CN108024449A - FPC components and terminal device - Google Patents
FPC components and terminal device Download PDFInfo
- Publication number
- CN108024449A CN108024449A CN201711210548.9A CN201711210548A CN108024449A CN 108024449 A CN108024449 A CN 108024449A CN 201711210548 A CN201711210548 A CN 201711210548A CN 108024449 A CN108024449 A CN 108024449A
- Authority
- CN
- China
- Prior art keywords
- fpc
- conductive contact
- terminal device
- metal clips
- components
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10053—Switch
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Push-Button Switches (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the present invention provides a kind of FPC components and terminal device, wherein, which includes：FPC plates, are provided with least four conductive contact on the FPC plates, the conductive contact is connected with the output pin of the FPC plates；Metal clips, including fixed part and press section, the fixed part and the conductive contact of one conductive contact of any two midfeather on the FPC plates are electrically connected, and the press section is corresponding with the conductive contact for two conductive contact midfeathers that the fixed part is connected, when the metal clips presses, the press section is in contact with corresponding conductive contact.FPC components and terminal device provided in an embodiment of the present invention, solve appearance design of the prior art needs according to terminal device, redesign the problem of developing FPC plates, reduce the cost of research and development and production.
Description
Technical field
The present embodiments relate to FPC technical fields, more particularly to a kind of FPC components and terminal device.
Background technology
As the button on the terminal devices such as the demand of big display size, mobile phone is got in the development of touch-screen, and people
Come fewer, at present, the terminal device such as mobile phone, tablet computer is general only to retain a small number of buttons in the side of equipment (referred to as
Side switch), such as volume key and power key etc..
The prior art passes through side switch flexible printed circuit board (Flexible Printed Circuit, abbreviation FPC) component
To realize the function of side switch.Side switch FPC components include DOME pieces and side switch FPC, wherein DOME pieces and the side on terminal device
Key contacts, when user presses side switch, DOME pieces deform upon so that on side switch FPC two at reveal copper conducting, so as to produce electricity
Signal, realizes function of side key.
But since the appearance design of terminal device is very various, the position of side switch is different, this is just needed for not
Same equipment appearance side switch FPC of the exploitation with different layouts, this greatly improves production cost.
The content of the invention
The embodiment of the present invention provides a kind of FPC components and terminal device, to reduce the research and development of FPC components on terminal device
And production cost.
First aspect of the embodiment of the present invention provides a kind of FPC components, which includes：
FPC plates, at least four conductive contact, the conductive contact and the FPC plates are provided with the FPC plates
Output pin connects；
Metal clips, including fixed part and press section, the fixed part and any two midfeather one on the FPC plates
The conductive contact electrical connection of a conductive contact, and two conductive contacts that the press section is connected with the fixed part
The conductive contact of midfeather is corresponding, when the metal clips presses, the press section and corresponding conductive contact
Point is in contact.
Optionally, at least four conductive contact is equally and along set by the extending direction of the FPC.
Optionally, the metal clips is DOME pieces.
Optionally, the metal clips is fixed on the FPC plates by insulating cement.
Optionally, the component further includes reinforcement steel disc, and the reinforcement steel disc is fixed on the FPC backboards by conducting resinl
In one side from the conductive contact.
Optionally, the reinforcement steel disc is provided with conducting resinl in the one side of the FPC plates.
Second aspect of the embodiment of the present invention provides a kind of terminal device, which includes：
Mainboard, side switch and FPC components as described above；The output pin of the FPC components is connected with the mainboard, described
Side switch is contacted with the metal clips on the FPC components.
Optionally, it is attached between the FPC components and the mainboard by any one following mode：Plate connects plate
Connect device, Zero insertion connector and welding.
Optionally, the side switch is connected with the metal clips on the FPC components by insulated connecting piece.
