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| Number | Title | Issue Date |
| 8097985 | 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 power and to the output terminals for selectively providing power at... | 01/17/2012 |
| 8004121 | Connection cable and method for activating a voltage-controlled generator A connection cable is disclosed for controlling a voltage-controlled generator such as an electrosurgery generator from a controlling device such as a robotic surgery system. The cable includes a first connector adapted to connect to a voltage-controlled generator a... | 08/23/2011 |
| 7915765 | Dual reference capacitive sensing 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 same input. The switch is primarily used to activate or deactivate the... | 03/29/2011 |
| 7872378 | Power management system A power management system for coupling to a worksite power-supply network and a PoE (Power over Ethernet) network, includes a power receiving terminal for receiving an input operating voltage with 24 volt DC from the worksite power-supply network, a voltage converte... | 01/18/2011 |
| 7834484 | Connection cable and method for activating a voltage-controlled generator A connection cable is disclosed for controlling a voltage-controlled generator such as an electrosurgery generator from a controlling device such as a robotic surgery system. The cable includes a first connector adapted to connect to a voltage-controlled generator a... | 11/16/2010 |
| 7804199 | Fail-safe circuit for gas valves A fail-safe circuit and fail-safe methods for controlling gas valves are provided. In one illustrative embodiment, a fail-safe circuit includes at least one input that can be connected to a control device and at least one output that can be connected to a gas valve.... | 09/28/2010 |
| 7781918 | Electrical switching circuit Electrical switch circuitry including a relay with contacts and a transistor. A control circuit switches the transistor ON in response to a voltage difference across the relay contacts reaching a predetermined value, such that in use, electrical current is caused to... | 08/24/2010 |
| 7755218 | Capacitive touch switch and control device A capacitive touch switch and control device is provided. The capacitive touch switch and control device in one embodiment includes one or more capacitive sensor elements, one or more resistors, a capacitor, a capacitance/frequency converter, and an antenna includin... | 07/13/2010 |
| 7755219 | 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 same input. The switch is primarily used to activate or deactivate the... | 07/13/2010 |
| 7723869 | Device for controlling a power electronic switch and speed controller comprising same A device controlling a JFET power electronic switch of normally ON type, including a main gate control circuit powered by a main power source for driving the gate of the JFET switch, a protection switching device that is switchable between two states, an auxiliary c... | 05/25/2010 |
| 7679222 | Power and signal distribution system for use in interior building spaces A power and signal distribution system for the building interior and a method for operating a power and signal distribution system for the building interior are provided. The system includes a plurality of conductors adjacent to at least one surface of a plurality o... | 03/16/2010 |
| 7679221 | Power saving switch A power saving switch which can turn on an electric device manually by manipulation of an automatic switch button or a manual switch button by a user, and simultaneously, stop operation of a sensor for a predetermined time period in order for the sensor to fail dete... | 03/16/2010 |
| 7622828 | Loaded triac output system The interfacing of a controller having an output with components (e.g., a triac) that require more current to successfully drive than the amount of current that is drawn by the circuit or controller which is being driven. The extra current drawn may be efficiently u... | 11/24/2009 |
| 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 and/or closing of a gas valve. The control circuit may also include a f... | 09/08/2009 |
| 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 the power-over-network device, thereby eliminating the need for extern... | 06/09/2009 |
| 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 power and to the output terminals for selectively providing power at... | 05/05/2009 |
| 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 same input. The switch is primarily used to activate or deactivate the... | 12/16/2008 |
| 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 boxes may be connected to one another to increase the number of input ... | 10/28/2008 |
| 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 voltage regulator having output rectifiers; electrically connecting the ... | 10/28/2008 |
| 7439638 | Electronic proximity switching device An electronic switching device, which operates without contact, includes a single sensor element (1), a clock generator, which can be provided internally or which can be connected externally, an evaluation circuit (2), and an electronic or electromecha... | 10/21/2008 |
