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| Number | Title | Issue Date |
| 8178996 | Power supply unit having configurable output voltage ranges As a result of a path being connected to an input terminal to allow a first intermediate voltage from a power-side regulator or another external source that does not pass through the power-side regulator to be selectively inputted into any supply-side regulator, a s... | 05/15/2012 |
| 8072094 | Active output compensation circuit An active output compensation circuit is adopted for use on a power supply which receives input power and regulates to become a plurality of different output power. The power supply has a transformer to transform the input power. The transformer has a secondary side... | 12/06/2011 |
| 7999410 | System for high reliability power distribution within an electronics equipment cabinet The power conversion system allows for multiple segregated and ground independent power sources to provide redundant power to modules within an electronics equipment cabinet with increased reliability and reduced sensitivity to common fault propagation. The power co... | 08/16/2011 |
| 7671485 | Storage system In a RAID system, the power supplied to hard disks (HDDs) can be increased, and a plurality of types of HDDs can be installed. A plurality of HDD packs 33 are supplied with a single high voltage from a motherboard 28. The HDD packs 33 each accom... | 03/02/2010 |
| 7514812 | Power supply circuit in addition to communications equipment comprising a power supply circuit The invention relates to a power supply circuit comprises several power supply modules for supplying power to various sub-assemblies and/or interfaces of electrical equipment, e.g. a communications equipment or a personal computer, in addition to a regulating circui... | 04/07/2009 |
| 7443051 | System and method for providing adaptive power supply to system on a chip A system and method for adaptively providing a power supply voltage. The system includes an input/output subsystem configured to receive a first voltage, an analog subsystem configured to receive a second voltage and coupled to the input/output subsystem, a first di... | 10/28/2008 |
| 7423354 | Storage system In a RAID system, the power supplied to hard disks (HDDs) can be increased, and a plurality of types of HDDs can be installed. A plurality of HDD packs 33 are supplied with a single high voltage from a motherboard 28. The HDD packs 33 each accom... | 09/09/2008 |
| 7400120 | Constant voltage control device A first output voltage Vcc is obtained via a first switching element from an external power supply, and a second output voltage Vme via a second switching element cascade-connected to the first switching element. The first switching element has a base current contin... | 07/15/2008 |
| 7382062 | Wide voltage range stabilized switching power supply for valve actuators The invention finds application in the field of power supplies for valve actuators, and particularly relates to a wide voltage range stabilized switching power supply for valve actuators, of the type that comprises a filter 2, a diode bridge 3, an arra... | 06/03/2008 |
| 7367302 | Method and device for switching on a power switch arranged between capacitive elements The invention relates to a method and a device for switching on a power switch (S1, S2) arranged between capacitive elements (C1, DLC, B36) a choke (L) being connected in parallel to the switching contacts of the still open power switch (... | 05/06/2008 |
| 7365453 | Aqueous solution plate control system and method A system for controlling the operation of conductive plates immersed in an aqueous solution, such as in water treatment applications. The system allows independent control of the current sourced or sunk by each of a plurality of plates. The system also allows each p... | 04/29/2008 |
| 7332831 | Power supply apparatus with soft start control A power supply apparatus includes a plurality of power supply circuits, switches connected to the power supply circuits, a common soft start circuit and an individual soft start circuit commonly connected to the plurality of power supply circuits via the switches. T... | 02/19/2008 |
| 7334137 | Memory interface systems that couple a memory to a memory controller and are responsive to a terminal voltage that is independent of supply voltages for the memory and the memory controller Memory interface systems include one or more channel lines that couple a memory to a memory controller such that the channel line(s) are responsive to a terminal voltage that is independent of supply voltages for the memory and the memory controller. Because the mem... | 02/19/2008 |
| 7233473 | Protection circuit and method for floating power transfer device A protection circuit and method are provided for a floating power transfer device having one or more switches for controlling charging of a reservoir capacitor across which a load is applied when in use. The protection circuit includes a control circuit, a fault det... | 06/19/2007 |
| 7205902 | Vehicle occupant detection system In an occupant detection system, a determination section of an occupant detection ECU determines occupancy status of the seat based on loads applied to the seat. A power supply section of the ECU provides a power supply voltage lower than a battery voltage of the ve... | 04/17/2007 |
| 7109603 | Power converter system A system and method for integrating communications equipment. The system includes a power supply in which the power supply provides power to telephone equipment located in a centralized unit and at least one power converter for receiving the power from the power sup... | 09/19/2006 |
| 7105947 | Method and system for voltage tracking and sequencing in a power supply A method for controlling multiple voltages in a power supply includes providing a plurality of DC to DC power converters. Each power converter includes a pulse width modulator controller having a control pin. The method also includes when a voltage supply to the pow... | 09/12/2006 |
| 7095137 | Method and arrangement for supplying quiescent current to a vehicle having a multi-voltage on-board electrical system A method and arrangement for supplying quiescent current to a vehicle having a multi-voltage on-board electrical system with at least two on-board electrical subsystems having different voltage levels during normal operation. The voltage levels of the on-board elect... | 08/22/2006 |
| 7030343 | Controller system for bathing installation A controller system for a bathing installation such as a spa is disclosed. The system distributes line voltage from a line voltage service to one or more line voltage loads and controls operation of a service system for the bathing installation. The system includes ... | 04/18/2006 |
| 7015596 | Electronic device display system and method A system and method are provided for displaying electronic devices operable when electrical power is supplied to them at respective operating voltages through respective power connectors. The system has a power supply providing input electrical current at a first vo... | 03/21/2006 |
