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| Number | Title | Issue Date |
| 8093763 | System and method for limiting current oscillation A system and method for limiting current oscillation in power supplies. A method for operating a power supply comprises entering a current limitation mode, setting a current limit for a current flowing through a power switch of the power supply, and in response to d... | 01/10/2012 |
| 8080905 | Control system A control system for an electrical device includes a controller that outputs an AC device enable system when one or more monitored sensors are in a proper state for operation of the electrical device. The control system may also include a sensor signal integrity che... | 12/20/2011 |
| 8039996 | Electrically responsive ink and coating compositions and methods for activation An electrically responsive ink composition comprising at least one electrically responsive optical-state change material, at least one electrolyte material, at least one solvent, and at least one binder material, wherein the ink composition has a viscosity between a... | 10/18/2011 |
| 7977825 | Energy saver A universal device for saving the standby power consumption of a functional group of appliances that can be constituted equally well by a set of items of computer equipment or a set of items of audiovisual equipment. The device includes at least one control device f... | 07/12/2011 |
| 7898115 | Power supply switch A power supply switch comprising a power input assembly receiving power from a power source, a power output assembly connected to an appliance and a control circuit between the power input assembly and power output assembly. The control circuit comprises a switch ha... | 03/01/2011 |
| 7830042 | Dimmer switch for use with lighting circuits having three-way switches A smart dimmer switch for control of a lighting load from an AC voltage source can replace any switch in a three-way or four-way lighting control system. The smart dimmer switch can be connected on the line-side or the load-side of a three-way system with a standard... | 11/09/2010 |
| 7816816 | Semiconductor device A plurality of circuit blocks are provided in a semiconductor device which collects and corrects impairment quantities of discretionary areas in a circuit group of various types having random couplings. The semiconductor device is provided with a detector, which is ... | 10/19/2010 |
| 7750511 | Method and apparatus for self-contained automatic decoupling capacitor switch-out in integrated circuits An integrated circuit (IC) includes power supply interconnects that couple to a power source. The integrated circuit includes electronic devices that perform desired functions and further includes decoupling capacitor circuits that provide noise reduction throughout... | 07/06/2010 |
| 7687940 | Dimmer switch for use with lighting circuits having three-way switches A smart dimmer switch for control of a lighting load from an AC voltage source can replace any switch in a three-way or four-way lighting control system. The smart dimmer switch can be connected on the line-side or the load-side of a three-way system with a standard... | 03/30/2010 |
| 7642677 | Controlling inrush current from a power supply to a load Apparatus (100) for controlling inrush current from a power supply (250) to a load (255), the apparatus comprising a first (105a) and a second (105b) power supply input and a first (110a) and a second ( | 01/05/2010 |
| 7504749 | Switch and system for controlling electric loads An electrical switch unit (1, 60, 61, 70) is provided for controlling the supply of electrical energy to an appliance (7, 65) that also has its own electrical control switch (38), in particular a water heater. The switch unit has a normally open... | 03/17/2009 |
| 7462957 | Multi-conductor plug and socket apparatus An electronic switching circuit system designed to be compatible with coaxial barrel style plug and socket connectors. Specific plug and socket contacts utilize a simple electronic device that causes the switching circuit associated with either or both the plug and ... | 12/09/2008 |
| 7417339 | Fast transition power supply A power supply includes at least one current source for providing current and a reference voltage generator for providing a first reference voltage and a second reference voltage. A control circuit selectively couples the current to the power supply output as a func... | 08/26/2008 |
| 7411317 | Electrical load status detection and control device An electrical load status detection and control device includes a first power supply circuit loop with a first switch, a second power supply circuit loop with a second switch, a no-load status detection unit connected with the second power supply circuit loop for de... | 08/12/2008 |
| 7408274 | Control and operating condition monitoring of dual series switch contactors for electric motor or other electrical load A circuit for controlling at least two power switches that are series connected between a source of electrical power and an electrical load, for energizing the load in response to a signal at a control input. The circuit includes a programmed controller having an in... | 08/05/2008 |
| 7391133 | Hybrid switch An electrical switching topology for a hybrid switch provides extremely low losses in both cryogenic and non-cryogenic electronic systems. In this switch having switch modules connected in parallel, switching losses in a first module are separated from conduction lo... | 06/24/2008 |
| 7362010 | Currents-sensing switching circuit A current-sensing switching circuit includes a first terminal clamp for the current feed for a first unit, based on the state of a second unit the state of which is detected at a second terminal clamp. The first terminal clamp may be switched, based on the current t... | 04/22/2008 |
| 7345378 | Power supply circuit containing multiple DC—DC converters having programmable output current capabilities A power supply circuit contains a plurality of DC-DC converter control loops that provide respectively different control signals. A plurality of output driver stages of given current drive capabilities have their inputs programmably connectable via a set of switches... | 03/18/2008 |
| 7332834 | Power outlet device for charger and method of transmitting power thereof A power outlet device for a charger comprises an input port, a DC power supply unit, a control unit, a current sensor, a switch, and an output port. The input port of the power outlet device for a charger is used to receive an AC power, and the current sensor and th... | 02/19/2008 |
| 7315097 | Power saving control method and device in electronic device, and power saving electronic device A power saving control method includes providing a latch circuit that is supplied with current for operation from a power source even if a switch circuit is turned off, so that the switch circuit is controlled to be turned off when the latch circuit is in a latched ... | 01/01/2008 |
