...In 1790, the cost to obtain a patent was between $4 and $5.
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 |
| 8004123 | System and method for load control A system is described including a means for receiving a potential and selectively supplying the potential to a load. The receiving and supplying means being responsive to a load control signal to supply the potential to the load when the load control signal is prese... | 08/23/2011 |
| 7999415 | Electronic leakage reduction techniques Electronic leakage reduction techniques are provided, whereby an electrical outlet with a programmable computing unit is programmed to detect the current, resistance, power or pattern of current, resistance or power of an attached appliance in the on position and/or... | 08/16/2011 |
| 7977823 | Load condition controlled power module In accordance with various aspects of the present invention, a method and circuit for reducing power consumption of a power module during idle conditions is provided. In an exemplary embodiment, a power module is configured for reducing power during idle mode by dis... | 07/12/2011 |
| 7964995 | Load condition controlled wall plate outlet system In accordance with various aspects of the present invention, a method and circuit for reducing power consumption of a wall plate system during idle conditions is provided. In an exemplary embodiment, a wall plate system is configured for reducing power during idle m... | 06/21/2011 |
| 7964994 | Load condition controlled power strip In accordance with various aspects of the present invention, a method and circuit for reducing power consumption of a power strip is provided. In an exemplary embodiment, a power strip is configured for reducing or eliminating power during idle mode by disengaging a... | 06/21/2011 |
| 7888821 | Apparatus and method for powering load center circuits with an auxiliary power source An electrical distribution system is designed to automatically connect a dedicated group of circuits, which are normally powered by a primary power source, to an auxiliary power source upon detection that there has been a disruption or failure in the primary power s... | 02/15/2011 |
| 7834486 | Apparatus and method for powering load center circuits with an auxiliary power source An electrical distribution system is designed to automatically connect a dedicated group of circuits, which are normally powered by a primary power source, to an auxiliary power source upon detection that there has been a disruption or failure in the primary power s... | 11/16/2010 |
| 7821161 | Electronic leakage reduction techniques Electronic leakage reduction techniques are provided, whereby an electrical outlet with a programmable computing unit is programmed to detect the current, resistance, power or pattern of current, resistance or power of an attached appliance in the on position and/or... | 10/26/2010 |
| 7816815 | System and method for the detection of regenerated AC voltage A system and method are presented to detect and account for regenerated voltage in a three phase power source failures. The method involves monitoring a power source for phase voltage unbalances to determine the presence of a single phase failure. If the voltage unb... | 10/19/2010 |
| 7800252 | Load condition controlled wall plate outlet system In accordance with various aspects of the present invention, a method and circuit for reducing power consumption of a wall plate system during idle conditions is provided. In an exemplary embodiment, a wall plate system is configured for reducing power during idle m... | 09/21/2010 |
| 7800251 | System and method for load control A system is described including a means for receiving a potential and selectively supplying the potential to a load. The receiving and supplying means being responsive to a load control signal to supply the potential to the load when the load control signal is prese... | 09/21/2010 |
| 7795759 | Load condition controlled power strip In accordance with various aspects of the present invention, a method and circuit for reducing power consumption of a power strip is provided. In an exemplary embodiment, a power strip is configured for reducing or eliminating power during idle mode by disengaging a... | 09/14/2010 |
| 7795760 | Load condition controlled power module In accordance with various aspects of the present invention, a method and circuit for reducing power consumption of a power module during idle conditions is provided. In an exemplary embodiment, a power module is configured for reducing power during idle mode by dis... | 09/14/2010 |
| 7755221 | Electronic device with compound audio interface and power adapter An exemplary electronic device includes a power module having an anode and a cathode; an audio module having an audio signal terminal and a ground terminal; an audio socket having an audio signal terminal and a ground terminal; a first relay-switch; a second relay-s... | 07/13/2010 |
| 7737582 | Self-protective high-current low-loss bi-directional semiconductor switch module and method of operation A high current, light weight, thermally stable, bidirectional semiconductor switch module in an electrical system uses MOSFET technology in a back-to-back parallel architecture. The device comprises a controller which permits it to operate in high electrical noise e... | 06/15/2010 |
| 7635927 | Relay switch including an energy detection circuit A semiconductor relay switch having two data ports receiving incoming signals and a power supply terminal receiving a power supply voltage is responsive to a power supply voltage level and an energy level of the incoming signals to open and close its conduction path... | 12/22/2009 |
| 7629712 | Electronic apparatus having DC voltage conversion function, and DC voltage converter A voltage conversion circuit is provided for efficiently converting the voltage of a DC power source into a lower voltage in accordance with load currents of voltage converters. An electronic apparatus includes: a DC power source for supplying a first DC supply volt... | 12/08/2009 |
| 7602083 | Apparatus and method for powering load center circuits with an auxiliary power source An electrical distribution system is designed to automatically connect a dedicated group of circuits, which are normally powered by a primary power source, to an auxiliary power source upon detection that there has been a disruption or failure in the primary power s... | 10/13/2009 |
| 7602084 | Power switching circuit A power switching circuit is disclosed. The power switching circuit includes an output switch coupled to a power supply, a control circuit controlling the first switch to output the power supply according to a voltage of a node, and a user switch for receiving a swi... | 10/13/2009 |
| 7550877 | Electronic apparatus and power supply controlling method The present invention relates to an electronic apparatus and a power supply controlling method with which input power source is switched efficiently in accordance with a load of a device. A power controller 50, upon detecting a USB connection, monitors power ... | 06/23/2009 |