The embodiment of the present invention, by setting at least four conductive contact on FPC plates so that the conductive contact and FPC
The output pin connection of plate, and by the way that one conduction of the fixed part of metal clips and any two midfeather on FPC plates is connect
The conductive contact of contact is electrically connected, and two conductive contact midfeathers that press section is connected with fixed part are led
Electrical pickoff corresponds to so that when metal clips presses, press section is in contact with corresponding conductive contact.So as to fulfill end
The keypress function of end equipment.Due to setting at least four conductive contact in the embodiment of the present invention on FPC plates, and metal clips
Installation only need to take 3 conductive contacts, therefore, the keypress function of terminal device, especially side switch realized by FPC components
During function, installation site of the metal clips on FPC plates can flexibly be selected according to the appearance design of terminal device, without
FPC plates are redesigned and developed, reduce the research and development of FPC components and production cost on terminal device.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of organization plan schematic diagram for FPC components that the prior art provides；
Fig. 2 is the structure diagram for revealing copper on the FPC plates that the prior art provides；
Fig. 3 is a kind of structure diagram for FPC components that one embodiment of the invention provides；
Fig. 4 is a kind of internal structure schematic diagram for terminal device that one embodiment of the invention provides；
Fig. 5 is the structure diagram for the terminal device that one embodiment of the invention provides.
Reference numeral：
11-FPC plate 12-DOME pieces
101- ring-types dew copper 102- point-like dew copper
13- reinforcement steel disc 14- insulating cements
15- conduction 21-FPC plates
22- metal clips 23- conductive contacts
24- output pin 31- mainboards
32-FPC component 33- side switch
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly retouched
State, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, belongs to the scope of protection of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Below in conjunction with the accompanying drawings, elaborate to some embodiments of the present invention.In the case where there is no conflict, it is following
Feature in embodiment and embodiment can be mutually combined.
Fig. 1 is a kind of organization plan schematic diagram for FPC components that the prior art provides, which is used for realization terminal
The function of three side switch of equipment.As shown in Figure 1, the FPC components include：FPC plates 11, DOME pieces 12, reinforcement steel disc 13, its
In, three regions are divided on FPC plates 11, one group of dew copper is provided with each region, each group of dew copper, which corresponds to, realizes one
The function of side switch, specific Fig. 2 is the structure diagram for revealing copper on the FPC plates that the prior art provides, as shown in Fig. 2, in FPC plates
Every group of dew copper-clad includes a ring-type dew copper 101 and the point-like dew copper 102 positioned at 101 intermediate region of ring-type dew copper on 11.
DOME pieces 12 are fixed on FPC plates 11 by insulating cement 14, its marginal portion and corresponding ring-type dew copper 101 connect, when pressing
During DOME pieces 12, DOME pieces 12 are deformed upon to be contacted with point-like dew copper 102 so that ring-type is revealed copper 101 and led with point-like dew copper 102
It is logical, electric signal is produced, so as to fulfill function of side key.Reinforcement steel disc 13 is fixed on FPC plates 11 by conducting resinl 15 and deviates from DOME pieces
Side on.
In Fig. 1, three regions on FPC plates 11 are divided according to the side switch Position Design on terminal device.When it
When his terminal device has different side switch positions from the terminal device, then the side of terminal device can not be realized by the FPC plates
Key function is, it is necessary to be redesigned and researched and developed to FPC plates according to the appearance of terminal device, so as to add grinding for terminal device
Hair and production cost.
