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Class 323/350 - Including plural final control devices


Subclass of Class 323 - Electricity: power supply or regulation systems
Definition: Subject matter wherein the system includes a plurality of
No. of patents: 96
Last issue date: 03/20/2012


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NumberTitleIssue Date
8138744Combined type transformer and buck-boost circuit using the same
Combined type transformer includes: a transformer core; first and second coils provided with respect to the transformer core; first and second inductor cores provided around the first coil; and third and fourth inductor cores provided around the second coil. The tra...
03/20/2012
7868605Mixed mode power regulator circuitry for memory elements
Power regulator circuitry is provided for powering loads such as programmable memory element arrays on integrated circuits. The power regulator circuitry may have control circuitry that generates a first digital control signal to turn on and off a regulated power su...
01/11/2011
7808225Parallel arranged power supplies
A power supply system comprises a parallel arrangement of a first switched mode power supply (1) which has a first system bandwidth (LB 1) and a second switched mode power supply (2) which has a second system bandwidth (LB2) covering high...
10/05/2010
7675282Dual mode chip card voltage regulation circuit and method
A circuit arrangement for voltage regulation including a first transistor coupled between a first node and a third node, a second transistor coupled between a second node and the third node, a third transistor coupled between the third node and an output node, and a...
03/09/2010
7635971DC-DC converter and power supply device capable of synchronizing frequencies of a plurality of DC-DC converters
A switching control IC is provided with a circuit for generating a triangular wave using a frequency that is dependent on a capacitor connected to a CT terminal of the switching control IC, and a resistor connected to an RT terminal thereof. A synchronizing signal i...
12/22/2009
7586299Power-supply semiconductor integrated circuit, power-supply semiconductor integrated circuit system, development assisting system for power-supply circuit, and program and storage medium therefor
There is provided a power-supply platform IC for realizing a parameter-deciding power-supply circuit, which, in order to decide a parameter of a power-supply circuit that supplies power to an electronic circuit IC (load), is connected to the electronic circuit IC (l...
09/08/2009
7432692Circuit and method for changing transient response characteristics of a DC/DC converter module
A circuit for, and method of, changing transient response characteristics of a DC/DC converter module having an output rail pin and a trim pin and a distributed power conversion system incorporating the system or the method. In one embodiment, the system includes a ...
10/07/2008
7424629Data controlled power supply apparatus
A power supply, and a method of controlling the power supply, in which more or less power capacity of the power supply is activated depending on the state of a digital data signal on a data bus. The power supply has a control circuit which detects the number of “z...
09/09/2008
7405545Voltage-regulator and power supply having current sharing circuit
The present invention proposes a voltage-regulator and a power supply having a current-sharing circuit. The voltage-regulator capable of current sharing uses an enabling terminal as a current-sharing control interface. A pass transistor supplies an output voltage an...
07/29/2008
7392099System and method for power management when an operating voltage is between two thresholds
A system comprises power management logic and an electrical load coupled to the power management logic. The electrical load is configurable to operate in accordance with any of a plurality of power states. The power management logic forces the electrical load to ope...
06/24/2008
7391200P-channel power chip
An integrated circuit device for delivering power to a load includes a P-MOS power transistor, an N-MOS bypass transistor and a gate driver circuit. The P-MOS power transistor is coupled between a supply voltage node and a power output node of the integrated circuit...
06/24/2008
7311414Ornamental lamp assembly
An ornamental lamp assembly incorporating a dual housing structure having an internal protective element and an external decorative element to protect functional circuitry from damage sustained as a result of normal outdoor use, and to facilitate achieving a selecti...
12/25/2007
7307407Power supply apparatus
In a power supply apparatus, in a standby mode, control signals for controlling a first MOSFET of a power supply apparatus to be turned on and a second MOSFET to be turned off are supplied to the gates of the first and second MOSFETs from a control circuit, respecti...
12/11/2007
7289573Modulator/transmitter apparatus and method
Method and apparatus for providing an amplified modulated radio frequency signal, the method comprising the steps of providing a radio frequency (RF) oscillatory signal, generating from the RF oscillatory signal and an input signal a pair of phase modulated phase co...
10/30/2007
7271573Low loss DC/DC converter including a multi-level controller that applies a monotonic sequence of voltage levels
A direct current to direct current converter includes first and second switches to output voltages on first and second output terminals in response to appropriate turn-on voltages at first and second control terminals. The first control terminal may selectively comm...
09/18/2007
7206210Power supply control loop with multiple leveling modes
A method and apparatus for controlling a power supply. The system includes a power supply and a controller for outputting a command signal to regulate the operation of the power supply. The controller determines the command signal based on at least one error signal ...
04/17/2007
7174973Power tool interface
This interface is an apparatus for controlling a power supply delivering power to a DC powered tool. The interface is connected between the DC power supply and the DC tool wherein the interface is configured to read signals from the tool and control the power suppli...
02/13/2007
7161342Low loss DC/DC converter
A direct current to direct current converter includes first and second switches to output voltages on first and second output terminals in response to appropriate turn-on voltages at first and second control terminals. The first control terminal may selectively comm...
01/09/2007
7148665Power supplying methods and apparatus that provide stable output voltage
A direct current power supply apparatus includes a first power supply circuit and a second power supply circuit. The first power supply circuit converts a source voltage from an externally supplied direct current power source into a first voltage and provides the fi...
