CN1667770A - Point-push spring, sheet with point-push spring and switch device - Google Patents
Point-push spring, sheet with point-push spring and switch device Download PDFInfo
- Publication number
- CN1667770A CN1667770A CNA2005100067996A CN200510006799A CN1667770A CN 1667770 A CN1667770 A CN 1667770A CN A2005100067996 A CNA2005100067996 A CN A2005100067996A CN 200510006799 A CN200510006799 A CN 200510006799A CN 1667770 A CN1667770 A CN 1667770A
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- Prior art keywords
- contact
- travelling contact
- mentioned
- spring
- switching device
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/416—Reflective
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Push-Button Switches (AREA)
- Manufacture Of Switches (AREA)
Abstract
The invention provides a click spring and a sheet having the click spring that can be assembled easily and have high contact reliability, and also to provide a switch device that does not adversely and magnetically affect an earth magnetic sensor incorporated in electronic equipment. In the switch device for performing the switching operation of a contact by allowing a dome-like movable contact 3 to contact and separate from a center fixed contact 1b provided on a circuit board 2, the movable contact 3 is formed by a nonmagnetic stainless steel material with SUS 305 as a raw material, thus setting the relative permeability to 1.01 or smaller, preventing the movable contact 3 from magnetically and poorly affecting the earth magnetic sensor 7 mounted nearby, preventing metal powder from being attracted by the movable contact 3 before assembling to the switch device, and hence preventing contact reliability from decreasing by the attraction of the metal powder.
Description
Technical field
The present invention relates to be applicable to switching device in the electronic equipment such as portable telephone, as the thin slice that (click) spring and band are pressed spring of pressing of the travelling contact of this switching device etc.
Background technology
On the guidance panel of portable telephone, dispose a plurality of dialing keys, function key etc.,, and the switch inside device is connected by user's these keys of pressing operation selectively.This switching device has the travelling contact that is arranged on the fixed contact on the insulated substrate and is called as the arcuation of pressing spring, travelling contact be positioned on the insulated substrate and relative with fixed contact to.And, not from key during to travelling contact effect pressing force, travelling contact leaves from fixed contact and keeps off-state owing to the recuperability of self, from key during to travelling contact effect pressing force, because this pressing force makes travelling contact bend, overturn and is attended by sense of clicking, and travelling contact contacts the formation on-state with fixed contact.
As mentioned above, in this switching device, follow pressing force that the outside applies to produce rotary movement repeatedly and remove self restoring action of generation along with this pressing force by travelling contact, and this travelling contact and fixed contact contact separation, carry out the change action of contact, therefore, in the past, the material as travelling contact used the superior sheet metals (for example, with reference to patent documentation 1) of spring performance such as stainless steel or phosphor bronze.Here, phosphor bronze is owing to compare mechanical strength with stainless steel and be on duty mutually, so, under the situation of the electronic equipment that is used for as portable telephone, requiring the life-span number of times of stroking many times, generally with the material of stainless steel as travelling contact.
Patent documentation 1: the spy opens 2001-160334 communique (3-4 page or leaf, Fig. 3)
But, be used as the stainless steel of the material of travelling contact, mainly be categorized as ferrite-group stainless steel, martensitic stainless steel and austenite stainless steel according to its composition, but, wherein, as non-magnetic stainless steel is known austenite stainless steel arranged, also be widely used in the switching device of above-mentioned portable telephone etc.But, being processed into arcuation and after forming travelling contact, the inventor etc. have measured the relative permeability (μ) of this travelling contact with austenite stainless steel is cold rolling, the relative permeability that found that travelling contact is will carrying magnetic more than 1.05.Estimate this be because: the part of austenite phase or almost all change martensitic phase into by cold rolling processing raw material.