In view of the above-mentioned problems, an embodiment of the present invention provides a kind of FPC components, in the design and producing of terminal device
During reduce and even avoid redesign and research and development to FPC plates so that reaching reduces terminal device research and development and production cost
Purpose.Referring to Fig. 3, Fig. 3 is a kind of structure diagram for FPC components that one embodiment of the invention provides, as shown in figure 3, should
FPC components include：FPC plates 21 and metal clips 22, are provided with least four conductive contact 23, conductive contact on FPC plates 21
23 connect with the output pin 24 of FPC plates 21；Metal clips 22 includes fixed part and press section (not shown in Fig. 3), wherein solid
Determine portion and the conductive contact of one conductive contact of any two midfeather on FPC plates 21 is attached, press section is with consolidating
It is corresponding to determine the conductive contact of two conductive contact midfeathers of portion's connection, when metal clips 22 is pressed, metal
Shrapnel 22 produces deformation, press section with its corresponding to centre conductive contact point contact so that middle conductive contact with
Its adjacent two conductive contacts conducting, realizes keypress function.For example 4 conductive contacts are provided with FPC plates, according to
The direction of FPC plates extension is followed successively by conductive contact 1, conductive contact 2, conductive contact 3 and conductive contact 4, wherein, gold
Belonging to the fixed part of shrapnel can select to be connected with conductive contact 1 and conductive contact 3 according to demand, can also select and conduction
Contact point 2 and conductive contact 3 connect.When the fixed part of metal clips is connected with conductive contact 1 and conductive contact 3,
The press section of metal clips corresponds to conductive contact 2, when fixed part and conductive contact 2 and the conductive contact 4 of metal clips
During connection, the press section of metal clips corresponds to conductive contact 3.So that metal clips can be according to demand in above-mentioned two
One is selected in setting position to be installed, and improves the flexibility that metal clips is installed on FPC plates, it is not necessary to FPC plates
Redesigned and developed, reduce the research and development of FPC components and production cost on terminal device.
For another example, when being provided with 5 conductive contacts on FPC plates, understand metal clips on FPC plates by above-mentioned example
Have that three positions are available, and so on, the conductive contact set on FPC plates is more, the choosing of metal clips installation site
Selecting property is more, so as to be suitable for flexible appearance design, reduces the research and development of FPC components and production cost on terminal device.
The merely illustrative explanation of certain above-mentioned example, rather than the unique of the present invention is limited.Optionally, metal clips 22 in the present embodiment
Can be it is not limited to being DOME pieces.
Optionally, metal clips is fixed on FPC plates 21 by insulating cement, and is connect with the conductive contact 23 on FPC plates
Touch.
Optionally, conductive contact 23 is distributed in the following way on FPC plates 21：
In a kind of possible mode, conductive contact 23 is equally and along set by the extending direction of FPC plates 21.Phase
The distance between adjacent conductive contact can specifically be set as needed, not do specific setting in the present embodiment to it.
In alternatively possible mode, FPC plates 21 are divided into multiple regions, and conductive contact 23 is distributed in these areas
In domain, and the closeness for the conductive contact being distributed in different zones is different.Here for the division of above-mentioned zone, and difference
The setting of the closeness of conductive contact on region, is not specifically limited in the present embodiment.
Optionally, in the present embodiment, FPC components can also include reinforcement steel disc (not shown in Fig. 2), with prior art class
As, reinforcement steel disc is fixed on FPC plates 21 in the one side of conductive contact 23 by conducting resinl.
The present embodiment, by setting at least four conductive contact on FPC plates so that the conductive contact and FPC plates
Output pin connects, and by by one conductive contact of any two midfeather on the fixed part of metal clips and FPC plates
Conductive contact be electrically connected, the conduction for two conductive contact midfeathers that press section is connected with fixed part connects
Contact corresponds to so that when metal clips presses, press section is in contact with corresponding conductive contact.Set so as to fulfill terminal
Standby keypress function.By setting at least four conductive contact on FPC plates in this present embodiment, and the installation of metal clips only needs
3 conductive contacts are taken, therefore, when realizing the keypress function, especially function of side key of terminal device by FPC components,
Installation site of the metal clips on FPC plates can flexibly be selected according to the appearance design of terminal device, without to FPC plates
Redesigned and developed, reduce the research and development of FPC components and production cost on terminal device.
Fig. 4 is a kind of internal structure schematic diagram for terminal device that one embodiment of the invention provides, as shown in figure 4, the end
End equipment includes mainboard 31 and FPC components 32 as described above, and the wherein output pin of FPC components 32 is connected with mainboard 31.FPC
Connection mode between component 32 and mainboard 31 can be any one following：Board to board connector, Zero insertion connector
And welding.
