Class 338/190 - Angularly movable contact

Subclass of Class 338 - Electrical resistors
Definition: Subject matter wherein the contact moves angularly over
No. of patents: 31
Last issue date: 05/29/2012

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Number	Title	Issue Date
8188835	Potentiometer The invention relates to a potentiometer comprising (a) at least two electrically conducting segments (12), each of which has a contact end (14) that is bordered by a circumferential edge (16) and which adjoin each other in a flush manner by mea...	05/29/2012
7414515	PTC element An object is to provide a PTC element capable of preventing lead terminals from delaminating from an element body. This PTC element 1 is a PTC element comprising an element body 10 in which an electroconductive filler is dispersed in a crystalline poly...	08/19/2008
7343256	Configurable voltage regulator A configurable semiconductor has a device characteristic that is controllable as a function of at least one external impedance. A measurement circuit measures an electrical characteristic of the at least one external impedance and determines a select value correspon...	03/11/2008
7222529	Filling level sensor for a fuel tank of a motor vehicle The invention relates to a filling level sensor for a fuel tank with a float which is fastened to a lever arm and at least one contact which is arranged on the lever arm and is in connection with a slider track formed as a thick-film resistor. The thick-film resisto...	05/29/2007
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 to movement of an actuator. A resistor network is coupled to the switc...	04/17/2007
7100442	Transmitter for level in a fuel tank of a motor vehicle A thick-film resistance 9 with a conductive path 8 of electrically conductive material is provided in the case of a fuel level transmitter for a fuel tank of a motor vehicle. The conductive path 8 is contacted in a sliding manner by a contact el...	09/05/2006
7091819	Variable resistor card for a fuel level sensor A variable resistor card for a fuel level sensor includes a first wiper contact area, a first electrically conductive pathway electrically communicated to the first wiper contact area, a second wiper contact area, a second electrically conductive pathway electricall...	08/15/2006
7015788	Variable electronic component A variable electronic component includes an insulating substrate and a metal rotor rotatably attached to the upper surface of the substrate. The rotor includes a cup-shaped member attached to the substrate and having an upper end formed with an outward flange. The r...	03/21/2006
7002447	Fuel tank resistor card having improved corrosion resistance A resistor card for a fuel level sensor has improved resistance to corrosion and wear. The resistor card has a substrate with a resistive layer and a conductive layer. A nickel layer covers the conductive layer. A nickel-gold alloy layer covers the nickel layer. The...	02/21/2006
6624641	Air bag simulator and method of simulating an air bag A portable air bag simulator having a circuit that provides selectable resistance values between 0.5 ohms and 6.0 ohms. The air bag simulator can be used to simulate the resistance of a number of air bag models and can simultaneously simulate both the dri...	09/23/2003
6570105	Retractable rotary switch cell A push-pull rotary switch includes a board having two circuits on opposite sides. Conductors are respectively positioned above the circuits for contacting ground and contact pads of the circuits. A shaft extends through the conductors and the board and is...	05/27/2003
6518873	Variable resistive element A variable resistive element for use in a sensing unit for measuring liquid level in a container, through interaction with a sliding electrical contact operating in conjunction with a float, includes a conductor pattern deposited on a substrate. A region ...	02/11/2003
6476707	Potentiometric position sensors By using a two-part assembly of a rotary member (10) bearing one or more wipers (14) clipped on to a substrate member (1) bearing one or more tracks (3), subassemblies may be supplied which can be used by manufacturers of articles (20,21,22) in which it i...	11/05/2002
6425288	Lever transmitter for determining a filling level of liquid in a tank In a lever transmitter for a fuel tank, two spring tongues, each with a sliding contact, are arranged on a contact plate of a potentiometer. The contact plate is prestressed against sliding tracks of the potentiometer by a spring element fastened to the c...	07/30/2002
6369690	Potentiometer A resistor card for a potentiometer to measure the fuel in a fuel tank consists of a non-conductive substrate with a plurality of elongate conductive contacts deposited thereon. The contacts have an elevation above the surface of the substrate and the con...	04/09/2002
