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7889048 |
Resistor network and variable resistor simulator
A variable resistor network has a coarse resistance network and a fine resistance network connected in series with the coarse network. The coarse resistance network comprises a chain of...
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7719404 |
Temperature detector/indicator
The invention relates to an electrical and/or optical temperature detector/indicator based on conductive polymers, said detector/indicator being suitably used in such packages for products, the...
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7663470 |
Trimming circuit and electronic circuit
A trimming circuit and an electronic circuit that decreases the resistance of an activated transistor while reducing the number of resistors. The trimming circuit includes a plurality of...
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7206952 |
Digital wake-up signal from switch transition of two analog signals
A digital wake-up signal is generated from an analog switch on a printed circuit board in which a ground trace and multiple conductive switch traces are bridged by a moveable contactor responsive...
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6853290 |
Switch/volume control assembly
The present invention relates to switch or volume control assemblies, in particular to switch or volume control assemblies to be mounted in e.g. hearing aids, said assembly comprising a movable...
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6720538 |
Thermostat variation compensating knob
A heating appliance having an electrical circuit that controls the temperature output of the heating appliance is provided with a bimetallic element that opens upon reaching a temperature level. A...
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6696915 |
Knob combined a rheostat and a pushbutton
A knob having a button for a rheostat includes a base, at least one arcuate contacts, a hub, a pushbutton cap with a conductive arc corresponding to the arcuate contacts and a biasing member...
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6646525 |
Microelectro-mechanical system actuator device and reconfigurable circuits utilizing same
A microelectro-mechanical device which includes a fixed electrode formed on a substrate, the fixed electrode including a transparent, high resistance layer, and a moveable electrode formed with an...
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6380502 |
Detented slide switch mechanism
A switch mechanism for an electrical slide switch that has a detenting or clicking action is disclosed. The switch mechanism provides such detenting action in a mechanism that has a switch lever...
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6369691 |
Switch type variable resistor
The present invention relates to a switch type variable resistor, including a rotation shaft, a bushing, a housing, a variable resistor portion, and a switch portion. The switch portion includes a...
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6369692 |
Directionally sensitive switch
An electrical switch has spaced, facing coupler and carrier layers with a set of electrodes formed on the facing surfaces thereof. There is an aperture in the coupler layer. A conductive armature...
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6184776 |
Accelerator module for electric vehicle
An accelerator module for an electric vehicle has a pivotal actuator upon which is mounted a wiping element for wiping engagement with variable and constant resistance elements formed upon a...
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6114944 |
Remote control for audio and video electronic appliances
A remote control device has a compartment enclosed by a housing and receiving a printed board that carries a potentiometer for controlling the volume of sound of an electronic sound device and a...
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5959525 |
Variable resistance slide control device with a switch
A variable resistance control device and switch has a base, made of insulating material, a rheostat, mounted to the base, and a switch, mounted to the base. The rheostat includes a variable...
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5939973 |
Rotary variable resistor with switch
A rotary variable resistor with switch having a switch mechanism, in particular, a rotary variable resistor with switch corresponding to an ultrathin rotary variable resistor. Such a rotary...
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5453728 |
Rheostatic device in a switching arrangement for electric tools
An electric tool rheostatic device in a switching arrangement is provided for regulating the speed of an electric motor in an electric tool. A circuit board for receiving electronic components is...
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5343187 |
Electric control device for an outdoor lamp
An electric control device for an outdoor lamp includes a control box having a side wall that is formed with a through hole, and a rotary-type variable resistance switch having a main switch...
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5331126 |
Pressure switch apparatus for monitoring pressure level in an enclosed chamber and methods of calibrating same and for making a movable contact arm for use therewith
A low pressure monitor for hybrid air bag systems for vehicles includes a pressure responsive disc 34.6 exposed on one side to a reference pressure chamber 34.11 and on the other side to the...
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5264821 |
Rotary, push-pull headlight switch with ceramic coated metal substrate rheostat and cam actuated dome light bypass switch
A rotary, push-pull switch (20) for use in an automobile has a rotating ceramic coated metal substrate rheostat (48) and a supplemental switch (52) which opens and closes a dome light bypass...
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5237304 |
Magnetic switch with EMI shield
A magnetically sensitive switch is provided with an electromagnetic interference shield molded within the housing of the switch. In one embodiment, the magnetically sensitive switch is a vane...
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5150095 |
Multi-position rotary switch with position sensor
A rotary switch for controlling electrical circuitry in ranges, ovens, etc., to be manually adjusted for control of function cycles. Included with the manually operated function selector are means...
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5144278 |
Variable impedance device and circuit for sensing adjustment thereof
A circuit and apparatus for sensing the adjustment of a variable impedance device includes an elongated switching element having an alternating series of conductive and non-conductive areas. The...
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5075604 |
Variable resistance switch
A variable resistance switch includes first and second flexible contact arms engageable by a pair of cam followers operable sequentially by an actuator movable in a first and an opposite direction....
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4994634 |
Sheet switch
A sheet switch comprises a pair of flexible insulative films, one of which is provided with a plurality of electrodes, resistances connected to the electrodes, respectively, and line patterns for...