Like this, because the travelling contact that is formed by existing stainless steel is a magnetic, so, easily be magnetized when keeping before group is gone in the switching device or conveying etc., for example, bring for the fashionable vacuum suction of group hinders or absorption metal powder infringement contact reliability after group is gone into.Especially, in the portable telephone of the charged sub-compass of built-in geomagnetic sensor,, can produce the problem that Magnetic Sensor can not correctly detect surrounding magnetic field because group is gone into the magnetic influence of the travelling contact in the switching device.It should be noted that in addition, such problem is not limited in the switching device that spring is used as travelling contact of pressing with arcuation, can occur in too with press spring simply as the switching device of the parts that produce sense of clicking, promptly, can occur in too Jie by barrier film relatively to a pair of film on form travelling contact and fixed contact constitutes thin film switch, and press on the switching device that spring constitutes in mounting on the upper film of this thin film switch.
Summary of the invention
The present invention makes in view of the present situation of prior art, and its purpose is to provide a kind of assembling operation simple and contact reliability is high presses the thin slice that spring and band are pressed spring.
Its another purpose is to provide a kind of can not bring the switching device of bad magnetic influence to being built in the geomagnetic sensor of electronics in being provided with.
To achieve these goals, the spring of pressing of the present invention, follow pressing force to carry out rotary movement and then carry out self restoring action along with removing this pressing force from the outside, this is pressed spring and is shaped as arcuation by the stainless steel steel and forms, and magnetic susceptibility is below 1.01 relatively, especially, use the stainless steel steel formation of the SUS305 of JIS specification to press spring.
What constitute like this presses spring, is difficult for being magnetized when keeping before group is gone in the switching device or conveying etc., and therefore, assembling operation is simple, can not damage contact reliability because of pressing spring absorption metal powder after group is gone in the switching device.
In addition, band of the present invention is pressed the thin slice of spring, it constitutes: have adhesive sheet, press spring and non magnetic peeling sheet, above-mentioned adhesive sheet has slice part that is made of nonmagnetic film and the following adhesive that is arranged on this slice part, above-mentioned press spring above be secured on the above-mentioned adhesive, above-mentioned peeling sheet is secured on the above-mentioned adhesive sheet.
Press the thin slice of spring according to the band of such formation, because before group is gone in the switching device, with adhesive sheet, pressing spring and peeling sheet, to form the thin slice integral body that one forms be non magnetic, so can reliably prevent to press spring when keeping or conveying etc. is magnetized, and, when group is gone in the switching device by removing peeling sheet, and can simply organize into adhesive sheet with press spring.
In addition, switching device of the present invention, but comprise the insulated substrate with fixed contact and the travelling contact of the arcuation of relative said fixing contact contact separation, and be that stainless steel steel below 1.01 form above-mentioned travelling contact by relative magnetic susceptibility.
Switching device according to such formation, owing to form travelling contact with nonmagnetic stainless steel steel, so travelling contact brings bad magnetic influence can not for the equipment that assembles it, can not adsorb metal powder on travelling contact, and can prevent to damage the problem of contact reliability.
In above-mentioned formation, preferably: above-mentioned travelling contact is formed by the SUS305 of JIS specification, especially, if also have the geomagnetic sensor that can detect earth magnetism, and this geomagnetic sensor is configured on the above-mentioned insulated substrate or the below of this insulated substrate by close, then can realize can preventing to make the portable telephone of the charged sub-compass of geomagnetic sensor misoperation owing to the magnetic influence of travelling contact, therefore preferred.In addition, preferred: as when being configured in above-mentioned travelling contact on the above-mentioned insulated substrate, to utilize the upper foil that constitutes by insulation film to cover this travelling contact.
The spring of pressing of the present invention, because being shaped as arcuation by the stainless steel steel forms, and magnetic susceptibility is below 1.01 relatively, so, be difficult for being magnetized when keeping before group is gone in the switching device or conveying etc., and assembling operation is simple, also can not damage contact reliability because of pressing spring absorption metal powder after group is gone in the switching device.
In addition, band of the present invention is pressed the thin slice of spring, owing to have adhesive sheet, press spring, with non magnetic peeling sheet, adhesive sheet has slice part that is made of nonmagnetic film and the following adhesive that is arranged on this slice part, press spring above be secured on the adhesive, above-mentioned peeling sheet is secured on the adhesive sheet, before group is gone in the switching device, with adhesive sheet, pressing spring and peeling sheet, to form the thin slice integral body that one forms be non magnetic, therefore, can reliably prevent to press spring when keeping or conveying etc. is magnetized, and, when group is gone in the switching device by removing peeling sheet, and can simply organize into adhesive sheet with press spring.
