Plural Contacts Adjustable Over Single Resistance Element Patents (Class 338/137)
  • Patent number: 11348709
    Abstract: A noise-preventing resistor has a structure in which a resistance wire is wound around an outer circumferential surface of a core, cap terminals are attached to either end part of the core, and part of an insulative coating (resin coating) covering the resistance wire and part of the resistance wire positioned underneath the insulative coating are cut, forming peeled regions exposing the resistance wire. As a result, conduction between the cap terminals and the resistance wire in the noise-preventing resistor is ensured.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: May 31, 2022
    Assignee: KOA Corporation
    Inventors: Tomohito Imai, Kentaro Takashima
  • Patent number: 8970143
    Abstract: The power source apparatus is provided with a shunt resistor connected in series with batteries, and a current computation circuit that detects the voltage induced by current flow through the shunt resistor to compute battery current. The shunt resistor is provided with a pair of current flow terminals at two separated points on a metal plate connected in series with the batteries via connecting leads, and a pair of voltage detection terminals on a side of the metal plate between the pair of current flow terminals. Further, the shunt resistor has interval adjustment structures to adjust the distance (L) between attachment points where the connecting leads attach to the pair of current flow terminals. The distance (L) between lead attachment points is adjusted with the interval adjustment structures to finely adjust the voltage induced at the voltage detection terminals due to current flow between the two attachment points.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: March 3, 2015
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Masaki Yugou, Shinya Nakano
  • Publication number: 20140016281
    Abstract: A process tunable resistor is fabricated by adjusting elements of the resistor during a fabrication process. The elements include legs, turns, and elements such as a parallel sub-legs, that are adjusted in the fabrication process to provide a specific user defined resistance value. The process tunable resistor provides for fixed contact points in order to support pre-existing or define circuit designs.
    Type: Application
    Filed: December 23, 2011
    Publication date: January 16, 2014
    Applicant: Samsung Electronics Co. Ltd.
    Inventors: Scot E. Zickel, Nayak Tripti, Alexandra M. Kern
  • Patent number: 6239688
    Abstract: There is provided a variable resistor comprised of a resistor formed at a movable member arranged to be reciprocatable, and a slider element attached to a fixing member fixed in opposition to the movable member, slidingly contacted with the resistor. The resistor has the first resistor, the second resistor and the third resistor extending in a reciprocating direction of the movable member and electrically independent from each other, a first resistor pattern having one end of each of the first resistor and the second resistor connected to each other, a second resistor pattern having the other ends of the second resistor and the third resistor. The slider element is comprised of the first slider element, the second slider element and the third slider element slidingly contacted with the first resistor, the second resistor and the third resistor.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: May 29, 2001
    Assignee: Alps Electric Co., Ltd.
    Inventors: Kisaburo Takahashi, Junichi Kurantani, Toshio Ogawa
  • Patent number: 5321385
    Abstract: 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 and expense in assembling the contact spring and the spring holder, at least one fastening tang with a detent head protrudes at approximately right angles from the spring holder, and the contact spring has circular-annular-segmental detent straps, disposed on a circle, which lock into place behind the detent head under spring tension.