12/12/2006
7148673Method and apparatus including low loss DC/DC converter
A direct current to direct current converter includes first and second switches to output voltages on first and second output terminals in response to appropriate turn-on voltages at first and second control terminals. The first control terminal may selectively comm...
12/12/2006
7142679Muting circuit for computer having dual audio boards
The invention relates to a Muting Circuit used to control the path of signal flow for the amplified audio signals from an audio CODEC in a dual audio subsystem. More specifically, to the muting control of the rear and front panel head phone/line out and microphone c...
11/28/2006
7129687Transformer over-current protection with RMS sensing and voltage fold-back
A method for controlling a power level supplied to a load by an auxiliary output of a power source is presented. The method includes providing a power source having a user-adjustable main output and an auxiliary output. The method further includes providing a contro...
10/31/2006
7123179Apparatus and method for duty cycle conversion
A reference signal generator for generating an output reference signal having a target duty cycle. The reference signal generator comprises a sawtooth generator for receiving an input reference signal having a reference frequency and generating a sawtooth waveform h...
10/17/2006
7114084Data controlled programmable power supply
A power supply, and a method of controlling the power supply, in which more or less power capacity of the power supply is activated depending on the state of a digital data signal on a data bus. The power supply has a control circuit which detects the number of “z...
09/26/2006
7098738Fine step and large gain range programmable gain amplifier
A programmable gain amplifier with three stages uses fine steps, has a large gain range, and is monotonic. The first stage comprises several amplifiers, each including a resistive feedback loop. The feedback loop comprises a series of resistors, with each resistor a...
08/29/2006
7058458Power controller
A command transmission/reception section (4R), a power-control determination section (8) and a power control section (9) are provided in a controlled device (3) which is connected to a network (1) and which performs power control i...
06/06/2006
7029171Integrated digital temperature sensor
A digital integrated circuit temperature sensor including an analog-to-digital converter providing a binary word representative of a temperature internal to the integrated circuit, and a circuit for providing an analog voltage representative of the circuit temperatu...
04/18/2006
7003272Radio apparatus with adjustable reception quality
A radio apparatus (95), particularly for mobile radio, which makes it possible to adjust the signal reception in a predeterminably optimized way is proposed. The radio apparatus (95) includes a receiver part (1) and an evaluation unit (5)...
02/21/2006
6707281Method and apparatus for operating a voltage regulator based on inductor current detection
In accordance with an embodiment of the disclosed matter, a voltage regulator may supply power to one or more components within a computer system. The voltage regulator may include an inductor and a current detection circuit to detect current through the inductor. W...
03/16/2004
6693412Power savings in a voltage supply controlled according to a work capability operating mode of an integrated circuit
Power is applied to a voltage supply. A signal that indicates reduced work capability in an integrated circuit (IC) that is being powered by the voltage supply is generated based on workload demand or conscious power and performance tradeoffs. This signal...
02/17/2004
6624620Power supply for a rotary printing machine
In order to maintain printing machinery in a monitored operating state during line voltage interference and outages, the rotary printing machine is supplied by an interruption-free power supply (USV) having an input side which is connected to the customer...
09/23/2003
6548991Adaptive voltage scaling power supply for use in a digital processing component and method of operating the same
There is disclosed an adaptive voltage power supply that finely adjusts VDD to an optimum level. The adaptive voltage power supply comprises: 1) a first charging circuit capable of increasing a reference voltage on a charge capacitor in response to receip...
04/15/2003
6472853Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable for use with a motion sensor switch
A method and apparatus for regulating a DC power supply, adaptable for use with a motion sensor switch, by limiting the leakage to ground current of the power supply to comply with U.L. Standards while also enabling the DC power supply to provide a stable...
10/29/2002
6307354Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable for use with a motion sensor switch
A method and apparatus for regulating a DC power supply, adaptable for use with a motion sensor switch, by limiting the leakage to ground current of the power supply to comply with U.L. Standards while also enabling the DC power supply to provide a stable...
10/23/2001
6278069Apparatus and method for supplying power to an electronic system
A power supply apparatus is provided, which includes a power supply section, a switch device having at least two microswitches, and a microcontroller. The switch device further includes an assembly holder, and a printed circuit board accommodating the mic...
08/21/2001
6268666Bi-directional power conversion apparatus for combination of energy sources
A bi-directional power converter apparatus and method of conversion is disclosed which comprises three active elements (output, primary, and auxiliary switches) and two passive components (primary and auxiliary energy storage elements) coupled so as to en...
07/31/2001
6037758Load controller and method to enhance effective capacity of a photovoltaic power supply
A load controller and method are provided for maximizing effective capacity of a non-controllable, renewable power supply coupled to a variable electrical load also coupled to a conventional power grid. Effective capacity is enhanced by monitoring power o...
03/14/2000
6028421Method for low-transient power control of electrical loads and electrical heating apparatus
A method for the low-transient power control of electrical loads, particularly temperature-dependent loads electrically divided into essentially equal sub-loads connectable to an a.c. mains in order to receive power. Power control at low power levels util...
02/22/2000
5982163Internal power source voltage trimming circuit
A semiconductor device, equipped with a circuit for regulating an internal power source by using a plurality of fuses, includes a fuse group for trimming a power source, having a plurality of fuses capable of being cut off so as to regulate a voltage leve...
11/09/1999
5825169Dynamically biased current gain voltage regulator with low quiescent power consumption
A voltage regulator circuit that minimizes the bias current flowing between a first voltage terminal and a second voltage terminal. The circuit receives input signals via a first and a second input terminal, and provides an output signal via an output ter...
10/20/1998
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