In addition, switching device of the present invention, but owing to comprise the travelling contact of the arcuation of insulated substrate with fixed contact and the contact separation of relative fixed contact, and be that stainless steel steel below 1.01 form above-mentioned travelling contact by relative magnetic susceptibility, therefore, travelling contact brings bad magnetic influence can not for the equipment that assembles it, can prevent to damage contact reliability because of absorption metal powder on the travelling contact.
Description of drawings
Fig. 1 is the exploded perspective view of the switching device of the 1st embodiment of the present invention.
Fig. 2 be this switching device want portion's profile.
Fig. 3 is the key diagram of manufacturing process of the thin slice of the expression band travelling contact that is used for this switching device.
Fig. 4 is the vertical view of the thin slice of this band travelling contact.
Fig. 5 is the vertical view of the switching device of the 2nd embodiment of the present invention.
Fig. 6 is the profile along the VI-VI line of Fig. 5.
Fig. 7 is used for the wafer of this switching device and the vertical view of travelling contact.
Fig. 8 is the profile of the switching device of the present invention's the 3rd execution mode.
Among the figure: 1-fixed contact, 1a-periphery fixed contact, 1b-central authorities fixed contact, 2-circuit substrate; 3,12-travelling contact, 4, the 24-adhesive sheet, 5, the 22-surface sheets, 6, the 23-partition; the 6a-through hole, the 7-geomagnetic sensor, 8-carries thin slice, and 9-protects thin slice; the 10-peeling sheet, the thin slice of 11-band travelling contact, 13-wafer, 14-framework; the 15-driver, 17-central authorities fixed contact, 18-periphery fixed contact; the 19-cover plate, the 20-thin film switch, 21-presses spring.
Embodiment
Below, with reference to accompanying drawing form of implementation of the present invention is described.Fig. 1 is the exploded perspective view of the switching device of the 1st embodiment of the present invention, Fig. 2 be this switching device want portion's profile, Fig. 3 is the key diagram of manufacturing process of the thin slice of the expression band travelling contact that is used in this switching device, and Fig. 4 is the vertical view of the thin slice of this band travelling contact.
As shown in Figure 1, the switching device of present embodiment, comprise: have a plurality of fixed contacts 1 circuit substrate 2, a plurality of travelling contacts 3 on this circuit substrate 2 of mounting, keep the adhesive sheet 4 of each travelling contact 3, this adhesive sheet 4 is made of the surface sheets 5 and the partition 6 of stepped construction.In addition, this switching device is configured in the not shown shell of portable telephone of charged sub-compass, disposes a plurality of operation keyss (not shown) corresponding with each travelling contact 3 on the guidance panel of this shell.
Travelling contact 3 is the springs of pressing that are shaped as arcuation, and as shown in Figure 2, the circumference of travelling contact 3 contacts with the peripheral fixed contact 1a of fixed contact 1 all the time, the central portion of travelling contact 3 exist predetermined distance ground relative with central fixed contact 1b to.This travelling contact 3 is to form for raw-material sheet metal by cold rolling SUS305 with JIS specification (JIS) (summary consists of 18Cr-12Ni-0.1C), behind the relative permeability of the travelling contact 3 after having measured cold rolling processing (using LP-141, the micrometer of electronics magnetic industry (strain) system), the relative permeability of finding travelling contact 3 is (an average measured value 1.0012) below 1.01.Wherein it should be noted that,,, be and overlook 5 travelling contacts of crosswise arrangement, measure the i.e. relative permeability at the travelling contact place of central authorities in its crosspoint according to the mode of the condition identical with the relative permeability mensuration of existing travelling contact about described mensuration.