The side switch 33 of terminal device is contacted with the metal clips on FPC components 32.When side switch 33 is pressed, FPC components
Metal clips on 32 deforms upon, and connects the connection between three conductive contacts of its occupancy, generates electric signal, and pass through
The output pin (i.e. the output pin of FPC plates in FPC components 32) of FPC components 32 by electric signal output to mainboard, so as to fulfill
The function of side key of terminal device.
Specifically, side switch 33 is connected by insulated connecting piece with the metal clips on FPC components 32 in the present embodiment.
The present embodiment, by setting at least four conductive contact on FPC plates so that the conductive contact and FPC plates
Output pin connects, and by by one conductive contact of any two midfeather on the fixed part of metal clips and FPC plates
Conductive contact be electrically connected, the conduction for two conductive contact midfeathers that press section is connected with fixed part connects
Contact corresponds to so that when metal clips presses, press section is in contact with corresponding conductive contact.Set so as to fulfill terminal
Standby keypress function.By setting at least four conductive contact on FPC plates in this present embodiment, and the installation of metal clips only needs
3 conductive contacts are taken, therefore, when realizing the keypress function, especially function of side key of terminal device by FPC components,
Installation site of the metal clips on FPC plates can flexibly be selected according to the appearance design of terminal device, without to FPC plates
Redesigned and developed, reduce the research and development of FPC components and production cost on terminal device..
The embodiment of the present invention also provides a kind of terminal device, and Fig. 5 is the knot for the terminal device that one embodiment of the invention provides
Structure schematic diagram.The equipment includes the FPC components described in above-described embodiment.The equipment can be mobile phone, and computer, numeral is extensively
Broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
Device 800 can include following one or more assemblies：Processing component 802, memory 804, power supply module 806,
Multimedia component 808, audio component 810, input/output (I/O) interface 812, sensor component 814, and communication component
816。
The integrated operation of the usual control device 800 of processing component 802, such as with display, call, data communication, phase
The operation that machine operates and record operation is associated.Processing component 802 can refer to including one or more processors 820 to perform
Order, to complete all or part of step of above-mentioned method.In addition, processing component 802 can include one or more modules, just
Interaction between processing component 802 and other assemblies.For example, processing component 802 can include multi-media module, it is more to facilitate
Interaction between media component 808 and processing component 802.
Memory 804 is configured as storing various types of data to support the operation in device 800.These data are shown
Example includes the instruction of any application program or method for being operated on device 800, and contact data, telephone book data, disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) are erasable to compile
Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 806 provides electric power for the various assemblies of device 800.Power supply module 806 can include power management system
System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 800.
Multimedia component 808 is included in the screen of one output interface of offer between described device 800 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch-screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slip and touch panel.The touch sensor can not only sense touch or sliding action
Border, but also detect and the duration and pressure associated with the touch or slide operation.In certain embodiments, more matchmakers
Body component 808 includes a front camera and/or rear camera.When device 800 is in operator scheme, such as screening-mode or
During video mode, front camera and/or rear camera can receive exterior multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 810 is configured as output and/or input audio signal.For example, audio component 810 includes a Mike
Wind (MIC), when device 800 is in operator scheme, during such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The received audio signal can be further stored in memory 804 or via communication set
Part 816 is sent.In certain embodiments, audio component 810 further includes a loudspeaker, for exports audio signal.
