Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7893559 | Power distribution system A power distribution system comprises a DC bus supplied by an electrical generator and a resistive load connected to the DC bus. A switching device connects to the DC bus and the load and is configured to periodically open the circuit between the resistive load and ... | 02/22/2011 |
| 7839015 | Circuit arrangement having a power supply unit The circuit arrangement has a power supply unit, a mains switch and a switching element, for example a relay, that bridges a first switching contact of the mains switch. A load is coupled to a control terminal of the switching element, so that when the control volta... | 11/23/2010 |
| 7786614 | Semiconductor device of power compensation According to an aspect of an embodiment, a semiconductor device includes: a reference line; a first line provided with a first voltage with respect to the reference line; a second line provided with a second voltage not less than the first voltage with respect to th... | 08/31/2010 |
| 7482708 | Apparatus for controlling power distribution two subsystems A device for controlling a power distribution to subsystems, has a power input to be connected to a power source, a primary power output to be connected to a primary device; at least one secondary power output to be connected to at least one secondary device; sensin... | 01/27/2009 |
| 7352548 | Composite integrated semiconductor device A composite integrated semiconductor device. In one embodiment, an input surge/noise absorbing circuit absorbs surge from an input signal, an attenuating/level-shifting circuit attenuates or level-shifts the input signal, and an electrical signal converting circuit ... | 04/01/2008 |
| 7346462 | System, method, and article of manufacture for determining parameter values associated with an electrical grid A system, method, and article of manufacture for determining parameter values associated with an electrical grid in accordance with an exemplary embodiment is provided. The electrical grid has a point of interconnection where the electrical grid is electrically coup... | 03/18/2008 |
| 7209554 | Ringing controller In a telecommunications system, a switching device selectively applies one of two different voltage supplies to a common node. A first of the voltage supplies is coupled to the common node by a first switch and a second of the voltage supplies is coupled to the comm... | 04/24/2007 |
| 7138728 | Anti-islanding techniques for distributed power generation Techniques for detecting an island in a system including a node that is operatively coupled to a primary power source (e.g., grid) and one or more distributed power generation sources are disclosed. In one embodiment, a current pulse is included in the output of a d... | 11/21/2006 |
| 7109604 | Device for distributing electrical energy and method for monitoring the distribution of energy A device having an energy-generating unit and a distributor unit for distributing electrical energy to electrical loads. The electrical loads are connected to connector part halves of the distributor unit. Connector part halves, arranged at the load ends of the line... | 09/19/2006 |
| 7042117 | Power supply circuit for actuator of an on-board travel control device A power supply circuit for various actuators includes control lines associated with the actuators that receive power from a single voltage increasing circuit. The power supply circuit supplies power to the control lines by splitting or dividing power from a voltage ... | 05/09/2006 |
| 7038522 | System and method for redundant power supply connection A system for connecting a receiver to a redundant power supply. The power supply units are connected to the receiver by means of a pair of control switches, each being connected in series between one of the power units and the receiver, and each having its intrinsic... | 05/02/2006 |
| 7039102 | Highly integrated asymmetric digital subscriber line (ADSL) circuit An asymmetric digital subscriber line (ADSL) transceiver chip is provided that includes a single integrated circuit (IC) substrate to host the circuit and an analog front-end (AFE) configured to receive and transmit analog signals. The AFE has a dynamic range greate... | 05/02/2006 |
| 7016793 | Method and apparatus for anti-islanding protection of distributed generations An apparatus for anti-islanding protection of a distributed generation with respect to a feeder connected to an electrical grid is disclosed. The apparatus includes a sensor adapted to generate a voltage signal representative of an output voltage and/or a current si... | 03/21/2006 |
| 7002265 | Power supply methods and configurations A look-up table assists a source of logic of an apparatus in determining the power requirements of an unknown battery-powered device, so that a configurable power supply adjusts its output to provide the correct power to the device. The functions of the look-up tabl... | 02/21/2006 |
| 6909203 | I/O interface anti-resonance passband shunting technique A method and apparatus for regulating resonance in a computer system I/O interface is provided. A shunting impedance/resistance is arranged across a power supply of the I/O interface. The shunting impedance/resistance is controlled by circuitry that is arranged to d... | 06/21/2005 |
| 6801442 | Power conversion apparatus, power conversion system, and islanding operation detection method When islanding operation is to be detected in a power conversion apparatus for converting a DC power into an AC power and outputting the AC power to a system power supply, a plurality of variation generation systems for executing, in accordance with different scheme... | 10/05/2004 |
| 6657318 | Semiconductor integrated circuit device and method for mounting circuit blocks in semiconductor integrated circuit device A plurality of bypass capacitors are associated with a plurality of circuit blocks involved in a microcomputer. Each bypass capacitor is disposed between a power input terminal of a corresponding circuit block and a ground line. The circuit blocks are arr... | 12/02/2003 |
| 6523129 | Method of preventing computer malfunction during a change of power consumption states via dynamic adjustment of core voltage An improved method of preventing computer malfunction during a change of power consumption states is disclosed. The computer operates a microprocessor at a specified voltage during a normal operation. To offset the normal decrease in voltage due to an ins... | 02/18/2003 |
| 6441590 | Two stage architecture for a monitor power supply A power supply according to the principles of the inventions comprises two stages. The first stage is a power factor corrector stage. This stage provides the required line regulation, including greater than 95% power factor correction, and provides a rang... | 08/27/2002 |
| 6365990 | Cover plate terminal assembly for a transfer switch A power transfer device having various electrical components adapted for interconnection with the electrical system of a building includes a cabinet having a face plate provided with a socket opening which normally accommodates a power input receptacle ad... | 04/02/2002 |