When making the one product of such travelling contact 3 and adhesive sheet 4, as shown in Figures 3 and 4, at first, partition 6 is sticked on the conveying thin slice of being supplied with by endless belt (hoop) 8, then, on partition 6 and conveying thin slice 8, offer through hole 6a, 8a by drift respectively.Secondly, behind the 5 sealing through hole 6a of adhesive surface thin slice on the partition 6, travelling contact 3 is inserted in through hole 6a, the 8a, will stick on above this travelling contact 3 on the following adhesive of surface sheets 5 from the below of carrying thin slice 8.At last; by the 9 sealing through hole 8a of stickup protection thin slice below carrying thin slice 8, obtain being secured at that adhesive sheet 4 (surface sheets 5 and partition 6) is gone up and covered the thin slice 11 of the following band travelling contact of travelling contact 3 by peeling sheet 10 (carrying thin slice 8 and protection thin slice 9).In addition, the conveying thin slice 8 that constitutes peeling sheet 10 and protection thin slice 9 are made of non magnetic insulation films such as mylar, take care ofs before going into 3 groups of travelling contacts in the switching device, when carrying, be with the thin slice 11 of travelling contact to be wrapped on the spool 12.And, when group is gone in the switching device,, then can simply and exactly 4 groups of travelling contact 3 and adhesive sheets be gone on the assigned position of circuit substrate 2 as long as remove peeling sheet 10 (carrying thin slice 8 and protection thin slice 9) from the thin slice 11 of band travelling contact.
The switching device of Gou Chenging like this, at never not illustrated operation keys during to travelling contact 3 effect pressing forces, travelling contact 3 leaves from central fixed contact 1b by self recuperability, and therefore, peripheral fixed contact 1a and central fixed contact 1b are not conducted and are off-state.In addition, from operation keys during to travelling contact 3 effect pressing forces, utilize this pressing force to make bend upset and follow sense of clicking of travelling contact 3, because travelling contact 3 contacts with central fixed contact 1b,, peripheral fixed contact 1a and central fixed contact 1b be on-state by travelling contact 3 conductings so being situated between.Institute it should be noted that, also can replace the finger presses operate mobile contact 3 that operation keys utilizes the user, at this moment, can form display parts such as literal, figure on surface sheets 5.
Switching device according to present embodiment, because travelling contact 3 is by being that raw-material nonmagnetic stainless steel steel form with SUS305, so bring bad magnetic influence behind near assembling travelling contact 3 geomagnetic sensor 7, can not for geomagnetic sensor 7, can realize to prevent the portable telephone of charged sub-compass of the misoperation of geomagnetic sensor 7.In addition, because the travelling contact 3 before group is gone in the switching device can not adsorb metal powder, so can not damage contact reliability because of the absorption metal powder, and, therefore travelling contact 3 after organizing in the switching device by surface sheets 5 coverings, is just seen from this point and can be improved contact reliability.
Fig. 5 is the vertical view of the switching device of the 2nd embodiment of the present invention, and Fig. 6 is the profile along the VI-VI line of Fig. 5, and Fig. 7 is the wafer that has of this switching device and the vertical view of travelling contact.
The switching device of present embodiment, be the push-button switch that is assembled in the individual event of using on the interior printed substrate of electronic equipments such as portable telephone or game machine, it has: the wafer 13 of built-in travelling contact 12, the top framework 14 that is overlayed on this wafer 13, the driver 15 of pressing operation travelling contact 12.Wafer 13 is to constitute with a pair of peripheral fixed contact 18 by the central fixed contact 17 that outside moulding on plastic pedestal 16 is made by non magnetic conduction materials such as SUS305, and two peripheral fixed contacts 18 are outstanding to the end face of pedestal 16 as terminal 18a.Travelling contact 12 is also identical with the described travelling contact of the 1st embodiment 3, this travelling contact 12 also with SUS305 as raw material by the cold rolling arcuation that is processed into, measure the relative magnetic susceptibility after the cold rolling processing, be below 1.01.Travelling contact 12 is inserted in the recess 16a of pedestal 16 and positions, its circumference all the time with two peripheral 18 contacted whiles of fixed contact, central portion and central fixed contact 17 exist predetermined distance ground relative to.In addition, the top of recess 16a sealed by the cover plate of being made by non magnetic insulation films such as mylar 19, so that make foreign matters such as dust can not enter contact portion by this cover plate 19.
