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5448026 |
Double-axis key switch
A double-axis key switch has a key cap with a pair of key stems which slide into a housing to actuate a pair of switches. The key stems are slightly out of parallel so that the axes of the key...
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5438177 |
Two-layer membrane switch
A two-layer membrane switch particularly suited for application as a keyswitch in low-profile keyboard applications, such as keyboards for notebook or laptop type personal computers. When used as a...
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5430263 |
Computer keyboard with integral dome sheet and support pegs
A computer keyboard has multiple rows of cantilevered keys which are flexibly attached to common mounting strips. The rows of cantilevered keys are arranged to partially overlap adjacent rows such...
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5430262 |
Multiple switch arrangement including membrane dome contacts and multi-directional tilt actuator
A multiple switch device comprises a base having at least two switch units and supports with pawls placed on the tips of the pawls, a push button having at least two push members and supports with...
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5422447 |
Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch
An improved alphanumeric keyboard 10 is illustrated for use in lap top or notebook personal computers 12. The keyboard 10 has a plurality of full travel, self leveling keyswitches 14 for actuating...
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5421659 |
Keyboard housing with channels for draining spilled liquid
A keyboard includes a body having a number of depressions formed in the upper portion for collecting water, a-number of channels extend upward from the depression for slidably receiving buttons. A...
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5412164 |
Dual action switch assembly with sequentially actuated membrane switches including a reciprocating circuit board
A two-way dual action electric switch assembly has an actuator that slides in housing from a neutral position to a first position to a second position and back to the neutral position in each...
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5408057 |
Multiple electrical switch control device including bracket with severable plungers and method
A control device and method of making the same are provided, the control device having a plurality of electrical switch units carried by a support, a bracket structure carried by the support and...
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5401922 |
Membrane switch
A membrane switch including first and second substantially flexible electrical contacts and a first layer of dielectric material deposited between and on one surface of one of the first and second...
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5399821 |
Keytop for push-button switches, and method of manufacturing same
A push-button switch keytop includes a flexible resin film deformed in such a manner that the resin film bulges upwardly to form a curved portion that is filled with a molding resin while the resin...
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5397867 |
Light distribution for illuminated keyboard switches and displays
Disclosed is the backlit display and/or backlit keyboard display which have a controlled level of illumination at the surface thereof. Where such switch and/or display are illuminated by a light...
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5388922 |
Miniature keyboard
A miniature keyboard assembly for generating code signals representative of selected characters and functions. The assembly including at least one but preferably, two glide keys, each coupled to a...
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5389755 |
Computer key switch device
A computer a key switch device comprised of key cap, a key body plate and a rubber base plate, wherein the key body plate has a raised key body portion with a respective center hole and a pair of...
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5384459 |
Illuminated switch and keypad assembly having a light gradient and a light conductive elastomeric assembly
A switch assembly (100) includes a key area (104) and a light reception section (114) for receiving light from input lightpipe (106) and providing some of the light to key area (104). Switch...
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5380969 |
Computer key
A computer key includes a socket member which confines a receiving space therein and which has a top wall that is provided with a through hole, a resilient biasing member which is disposed inside...
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5381142 |
Remote control unit having additional keys serviced via an interrupt
In a remote control unit, a controller is coupled to first and second pluralities of keys for determining which of the keys is depressed at any given time. The first plurality of keys is coupled...
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5371332 |
Sensor control and display unit for dental apparatus
A control board for a dental apparatus contains a control panel (1) having a plurality of key surfaces (2) for the actuation of sensor devices (3) that respond to a force or a change in force. The...
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5367133 |
Keypad including membrane with replaceable key elements
A keypad (10) comprises a membrane having a plurality of switch actuating portions (41). The keypad (10) further comprises key portions (44) corresponding to said switch actuating portions (41) and...
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5360955 |
Computer keyboard with cantilever switch design and improved PCB/switch membrane interface
A computer keyboard has multiple rows of cantilevered keys which are flexibly attached to common mounting strips. The rows of cantilevered keys are arranged to partially overlap adjacent rows such...
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5359166 |
Keyboard, especially for electronic data-processing apparatuses
A keyboard for electronic equipment screens off RF radiation by using a conductive housing (2), preferably made of extruded aluminum, which is closed off at its two ends by conductive end pieces...
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5359168 |
Switching and control mechanisms
In FIG. 1, an electrical circuit on a circuit board 9 can be controlled by operation of switches 2B, 3B, 4B. These are operated by removing portions of the board 9, effected by the snapping off of...
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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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5350890 |
Contact switch device
A switch assembly including a base member and at least one pair of conductors provided on the base member which are to be electrically connected. An outer baffle extends over the base member and...
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5348407 |
Snap-on control panel
A portable ink-jet printer and sheet feeder which can be battery powered. The printer may be manually fed paper for operation independent of the sheet feeder. The printer and sheet feeder are...