| 7305038 | Peripheral device receiver detection in a high noise environment A peripheral device includes a data port having high and low impedance terminations, a transmitter having a data signal generator and a receiver detector. The data signal generator is electrically coupled to the low impedance termination of the data port when in a l... | 12/04/2007 |
| 7296107 | System and method for detection of an accessory device connection status Embodiments of this invention provide for a portable computer that determines whether an accessory device is actively connected to it. In one embodiment, the portable computer may include a signal line accessible through an output of the portable computing device. T... | 11/13/2007 |
| 7291986 | Step sinusoidal voltage controlling method for hid, flourescent and incandescent light dimming applications A step voltage controlling device and method for High Intensity Discharge (HID) light dimming applications includes an autotransformer, voltage sensing block, current sensing block, pulse forming block, microprocessor control unit (MCU) block and plural three switch... | 11/06/2007 |
| 7288854 | Power linear and switching regulators commonly controlled for plural loads A power supply apparatus includes a switching regulator, a series regulator, and a controller. The switching regulator performs start and stop operations in response to a first control signal and generates a first constant voltage in response to a first voltage swit... | 10/30/2007 |
| 7282925 | Apparatus to facilitate functional shock and vibration testing of device connections and related method An apparatus and associated method are disclosed for facilitating the testing of device connections, including functional shock and vibration testing of peripheral card slots or any other desired connector interface. In part, a power supply located on the peripheral... | 10/16/2007 |
| 7268992 | Power supply with disconnect fuse A power supply in which a feed voltage (Us) is guided through at least one longitudinal branch to at least one output, the at least one branch having a disconnect fuse formed as a controlled semiconductor switch (SW1) and a monitoring unit (UWE) be... | 09/11/2007 |
| 7245046 | Internal power re-routing by reverse powering to overcome fault scenarios in submarine cable systems System and method for re-routing internal power for reducing voltage requirements of a submarine transmission system. A power supply supplies power to a bridge rectifier circuit (10) the latter biasing a plurality of Zener diodes (11; 12; 13; 14; 15; 16 | 07/17/2007 |
| 7242238 | Drive circuit for voltage driven type semiconductor element A drive circuit for a voltage driven type semiconductor element, includes: an electrical charge discharge unit that discharges electrical charge from a gate terminal of a voltage driven type semiconductor element when the voltage driven type semiconductor element is... | 07/10/2007 |
| 7231283 | Method for regulating the power supply of a number of multiple field devices In a method for regulating the power supply of a plurality of field devices S1, S2, S3, A1, A2, connected to a data bus DBL and supplied with electrical current over the data bus DBL, the electrical current requirements of the indi... | 06/12/2007 |
| 7224557 | Method and system of controlling asynchronous contactors for a multi-phase electric load Control of an induction motor is carried out to limit damaging arcing stress and mechanical stresses placed on the control contactor assembly and the induction motor resulting from the simultaneous or synchronous breaking and making of contactors employed to connect... | 05/29/2007 |
| 7222205 | Flashtoaster for reading several types of flash-memory cards with or without a PC A flash-memory-card reader reads and writes multiple types of flash-memory cards, including CompactFlash, and the smaller SmartMedia, MultiMediaCard, Secure Digital, and Memory Stick. A converter chip converts the different card signals for transfer to a host person... | 05/22/2007 |
| 7197650 | Charging and monitoring apparatus and method of charging a battery and monitoring the power level through power supply line A battery is charged utilizing electric power provided by a power supply line included in a cable that is in accordance with IEEE 1394. A charging apparatus and a personal computer are connected together by the cable. A power source unit in the personal computer con... | 03/27/2007 |
| 7196433 | Multi-output device with preset power supply priority A multi-output circuit device with preset power supply priority that provides higher safety, wherein, the load of inferior priority depending on the preset overload breaking sequence is cut off first when the total load amperage exceeds the rated amperage while main... | 03/27/2007 |
| 7196434 | Modular contactor assembly having independently controllable contractors The present invention provides an electrical isolation apparatus having independently controllable contactors. The isolation apparatus includes a contactor for each phase or pole of an electrical device as well as each phase or pole of a load. Each contactor is cons... | 03/27/2007 |
| 7190714 | Peripheral device receiver detection in a high noise environment A receiver detector of a peripheral device for use in a computer system to detect whether a receiver is electrically coupled to a data port of the peripheral device includes a modulator, a high pass filter, and a demodulator. The modulator is configured to modulate ... | 03/13/2007 |
| 7184899 | Energizable electrical test device for measuring current and resistance of an electrical circuit Provided is an electrical test device having multi-meter functionality and being adapted to provide current sourcing to an electrical system for selective measurement of a plurality of parameters. The electrical test device comprises a conductor probe element, a pow... | 02/27/2007 |
| 7166934 | Package-based voltage control A device package that receives a voltage from a power supply on a motherboard and that includes provisions for a voltage control element that controls the power supply voltage. The provisions for the voltage control element are such that the voltage from the power s... | 01/23/2007 |
| 7159210 | Performing secure and insecure computing operations in a compartmented operating system A process 23 runs directly on a host operating system 22, until the process 23 attempts an operation which can affect security of the host operating system 22 (such as loading a kernel module or using system privileges). A guest operating... | 01/02/2007 |
| 7157860 | Control device for flashlight systems in airports A control for a flashlight system in an airport, includes flash units which are connected to an energy supply line and, on the output side, to respective flashlights of the flashlight system via a light cable. In order to avoid unwanted high voltages, each flash lig... | 01/02/2007 |
| 7154254 | Apparatus and method for improving electromagnetic compatibility A method and apparatus for providing improved electromagnetic compatibility between a power source (20) and a switching element (22) in a switched mode power supply includes a device (24) for measuring an electrical variable, for example current... | 12/26/2006 |
