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7482543 |
Signal generating module
A signal generating module is provided. The signal generating module includes a processor, an arcuate elastomer, a first fixed contact, a second fixed contact, a first pin, and a second pin. The...
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7285741 |
Push-button switch
It is intended to provide a push-button switch capable of providing a comfortable and natural click touch. To achieve the purpose, the button turns downward about the point which joins the buckling...
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7091952 |
Liquid proof switch array
Switch arrays such as keyboards are described. The switch arrays may include an array of dome spring elements. Each dome spring element may define a chamber, and a plurality of channels may...
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7060923 |
Key
A key has a varying response depending on the manner of depression. The key comprises at least a base and a switching element arranged curved relative to one another. Between the switching element...
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7056042 |
Cover structure for a keypad
A top structure for a keypad, comprising a number of key caps. The structure comprises a solid flexible layer, which is placed above the key caps or directly on them, and arranged to yield when the...
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6967056 |
Key sheet
A key sheet comprising a key top, a translucent resin film, and a symbol layer. The key top is made of resin and has a top surface and a rear surface. The key top includes a gate corresponding...
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6958183 |
Key top plate and a method for manufacturing the same
A first film plate 20 and a second film plate 40 , each made of flexible resin film, are attached to a top surface and a bottom surface of a key top 30 made of mold-resin, respectively, so as...
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6927352 |
Lateral displacement multiposition microswitch
A multiposition microswitch that includes a cavity, a mobile portion made of a deformable material extending above the cavity, at least three conductive tracks extending on the cavity bottom, and a...
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6911608 |
Keypads and key switches
A keypad with both elevated and non-elevated key regions, and key switches disposed beneath both types of key regions. The non-elevated key regions each provide corresponding character output based...
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6880995 |
Elastic-cup support for computer keyboard
An elastic-cup support for keyboard is in the form of a flat locating sheet located on a membrane-type switch circuit board of the keyboard, and provided at positions corresponding to membrane-type...
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6809660 |
Keypad and electronic device
The present invention discloses a keypad ( 25 ) for an electronic device including a plurality of fingers ( 26,27,28 ) having a splayed open configuration and a plurality of keys ( 31 ) on each...
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6803534 |
Membrane for micro-electro-mechanical switch, and methods of making and using it
A micro-electro-mechanical (MEMS) switch ( 10, 110 ) has an electrode ( 22, 122 ) covered by a dielectric layer ( 23, 123 ), and has a flexible conductive membrane ( 31, 131 ) which moves between...
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6694605 |
Method of manufacturing a selectively insulated dome switch
The present invention includes a new dome contact construction having an integral insulative layer that is precisely cut and aligned with the dome contact mechanism during fabrication. Prior to...
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6690360 |
Liquid proof switch array
Switch arrays such as keyboards are described. The switch arrays may include an array of dome spring elements. Each dome spring element may define a chamber, and a plurality of channels may...
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6670750 |
Luminous EL sheet having a domed diaphragm and a switch employing the EL sheet
An EL sheet is used as a back light of an operating section of various electronic apparatuses. The EL sheet generates a stable click feel and is easily processed. A switch employing the EL sheet is...
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6617536 |
Dome switch
A dome switch includes a front sheet ( 22 ) which protrudes outside and can be reversed inside and has dome-shaped protuberances ( 27 ), each protuberance having an electrode provided therein; an...
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6595653 |
Light illuminating type switch
A light illuminating type switch with a good click rate and having a desired click characteristic near to that of a single member of a metal dome. Fixed contacts 7 a are provided on a base sheet ...
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6593537 |
Membrane switch
A membrane switch fixes click springs at fixed positions and largely reduces the damage caused by dust and moisture affecting contact points. The membrane switch includes fixed contact points on a...
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6572950 |
Laminate key sheet
The present invention relates to a laminate key sheet wherein a key sheet of a resin film having a display section is bent into a same form as the top and side faces of each resin button in order...
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6489580 |
Push-on switch, electronic apparatus using the same and method for mounting the switch
A push-on switch includes an insulating resin case 21 which contains a main body 24 , a central fixed contact point 22 and an outer fixed contact point 23 fixed on the back wall of a...
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6369801 |
Contact detection device, apparatus using such a device and radiotelephone comprising such an apparatus
A contact device includes a first insulating film having a dome and a planar surface surrounding the dome. A contact electrode is formed on an inner surface of the dome. A detection circuit is...
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6333477 |
Switch having improved contact performance
A switch that provides a stable contact and a superior feeling of operation despite the small profile. Its movable contact point 15 comprises a round dome section 15A, a flat section 15C formed by...
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6201202 |
Switch operating rubber member and switch device
A switch device turns ON and OFF the contact pattrns of a switch substrate by pressing an operating button and turning the turning plate section of an operating rubber member serving as a switch...
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6103346 |
Sheet-like key top and its manufacturing method
To make spherical shape of the terminal end of extruding part of a push-button switch to press a curved contact portion composed of a metal belleville spring and a resin film dome. In addition, the...
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6067005 |
Multi-speed multi-direction analog pointing device
A compact, low-cost pad pointing device with improved performance, reliability and durability, having an integrated selection switch, that can be used as a cursor pointing device and selection...