| 7436327 | Capacitive relay takeoff swimming platform sensor system A capacitive relay takeoff swimming platform sensor system including multiple stations, timing devices and capacitive sensor devices where the presence or departure of a second swimmer on a relay takeoff swimming platform is sensed by the change in a capacitive fiel... | 10/14/2008 |
| 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 |
| 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 continuing occupancy, to include settings therefor, and to enable self-adju... | 08/12/2008 |
| 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 |
| 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 power to the output unit, and a switching apparatus turns on the switchi... | 06/10/2008 |
| 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 (always on) socket by use of a transmitter/receiver paired device locate... | 05/20/2008 |
| 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 first housing opening, but also to illuminate a translucent indicia-be... | 05/06/2008 |
| 7365938 | Disk drive having heat sink device A disk drive having a base member, including: a printed circuit board installed on a rear surface of the base member, on which at least one chip is mounted; a first insulation panel arranged between the base member and the printed circuit board; at least one heat co... | 04/29/2008 |
| 7365989 | Heat dissipating device for computer add-on cards A heat dissipating device mounted onto a VGA card (10) includes a base (22) contacting with a GPU (12) attached on the VGA card, a cover (21) mounted on the base, and a plurality of fins (24) received between and thermally connecti... | 04/29/2008 |
| 7361860 | Integrated touch sensor and light apparatus A touch sensor is physically integrated with a light emitting device to provide a switching device with built-in backlighting. In some embodiments, the touch sensor and the light emitting device share electrical components. ... | 04/22/2008 |
| 7355965 | Apparatus and method for rapid detection of unidirectional breaks in a network ring Normal 802.3 Ethernet requires a tree topology. If a ring or a loop exists, then packets will be forwarded around the ring indefinitely. If the ring is broken, then there is no possibility of packets being propagated forever. This invention shows how to quickly impo... | 04/08/2008 |
| 7348690 | Preventing unsafe operation by monitoring switching means An electronic control that monitors the switching means used to operate transducers to detect conditions that can cause improper transducer operation. In the application the unenergized state of the transducer is always safe. Should a switch in the transducer circui... | 03/25/2008 |
| 7342754 | Bypass circuit to prevent arcing in a switching device A device is provided for preventing arcing between contacts of a switching device as the contacts of the switching device are opened. The device includes a coil suppression circuit connected in parallel with the coil. The coil suppression circuit dissipates the ener... | 03/11/2008 |
| 7342764 | Electronic control systems and methods An apparatus in an electronic control system allows two or three wire operation. A power supply can supply power to the enclosed circuitry in both two and three wire installations. Two separate zero cross detectors are used such that timing information can be collec... | 03/11/2008 |
| 7339887 | Multipoint protected switching ring Normal 802.3 Ethernet requires a tree topology. If a ring or a loop exists, then packets will be forwarded around the ring indefinitely. If the ring is broken, then there is no possibility of packets being propagated forever. This invention shows how to quickly impo... | 03/04/2008 |
| 7337014 | Teach pendant control method and device When a teach pendant is passed from one hand to the other hand in operating the teach pendant having two enable devices (three-position switches) at right and left sides, a problem arises that an operation is inhibited when the teach pendant is shifted from one hand... | 02/26/2008 |
| 7336037 | Intelligent electrical switching device The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a micro... | 02/26/2008 |
| 7334141 | Method of saving energy in an information handling system by controlling a main converter based on the amount of power drawn by the system An information handling system having an energy saving power converter that comprises a main converter for supplying power to the information handling system when in active operation, and an auxiliary converter for supplying standby power to the information handling... | 02/19/2008 |
| 7326869 | Tactile feedback plunger switch A tactile feedback switching mechanism having a plurality of switching states. The tactile feedback switching mechanism includes a plunger switch having a plunger. When the plunger is displaced a given distance the switch changes state. A covering lies at least over... | 02/05/2008 |
| 7324029 | Capacitance-to-digital interface circuit for differential pressure sensor A two phase, second order capacitance-to-digital (CD) modulator includes a first stage sigma-delta integrator that forms charge packets as a function of sensor capacitance during an auto-zero phase and integrates the packets during an integration phase to produce an... | 01/29/2008 |