Framework 14 is carried out punch process to nonmagnetic metal flat boards such as SUS305 and is formed, and its one is bent to form the 1st elastic tongue piece 14a and the inside from the side side of giving prominence to towards oblique below from it and is trapezoidal the 2nd outstanding elastic tongue piece 14b.Framework 14 utilizes modes such as springlock to be fixed on the wafer 13, on framework 14 and stick on configuration driven device 15 between the cover plate 19 on the pedestal 16.This driver 15 has drive division 15a, and the front end of this drive division 15a is formed spherical, the 1st elastic tongue piece 14a of this drive division 15a and framework 14 relative to.
In the push-button switch that constitutes like this, at pressing operation not during to the outstanding driver 15 in the side of wafer 13, because travelling contact 12 separates from central fixed contact 17 by self recuperability, so central fixed contact 17 is not conducted with peripheral fixed contact 18 and becomes off-state.On the other hand, to interior side's pressing operation driver 15 of wafer 13 time, owing to drive division 15a moves the central portion of pushing travelling contact 12 along the 1st elastic tongue piece 14a to oblique below, so this pressing force makes travelling contact 12 bend, overturn and is attended by sense of clicking.Its result is owing to travelling contact 12 contacts with central fixed contact 117, so central fixed contact 17 is conducted by travelling contact 12 with peripheral fixed contact 18 Jie and becomes on-state.In addition, behind the pressing operation of having removed driver 15, driver 15 is owing to the bounce of the 1st and the 2nd elastic tongue piece 14a, 14b is returned to the origin-location, and travelling contact 12 is also by self recuperability and leave from central fixed contact 17 and become off-state again.
The switching device of present embodiment (push-button switch) is also because utilization is that raw-material non-magnetic stainless steel steel form travelling contact 12 with SUS305, so metal powder can not be adsorbed on the travelling contact 12 of group before going in the shape device, can prevent to damage the problem of contact reliability because of the absorption metal powder, and, because the travelling contact 12 that group is gone into behind the switching device is covered by cover plate 19, so say also from this point and can improve contact reliability.In addition, in the time of in the electronic equipments such as portable telephone that this switching device are used in the charged sub-compass that is built-in with geomagnetic sensor, can prevent that travelling contact 12 from bringing bad magnetic influence to geomagnetic sensor.
Fig. 8 is the profile of the switching device of the 3rd embodiment of the present invention, and this switching device has thin film switch 20 and presses spring 21, presses spring 21 and is maintained on the thin film switch 20 by the adhesive sheet 24 that is made of surface sheets 22 and partition 23.
In the switching device that constitutes like this, do not act on when pressing spring 21 at pressing force, press spring 21 by self recuperability and keep arch shape and be maintained on the upper film 26, so travelling contact 28 deviates from mutually with fixed contact 29, thin film switch 20 becomes off-state.On the other hand, when pressing spring 21 by not shown operation keys or user's finger presses, this pressing force makes to be pressed spring 21 press-bending upsets and follows sense of clicking, makes upper film 26 crooked downwards by the spring 21 of pressing that overturns.Its result, travelling contact 28 contacts with fixed contact 29, thin film switch 20 becomes on-state.In addition, after removing to the above-mentioned pressing force of pressing spring 21, press spring 21 by self recuperability and revert back to arcuation, upper film 26 also oneself is restored travelling contact 28 is left from fixed contact 29, therefore, thin film switch 20 becomes off-state again.
In the switching device of present embodiment, by with SUS305 be raw-material nonmagnetic stainless steel steel form give sense of clicking press spring 21, therefore, even when this switching device being used in the electronic equipments such as portable telephone of the charged sub-compass that is built-in with geomagnetic sensor, can prevent that also pressing spring 21 brings bad magnetic influence to geomagnetic sensor.
Claims (7)
1. press spring for one kind, it is characterized in that:
Follow the pressing force from the outside to carry out rotary movement and then carry out self restoring action along with removing this pressing force, this is pressed spring and is arcuation by the stainless steel steel and is shaped and obtains, and magnetic susceptibility is below 1.01 relatively.
2. the spring of pressing as claimed in claim 1 is characterized in that: above-mentioned stainless steel steel are SUS305 of JIS specification.
