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Document Title |
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4803315 |
Printed circuit board
A printed circuit board comprising a dielectric film substrate and a plurality of circuit patterns for a capacitor switch formed on said dielectric film substrate at a certain space from each...
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4801768 |
Compact electronic device
A key switch structure comprises a first insulating cover having on one surface thereof a first conductive layer and an anisotropically electrical conductive layer printed on the first conductive...
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4801771 |
Force sensitive device
There is provided a force sensitive device comprising a first conductive layer, a second conductive layer resiliently deformable to come into contact with the first conductive layer, a certain...
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4797538 |
Calculator--horn button
Apparatus including a calculator that can also function as a horn button is provided for a motor vehicle. The apparatus is mounted on the center of the steering wheel and its downward depression...
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4796007 |
Micro-motion keyboard
A keyboard assembly is disclosed comprising a waterproof portion which includes a sheet of printed key tips mounted on a cover support member overlying an indicia sheet identifying the key tips,...
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4795861 |
Membrane switch element with coated spacer layer
An open-contact membrane switch element (1,2) comprising a plastic film substrate (10) carrying a first conductive circuit (13), a dielectric coating (30) applied to cover the circuit (13) on the...
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4794215 |
Push switch sealed against contaminants
A push switch having a mount base 11 made of a heat resisting and insulating material and having a recess 11a in the top surface thereof, the recess 11a receiving a plurality of contact terminals...
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4794234 |
Electronic apparatus
An electronic apparatus including a cabinet, and a lens provided in the cabinet, a transparent keyboard provided on the lens, so that images of things such as letters below the electronic apparatus...
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4791258 |
Sealed enclosure for electrical circuitry in moist environment
A sealed enclosure is provided for electrical circuitry to be located in a moist environment, as near a spa. The enclosure includes a housing of electrical insulating material, a display overlay...
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4788447 |
Switch control device for motor vehicle
A switch control device for controlling a plurality of switches for actuating apparatuses of a motor vehicle, respectively, including at least one stop mode switch allowed to be operated only in a...
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4786766 |
Keyboard apparatus
The first example of a keyboard apparatus of the invention intends to prevent the inclination and shake of a key button by forming retaining claws so as to project downwardly at locations near the...
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4786767 |
Transparent touch panel switch
An improved transparent touch panel membrane switch for use and shielding in front of a visual display terminal is disclosed. The switch is made up of a plurality of plastic sheets arrayed...
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4777563 |
Thin type electronic instrument
Disclosed in a thin type electronic instrument having a structure comprising a circuit base plate for mounting an integrated circuit chip thereon and a power source battery for supplying power to...
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4775574 |
Covering member of keyboard and a base plate therefor
A covering member of keyboard prepared by separately fixing the push button elements to a base plate instead of integral molding is disclosed in which the plate has openings arranged conforming to...
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4774501 |
Operator panel for a data input unit
An operator panel for a data input unit has a printed circuit board on which key switches corresponding to a number of commodities are arrayed. A flexible sheet is bonded over the keytops of the...
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4773090 |
Sub-assembly for electrical apparatus and electrical apparatus including such a sub-assembly
A sub-assembly (20) of a housing for electronic equipment and which is capable of carrying electronic components. The sub-assembly (20) comprises an injection moulded plastics body having an area...
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4771143 |
Diaphragm keyboard
The diaphragm keyboard comprises a baseboard from the bottom of which pins (11) project in vertical direction. These pins (11) pass through apertures (22) in an encoding plate (20) and extend...
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4771146 |
Keyboard key top mounting structure
A keyboard key top mounting structure including a plurality of lever support means provided on the back of a key top, the lever support means being each provided with wing portions for abutment...
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4771139 |
Keyboard with metal cover and improved switches
An improved keyboard is provided with a flexible metal cover, normally closed switches, and multiple throw switches. The metal cover is made flexible in the area of each key or switch by the...
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4769516 |
Finger operated switching apparatus
A keyboard includes a plurality of keys thereon, each of which is capable of three different switching actions for entry of data or commands into a word processor, typewriter, computer or the like....
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4767943 |
Switch arrangement
In a switch arrangement for switching electrical functions with at least two switches (A;B) having electrical contact elements (8;9;10;11), at least one of the switches (A;B) is made as a foil...
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4766271 |
Elastomer-made push button switch covering member
The invention provides an elastomer-made push button switch covering member having a dome-like configuration integrally composed of a base portion, a top portion and a riser portion connecting the...
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4764770 |
Stabilized molded rubber keyboards
A keyboard assembly has a PC board providing a series of switch contacts and a molded rubber keyboard providing a rubber base sheet overlying the PC board and having a series of rubber keys...
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4762983 |
Thin electronic apparatus
An electronic apparatus comprising a plurality of assembly elements and a heat-sensitive adhesive synthetic resin film tape inserted between the plurality of assembly elements and the heat adhesive...
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4760217 |
Keyboard having lower casing with integral upraised portion for supporting PC board, and key switch having air vent in PC board
A keyboard including an upper casing which has a key-holder member for movably supporting keys with a movable electrode, and a lower casing which has an integrally formed upraised portion which...
