CN101465225A - Input device and hand-held electronic device - Google Patents
Input device and hand-held electronic device Download PDFInfo
- Publication number
- CN101465225A CN101465225A CNA2007103005488A CN200710300548A CN101465225A CN 101465225 A CN101465225 A CN 101465225A CN A2007103005488 A CNA2007103005488 A CN A2007103005488A CN 200710300548 A CN200710300548 A CN 200710300548A CN 101465225 A CN101465225 A CN 101465225A
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- input unit
- switch
- contraposition
- hole
- plate
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Abstract
The invention relates to an input device and a handheld electronic device with the input device. A flexible piece and a switching piece in the input device comprise alignment through holes which can be accurately and mutually aligned, so that a protruding part of the flexible piece can be precisely located above a switch of the switching piece. As the input device can be accurately combined and completed, the handheld electronic device can make more sensitive response to the pressing action of users.
Description
Technical field
The relevant a kind of input unit of the present invention and have the portable electric device of this input unit; Input unit that the accurate contraposition in particularly a kind of inside is assembled and portable electric device with this input unit.
Background technology
Information age arrives, and various electronic products generally are used for daily life, and the user all need be by the media of various input unit as the control electronic product.Yet the employed input unit of electronic product makes input unit to make sensitive reaction to the action of user's push input device often because of inner contraposition is inaccurate.In other words, when the button of user's push input device, need push energetically input unit is responded to push action, and produce and control signal to electronic product.
Please refer to Fig. 1, it is the part sectioned view of known hand-held electronic installation 10.This known hand-held electronic installation 10 comprises a button 11, a bracing frame (supporting frame) 12, one sheet rubber 13, a dome sheet 14, a circuit board 15, a upper shell 16 and a lower house 17.On the one hand, button 11 has a projection 111, accepts in the depression 131 that is placed in sheet rubber 13; In addition, 13 devices of button 11 and sheet rubber have bracing frame 12, so that button 11 and sheet rubber 13 engage mutually.On the other hand, dome sheet 14 and circuit board 15 are directly repeatedly to put mutually and bonding.When assembling above-mentioned portable electric device 10, be earlier above-mentioned button 11, bracing frame 12 and sheet rubber 13 to be made up, one protuberance 132 of sheet rubber 13 is positioned on the switch 142 of dome sheet 14, fixing and hold said elements with upper shell 16 and lower house 17 more subsequently.
In this known hand-held electronic installation 10, partly be protuberance 132 on button 11, the sheet rubber 13 and the switch 142 on the dome sheet 14 in order to the main element of braking internal circuit.Yet sheet rubber 13 is directly involutory again after elder generation assembles with subelement respectively with dome sheet 14, there is no accurate contraposition mode between the two, so often make protuberance 132 accurately to be arranged on the switch 142.Especially in a large amount of production processes, sheet rubber 13 all has a little change in size with dome sheet 14, more make the protuberance 132 and the repeatedly seated position side-play amount of switch 142 increase, when side-play amount arrives to a certain degree greatly, just can make this known hand-held electronic installation 10 make sensitive reaction to user's push action, the situation that this reaction speed is slow excessively, the easier user of causing repeats problems such as input or input error.
Summary of the invention
The invention provides a kind of input unit that makes the accurate contraposition of inner member, so that a protuberance of input unit is positioned on the switch accurately.The just button of push input device like a cork of user whereby is with touch switch.
The invention provides a kind of portable electric device, comprise above-mentioned input unit, allow the user when using portable electric device, need not to push energetically and just can finish the data input.
Input unit of the present invention comprises a switch plate, a flexure strip and a cover plate.Switch plate has at least one first contraposition through hole and at least one switch, flexure strip has at least one second contraposition through hole and at least one protuberance, switch plate is to be arranged under the flexure strip, and the first contraposition through hole and the second contraposition through hole be mutual overlapping, so that protuberance precisely is arranged on the switch.Cover plate then is disposed on the flexure strip, in order to bearing user's a push action, and this push action is passed to protuberance, and by protuberance compressing switch, and then touch an electronic signal.
And the portable electric device that adopts foregoing input unit also comprises a upper shell, a display unit and a lower house; Display unit is assembled to upper shell, and has a viewing area, and upper shell exposes the viewing area; Input unit is assembled to upper shell, and upper shell and lower house assembling.