3. a band is pressed the thin slice of spring, it is characterized in that:
Have adhesive sheet, claim 1 or 2 described spring and the non magnetic peeling sheet pressed,
Above-mentioned adhesive sheet has the slice part that is made of nonmagnetic film and the following adhesive that is arranged on this slice part, above-mentioned press spring above be secured on the above-mentioned adhesive, above-mentioned peeling sheet is secured on the above-mentioned adhesive sheet.
4. switching device is characterized in that:
But comprise the insulated substrate with fixed contact and the travelling contact of the arcuation of relative said fixing contact contact separation, and be that stainless steel steel below 1.01 form above-mentioned travelling contact by relative magnetic susceptibility.
5. switching device as claimed in claim 4 is characterized in that: above-mentioned travelling contact is the SUS305 of JIS specification.
6. as claim 4 or 5 described switching devices, it is characterized in that: also have the geomagnetic sensor that can detect earth magnetism, and this geomagnetic sensor is configured on the above-mentioned insulated substrate or the below of this insulated substrate by close.
7. switching device as claimed in claim 4 is characterized in that: when being configured in above-mentioned travelling contact on the above-mentioned insulated substrate, utilize the upper foil that is made of insulation film to cover this travelling contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004065891 | 2004-03-09 | ||
| JP2004065891A JP2005259376A (en) | 2004-03-09 | 2004-03-09 | Click spring, sheet having the same, and switch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1667770A true CN1667770A (en) | 2005-09-14 |
| CN100380549C CN100380549C (en) | 2008-04-09 |
Family
ID=35038780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100067996A Expired - Fee Related CN100380549C (en) | 2004-03-09 | 2005-02-03 | Point-push spring, sheet with point-push spring and switch device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2005259376A (en) |
| KR (1) | KR20060041981A (en) |
| CN (1) | CN100380549C (en) |
| TW (1) | TWI253661B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426436C (en) * | 2004-10-20 | 2008-10-15 | 松下电器产业株式会社 | Movable contact unit, manufacturing method of the same, and manufacturing method of panel switch |
| CN111316392A (en) * | 2017-10-30 | 2020-06-19 | 阿尔卑斯阿尔派株式会社 | Push switch |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8485904B2 (en) | 2010-02-09 | 2013-07-16 | Sony Corporation | Operation device |
| JP2011164931A (en) * | 2010-02-09 | 2011-08-25 | Sony Computer Entertainment Inc | Operation device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH064905B2 (en) * | 1985-03-20 | 1994-01-19 | 日新製鋼株式会社 | Non-magnetic stainless steel with excellent spring characteristics |
| JP2001160334A (en) * | 1999-09-22 | 2001-06-12 | Alps Electric Co Ltd | Seat with movable point of contact and switching apparatus that uses the seat |
| JP2003257282A (en) * | 2002-03-04 | 2003-09-12 | Alps Electric Co Ltd | Sheet with movable contact |
-
2004
- 2004-03-09 JP JP2004065891A patent/JP2005259376A/en not_active Withdrawn
-
2005
- 2005-01-31 TW TW094102904A patent/TWI253661B/en not_active IP Right Cessation
- 2005-02-03 CN CNB2005100067996A patent/CN100380549C/en not_active Expired - Fee Related
- 2005-02-16 KR KR1020050012631A patent/KR20060041981A/en not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426436C (en) * | 2004-10-20 | 2008-10-15 | 松下电器产业株式会社 | Movable contact unit, manufacturing method of the same, and manufacturing method of panel switch |
| CN111316392A (en) * | 2017-10-30 | 2020-06-19 | 阿尔卑斯阿尔派株式会社 | Push switch |
| CN111316392B (en) * | 2017-10-30 | 2022-02-22 | 阿尔卑斯阿尔派株式会社 | Push switch |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060041981A (en) | 2006-05-12 |
| CN100380549C (en) | 2008-04-09 |
| TW200535884A (en) | 2005-11-01 |
| JP2005259376A (en) | 2005-09-22 |
| TWI253661B (en) | 2006-04-21 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080409 Termination date: 20100203 |