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| Number | Title | Issue Date |
| 7583177 | Variable resistor without rotation angle limitation and having regular changes in resistance value A variable resistor has a substrate, an insulating film, a resistance element, a rotary assembly and a wiper. The substrate has a first terminal having an annular segment, a second terminal and a third terminal having a semi-circular segment disposed adjacent to the... | 09/01/2009 |
| 7535334 | Optical deflector The present invention provides an optical deflector capable of reducing a temperature drift of a strain gauge due to a temperature gradient, and detecting with high accuracy an angular displacement of a mirror surface. The optical deflector includes a movable plate,... | 05/19/2009 |
| 6815039 | Resistance element for potentiometric devices, and method of manufacture Conductive plastic resistance element having particles of conductive material embedded therein and projecting therefrom for reducing variations in contact resistance in a potentiometric device in which the element is employed. The element is made by processing carbo... | 11/09/2004 |
| 6111493 | Variable resistor A variable resistor comprises a case, slide contactors, a rotor, a metal cover and lead terminals. Arms which are respectively provided at central portions of the slide contactors protrude from a bottom surface of a recess portion of the case and are each... | 08/29/2000 |
| 6040756 | Compact potentiometer A sensor is disclosed that fits in a compact package. This compact sensor is ideal for sensing rotary positions and for accommodating one or more potentiometers. The resistor track is parallel and opposed to the collector track, and the wiper is placed be... | 03/21/2000 |
| 5525956 | Electrical terminal construction for an electronic component An electrical component has a terminal construction allowing it to be electrically and mechanically connected to an electrode. A terminal made of a metal material is mounted on an insulating substrate which has front and rear surfaces and is mounted on th... | 06/11/1996 |
| 5500634 | Variable resistor In order to prevent flux which is employed for soldering an open type pre-set variable resistor from reaching an upper major surface of a substrate provided with a resistor film, a blocking member is formed in a position upwardly separated from a lower ma... | 03/19/1996 |
| 5488349 | Multiple range variable resistor A multiple range variable resistor and potentiometer suitable for use in the repair or manufacture of hearing aids and other miniature applications is disclosed. The user of the device can select the desired resistance range thereby allowing one component... | 01/30/1996 |
| 5353004 | Sensor for detecting steering angle During plural rotations of the the first potentiometer as a result of the operation of a steering wheel, though a specific position of the first potentiometer corresponds to plural rotation angles or rotation numbers of the steering wheel, the correct, re... | 10/04/1994 |
| 5343188 | Slide rheostat type linear characteristic sensor A slide rheostat type linear characteristic sensor includes a detecting resistor R2 printed on a substrate 8. A brush 7 slides on the detecting resistor R2. Clamping resistors R1 and R3 are printed, simultaneously with the detecting resistor, on the subst... | 08/30/1994 |
| 5321385 | Wiper for an electric rotary potentiometer A wiper for an electric rotary potentiometer, in particular for use as a rotary position transducer, having a contact spring for pickup on a resistor track, and a rotatable spring holder on which the contact spring is secured nonrotatably. To save time an... | 06/14/1994 |
| 5321384 | Movable tap or wiper for potentiometers In connection with a movable tap for potentiometers, adjustable rheostats, or the like, it is proposed that movable separate wiper fingers, formed from small round wires, be arranged on a wiper finger carrier in parallel one to the other and in groups, wi... | 06/14/1994 |
| 5302937 | Potentiometer In connection with a potentiometer, which may in particular serve as actuator element for an electronic accelerator pedal and where a base plate carries the respective resistance and collector path(s), it is proposed that instead of providing the usual me... | 04/12/1994 |
| 5200747 | Turn counting position sensor A position sensor (25) includes both a position potentiometer (90) and a turns count potentiometer (92). The position potentiometer (90) includes a pair of wipers (12 and 14) positioned on a rotor (10) which each contact both a resistive track (46) and on... | 04/06/1993 |
| 5119063 | Variable power resistor A variable power resistor includes a heat sink having a front face and a back face with an electrically insulating, thermally conductive ceramic coating bonded directly onto the front face such that the ceramic coating is in direct thermal contact with th... | 06/02/1992 |
| 5113172 | Angle of rotation potentiometer A potentiometer for the redundant measurement of the angle of rotation of a shaft compared with a fixed member has two resistance paths located concentrically with each other on a fixed disk. Two collector paths having the shape of circular rings are loca... | 05/12/1992 |
| 5053742 | Variable resistor A variable resistor having an insulating substate provided on the surface thereof with a resistor is molded into a resin case, a part of which is heated and bent to rotatably secure a rotor having a sliding member within the case for rotation with respect... | 10/01/1991 |
| 5047746 | Potentiometer wiper assembly A wiper assembly for a potentiometer, particularly a rotary potentiometer having a rotor for carrying the wiper assembly along a resistive element, includes a metal plate attached to the rotor. A strip of metal formed integrally with the plate is bent bac... | 09/10/1991 |
| 5039974 | Protective cap for rotatably-adjustable electronic components A protective cap for a rotatably-adjustable electrical component mounted to a PW board in an enclosed electronic control unit. The housing of the electronic control unit has a tuning access hole axially aligned with a tapered lead-in port in the center of... | 08/13/1991 |
| 4994752 | Position detecting potentiometer for a moving body A position detecting apparatus electrically detects the present position of a moving body reciprocated within a movable region. The apparatus comprises a resistance section continuously disposed by a predetermined length along the reciprocating direction ... | 02/19/1991 |