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6054939 |
Keyboard assembly
A keyboard assembly capable of protecting the circuit membrane or other internal circuitry in the keyboard from being damaged by water flowing in from the key seats and from the bolt holes. The...
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6040542 |
Flexible switch apparatus and method for making same
A switch apparatus (12) includes a substrate (20) of a resilient material having a first surface (40), with a channel (44 or 46) formed through the substrate to define a flex portion (48) of the...
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5957272 |
Push button for control panels
A push button which is employed in a control panel includes button body, a pushing finger, and a core. The button body has hollow space formed at an inner portion thereof and a bellows portion...
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5924555 |
Panel switch movable contact body and panel switch using the movable contact body
In a panel switch movable contact body, and a panel switch using the movable contact body, the upwardly curved upper surface of a dome-shape movable contact 1 made of a thin elastic metal plate is...
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5909804 |
Depression activated switch
A depression actuated switch which is suitable for achieving a reduction thickness and which does not easily malfunction even when an end depressing operation is performed thereon includes: a...
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5881866 |
Push button switch covering assembly including dome contact
The push button switch covering assembly of the invention comprises a push button switch covering member made from a transparent rubbery material and a clicking member with a clicking diaphragm...
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5824978 |
Multiple detent membrane switch
An improved membrane switch includes multiple detents. A pair of electric circuits are completed by the membrane switch. The switch includes the pair of open electric circuits, three flexing areas,...
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5743384 |
Self-leveling key switch
A low cost self-leveling keyswitch 10 having a keytop 32 with an elongated keycap 34 that extends in a major direction. The keytop 32 has an off-set keystem 36 that is slidably mounted in a keystem...
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5719361 |
Mechanism for multiple dome dual detent
The invention includes a mechanism for multi-dome switch having first, second, third and fourth collapsible dome structures. An elongated action bar extends across and bridges a pair of collapsible...
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5717429 |
Low profile, light weight keyboard
Portable electronic devices, such as notebook computers, are provided with the capability of a low profile and light weight keyboard, allowing greater reduction in the size and weight of portable...
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5704467 |
Keypads
A keypad is provided wherein the keys are sealingly mounted in keyholes provided in a housing by means of a key mount which centers each key and seals the space between each key and the edge of its...
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5674018 |
Weatherproof electronic keypad with replaceable graphics overlay
A weatherproof electronic keypad includes a molded plastic housing, a plurality of transducers attached to the inside surface of the front wall of the housing, an electronic circuit mounted within...
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5655650 |
Push button switch
There is disclosed a push button switch which comprises rubber contacts each including a contact portion (311), a flared portion (312) formed integrally with the periphery of the contact portion...
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5595288 |
Thin switch including domed contact
A thin switch includes, (a) a rectangular insulating substrate, (b) a unitary fixed contact member comprising a T-shaped conductive thin-metal including a fixed contact, a first terminal, and a...
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5559311 |
Dual detent dome switch assembly
An electrical switch assembly has a resilient dual detent dome carrying concentric electrically conducting pellets which sequentially contact conductive ends of traces on a printed circuit board in...
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5525979 |
Low configuration keyboard
A low-profile keyboard (5) each switch (3) having a dished keybutton (3) held upward by a rubber dome (49) and having ribs (55) which depress extension (43 and 31) which carry electrical traces (45...
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5475192 |
Keytop sheet for push-button switches
A keytop sheet of a push-button switch includes a keytop, which is made of synthetic resin, molded on a sheet of resin film. A portion of the film sheet surrounding the portion thereof on which the...
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5412169 |
Rocker switch with improved rocker actuator
An electrical switch assembly is disclosed to include a housing mounting a pair of spaced switches. A rocker actuator is rockably mounted for movement relative to the housing about a rotational...
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5389757 |
Elastomeric key switch actuator
A key switch and resilient actuator assembly that includes an electrical switching region and a hollow open ended actuator cover of elastomeric material overlaying the switching region with the...
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5358579 |
Method for manufacturing a panel switch attached to electronic apparatus
A method for manufacturing a panel switch comprises of the steps of respectively mixing first and second adhesives which have no adhesive quality at a room temperature and have adhesive quality at...
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5357065 |
Circuit unit for electronic instrument having key-pad arrangement
A circuit unit is used in an electronic instrument having a key-pad arrangement, such as a portable telephone, and comprises a printed circuit board, a flexible switch circuit sheet attached to the...
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5335076 |
Soft shroud for screen display device
There is disclosed a housing for a thin, flat display screen such as a liquid crystal display. The housing is formed of components comprising a front housing section having a front panel with an...
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5313027 |
Push button switch assembly including single or plural sequentially closed switches
A push switch is capable of performing a first switching operation and subsequently a second switching operation when a pressing force is applied to the switch. The push switch includes (a) an...
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5310973 |
Structure of key switch
A key switch includes a switching member supported on a resilient member and connected to a key cap and driven by it to slide in a locating member. The switching member has two opposite, curved...
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5298705 |
Snap disk type switch
A pushbutton switch having a frustoconical switch cap of plastic, which acts as a restoring element, is proposed, which switch cap permits a very exact switching operation in comparison with known...
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