| 7015665 | Power window driving apparatus A power window driving apparatus includes a motor which drives a window by supplying a supply voltage of a power supply, a control circuit which controls the motor so as to stop or reverse a rotation of the motor when a motor current flowing to the motor is increase... | 03/21/2006 |
| 6976052 | Spa control system An improved spa control system is disclosed. The invention describes a spa control system which calculates the time required to heat the water in the spa system to a desired temperature. From that information, the heating rate of the spa system can be determined, an... | 12/13/2005 |
| 6965815 | Spa control system An improved spa control system is disclosed. The invention describes a spa control system which calculates the time required to heat the water in the spa system to a desired temperature. From that information, the heating rate of the spa system can be determined, an... | 11/15/2005 |
| 6963775 | System and method for verifying capture in a multi-site pacemaker An apparatus and method for verifying capture by a selected pacing electrode in a multi-site pacemaker. A switching circuit switches the input of an evoked response sensing channel to an unselected electrode. A pacing pulse is then output by the selected electrode, ... | 11/08/2005 |
| 6909201 | Dual voltage architecture for automotive electrical systems A dual voltage automotive electrical system includes a generator for generating a first nominal voltage on a first voltage bus and a bi-directional DC/DC converter for converting the first nominal voltage to a second nominal voltage on a second voltage bus, the seco... | 06/21/2005 |
| 6841896 | Dual supply voltages converter and method A dual supply voltages converter divides a supply voltage by a constant to produce a feature voltage larger than one when the supply voltage is a first voltage and smaller than 1 when the supply voltage is a second voltage and squares the feature voltage for compari... | 01/11/2005 |
| 6803676 | Wireless controller and power supply method thereof A wireless controller is provided with at least two power supplies. The internal components of the controller are classified into at least two groups in accordance with the degrees of functional importance or the power consumptions of the components. The power suppl... | 10/12/2004 |
| 6667864 | Low-cost power supply device to a plurality of electronic modules installed in a compartment A power supply for a plurality of electronic modules in a compartment. DC electric current is provided to a plurality of consumer electronic modules on the basis of a perturbed DC voltage exhibiting a wide voltage variation range. The supply device includ... | 12/23/2003 |
| 6566816 | Vehicular lamp control apparatus A plurality of lamps 21 to 28 inclusive are supplied with a voltage one after another in sequence. A time duration during which the voltage is supplied to each of the lamps 21 to 28 inclusive is controlled in PWM fashion to restrict an amount of voltage s... | 05/20/2003 |
| 6459170 | On-board electric power supply system A CPU (31) captures an on control signal for low-voltage loads (26 to 28) in LAN multiplex transmission, controls low-voltage switching devices (36 to 38) to be turned on in order to supply a power to the low-voltage loads (26 to 28), and performs a DC su... | 10/01/2002 |
| 6373149 | Power supply control for low voltage circuits using high threshold switch transistors A power system for controlling power to low voltage CMOS circuits. The power system can be used in circuits having a low voltage supply and a high voltage supply, wherein the low voltage supply powers low voltage circuit components and the high voltage su... | 04/16/2002 |
| 6335577 | Power supply control unit and power supply control method A power supply control unit of this invention has a stabilized power source by a DC/DC converter and a Zener diode for supplying selectively plural voltages and supplies a power to a current vibration type shut-off function provided switching circuit. Whe... | 01/01/2002 |
| 6211579 | Multiple output converter having a low power dissipation cross regulation compensation circuit A compensation circuit for a DC--DC converter having a low voltage output line and a plurality of high voltage output lines applied to a plurality of loads includes an adjustable impedance source connected to the low voltage output line. The impedance sou... | 04/03/2001 |
| 6175165 | Host electronic equipment with internal power supply adapted for supplying power directly to peripherals Electrical equipment such as a personal computer includes a plurality of internal components which require different voltages including low voltages of about five volts for operation. The different voltages are supplied by an internal power supply, with a... | 01/16/2001 |
| 6150737 | Auxiliary power distribution system A power supply is adapted to be powered from an ordinary electric utility power line, or alternately from a standby storage battery, and is operable to provide a power-line-isolated output of 120 Volt RMS at a frequency of about 30 kHz. The Volt-Ampere pr... | 11/21/2000 |
| 6133650 | DC power source device with standby mode A DC power source device in which the voltage dividing ratio of a voltage dividing circuit of an error detecting circuit is changed from a reference value to a value smaller than the reference value thereby to decrease the voltages of DC outputs. In the d... | 10/17/2000 |
| 6129598 | Printed-circuit-board (PCB) in a power supply system includes integrated cable connection terminals The present invention discloses a power supply system with modularized and integrated cable interface configuration for providing power from an external power source to a plurality of subsystems in a personal computer. The power supply system includes a p... | 10/10/2000 |
| 6087739 | Train set and an electrically powered train including such a set A train set includes a plurality of cars each having a flat designed to receive storage units equipped electrically-powered equipment. The train set includes: a connector for connecting the set to an electricity source which delivers electrical power at a... | 07/11/2000 |
| 6072709 | Multiple output voltage converter with improved cross-regulation A voltage converter for converting an input voltage into at least a first high output voltage and a second lower output voltage. An input resonant circuit includes a transformer primary winding. At least first and second output circuits, each of which inc... | 06/06/2000 |
| 6008998 | AC/DC power supply circuit An AC/DC power supply circuit is provided. In the AC/DC power supply circuit, output lines of a DC power supply unit including a multitap transformer are connected to output ends of a secondary winding of a multitap transformer in an AC power supply unit,... | 12/28/1999 |