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7589436 |
Data processing unit and DC backup power supply
A backup power supply is so constructed that it is provided with multiple DC backup power supplies 111 to 11 N, each containing nickel-metal hydride battery, stored upright on the bottom of the...
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7586213 |
Control circuit for relay-operated gas valves
A control circuit and methods for controlling gas valves via a relay are provided. In one illustrative embodiment, a control circuit includes or is connected to a relay that controls the opening...
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7579707 |
Discharge prevention circuit and electronic equipment provided with the discharge prevention circuit
A discharge prevention circuit and electronic equipment with the discharge prevention circuit are provided. The discharging prevention circuit includes a first power line, a second power line, a...
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7567665 |
Function for controlling line powered network element
A method of controlling power in a network element includes powering the network element by receiving power from a power communication medium and providing a telecommunication service over a...
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7560834 |
Generator switch
In a device for disconnecting and/or connecting m phases (u, v, and w) of an alternating voltage providing source ( 1 ) from n phases (n 1 , n 2 , n 3 ) of a load ( 3 ), each of the m phases (u, v,...
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7559678 |
Automatic warning light control device for automobiles
An automatic warning light control device is applicable to an automobile and includes a controller electrically coupled to directional signal lights of the automobile. The controller is...
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7547994 |
Apparatus and method for managing power of mobile terminal
An apparatus for managing power of a mobile terminal includes: a first voltage regulating unit that changes the level of power from an external power source to a first level; a second voltage...
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7545057 |
Relay circuitry and switching circuitry for power-over-network devices
Relay circuitry for a power-over-network device is provided. The relay circuitry allows power-supplying network devices to identify and subsequently to supply power across a network connection to...
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7535131 |
Smart switch
A universal switch interface includes a monitored switch having an ON mode and an OFF mode of operation and connected circuitry. The circuitry includes a rising edge sensor coupled to the monitored...
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7528507 |
Current sensing load demand apparatus and methods
An apparatus supplies AC power to a load. The apparatus includes a set output terminals, a primary circuit, and a load sensing circuit. The primary circuit is electrically coupled to a source of AC...
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7498695 |
More compact and higher reliability power source system
This invention features a more compact and higher reliability power source system for computing loads, the system including a high voltage DC bus connected to a number of DC sources each connected...
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7489142 |
Proximity sensor for X-ray apparatus
A capacitive proximity sensor for use in object and position sensing and/or position control in respect of a swing arm of a medical imaging system. The sensor comprises, within a cover ( 18 ), an...
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7466040 |
Touch sensor controlled switch with intelligent user interface
A module for controlling power supply to a load in a product which includes a microchip, and an electromechanical switch and a proximity/touch sensor connected to the microchip, preferably to the...
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7454012 |
Managing power in a line powered network element
A system for managing power from a power source for at least one line powered network element in an access network is provided. The system includes a power manager that establishes at least one...
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7443056 |
Junction device with logic and expansion capability
A junction box receives a plurality of input signals. The input signals are combined in accordance with AND logic to provide an output signal when all input signals are present. Multiple junction...
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7443055 |
Systems and methods for providing redundant voltage regulation
Systems and methods for providing redundant voltage regulation are provided. A representative method incorporates: providing a first voltage regulator and a second voltage regulator, the second...
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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...
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7411489 |
Self-adjusting dual technology occupancy sensor system and method
The present invention provides a system comprising an occupancy sensor for sensing occupancy of an area, able to activate upon sensing occupancy of the area, maintain activation when sensing...
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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...
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7385314 |
Power supply having power saving mode
A removably connected power supply for supplying external power to an electronic product. An output unit supplies power to the electronic product. A switching unit selects whether to supply the...
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7375445 |
Apparatus for moving the effect of a wall switch from its switched power outlet to a non-switched outlet
A controller that can move the effect of a wall switch from its associated a controller that can move the effect of a wall switch from its associated switched power outlet socket to any regular...
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7369059 |
Electrical apparatus having status indicating means
An electrical power distribution device such as a junction box or the like includes a status indicator that also serves not only to indicate the status of energization of a connector mounted in a...
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7315096 |
Voltage regulator circuit for blade server
The present invention is to provide a voltage regulator circuit disposed on a circuit board of a blade server including a voltage regulator module for converting voltage of a power source and...
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7304404 |
Fan system for vehicles and method for controlling fan in vehicles
A fan system is provided which keeps a record of the electric connection between a battery ECU and an accessory battery and starts a fan if it is determined based on the record that the electric...
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7274118 |
Solid state MEMS activity-activated battery device and method
A system includes a thin-film battery and an activity-activated switch. In some embodiments, the system is placed on a substrate with an adhesive backing. In some embodiments, the substrate is...
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7272497 |
Vehicle navigation system with multi-use display
A vehicle navigation system (e.g., GPS) with multi-use display generator that provides for the switching of a displayed image from a navigational based image to a non-navigational image such as a...
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7263292 |
Methods and apparatus for controlling multiple infrared devices
A method and apparatus for controlling a plurality of infrared devices (ICDs) is provided herein. A remote controller is used to generate an optical signal for controlling a plurality of ICDs. The...