6127916	Fuel system low current rheostat A fuel level indicator system that utilizes a resistor card having an arc-shaped resistive path with a first set of spaced apart conductor lines and an arc-shaped resistive ink material overlying the first set of conductor lines. The first conductor lines...	10/03/2000
6125529	Method of making wafer based sensors and wafer chip sensors The present invention relates to making sensors by cutting pieces from a boule or ingot of a metal oxide single crystal. The sensors produced are also described....	10/03/2000
6028502	Potentiometer detent A potentiometer is disclosed that provides a user with tactile feel while making adjustments. The potentiometer includes a housing having a central bore with a rotor extending therein. A knob having a protrusion is operably connected to the rotor along wi...	02/22/2000
5699037	Variable resistor having clutch mechanism A variable resistor comprises a slider body, a contact arm which is provided to project from the slider body, a contact part which is formed by bending the contact arm, an arcuate spring arm having a projection for engaging with an engaging portion of a r...	12/16/1997
5657552	Device for measuring distances on globes or maps A map or globe is provided with a transparent thin covering capable of conducting electricity. The transparent thin covering envelopes the globe or overlies the map. An electrical resistance measuring means would be employed to determine a measure of elec...	08/19/1997
5631623	Chip-type variable resistor A chip-type variable resistor is provided which includes an insulating substrate formed with a resistor strip which is arcuate at least partially and has both ends electrically connected to respective extremity electrode terminals, an intermediate termina...	05/20/1997
5315283	Structure for variable electronic component A variable electronic component includes an insulating substrate, and a rotor made of a metal plate and rotatably supported on the substrate for parameter adjustment of the electronic component. The rotor includes a main rotor member and an upper plate me...	05/24/1994
5095298	Surface mount variable resistor with insert-molded slider A surface mount variable resistor includes a rotor assembly rotatably mounted on a substrate having an arcuate resistive element thereon. The rotor assembly includes a thermoplastic rotor and a conductive metal slider. The slider is a rivet having a flat ...	03/10/1992
4845461	Potentiometer A potentiometer has a substantially rectilinear slide spring (2) which rests on a defined inclined support surface (4) of the spring carrier (1), being supported, in one direction, at the front edge (7) of this support surface and, in the other direction,...	07/04/1989
4652850	Potentiometer A potentiometer which can be used for measurement of angles includes an enclosure made of insulating material. The enclosure has a positioning portion comprising a pair of grooves to guide a resistance base plate into the enclosure. The enclosure is provi...	03/24/1987
4500866	Electric potentiometer An electric potentiometer is proposed which serves to convert a mechanical movement into an electrical value. The potentiometer includes a pickup embodied as a wiper and a resistor pad which has a plurality of connections for parallel resistors distribute...	02/19/1985
4376877	Multiposition switch A multiposition switch, particularly suited for use as a motor speed controller, includes pairs of fixed contacts disposed in two parallel rows, and an arcuately shaped elongated movable contact. The movable contact rocks across successive pairs of the fi...	03/15/1983
4196410	Variable resistor A compact variable resistor adapted for use in balance adjusting circuits for stereo tape players or the like has an insulating substrate plate, lead conductor, insulating film and a resistance body. The lead conductor is connected to the resistance body ...	04/01/1980
4139831	Control for electrical positioning drives An apparatus for the control of variable speed electrical positioning drives, especially for sewing machine positioning drives, is disclosed in two exemplary embodiments. The apparatus provides a preset nominal value of speed and a range of adjustment for...	02/13/1979
4110721	Adjustable potentiometer assembly A potentiometer assembly particularly suited for supplying tuning voltages for all of the bands of signals capable of receipt by a television receiver or the like, includes three segments of resistive material arranged in a circle on a support member. Eac...	08/29/1978
4050050	Adjustable potentiometer assembly A potentiometer assembly particularly suited for supplying tuning voltages for all of the bands of signals capable of receipt by a television receiver or the like, includes three segments of resistive material arranged in a circle on a support member. Eac...	09/20/1977

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Class 338/190 - Angularly movable contact