| 6232675 | Power distribution apparatus comprising relay devices for controlling current flow along power paths of the power distribution apparatus A power distribution apparatus which utilizes relay devices to control the flow of power along power paths from an input terminal to one or more output terminals electrically coupled to the power paths. For each power path provided in the power distributi... | 05/15/2001 |
| 6222441 | Process and circuit for connecting an actuator to a line An improved circuit and method for connecting a device to an actuator-sensor interface ("ASI") bus. The circuit provides the proper AC and DC coupling between the device and bus during normal operation, while providing AC and DC decoupling in the event of... | 04/24/2001 |
| 6219623 | Anti-islanding method and apparatus for distributed power generation The invention in the simplest form is a method and apparatus for reliably protecting against island situations with one or multiple power sources connected to an electric distribution grid. The method and apparatus detects variations in the voltage and fr... | 04/17/2001 |
| 6157091 | Power supplying apparatus for a vehicle and an intensive wiring apparatus The electric power breaker for breaking the electric power is placed on the midpoint of the electric power line from the battery power supply, and the electric power line is extracted from the electric power breaker. In addition, the electric power supply... | 12/05/2000 |
| 6144110 | Vehicular use power distribution apparatus and vehicular use power source apparatus A vehicular use power distribution apparatus includes a battery mounted in a vehicle; a main control means connected directly to the battery; a first switch means connected to the battery; a power feed line for loads connected to the first switch means an... | 11/07/2000 |
| 6137189 | Line circuit apparatus for supplying power to a telephone set in telecommunication systems A subscriber line interface circuit ("SLIC") for a telecommunications device powered from a single power source and using a voltage regulator to limit the voltage across the terminals of the telecommunications device to a predetermined value below the ind... | 10/24/2000 |
| 6127741 | Vehicular use power feed apparatus A vehicular use power feed apparatus comprising a battery and a plurality of power distribution units connected in a loop via power feed lines. Each power distribution unit has a current monitoring circuit, a current amount determination circuit, and a cu... | 10/03/2000 |
| 6011326 | Dual switch and/or dimmer system illuminated with single neon lamp A dual lighting control device with a single illuminator includes a line terminal for electrical connection to a source of AC electrical power, first and second electrical switching devices including line and load ends and setable to either an open or clo... | 01/04/2000 |
| 6005302 | Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load A clocked power supply circuit having an at least intermittently active load that is independent of a consumer, in particular for supplying power to gas-discharge lamps as consumers, contains a dc/dc converter comprising a transformer. Switching elements ... | 12/21/1999 |
| 5939803 | System for off-mains switching of current consuming devices such as actuators An off mains switching system automatically switches off the mains current to current consuming units and reestablishes operational voltage thereto in response to switching on of such units. A control circuit actuates a voltage coupler in response to a un... | 08/17/1999 |
| 5936317 | Power supply device for vehicle A power supply unit is provided between a car-carried battery and load units, such as a light control unit. The power supply unit is connected to the load units through a multi-signal line. The power supply unit calculates a consumption current consumed b... | 08/10/1999 |
| 5923103 | Switched-output controller apparatus with repeater function and method for constructing same An electronic switched-output controller apparatus comprises a plurality of relays for providing a plurality of controlled switched outputs, the relays being selected from the group consisting of power relays, signal switching relays, dry contact closing ... | 07/13/1999 |
| 5900680 | Circuit arrangement for supplying an operating voltage from an operating voltage source to a plurality of connectable and detachable circuit units A circuit arrangement that controls the increase in voltage output of an operating voltage source such that a voltage dip during connection (or reconnection after repair) of a pluggable unit remains higher than the minimum allowable value and controls the... | 05/04/1999 |
| 5828140 | Redundant power controller A redundant power controller including two sets of switches, one of which is electrically controlled and the other is controlled manually. The electrically controlled switch is a relay-controlled switch which when detecting an abnormal input voltage, it s... | 10/27/1998 |
| 5304850 | Power line carrier frequency breaker A breaker apparatus for preventing a power line carrier frequency from moving along a power supply lead. The breaker comprises a core member with a first leg, a second leg and a third leg where each leg extends between a top section and a bottom section o... | 04/19/1994 |
| 5243225 | Load shedding system Apparatus for controlling consumer usage of electric power by selective load shedding during peak periods comprises, in combination: a) a transmitter capable of transmitting a burst of a desired duration of electrical pulses of a selected frequency throug... | 09/07/1993 |
| 5138142 | IC card with improved power supply switching circuitry An IC card has its internal load divided into a plurality of load circuits through which substantially equal currents flow. A power supply switching circuit is provided for each of the load circuits. The switching circuits switch the power supply for the ... | 08/11/1992 |
| 5006728 | Dual path power supply circuit with time controlled switching The power supply circuit supplies electric current to a plurality of circuits in turn. The power supply circuit has a power source (5); a resistor (4); one end of which is connected to the power source (5); a first current path (1), one end of which is co... | 04/09/1991 |
| 4880954 | Combined refrigerator and microwave oven with timed overload protection A microwave oven and a refrigerator are combined in a single cabinet and share line power supplied to the cabinet. Door interlocks and a manually settable time are provided for disconnecting electrical supply to the compressor of the refrigerator during o... | 11/14/1989 |
| 4680483 | Comparator circuit A comparator for sensing a small voltage differential at, or close to, the operating voltage rails includes first and second means for producing first and second currents and for producing a third current which is indicative of the difference between the ... | 07/14/1987 |
