Class 323/353 - Resistor

Subclass of Class 323 - Electricity: power supply or regulation systems
Definition: Subject matter wherein the impedance is a resistor.
No. of patents: 35
Last issue date: 01/31/2012

Number	Title	Issue Date
8106645	Power saving system for household electric appliance A power saving system for a household electric appliance includes a signal processing unit, a step down network having an adjustable impedance for stepping down an input voltage, and an impedance control switch electrically connected with the step down network and c...	01/31/2012
7443702	High voltage start up circuit for power converters A start up circuit for power converters is presented. It includes a JFET transistor, a resistive device, a first transistor, a second transistor and a diode. The JFET transistor is coupled to a voltage source. The first transistor is connected in serial with the JFE...	10/28/2008
7411375	Apparatus for issuing an electrical output signal An apparatus for issuance of at least one electrical output signal (Iout), wherein the desired electrical current level of the output signal (Iout) is predeterminable, including: at least one measuring resistor, at which the electrical current level of the output si...	08/12/2008
7379312	High-voltage device having a measuring resistor A high-voltage device having a measuring resistor, also called a bleeder, is plunged into an electrical field whose voltage varies in the same way as the voltage along the bleeder. To achieve this, the capacitive elements are distributed in two rows, each row defini...	05/27/2008
7339362	Alterable DC power supply circuit An alterable DC power supply circuit includes a regulator, a resistor, and an adjustable load resistance. The regulator includes a voltage input pin, a voltage output pin, and an adjusting pin. The resistor is coupled between the voltage output pin and the adjusting...	03/04/2008
7304472	Rotary position sensor A rotary position sensor is disclosed having a magnetic element having a cavity therein. A flux concentrator is arranged to substantially surround the magnetic element, and a magnetic field sensor located within the cavity. The magnetic element may have rectilinear ...	12/04/2007
7119549	Output calibrator with dynamic precision An integrated circuit device having an output driver circuit and a control circuit. The output driver circuit outputs a first signal having a signal level according to a control value. The control circuit is coupled to receive the first signal from the output driver...	10/10/2006
7081805	Constant-power constant-temperature resistive network A thermally stabilized device is described. Single or multiple input ports are accommodated and single and multiple power ports are described. The variation of resistance of a resistor subject to varying power dissipations is minimized by injecting complementary pow...	07/25/2006
7081842	Electronic component value trimming systems Described is a system for trimming the value of an electronic component. The system comprises: at least one trimming component, each trimming component having an associated switch for selectively connecting that trimming component to the electronic component in resp...	07/25/2006
7071669	Reference voltage generation circuit, display driver circuit, display device, and method of generating reference voltage A reference voltage generation circuit includes first to third resistance ladder circuits. The first resistance ladder circuit has at least one variable resistance circuit in which a resistance value between both ends is variable, and outputs multi-valued reference ...	07/04/2006
6819093	Generating multiple currents from one reference resistor The multiplication circuitry of the present invention operates to generate multiple monolithic electrical currents, all referenced to a single external resistor. A first current referenced to a first monolithic resistor, a second current referenced to a second monol...	11/16/2004
6417656	Temperature characteristic compensating circuit and semiconductor integrated circuit having the same A temperature characteristic compensating circuit is capable of carrying out temperature compensation of a signal that varies in proportion to absolute temperature by analog processing and without using a thermistor, to thereby enable use of a smaller IC....	07/09/2002
5841271	Test mode power circuit for integrated-circuit chip A power supply circuit for an integrated-circuits chip includes variable resistors for establishing an internal voltage for the chip. The internal voltage is variable with the variable resistors and compared by a comparator to a test voltage supplied from...	11/24/1998
5838151	Wireless load sharing for parallel power converters and method A power supply (10) including a virtual resistor. The power supply (10) includes (i) a power stage (11) having an input (12) for accepting unregulated power, an output (14) for providing regulated power, a control input (13) and a current sense output (16...	11/17/1998
5717323	Resistance reference circuit The present invention describes a resistance reference circuit that includes a reference resistor that is substantially independent of temperature variations to which the resistance reference circuit is subjected. Also provided is a resistor network that ...	02/10/1998
5701071	Systems for controlling power consumption in integrated circuits Systems for controlling the current consumption of an integrated circuit chip and the like so as to reduce the inductive voltage drops occurring over the power supply lines within the chip and power supply lines to the chip are disclosed. The systems acco...	12/23/1997
5654630	Contactless sensor driven by single power supply A sensor contactlessly driven by a single power supply is disclosed. A current flows in a resistor RL through the secondary winding of a coil in the direction corresponding to the direction of magnetic fluxes generated in the coil in accordance...	08/05/1997