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: June 14, 1994
    Assignee: Robert Bosch GmbH
    Inventor: Heinz Rilling
  • Patent number: 5283545
    Abstract: This invention relates to a voltage pulse controlled variable resistor in which at least 2 leads are placed in direct contact with a material containing silica derived from hydrogen silsesquioxane. The resistor is formed by depositing a silica film derived from hydrogen silsesquioxane resin between at least two electrodes. The resistance of the component is varied by applying voltage pulses to the leads.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: February 1, 1994
    Assignee: Dow Corning Corporation
    Inventor: Udo C. Pernisz
  • Patent number: 5187464
    Abstract: A potentiometric position transducer comprises a resistive track movably mounted within a housing. A portion of the resistive track is between two fixed electrical contact points. A third electrical contact is moveable over such portion, corresponding to the position or setting of an exterior device, such as the throttle of an internal combustion engine. Drive means are provided to move the resistive track, to repeatedly substitute new portions of the resistive track between the two fixed contact points. Wear is spread over the entire resistive track.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: February 16, 1993
    Assignee: Ford Motor Company
    Inventor: Robert L. Forgacs
  • Patent number: 4839633
    Abstract: Disclosed is a supply voltage monitor for detecting the asymmetric decay of one voltage source (V.sub.dd) with respect to another voltage source (V.sub.ss). The monitor circuit (24) includes a resistive voltage divider (26) having a plurality of voltage tap positions (32,35,38). A sensor transistor (40) monitors the voltage between a common connection (16) connecting the voltage sources and the voltage at a desired tap position (38) of the divider network (26). On detecting an imbalance between the voltage sources (V.sub.dd, V.sub.ss), the sensor transistor (40) drives a current mirror circuit (42). The current mirror circuit (42) defines an output (50) of the monitor circuit (24), together with a reference transistor (48) biased by a voltage of the divider network (26).
    Type: Grant
    Filed: June 24, 1987
    Date of Patent: June 13, 1989
    Assignee: Texas Instruments Incorporated
    Inventor: William R. Krenik
  • Patent number: 4748434
    Abstract: Tap or current collector for rotary or linear potentiometers, displacement pick-ups, variable resistances, brushes/collector junctions of electric motors, etc., wherein the tapping part on which the slider elements as such are mounted and which performs a relative movement with respect to the tapped path or collector carries the slider elements having individual resilient and freely movable slider fingers, at least in the contact area proper, and which are mounted on a mounting block in such a manner, relative to the sense of displacement, that irrespective of the sense in which the tap moves at any time, one of the slider elements is always pushed, and the other one is always pulled so that even the influences on the tapped or transmitted electric signal of dynamical effects developed by high accelerations are compensated.
    Type: Grant
    Filed: April 17, 1985
    Date of Patent: May 31, 1988
    Assignee: Novotechnik GmbH
    Inventor: Ernst Gass
  • Patent number: 4728921
    Abstract: 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 connected at one end thereof to a moveable part of the drive device and at the other end thereof to the resistance strip in sliding engagement therewith and bridging a section of the resistance strip therebetween. The arms are initially adjustable to the end limiting positions of the drive device.
    Type: Grant
    Filed: April 10, 1986
    Date of Patent: March 1, 1988
    Assignee: Danfoss A/S
    Inventors: Jens N. Andresen, Kjeld Hellegaard
  • Patent number: 4260995
    Abstract: A slide-wire assembly has a first and a second separately movable contact arranged to engage a semicircular wire-wound resistance element or slide-wire. Clam shell halves of a molded case enclosing the slide-wire assembly are arranged to support the resistance element and a motor drive for one of the slide-wire contacts. The first slide-wire contact is supported on a separately movable element coaxial with a motor drive output shaft but restrained from movement therewith while providing a respective contact adjustment capability. A flexible coupling between the motor output shaft and the driven slide-wire contact enables the molded case to align the contact to apply a contact pressure in a first direction to the second slide-wire contact.
    Type: Grant
    Filed: March 22, 1979
    Date of Patent: April 7, 1981
    Assignee: Honeywell Inc.
    Inventor: Willard R. Strauss
  • Patent number: 4188606
    Abstract: Mechanism and method for mounting at least a pair of wiper contact springs to a rotor such that the angular relationship between the two wiper contact springs may be very closely controlled. In one embodiment a first contact spring is permanently attached to a rotor, while a second contact spring is initially attached to the rotor by heat staking one end about a pivot point and placing the other end in a latch which holds the spring in place but permits it to be pivoted to some extent as desired. The rotor is then tested to determine the exact angular displacement between these contact springs. If the measured displacement is different from that desired, the second contact spring is pivoted to a corrected position and then cemented in place. Extension to more than a pair of contact springs is obvious.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: February 12, 1980
    Assignee: Bourns, Inc.