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4760221 |
Multiple contact switch
A multiple contact switch having at least one elastically deformable contact spring that is deformed by means of projections from a plunger to initiate contact with normally-open electrical...
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4758699 |
Pressure responder
A thimble-shaped button actuator largely formed of insulating material has a cup-like base with an inside step and is symmetrical about an axis. A thimble is reciprocable in the base along the...
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4749875 |
Compact electronic equipment
In compact card-like equipment having an IC chip and a power source cell, an equipment case has a multilayered structure of a pair of upper and lower sheets and a pair of upper and lower panels...
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4746953 |
Membrane strip control
A control system for entering data into a copier controller relating to the parameters of an original to be copied, having a platen upon which the original is placed for exposure, comprising...
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4743722 |
Touch contact switch with arched switching film
A switch designed to be activated by touch contact has a switching chamber ith contact surfaces on opposite sides thereof. A flexible switching film carries one of the contact surfaces and is...
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4736190 |
Sheet membrane keyboard and electronic apparatus using same
The present invention is a simplified membrane keyboard employing a single flexible sheet. This membrane keyboard is employed in an electronic apparatus having an external case with a nonconducting...
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4734679 |
Pushbutton keyboard assembly
A pushbutton keyboard assembly has a plurality of pushbuttons mounted over a circuit board. A circuit pattern on the circuit board has a plurality of switch positions and a pushbutton is aligned...
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4733590 |
Keyboard switch apparatus for electronic musical instrument
A keyboard switch apparatus for an electronic musical instrument has first, second and third layers, and first and second switches. The second layer has elasticity and is separated from the first...
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4733024 |
Key switch
A key switch is provided with a depressable part having a contact set in its underside and held apart from a stationary contact located below it. The depressable part has a key switch surface...
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4727225 |
Electrical switch for actuating a plurality of circuits
An electrical switching apparatus is disclosed for making or breaking a plurality of electrical connections substantially simultaneously. The apparatus includes a planar substrate, a first set of...
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4726377 |
Modular control for tanning beds
A modular timer assembly for controlling tanning beds and alike including a power supply module and a plurality of removably attached timer modules affixed between end panels; the timer modules...
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4725817 |
Pressure responsive panel
An instrument adapted to make assessments in sensory evaluation comprises two wafers which are separated by spacers and are provided on their opposing faces with conductive patterns. Upon use, the...
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4720610 |
Membrane key switch with anti-inversion feature
A keyboard matrix switch (10) is provided which features a membrane layer (22) having dimples (30) therein at each key switch site to provide a proper tactile feel upon actuation. Each dimple (30)...
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4720609 |
Pushbutton switch device
A pushbutton switch device has a flat carrier having first and second swi contacts and a switch button arrangement for actuation of the first and second switch contacts. In order that the first and...
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4719322 |
Radio housing and expandable chassis with integral keypad and acoustic speaker seal
An expandable chassis includes a four sided frame with a central opening to receive a plate or "shield" which is allowed to move within the frame between two predetermined positions. Protuberances...
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4719455 |
Integrating pointing device
A pointing and control device for moving a cursor on a visual display and for controlling various operations, being operated by hand and finger movements, including both fine movement control and...
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4716262 |
Vandal-resistant telephone keypad switch
A shielded electrical switch includes a pressure-actuated switch comprised of three layers, the top and bottom layer of which are electrically-conductive and the intermediate layer of which is a...
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4713507 |
Key operated switch for keyboard
A key operated switch for keyboards having an improved layer type construction comprising a key carrier and key return spring supporting printed circuit conductors and contacts so arranged as to...
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4710602 |
Illuminated rocker switch assembly
A rocker switch assembly includes a rocker pivoted about a central axis, an actuator responsive to the rocker and pivoting about either end, and conductive rubber push-button switches selectively...
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4710597 |
Keyboard for the control box of an electric apparatus
Keyboard for the control box (11) of an electric apparatus comprising a sheet (1) which forms a plurality of contactors (2) each projecting from the sheet through a blister (3) which is elastically...
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4707570 |
Manual information input device
A manual information input device allows the user to manually enter desired information using a readily available writing instrument such as a pencil rather than a specially designated input stylus...
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4706536 |
Membrane keyboard for songbook tone generator
A membrane keyboard for e.g. a low cost electronic tone generator of the type affixed to the binding of a songbook is disclosed. The keyboard includes a base carrying a set of interdigital upwardly...
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4707578 |
Key operated printed circuit switch
A key operated switch for keyboards having a layer type construction of key support carrying printed circuits arranged to facilitate fully automatic production of keyboards. Further, the simple...
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4703139 |
Method in a snap dome switch keyboard assembly for reducing contact bounce time
A snap dome switch keyboard assembly including a printed circuit board having dual contact switch sites with piggy-back snap domes, button actuators for each of the piggy-back snap domes, and an...
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4703160 |
Casing structure of portable electronic appliance
A unital casing structure of a portable electronic appliance such as a handheld or desktop calculator, comprising at least two panel sections having a straight boundary line therebetween and...
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