I/O interfaces 812 provide interface between processing component 802 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor component 814 includes one or more sensors, and the state for providing various aspects for device 800 is commented
Estimate.For example, sensor component 814 can detect opening/closed mode of device 800, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 800, and sensor component 814 can be with 800 1 components of detection device 800 or device
Position change, the existence or non-existence that user contacts with device 800,800 orientation of device or acceleration/deceleration and device 800
Temperature change.Sensor component 814 can include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor component 814 can also include optical sensor, such as CMOS or ccd image sensor, for into
As being used in application.In certain embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 800 and other equipment.Device
800 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 further includes near-field communication (NFC) module, to promote junction service.Example
Such as, in NFC module radio frequency identification (RFID) technology can be based on, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 800 can be believed by one or more application application-specific integrated circuit (ASIC), numeral
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (9)
- A kind of 1. FPC components, it is characterised in that including：FPC plates, at least four conductive contact, the conductive contact and the output of the FPC plates are provided with the FPC plates Pin connects；Metal clips, including fixed part and press section, the fixed part are led with any two midfeather one on the FPC plates The conductive contact electrical connection of electrical pickoff, and among two conductive contacts of the press section and fixed part connection The conductive contact at interval is corresponding, when the metal clips presses, the press section and corresponding conductive contact phase Contact.
- 2. FPC components according to claim 1, it is characterised in that at least four conductive contact is equally and edge It is distributed in set by the extending direction of the FPC on the FPC plates.
- 3. FPC components according to claim 1, it is characterised in that the metal clips is DOME pieces.
- 4. FPC components according to claim 1, it is characterised in that the metal clips is fixed on described by insulating cement On FPC plates.
- 5. FPC components according to claim 1, it is characterised in that the component further includes reinforcement steel disc, the reinforcement steel Piece is fixed in the one side of the FPC backboards from the conductive contact by conducting resinl.
- 6. FPC components according to claim 5, it is characterised in that the reinforcement steel disc is in the one side of the FPC plates It is provided with conducting resinl.
- A kind of 7. terminal device, it is characterised in that including：Mainboard, side switch and the FPC as any one of claim 1-6 Component；The output pin of the FPC components is connected with the mainboard, and the side switch connects with the metal clips on the FPC components Touch.
- 8. terminal device according to claim 7, it is characterised in that by such as between the FPC components and the mainboard Any one lower mode is attached：Board to board connector, Zero insertion connector and welding.
- 9. terminal device according to claim 8, it is characterised in that the side switch and the metal elastic on the FPC components Piece is connected by insulated connecting piece.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017111344603 | 2017-11-16 | ||
| CN201711134460 | 2017-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108024449A true CN108024449A (en) | 2018-05-11 |
| CN108024449B CN108024449B (en) | 2020-06-09 |
Family
ID=62077503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711210548.9A Active CN108024449B (en) | 2017-11-16 | 2017-11-28 | FPC subassembly and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108024449B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003036761A (en) * | 2001-07-24 | 2003-02-07 | Fujikura Ltd | Manufacturing method for printed wiring board with metal dome |
| CN2726092Y (en) * | 2004-08-30 | 2005-09-14 | 闳晖实业股份有限公司 | Lighting metal frame and self-lighting key device with same |
| CN101206964A (en) * | 2006-12-18 | 2008-06-25 | 松下电器产业株式会社 | Movable contact unit and switch using the same |
| CN202930277U (en) * | 2012-10-31 | 2013-05-08 | 福建新大陆支付技术有限公司 | Safety switch |
-
2017
- 2017-11-28 CN CN201711210548.9A patent/CN108024449B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003036761A (en) * | 2001-07-24 | 2003-02-07 | Fujikura Ltd | Manufacturing method for printed wiring board with metal dome |
| CN2726092Y (en) * | 2004-08-30 | 2005-09-14 | 闳晖实业股份有限公司 | Lighting metal frame and self-lighting key device with same |
| CN101206964A (en) * | 2006-12-18 | 2008-06-25 | 松下电器产业株式会社 | Movable contact unit and switch using the same |
| CN202930277U (en) * | 2012-10-31 | 2013-05-08 | 福建新大陆支付技术有限公司 | Safety switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108024449B (en) | 2020-06-09 |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Qingdao Hisense Mobile Communication Technology Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. |