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4983946 |
Variable resistor with switching mechanism
A variable resistor having a switching function includes a base plate, a first electrode formed on the base plate, a second electrode formed on the base plate, a third electrode formed on the base...
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4947054 |
Sliding dimmer switch
A system for controlling power to an electrical load includes a linear slide dimmer and a switch, whose pushbutton actuator moves up and down with the dimmer slider. When the pushbutton is...
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4939383 |
Wallbox-mountable dimmer and switch
A dimmer and switch device is adapted for mounting on a wall. The elements of the device that are visible when it is mounted on a wall are easily replaced. In another embodiment, a linear slide...
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4903003 |
Variable resistor with a switch
A variable resistor with a switch which minimizes appearances of an arc and prevents incomplete contact between contacts of the switch originating from such an arc. The variable resistor with a...
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4878154 |
Control body for Christmas tree
A control body includes a circuit board, a housing having three engaging sets and a base having electric wire guiding grooves each of which includes three spaced radially arcuate platelets, a cover...
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4827241 |
Combined, in-line spacer and switch, particularly for a vehicle's headlight
A composite headlight switch with buzzer circuit for use in a vehicle with, for example, a dome light, the dome light switch being located in line with the remaining switch elements in a front area...
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4812804 |
Controller for electric devices directed to use in bath
Disclosed is a novel controller for electric devices directed to use in bath, comprising a moisture- and waterproof container that encloses the main part of an electric device; a magnet movably...
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4803458 |
Control switch and potentiometer for hearing aids and the like
A control switch and potentiometer assembly for use in an in-the-canal type hearing air comprising a miniature single pole, single or double throw, push-pull control switch and rotary...
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4763101 |
Locking slide switch
A locking slide switch is adapted to set a resistor depending on the length f travel. A key body has a row of teeth with which a pinion meshes. A locking push-button is provided on the shaft of the...
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4725808 |
Switching device equipped variable resistor
A switching device has employed a linearly operating variable resistor in place of the rotatively operating variable resistor. The switching device comprises a guide shaft and an operating knob...
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4725809 |
Variable resistor and switch
An electrical device that includes a variable resistor and a switch mechanism. The variable resistor has a control element disposed to be moved linearly to change the electrical resistance of the...
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4724286 |
Adaptable rotary power control switch
A rotary power control unit is capable of functioning as many different switches. The power control unit includes a housing, a shaft-actuator assembly, a circuit board with a variable resistor, and...
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4706062 |
Potentiometer
In a potentiometer, wherein switching functions are triggered in association with the potentiometer position electrical switches (21-24) are mounted on the potentiometer plate (1) which supports...
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4698613 |
Click mechanism of slide volume control
A click mechanism of slide volume control ensures judgement of a center stop position of a lever by a difference in the click touches and allows many stop positions of the lever by providing holes...
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4695820 |
Safety device for apparatus having relatively movable members
In electrical control apparatus having a first member disposed in an opening in a second member, the first and second members being adapted and arranged for relative movement with respect to each...
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4692805 |
Devices used for varying the resistance of electrical circuits and the conduction of current in electrical circuits
A device forming a potentiometer for varying the resistance of an electrical circuit, and a switch for changing the state of current conduction in the circuit. The switch has a casing fastened to...
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4528544 |
Control apparatus for variable speed reversible motor
A control unit, adapted to control a reversible, variable-speed electrical motor includes a control lever protruding through a U-shaped slot in a housing. Movement of the lever from one side to the...
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4523176 |
Electrical switch
An electrical switch comprises, in addition to its switching mechanism or mechanisms, a potentiometer including a potentiometer plate and a slider which is advantageously moved/simultaneously with...
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4523174 |
Illumination type rotary variable resistor
Disclosed is an illumination type rotary variable resistor, in which a hollow shaft rotatable and displacable in the thrust direction and is coupled to a rotatable knob, in which a photo-conductive...
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4489291 |
Circuit breaker provided with parallel resistor
A circuit breaker fitted with a parallel resistor and provided with main contacts and resistor contacts arranged electrically in parallel with the main contacts wherein the resistor is formed of a...
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4455546 |
Variable resistor and switch assembly having separate sliders
A switch for controlling the current to a load combining an ON-OFF switch in series with a variable resistor. Switch has a housing which includes an actuator guided along a dimension of the...
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4453152 |
Sewing machine control
A control for a sewing machine is provided with a turnable outer knob for operating a potentiometer, and a slidable inner knob within the outer knob for moving a contact member to connect...
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4442325 |
Switchable incremental attenuation for telephone line interface
A self-contained switchable, incremental attenuator device for interposing in a two line power circuit to attenuate the power level for proper power matching. The device includes a series of...
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4409448 |
Pull-push switch
A pull-push switch has one or two stationary contacts and one U-shaped elastic movable contact with two legs which, when not deformed, are adapted to resiliently make into contact with the...
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4400685 |
Control system
An electrical contact arm is spring biased against electrical paths by a coil spring which is carried on a hub of a rotating member which also carries the electrical arm. An electrically conductive...
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4398170 |
Switch assembly for variable resistor
In a multistage variable resistor consisting of rotary variable resistors stacked in a plurality of stages, the rod thereof being slideable in rotary and axial directions; a switch assembly for a...
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