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5338910 |
Wall controller
A wall controller for controlling the speed of rotation of a ceiling fan and the intensity of light of a lighting fixture, which includes a junction box covered with a slotted mounting plate to...
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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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5329079 |
Computer keyboard with improved cantilever switch design
A computer keyboard has multiple rows of cantilevered keys which are flexibly attached to common mounting strips. The rows of cantilevered keys are arranged to partially overlap adjacent rows such...
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5324898 |
Motion detector and associated system
A detector assembly (20) detects motion by utilizing a plurality of motion detectors (22-28), each detector having a first finger (40) and a second finger (42 ). First finger (40 ) has a signal...
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5311656 |
Keypad method of manufacture
A keypad is comprised of a supporting frame, a plurality of snap action domes, and a plurality of pushbuttons each overlying a dome, all of the above being integrated and formed of a single piece...
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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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5306886 |
Keyboard switch
A keyboard switch has a deformable membrane which, when deformed, enables electrical contact between a pair of contacts. A key stem is urged away from the deformable membrane by an elastic body....
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5298706 |
Membrane computer keyboard and improved key structure
A computer keyboard employs a single monoblock structure to both support the keys and to define the aesthetic enclosure. The monoblock has multiple key supports into which key bodies are slidably...
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5294121 |
Direction control key assembly
A direction control key assembly comprises a base on which a cover is mounted to provide an interior space for receipt of a circuit board therein which has at least four switch units thereon...
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5278362 |
Push-button switch with display device
In a push-button switch with a display device for opening and closing an electric circuit by pressing an operating button, a touch panel is disposed on the top side of the operating button. First a...
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5274217 |
Keyboard having keys with different heights
A keyboard has keys arranged in parallel columns with all of the keys in a respective column projecting from a front plate the same distance. The keys of a first column are arranged to project a...
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5270499 |
Divergent collapsible seal
Briefly, according to the invention, a compression seal between two surfaces is provided by a body portion (212) conforming between the two surfaces (110 and 130). A first (211) and second (311)...
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5269499 |
Snap spring positioning device
A snap-acting positioning device comprising an enclosure, including a spring member having a plurality of sine-shaped bow sections disposed equidistantly in a circular pattern to take a disc shape...
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5268542 |
Push button operated multi-step switch including flexible circuit board and extending push element
A multi-step switch includes a resilient or resiliently mounted push button. In a first stage of the pressed-in state, the push button presses a contact surface against an at least partially...
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5257317 |
Sound recording console
A control console (1) for use in sound recording, and/or effects such as dubbing, the console (1) having a plurality, say 100 of sound channels, the console comprising a touch sensitive channel...
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5250771 |
Manually controlled key device
A device (301) having manually controlled keys (310), in particular for controlling actuator devices of a motor vehicle, particularly for electric window winders and/or electric door locks and/or...
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5243162 |
Transparent touch switch
An optically transparent touch switch is described. The switch is of the type which comprises a pair of glass sheets, transparent electrodes formed on one side of each glass sheet in such a way...
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5237327 |
Remote commander
A remote commander wherein a user can confirm operation of an operation key after such operation has a touch panel operating section including a display device for displaying an image of a...
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5219067 |
Keyboard pad structure for electronic devices
An electronic housing structure including an enclosure for containing at least one electronic device having a plurality of user interface switches. The electronic housing structure further has a...
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5218177 |
Screened pattern causing gaps around keyboard membrane spacer hole to increase venting and reduced bounce
First and second membranes carrying contacts located on opposing faces are separated by a third or spacer membrane having holes therein so that a circuit may be completed between the contacts when...
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5214256 |
Membrane type switch with improved elastomeric actuator including a cap mounted in an actuator depression
The switch includes a cap, a base portion, a dome retainer subassembly and a support portion. The base portion includes an upper surface and an actuator block. The cap and actuator block are...
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5212356 |
Computer keyboard with flexible dome switch layer
As a preferred embodiment, a computer keyboard dome sheet is illustrated in the figures showing a extruded sheet 30 with an elongated body 32 with parallel extruded ridges 44 corresponding to the...
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5206557 |
Microelectromechanical transducer and fabrication method
A microelectromechanical transducer including a plurality of strips arranged in an array and maintained in a closely spaced relation by a plurality of spacers. An electrically conductive layer on...
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5203448 |
Push button key switch
A push button key switch has an intermediate guide cylinder which is free to slide lengthwise inside a fixed guide cylinder and which at the same time holds the neck of a keytop while allowing it...
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5204511 |
Alphanumeric keyboard
An alphanumeric keyboard comprises a plurality of key operated switches and a cover frame which covers the switches and has bosses for receiving switch operating rams carried by key buttons having...
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5199555 |
Push button switch
A push button switch has a stem having a thin flange without requiring fabrication of synthetic material, thereby realizing a push button switch having good productivity and high reliability. To...
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