| 4831355 | Arrangement for establishing electrical contact with resistance paths An arrangement for ensuring contact between resistance paths comprises a base of electrically non-conductive and elastically deformable material such as rubber. To the base is applied an electrically conductive coating. The resistance path is pressed agai... | 05/16/1989 |
| 4785278 | Variable resistor A variable resistor wherein the arm portion of a rotatable slider is in contact against an approximately circular arc-shaped resistor provided on a base plate with the central portion of the resistor, and the slider is provided with a driver plate having ... | 11/15/1988 |
| 4736184 | Direct connection potentiometer The direct connection potentiometer includes a block of electrically insulative material having two opposite faces and an edge about the perimeter of the faces. An electroresistive track is provided in an arc on the front face of the block, radially space... | 04/05/1988 |
| 4732802 | Cermet resistive element for variable resistor An improved resistive element comprises a film-type resistive layer applied to an insulative substrate and then fired. An array of discrete, spaced apart islands of predominantly conductive material is then applied to the resistive layer in a repetitive p... | 03/22/1988 |
| 4728921 | Position indicator for an actuating drive A position indicator for an actuating drive device which has a range of positions and includes a potentiometer having a resistance strip with end connectors at opposite ends thereof. A tapping feature includes two independently moveable arms each connecte... | 03/01/1988 |
| 4719795 | Throttle valve opening sensor In a throttle valve opening sensor including a substrate provided with an opening detecting portion for detecting openings of a throttle valve and a specific opening detecting portion for detecting a specific opening of the throttle valve, the specific op... | 01/19/1988 |
| 4717903 | Trimming resistor A trimming resistor is provided including a housing formed with a central through bore in which a rotary driver is supported for rotation. The rotary driver supports a spring ring which has a resilient tongue to press a small contact plate against a resis... | 01/05/1988 |
| 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 the collector path (11) for the purpose of the very accurate... | 11/10/1987 |
| 4694272 | Electric potentiometer An electric potentiometer including a wiper lever having brush wipers, which upon a rotational movement about a pivot shaft sweep over electrically conductive layers applied to a carrier plate. A resistor layer is joined at one end to a connection layer a... | 09/15/1987 |
| 4679024 | Potentiometer contact wiper A potentiometer which includes a wiper element having a plurality of contact fingers each mounted for wipeable engagement with a cermet resistance element deposited on a ceramic substrate. The contact fingers of the wiper element are each bent so that the... | 07/07/1987 |
| 4635028 | Slider for resistor and slip conductors A slider for resistor or slip conductors. The slider includes a generally U-shaped slider support having a center portion and two legs, leaf springs attached to each one of the legs and extending into the interior of the U-shaped slider support, and conta... | 01/06/1987 |
| 4623868 | Variable electrical resistance device A variable electrical resistance device for monitoring displacement of a mechanical component such as a vehicle road wheel suspension system having a housing; an electrically resistive track and conductive slip ring on a support in the housing; electrical... | 11/18/1986 |
| 4572599 | Wiper for sliding electrical contact Wipers for sliding electrical contact have a form with gradual and progressive reduction in width and therfore decreasing stiffness and mass as they proceed towards the tip. This form results in higher resonant vibrational frequencies, enabling a wiper to... | 02/25/1986 |
| 4568876 | Method for testing the correct position of a wiper of an electric potentiometer and electric potentiometer for performing the method A method for testing the correct position of a wiper of an electric potentiometer and an electric potentiometer for performing the method are proposed. The electric potentiometer includes a wiper lever with brush wipers, which upon a rotational movement a... | 02/04/1986 |
| 4565990 | Rotary operation type miniaturized electronic component A rotary operation type miniaturized electronic component for use in video and audio electronic appliances, etc., including a casing formed with an opening and a rotary member. In the electronic component, a metal plate is integrally molded with the casin... | 01/21/1986 |
| 4511879 | Slider arrangement and method of producing of the same A slider arrangement comprises an insulator member, and two sliders each made of a resilient metal matel plate embedded in the insulator member and each having slender contacts exposed from the insulator mold member. The slender contacts of each of the sl... | 04/16/1985 |
| 4430635 | Variable resistance device A variable resistance device including a non-conducting base, a resistance supported by the base and forming a track surface, and an electrical terminal connected to the resistance. Also included in the device is a wiper assembly mounted for movement rela... | 02/07/1984 |
| 4361824 | Slidewire wiper contact A slidewire wiper contact has a wiper arm mounted at one end on a rotatable shaft while the other end of the arm carries an electrically conductive support extending past the end of the arm. A free end of the electrically conductive support has attached t... | 11/30/1982 |
| 4283704 | Variable resistor In a variable resistor of the type wherein there is formed on an insulating substrate a resistive member having wide portions and narrow portions in the sliding direction of a slide member and ends thereof wired respectively to a ground terminal and an in... | 08/11/1981 |
| 4274074 | Slide type variable resistor having dual tracks Disclosed is a variable resistor of the slide type incorporating a pair of resistor units carried on the same base plate and disposed in parallel with respect to each other. A plurality of conductive taps angle outwardly from a resistance member provided ... | 06/16/1981 |
