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| Number | Title | Issue Date |
| 8134253 | Load driving circuit, integrated circuit, DC-DC converter, and load driving method A load driving circuit (20) according to the present invention, for carrying out PWM control to cause currents of respective light emitting diode lines (3-1 . . . 3-N) connected in parallel, each of the light emitting diode lines (3-1 ... | 03/13/2012 |
| 7557462 | Light emitting diode flexible printed circuit having a switching unit for switching between a series mode and a parallel mode An exemplary light emitting diode flexible printed circuit (100) includes four light emitting diodes (110); three switching units (117) interconnecting the four light emitting diodes; a first lead (113) and four second leads (115).... | 07/07/2009 |
| 7336463 | Device and method for dimming service loads A device and method are provided for detecting and configuring a solid state dimmer when wired in series or parallel with a load powered by an alternating current (AC) input. The device can comprise a microcontroller configured to be powered by the AC input. A zero-... | 02/26/2008 |
| 7317259 | Power output apparatus and motor vehicle equipped with power output apparatus A motor (MG1) is connected to a sun gear (31) of a first planetary gear (P1) of a power distribution/unification mechanism (30), an engine (EG1) is connected to a carrier (34) of the first planetary gear (P1) and a ri... | 01/08/2008 |
| 7279809 | Christmas light string with single Zener shunts A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set w... | 10/09/2007 |
| 7275000 | Energy information system and sub-measurement board for use therewith An energy information system and sub-measurement board for use therewith allows an energy information service provider to measure energy usage at a customer location. The sub-measurement board is connected to an energy distribution panel located at the customer loca... | 09/25/2007 |
| 7189925 | Wiring system for interconnecting vehicle-mounted electronic devices through a wiring harness A wiring system is provided where at least one device connector and at least one device connector are interconnected. The wiring system has at least one main harness with at least one group of wires aligned in a substantially parallel direction, and at least one sub... | 03/13/2007 |
| 7171461 | Network remote power management outlet strip A vertical-mount network remote power management outlet strip embodiment of the present invention comprises a long, thin outlet strip body with several independently controllable power outlet sockets distributed along its length. A power input cord is provided at on... | 01/30/2007 |
| 7139648 | Apparatus for actuating a control element for a heating or air-conditioning system in a motor vehicle The invention relates to an apparatus for actuating a control element, for example, an air flap, for a heating or air-conditioning system (34) in a motor vehicle, having an actuating drive (32), an electrical circuit (1) which controls the actua... | 11/21/2006 |
| 7099934 | Network-connecting power manager for remote appliances A network comprises a power manager with a network agent in communication over a network with an network manager. The power manager is connected to control several intelligent power modules each able to independently control the power on/off status of several networ... | 08/29/2006 |
| 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 |
| 7044255 | Electric generating system for automobiles and its control method An electric generating system for automobiles has a primary generator which is driven by an internal combustion engine of an automobile and supplies power to an electric load of the automobile and an electric motor for driving wheels of the automobile which are not ... | 05/16/2006 |
| 7043543 | Vertical-mount electrical power distribution plugstrip A vertical-mount electrical power distribution plugstrip comprises a long, thin plugstrip body with several power outlet plugs distributed along the length of one face. A power input cord is provided at one end, and this supplies operating power to each of the power... | 05/09/2006 |
| 6980122 | Dimmer control system with memory A dimmer control system has a communication control loop that connects a master unit in series with a plurality of remote units, and it is superimposed in series on the dimmer load line so as to allow two-way communication between the master unit and remote units wi... | 12/27/2005 |
| 6927546 | Load control system and method A load control systems and methods. One embodiment of a load control system comprises at least two triac devices connected in parallel to a load, the at least two triac devices operable to deliver current to the load. At least one driver circuit is linked to the at ... | 08/09/2005 |
| 6924566 | Method for assuring start-up of span-powered telecommunication systems A electrical power control mechanism ensures start-up of all telecommunication devices (repeaters and a remote terminal) along a span-powered wireline. Input voltage start-up thresholds of power control circuits at the devices are higher than the steady-state voltag... | 08/02/2005 |
| 6812590 | Power supply circuit External output terminal 28 is clamped by clamping circuit 20, and a current mirror is configured using diode circuit 23 within clamping circuit 20 and detector transistor 34. When the voltage of external output terminal 28 ... | 11/02/2004 |
| 6765313 | Series connected light string with filament shunting A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set w... | 07/20/2004 |
| 5867057 | Apparatus and method for generating bias voltages for liquid crystal display An apparatus and method for generating bias voltages for an LCD driver. A voltage divider including serially connected resistors of a first resistance is arranged to form a DC current path having nodes. The voltage of each node serves as a bias voltage to... | 02/02/1999 |
| 5753980 | Automatic prevention of inadvertent operation of electronic devices Portable electronic equipment is disclosed which includes a source of power and operational circuitry. A load device, which may be internal or external to the equipment, is coupleable to the operational circuitry. A switch is coupled between the power sou... | 05/19/1998 |
| 5734328 | Apparatus for switching communication method based on detected communication distance A communication apparatus comprising: a spatial communication circuit having a transmission part and a reception part; and a detection part for detecting the separate positional state from a communication partner apparatus. The communication method by the... | 03/31/1998 |
| 5572438 | Engery management and building automation system An energy management and building automation system including a local area network or home automation data bus such as the CEBus. Each load is connected to the bus via a control module which may contain a circuit breaker to disconnect the load from the ma... | 11/05/1996 |
| 5483433 | Voltage control circuit for a multiple stage DC power supply, and applications thereof A voltage controller capable of generating a staircase voltage is made up of a plurality of energy storage devices series connected with respective solid state switch devices. The solid state switch devices can be turned on or off to connect different com... | 01/09/1996 |
| 5448492 | Monitoring the characteristics of a load driver controlled by a microcontroller Loads, such as power relays controlling wipers, windows and lights are connected to an automobile battery through individual transistor drives that are controlled by a microcontroller. A switch, connected to the microcontroller, is operated to activate ea... | 09/05/1995 |
| 5269002 | Method and device for driving multiple latching relays Multiple latching relays are driven on their first side by all but one of the parallel outputs of a shift register. Each relay on the same shift register is driven on its second side by the remaining parallel output of the shift register. A clock signal i... | 12/07/1993 |
| 4985638 | Valve control circuit for irrigation system A circuit for the remote control of solenoid operated valves in an irrigation system reduces by one half the amount of wire required for the system. At least one pair of first and second solenoids are connected to a source of supply of alternating curent,... | 01/15/1991 |
| 4803379 | Circuit arrangement for power supply for electrical and electronic control or regulating devices A circuit arrangement having a purely capacitive power supply, at least one power consumer, and a control element for causing power to be supplied to the power consumer. The power supply, the power consumer and the control element form a series circuit. T... | 02/07/1989 |
| 4788452 | Switchable DC power supply with increased efficiency for use in large wattage amplifiers A switch connected between two voltage sources and responsive to a sensing circuit. The switch includes a transistor which operates to interchange the electrical connection of the two voltage sources from parallel to series upon the sensing circuit signal... | 11/29/1988 |
| 4375593 | Switching apparatus for load matching of wind-driven electrical generators Switching apparatus for matching an electrical load to the voltage output of a wind-driven generator in which the loads are an even number of batteries or electrolytic cells (16). The apparatus includes switching units (10) each having four terminals. Eac... | 03/01/1983 |