5483190	Floating voltage controlled thermistor/platinum probe emulator Electronic circuitry for simulating the resistance characteristics of a variable resistance temperature sensing element includes a multiplier that multiplies the difference between a reference voltage and a desired value of a control voltage times the vol...	01/09/1996
5363070	Attenuator having phase between input and output signals independent of attenuation An attenuator includes first resistors that are connected in series to each other at connection nodes and between an input node and a fixed voltage node, voltage output nodes coupled to the input node and the respective connection nodes of the first resis...	11/08/1994
5309040	Voltage reducing circuit In a semiconductor integrated circuit for taking in an external power source voltage from outside the semiconductor chip, the external power source voltage is dropped by a voltage dropping unit installed inside the semiconductor chip and the external powe...	05/03/1994
5097197	Signal level attenuating device A signal level attenuating device having an analog attenuator and a digital attenuator which respectively include resistance attenuators. The resistance attenuators have the same attenuating characteristics and are mutually coupled. When one of the resist...	03/17/1992
4857825	Voltage controlled resistor A resistor has a resistance which is precisely controlled by means of a voltage control circuit. The controlled resistor is a radiation sensitive device which is optically coupled to a source of radiation connected to the output of an operational amplifie...	08/15/1989
4810948	Constant-voltage regulated power supply circuit A constant-voltage regulated power supply circuit has an input circuit and an output circuit. The sense circuit includes a programmable sense circuit that further includes a divider network with a plurality of selectable tap points and a multiplexer havin...	03/07/1989
4728881	Circuit for providing a controlled resistance A circuit for providing a controlled resistance, the circuit comprising a pair of terminals for input of an excitation current, variable resistance means connected in the current path between the terminals, means for deriving a first signal representing t...	03/01/1988
4649417	Multiple voltage integrated circuit packaging substrate A multilayer ceramic integrated circuit packaging substrate provides a plurality of integrated circuit operating voltages at the integrated circuit mounting surface thereof without requiring a separate input/output pin and internal power distribution plan...	03/10/1987
4641115	Radio frequency chokes having two windings and means for dampening parasitic resonances Radio frequency chokes for use in combining and separating radio frequency signals and single phase AC power in the equipment used in cable transmission and distribution systems. The radio frequency chokes include a conductor wound on a magnetic core to f...	02/03/1987
4524317	Precision, dynamic low voltage measurement system A voltage divider used to supply multiple reference voltages is energized electrically, in shunt, by a constant voltage generator and, in series, by a constant current generator. The magnitude of current supplied by the constant current generator determin...	06/18/1985
4388566	Passive control network for remote control of load output level A passive control network for connection between a pair of load output level setting terminals, as on a ballast for a dimmable fluorescent lamp in a lighting system, to provide a required variable impedance, where the magnitude of the impedance establishe...	06/14/1983
4364006	Reference voltage generator for use in an A/D or D/A converter A simplified, small-sized RV generator has a power source with a voltage adjusting circuit. The adjusting circuit includes a plurality of polysilicon resistors connected serially with polysilicon fuses connected in parallel with and to both ends of each o...	12/14/1982
4348634	Manual control means for controlling the movements of a motor-driven element Disclosed is a manual control means for motor-assisted manual control of a motor-driven member. A control handle bears against the centre of a deformable diaphragm in the form of a cross. The outer end of each of the arms of the diaphragm is mounted to pi...	09/07/1982
4202032	Power control circuit A power control circuit providing a complete range of signals that vary from a full "off" to a full "on" condition comprising an arrangement of electrical components incorporated into a control device that supplies half wave signals at the minimum control...	05/06/1980
4164668	Method of correcting the voltage coefficient of resistors implanted or diffused in a semiconductor substrate A method and structure for correcting the voltage coefficient of resistance (VCR) of a resistor in a semiconductor body is described. The resistor may be diffused or ion implanted of one conductivity and formed in an isolated layer of the opposite type of...	08/14/1979
4027230	Electronic multi-channel selection switch with common new-selection sensing device Electronic switches are used for switching the fine-tuning variable resistors in the electronic tuners of television receivers or stereophonic systems, and consist of a number of thyristors with P- and N-gates connected in parallel. The cathodes of the th...	05/31/1977
4002964	Temperature compensation technique A temperature compensation system and technique requiring no measurement of actual temperature differential and wherein each source of thermal error in an electronic circuit can be corrected in addition to overall thermal error. Two reference voltages are...	01/11/1977
3943431	Current-splitting network A current-splitting network comprises a voltage divider having first and second output terminals, the potentials at the first and second output terminals having a predetermined ratio. A first amplifier is coupled between one end of a first resistor and th...	03/09/1976

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Class 323/353 - Resistor