Description of drawings
For above-mentioned purpose of the present invention, technical characterictic and advantage can be become apparent, below conjunction with figs. is elaborated to preferred embodiment of the present invention, wherein:
Fig. 1 is known input unit part sectioned view;
Fig. 2 A is an input unit constitutional diagram according to an embodiment of the invention;
Fig. 2 B is an input unit exploded view according to an embodiment of the invention;
Fig. 3 is along the input unit profile of A-A hatching among Fig. 2 A;
Fig. 4 is the flow chart of the input unit of assembling one embodiment of the invention;
Fig. 5 A is a portable electric device exploded view of the present invention; And
Fig. 5 B is a portable electric device constitutional diagram of the present invention.
Embodiment
One embodiment of the invention are handheld electronic device, in this embodiment, portable electric device can be mobile phone, personal digital assistant (Personal Digital Assistant, PDA) or palmtop computer (pocket PC).In addition, the exploded view of portable electric device and constitutional diagram are please respectively with reference to figure 5A and Fig. 5 B.Portable electric device 2 comprises an input unit 20, a upper shell 23, a display unit 24, a plurality of screw 25 and a lower house 26, and wherein the constitutional diagram of input unit 20 and exploded view are then respectively shown in Fig. 2 A and Fig. 2 B.Input unit 20 can be earlier after accurately the contraposition assembling finishes, again with upper shell 23 assemblings.Therefore the user just can be by the accurate input data of input unit 20, and by display unit 24 data are presented.
Please refer to Fig. 2 A, Fig. 2 B and Fig. 3, wherein Fig. 3 is input unit 20 profiles of being drawn along the A-A hatching among Fig. 2 A.Input unit 20 comprises a switch plate 210, a flexure strip 211, a cover plate 221 and a sensor circuit plate 222.
In present embodiment, switch plate 210 comprises a dome sheet 212 and a circuit board 213, and circuit board 213 is to be arranged under the dome sheet 212.Dome sheet 212 has a pair of first contraposition through hole 212a, five switch 212b and a sheet 212c.In this embodiment, switch 212b can be metal dome switch (metal domeswitch) or polymer dome switch (polymer dome switch), and switch 212b is integrally formed with sheet 212c.In addition, a pair of first contraposition through hole 212a runs through on the sheet 212c that is arranged at dome sheet 212, and circuit board 213 runs through and is provided with a pair of first contraposition through hole 213a.In other words, this switch plate 210 has a plurality of contraposition through holes.Say that more specifically the first contraposition through hole 213a of first contraposition through hole 212a of dome sheet 212 and circuit board 213 overlaps mutually respectively and contraposition in regular turn.Therefore, dome sheet 212 just can be passed through being somebody's turn to do being somebody's turn to do the first contraposition through hole 213a and circuit board 213 contrapositions on the first contraposition through hole 212a and the circuit board 213 on the dome sheet 212, and is adhered on the circuit board 213.Yet in other embodiment, switch plate 210 of the present invention also can use film circuit wafer (membrane circuit sheet) or other form circuit boards to replace.
Flexure strip 211 is disposed on the dome sheet 212 of switch plate 210, in this embodiment, flexure strip 211 comprises five protuberance 211b, five cantilever 211d and a junction surface 211c, and wherein five protuberance 211b are corresponding respectively points to five switch 212b of dome sheet 212 and be provided with.Cantilever 211d is connected to protuberance 211b respectively, and junction surface 211c connects these cantilevers 211d.In addition, junction surface 211c has a pair of second contraposition through hole 211a, and the first contraposition through hole 212a, 213a correspond respectively to similar number and the corresponding second contraposition through hole 211a, with accurate position-sensing switch sheet 210 and flexure strip 211, and each protuberance 211b accurately is positioned on the respective switch 212b of dome sheet 212.Implement in the aspect in other, known this operator can spread to other application numbers of protuberance, cantilever and switch easily.
In this embodiment, the material of protuberance 211b is different from the material of cantilever 211d and junction surface 211c, and protuberance 211b can be the rubber material.In addition, the material of junction surface 211 and cantilever 211d can be to be all polyethylene terephthalate (Polyethylene Terephthalate, PET) material.In addition, protuberance 211b and junction surface 211c, cantilever 211d decorate (In-Mold Film Decoration, IMF Decoration) technology and are co-molded into by in-mold film.Above-mentioned cantilever 211d is preferably a ring-type cantilever, and protuberance 211b right position is in the central authorities of ring-type cantilever.Yet above-mentioned cantilever 211d also can be other kenels.
Though in this embodiment, the contraposition through hole is a pair of, when practical application, first contraposition through hole of the aforesaid second contraposition through hole, dome sheet and the first contraposition through hole of circuit board also can be other quantity or can be non-axisymmetric shape or axisymmetric shape.For example, implement in the aspect in other, first contraposition through hole of the second contraposition through hole, dome sheet and the first contraposition through hole of circuit board also can all only contain a contraposition through hole, and be identical non-axisymmetric shape, so just can make the contraposition process of the first contraposition through hole of the first contraposition through hole of the second contraposition through hole, dome sheet and circuit board simpler.