    Inventors: Richard L. Bomar, Jesus Duarte
  • Patent number: 4123742
    Abstract: A variable resistor has an insulating substrate plate, a resistance body formed on the substrate plate and a slider adapted to slide along the resistance body. The resistance body is formed in a winding pattern to provide a larger range of variation of resistance for a given stroke of the slider. The slider has a plurality of contacts adapted for sliding along the resistance body so that at least one of the contacts is kept in contact with the winding resistance body so as to provide a linear change of the output of the resistor.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: October 31, 1978
    Assignee: Alps Electric Co., Ltd.
    Inventors: Moritoshi Nakamura, Jun Nakanowatari
  • Patent number: 4012710
    Abstract: A multiple output potentiometer network having a low resistance zone to provide the output function characteristic and a high resistance zone with which each of a plurality of output contacts is in contact providing a high degree of electrical isolation between the output contacts of said plurality.
    Type: Grant
    Filed: May 6, 1976
    Date of Patent: March 15, 1977
    Assignee: Clarostat Mfg. Co., Inc.
    Inventors: Frank L. Ward, Victor J. Carbonneau
  • Patent number: 3970986
    Abstract: A housing having a central bore therein receives a rotor rotatably mounted therein and secured thereto having an enlarged round base portion. A thrust plate is mounted for limited axial reciprocation within a recessed opening in the housing concentric with the rotor and adjacent the rotor base. The rotor base and thrust plate are formed with cooperating detents and notches to provide indexing means for rotationally positioning the rotor. The internal recess of the housing and the exterior of the thrust plate are configured with matching shapes to prevent rotational movement therebetween, rotation of the rotor moving the detents from one pair of diametrically opposed notches to the next adjacent pair of said notches, while the thrust plate reciprocates against the action of a biasing means. The lower end of the rotor carries a contactor mounted for fixed rotation therewith and having a pair of downward extending arms.
    Type: Grant
    Filed: January 30, 1975
    Date of Patent: July 20, 1976
    Assignee: Motorola, Inc.
    Inventors: Gerard Seyler, Kenneth J. Roback
  • Patent number: 3961302
    Abstract: A variable resistance control employs a substrate provided with a center aperture and a plurality of corner and intermediate locator means disposed about the periphery of the substrate. An adjusting; means constraining a contactor to rotate therewith is journaled in the aperture and the contactor wipingly engages a film type resistive path disposed on the surface of the subsrate. A first plurality of terminal members are disposed in the corner locator means of the substrate a first distance from the aperture. A second plurality of terminal members are disposed in a predetermined number of said intermediate locator means a second distance from the aperture at a distance closer than said first distance. At least one of the terminal members disposed in said intermediate locator means is in an interference path with a projection extending from the adjusting means to arrest rotation of the adjusting means.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: June 1, 1976
    Assignee: CTS Corporation
    Inventor: James N. Hufford
  • Patent number: 3952156
    Abstract: A system for processing a plurality of audio signals to generate binaural output signals. The signal processor has a manually operated spatial position control which provides a correspondence between movement of the control and the binaural perception of movement by a listener at a listening position within an audio signal space. The spatial position control is essentially an electric circuit analog of a particular audio signal space, with means for obtaining variable binaural output signals from the circuit to simulate movement of the listening position in the signal space. One embodiment of the position control includes a mechanical linkage to a plurality of series ring connected potentiometers. The variable outputs from the wiper arms of the potentiometers are combined to produce the desired binaural output signals. The perceived orientation of the listening position in the audio signal space may be changed by selective combinations of potentiometer outputs.
    Type: Grant
    Filed: September 7, 1972
    Date of Patent: April 20, 1976
    Assignee: Xerox Corporation
    Inventor: Roy J. Lahr