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7256692 |
Anti-tamper apparatus
One apparatus embodiment includes a patterned electrically conductive layer, a power source, and an actuator. The power source provides an electrical signal to the electrically conductive layer....
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7242109 |
Bus system for an agricultural vehicle
The invention relates to a bus system comprising a bus line, to which electronic devices ( 26–36 ) can be connected. According to the invention, at least one electronic device ( 36 ) can be...
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7239047 |
Switch device incorporating capacitive oscillator
A switch ( 10 ) comprises a face plate ( 16 ) and a single switch sensing oscillator ( 18 ) responsive to a switch activating presence. The oscillator ( 18 ) has a resistive component ( 36 )...
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7227279 |
Phase deficiency display device for thermal magnetic type molded case circuit breaker
Disclosed is a display device for a thermal magnetic type molded case circuit breaker capable to display a phase deficiency occurred on a line to a user such that the user rapidly deals with the...
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7215042 |
Interface for peripheral device detection
An interface for detecting connected peripheral devices. The interface comprises a jack and a control unit determining the power requirements of peripheral devices, the control unit detecting the...
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7205683 |
Circuit for preventing unintentional power off of mobile terminal and method thereof
A circuit for preventing temporally power off of potable electric devices by loose contact of battery is disclosed. The circuit includes a power charge unit for receiving a first state signal...
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7199490 |
Semiconductor device for preventing noise generation
There is provided a second switch used to turn on/off connection between a first circuit portion with a decoupling capacitance on a first switch side. Then, in accordance with on/off of the first...
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7180208 |
Switch structure for reduced voltage fluctuation in power domains and sub-domains
System and method for reducing voltage fluctuations in an integrated circuit with multiple power domains and sub-domains. A preferred embodiment comprises a plurality of voltage sources and a...
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7177132 |
Method and apparatus for determining a switching signal state
A technique for controlling a switching circuit includes one or more sensing circuits that generate signals based upon the presence of an actuating object and upon a randomly applied strobe signal....
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7161265 |
Source and system which are used to power a removable electric charge
The invention related to an electric power source which is intended to be connected to an electric charge by means of a removable connected cable. The inventive source comprises: a controllable...
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7138732 |
Security and energy control system and method
A system detects for the presence of an identification (ID) code associated with an object. The detected ID code is communicated to a computer and power is provided to an energy consumption device....
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7132766 |
Method and apparatus for providing a switching signal in the presence of noise
A technique for controlling a switching circuit, such as a relay, includes one or more sensing circuits that generate signals based upon the presence of an actuating object and upon a randomly...
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7129703 |
Safety switch with an electronic programmable system
A safety switch with an electronic programmable system including a group of two single-contact relays connected in series, associated with a matching element, a proximity element associated with a...
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7116015 |
System and method for dynamically configuring an information handling system
A system and method for dynamically configuring an information handling system includes a configurable backplane having one or more connectors, at least one switch, one or more terminations, and at...
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7102253 |
MOSFET based, high voltage, electronic relays for AC power switching and inductive loads
A MOSFET based, high voltage, high current AC electronic relay operating with normally closed contacts is disclosed. The relay includes at least one MOSFET switching circuit selectively switching...
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7084529 |
Self-powered switch initiation system
A self-powered switching device using a prestressed flextensional electroactive member generates a signal for activation of a latching relay. The electroactive member has a piezoelectric element...
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7068496 |
Docking solution for a tablet notebook computer
A docking solution for a tablet notebook computer is described. Specifically, the docking solution provides a way to adjust the tilt angle of the tablet screen while conserving area. Further, a...
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7051563 |
Door key retention security system
This Door Key Retention Security System guarantees that a key used to enable operation of a powered door is retained or locked in the invention until the door is, once again, closed. Thus, it...
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7045916 |
Electronic fuel selection switch system
Devices and methods for providing a switch for selecting which of a number of fuel valves receives power. The switch preferably provides a delay between the powering down of a first fuel valve and...
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7045914 |
System and method for automatically providing continuous power supply via standby uninterrupted power supplies
A system for automatically providing continuous power supply via standby uninterrupted power supplies (UPSs) includes: a plurality of primary UPSs ( 10 ) for providing power supply to electrically...
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7026861 |
Electronic door latch system with water rejection filtering
A control circuit receives inputs from first and second field effect sensors. The control circuit produces a control output only if the second field effect sensor senses proximity or touch more...
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7005761 |
Circuit configuration for off-load switching, switch mode power supply, clocked supply, voltage regulator, lamp switch, and methods for operating the circuit configuration
A circuit configuration is used for off-load switching. The circuit configuration can be used as a component in a switch mode power supply, a clocked supply, a voltage regulator, and a lamp switch,...
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7005760 |
Automatic transfer switch system capable of governing the supply of power from more than two power sources to a load
An automatic transfer switch (ATS) system and method of operating an ATS system for governing the providing of power from first, second and third power sources to a load are disclosed. In one...
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