The key sheet 221a and the keycap 221b of cover plate 221 respectively have an area pressed, and its correspondence is arranged on a plurality of protuberance 211b and a plurality of switch 212b.When the pressure of cover plate 221 was subjected to pushing by the zone, cover plate 221 compressing flexure strips 211 so that protuberance 211b pushes the switch 212b on the dome sheet 212, made the recessed and contact (contact) that touches circuit board 213 of switch 212b to produce an electronic signal.In addition, sensor circuit plate 222 is in order to the touch action of induction effect in this area pressed.By the setting of sensor circuit plate 222 with dome sheet 212, the sensing user points the function that moves on this presses by the zone but portable electric device 2 of the present invention has not only, sense of touch when the user is similar to push keyboard also can be provided, confirm for the user whether the action of input instruction is finished.
Preferably, the key sheet 221b of cover plate 221 has a plurality of first holding section 221d, and the upper shell 23 of portable electric device 2 has a plurality of second holding sections 231, and wherein these first holding sections 221d is suitable for fastening with these second holding sections 231, with the displacement of restriction cover plate 221.
Utilize the design of the above-mentioned first contraposition through hole 212a and the second contraposition through hole 211a, just can be in the assembling process of input unit 20, each protuberance 211a of contraposition more accurately and each switch 212b.Please also refer to the exploded view of Fig. 2 B and the flow chart of Fig. 4, the method that this assembling process adopted comprises following steps.
At first, execution in step 401 is aimed at 2 first contraposition through hole 212a of dome sheet 212 with two first contraposition through hole 213a of circuit board 213 along two pairs of bit line B, with contraposition dome sheet 212 and circuit board 213.In step 402, bonding dome sheet 212 and circuit board 213 are to finish the assembling of switch plate 210.In step 403, along two second contraposition through hole 211a of two pairs of bit line B contraposition flexure strips 211 among Fig. 2 B and two first contraposition through hole 212a of dome sheet 212, with contraposition flexure strip 211 and dome sheet 212.Then in step 403, bind the dome sheet 212 of flexure strip 211 and switch plate 210.
After the said elements combination was finished, execution in step 405 again, and cover plate 221 is installed on the flexure strip 211.When this input unit 20 has sensor circuit plate 222, then cover plate 221 and sensor circuit plate 222 are installed on the flexure strip 211 after bonding again.In step 406, will be spirally connected with circuit board 213 in order to the upper shell 23 of accepting input unit 20 in the portable electric device 2.At last, in step 407, second holding section 231 of upper shell 23 engages with the first holding section 221d of cover plate 221, just finishes the combination of the input unit 20 of portable electric device 2.
As previously mentioned, the constitutional diagram that please refer to the exploded view of Fig. 5 A and Fig. 5 B simultaneously as can be known, the portable electric device 2 of the embodiment of the invention, comprise aforesaid input unit 20, upper shell 23, display unit 24, a plurality of screw 25 and lower house 26, wherein display unit 24 is assembled to upper shell 23, and have a viewing area, and upper shell 23 exposes this viewing area.Please merge the 2B with reference to figure, input unit 20 of the present invention is to be spirally connected and to be assembled to upper shell 23 with a plurality of screw 213b that a plurality of screws 25 pass a plurality of holes 232 of being arranged at upper shell 23 and circuit board 213.Portable electric device 2 with a lower house 26 and upper shell 23 assemblings of portable electric device 2, is so finished the assembling of portable electric device 2, shown in Fig. 5 B again after the assembling of finishing input unit 20 and upper shell 23.
The present invention replaces bracing frame and sheet rubber in the prior art by flexure strip, not only simplified assembling flow path, and the contraposition through hole is set on flexure strip and dome sheet, make flexure strip can with the accurate contraposition of dome sheet, and then protuberance is positioned on the switch exactly.Whereby, adopt the portable electric device of input unit of the present invention to have splendid reaction speed, the user does not need push input device energetically, can make portable electric device produce reaction yet.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, the scope of the present invention should be as the criterion with the application's claim scope.
Claims (15)
1. input unit is suitable for being assembled to a upper shell of handheld electronic device, and this input unit comprises:
One switch plate has at least one first contraposition through hole and at least one switch;
One flexure strip is disposed on this switch plate, and this flexure strip comprises:
At least one protuberance points to this at least one switch;
At least one cantilever is connected to this at least one protuberance;
One junction surface is connected to this at least one cantilever, and is adhered on this switch plate, and this junction surface has at least one second contraposition through hole, wherein this at least one first contraposition through hole and this at least one second contraposition through hole overlapping; And
One cover plate is disposed on this flexure strip, and wherein when this cover plate was pressed, this cover plate was oppressed this flexure strip, so that this at least one protuberance is pushed this at least one switch.