| 7531921 | Compact non-contact multi-function electrical switch A compact non-contact multi-function electrical switch for use in an electrical box mounted on a wall has a one or more capacitance sensors for detecting a presence of a hand placed adjacent to the switch, as well as the directional movements of the hand along an X ... | 05/12/2009 |
| 7504748 | Relay switch including an energy detection circuit A semiconductor relay switch having two data ports receiving incoming signals and a power supply terminal receiving a power supply voltage is responsive to a power supply voltage level and an energy level of the incoming signals to open and close its conduction path... | 03/17/2009 |
| 7432613 | Self-protective high-current low-loss bi-directional semiconductor switch module and method of operation A high current, light weight, thermally stable, bidirectional semiconductor switch module in an electrical system uses MOSFET technology in a back-to-back parallel architecture. The device comprises a controller which permits it to operate in high electrical noise e... | 10/07/2008 |
| 7391134 | Electrical safety lockout mechanism for power tools and other hazardous machinery An improved electrical lockout mechanism includes a first connection means to a power source, and a second connection means to the power input terminal of the machine being protected. The machine being protected includes a manually-operated ON/OFF switch. A switchin... | 06/24/2008 |
| 7372942 | Medical imaging system with dosimetry for estimating circuit board life A dosimeter is provided on or adjacent to a circuit board deployed in a radiation environment. The dosimeter may be read or output a value or values indicating radiation dosage over a period of time. The radiation dosage associated with the circuit board may be used... | 05/13/2008 |
| 7372315 | Switching circuit using semiconductor switching element A switching circuit includes a semiconductor switching element having a control electrode and a source-drain current path, the source-drain current path being connected between a voltage source and a load circuit, a parallel circuit formed by first and second transi... | 05/13/2008 |
| 7358463 | Switching power supply and method for stopping supply of electricity when electricity of switching power supply exceeds rated electricity A switching power supply includes a sensor for detecting that the output level of the switching power supply has exceeded a rated output level, and a memory that stores data for estimating temperature change of a heat-producing component during a period in which the... | 04/15/2008 |
| 7359628 | Control device for an electric motor The invention relates to a drive device for an electric motor, in particular for a brushless DC motor in an electrical tool, which is powered by a rechargeable battery. The drive device has at least one power semiconductor, in particular for controllable application... | 04/15/2008 |
| 7354287 | Shorting connector An electrical connector includes a housing that may form a first contact channel and a second contact channel. A first contact having a longitudinal axis may be disposed within the first contact channel, and a second contact may be disposed within the second contact... | 04/08/2008 |
| 7342329 | Power supply for electrical domestic appliances and domestic appliances for co-action with such a power supply The invention relates to a power supply for electrical domestic appliances, comprising: at least one connection to the mains electricity supply, and at least one connector for releasable electrical coupling of the power supply to a domestic appliance, wherein the po... | 03/11/2008 |
| 7327053 | Electronic power circuit An electronic power circuit includes at least one power semiconductor whose control inputs are connected to a trigger device and a power supply which, on the output side, is connected to terminals of the trigger device and, on the input side, is connected to an acce... | 02/05/2008 |
| 7319282 | Switch circuit A switch circuit for controlling the supply of electrical power from an electrical power source to a load includes a power supply switch comprising input, output and control terminals. The circuit further includes an electronic switching device connected to the cont... | 01/15/2008 |
| 7313489 | System and method utilizing virtual switching for electrical panel metering A system and method utilizing virtual switching in an electrical panel meter. The virtual switching enables the meter to be upgraded or downgraded through a switching signal, by activating or deactivating the metering functions that are to be performed in the meter.... | 12/25/2007 |
| 7310211 | Method for suppressing latch-ups occurring in a circuit, and systems for carrying out said method According to the invention, in order to suppress a latch-up, the supply voltage is switched off following the detection of a latch-up, charge located in the circuit is reduced with the air of a short-circuiting switch, and the detection of a low voltage is temporari... | 12/18/2007 |
| 7288853 | Power control center with solid state device for controlling power transmission A semiconductor device for an automotive power control center. The device can include first, second and third legs, a semiconductor and an insulating material. The semiconductor is coupled to the legs and configured to transmit relatively high current power between ... | 10/30/2007 |
| 7285007 | Combination power circuit light coding system Systems, methods, and apparatuses for isolating an electrical problem in a power pack include a system in accordance with various embodiments of the invention. The system includes a power pack. The power pack includes an input cord including at least a first indicat... | 10/23/2007 |
| 7274223 | Semiconductor device As devices are often different in the characteristics from one another, semiconductor chips based on the devices have discrepancies in the performance. A semiconductor device having a semiconductor switching element and a drive controlling means (1) for gener... | 09/25/2007 |
| 7268447 | Power control center with solid state device for controlling power transmission An automotive power control center that includes a housing, a first conductor coupled to the housing, a second conductor, a control circuit, which is coupled to the housing, and a semiconductor. The second conductor is coupled to the housing and insulated from the f... | 09/11/2007 |
| 7268446 | Power control center with solid state device for controlling power transmission An automotive power control center that includes a housing, a first conductor coupled to the housing, a second conductor, a control circuit, which is coupled to the housing, and a semiconductor. The second conductor is coupled to the housing and insulated from the f... | 09/11/2007 |
| 7265315 | Method of joining terminals by soldering A method of joining terminals by soldering is provided which allows control of increasing gas supply even in soldering performed in a gas atmosphere within a gas chamber. Utilizing a springback phenomenon occurring at a flat portion of a terminal, a solder joint of ... | 09/04/2007 |