153 WO2018099104A1 (en) 2016-11-29 2017-07-24 Conductive elastic piece and electronic device comprising the conductive elastic piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611093088.1A CN106486811A (en) 2016-11-29 2016-11-29 Electroconductive elastic sheet and the electronic equipment being provided with this electroconductive elastic sheet

Publications (1)

Publication Number Publication Date
CN106486811A true CN106486811A (en) 2017-03-08

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Country Status (2)

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WO (1) WO2018099104A1 (en)

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CN107147976A (en) * 2017-06-27 2017-09-08 歌尔股份有限公司 Acoustical generator and the electronic equipment including the acoustical generator
WO2018099104A1 (en) * 2016-11-29 2018-06-07 歌尔股份有限公司 Conductive elastic piece and electronic device comprising the conductive elastic piece
CN108933063A (en) * 2018-06-08 2018-12-04 漳州宏发电声有限公司 A kind of electromagnetic relay of push card anticreep
CN115696793A (en) * 2021-07-26 2023-02-03 Oppo广东移动通信有限公司 Elastic conductive piece, electronic equipment and wearable equipment

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CN111193988B (en) * 2020-01-03 2021-12-17 厦门东声电子有限公司 Loudspeaker and assembling method thereof
CN114633645B (en) * 2022-03-28 2023-09-26 山东智航智能装备有限公司 Unmanned aerial vehicle contact clamping device that charges and contact charging device

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CN107147976A (en) * 2017-06-27 2017-09-08 歌尔股份有限公司 Acoustical generator and the electronic equipment including the acoustical generator
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CN115696793A (en) * 2021-07-26 2023-02-03 Oppo广东移动通信有限公司 Elastic conductive piece, electronic equipment and wearable equipment

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Application publication date: 20170308