2. input unit according to claim 1 is characterized in that this switch plate comprises:
One circuit board;
One dome sheet is adhered on this circuit board, and this dome sheet has this at least one switch, its wherein this at least one first contraposition through hole run through this circuit board and this dome sheet.
3. input unit according to claim 2 it is characterized in that this dome sheet also comprises a sheet, and this at least one first contraposition through hole runs through this sheet, and this at least one switch and this sheet are one of the forming.
4. input unit according to claim 1 is characterized in that this switch plate is a film circuit wafer.
5. input unit according to claim 1 is characterized in that also comprising a sensor circuit plate, is disposed at this cover plate below, and wherein this sensor circuit plate is suitable for responding to a touch action.
6. input unit according to claim 5 is characterized in that this sensor circuit plate is a capacitor induction type circuit board or a temperature induction type circuit board.
7. input unit according to claim 5 is characterized in that this sensor circuit plate comprises:
One first has one second perforate;
One second portion is positioned at this second perforate; And
A junction connects this first and this second portion respectively.
8. input unit according to claim 7 is characterized in that this cover plate comprises a key sheet and a keycap, and wherein this key sheet has one first perforate, and this keycap is positioned at this first perforate, and this second portion is corresponding to this keycap.
9. input unit according to claim 1 is characterized in that this cover plate has a plurality of first holding sections, and this upper shell has a plurality of second holding sections, and these first holding sections are suitable for fastening with these second holding sections, to limit the displacement of this cover plate.
10. input unit according to claim 1 is characterized in that the material of this at least one protuberance is different from the material at this at least one cantilever and this junction surface.
11. input unit according to claim 10 is characterized in that the material at this at least one cantilever and this junction surface is identical, and the material of this at least one protuberance is a rubber.
12. input unit according to claim 11, the material that it is characterized in that this at least one cantilever and this junction surface is a polyethylene terephthalate.
13. input unit according to claim 1 it is characterized in that this at least one cantilever comprises a ring-type cantilever, and this at least one protuberance is positioned at this ring-type cantilever central authorities.
14. a portable electric device comprises:
One upper shell;
One display unit is assembled to this upper shell, and has a viewing area, and this upper shell exposes this viewing area;
One input unit is assembled to this upper shell, and this input unit comprises:
One switch plate has at least one first contraposition through hole and at least one switch;
One flexure strip is disposed on this switch plate, and this flexure strip comprises:
At least one protuberance points to this at least one switch;
At least one cantilever is connected to this at least one protuberance;
One junction surface is connected to this at least one cantilever, and is adhered on this switch plate, and this junction surface has at least one second contraposition through hole, wherein this at least one first contraposition through hole and this at least one second contraposition through hole overlapping; And
One cover plate is disposed on this flexure strip, and wherein when this cover plate was pressed, this cover plate was oppressed this flexure strip, so that this at least one protuberance is pushed this at least one switch.
15. portable electric device according to claim 14 is characterized in that also comprising a lower house, and this upper shell and the assembling of this lower house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103005488A CN101465225B (en) | 2007-12-19 | 2007-12-19 | Input device and hand-held electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103005488A CN101465225B (en) | 2007-12-19 | 2007-12-19 | Input device and hand-held electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101465225A true CN101465225A (en) | 2009-06-24 |
| CN101465225B CN101465225B (en) | 2011-01-05 |
Family
ID=40805739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103005488A Expired - Fee Related CN101465225B (en) | 2007-12-19 | 2007-12-19 | Input device and hand-held electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101465225B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891027A (en) * | 2011-07-21 | 2013-01-23 | 凌华科技股份有限公司 | Button ring of handheld device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW419687B (en) * | 1998-12-22 | 2001-01-21 | Shinetsu Polymer Co | Push button switch cover and method for manufacturing same |
| JP2003234035A (en) * | 2002-02-06 | 2003-08-22 | Alps Electric Co Ltd | Contact plate and switch apparatus using the same |
-
2007
- 2007-12-19 CN CN2007103005488A patent/CN101465225B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891027A (en) * | 2011-07-21 | 2013-01-23 | 凌华科技股份有限公司 | Button ring of handheld device |
| CN102891027B (en) * | 2011-07-21 | 2014-12-10 | 凌华科技股份有限公司 | Button ring of handheld device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101465225B (en) | 2011-01-05 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20191219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |