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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8115336 | Power saving circuit A power saving circuit (PSC) may include a first circuit and a second circuit electrically coupled in series in a power sharing configuration. The PSC may further include a regulator that is electrically coupled to a first node between the first and second circuits.... | 02/14/2012 |
| 8049361 | RF adapter for field device with loop current bypass A wireless adapter for use with a two-wire process control loop is configured to couple to a process field device in an industrial process control system. The wireless adapter is coupled to the two-wire process control loop and provides wireless communication to the... | 11/01/2011 |
| 8004112 | Communication apparatus, communication system, image capture apparatus, video capture apparatus, and setting method thereof A communication apparatus has a electrical outlet that is electrically connected to a power connector so as to supply power externally; a connection detector that detects connection of an external plug to the electrical outlet; and a controller that uses a receiver ... | 08/23/2011 |
| 7732942 | Flasher bulbs with shunt wiring for use in series connected light string with filament shunting in bulb sockets A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt in their respective socket. If flasher bulbs are used in the string, they will twinkle off and on when the operatin... | 06/08/2010 |
| 7342327 | Series connected light string with filament shunting A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set w... | 03/11/2008 |
| 7336463 | Device and method for dimming service loads A device and method are provided for detecting and configuring a solid state dimmer when wired in series or parallel with a load powered by an alternating current (AC) input. The device can comprise a microcontroller configured to be powered by the AC input. A zero-... | 02/26/2008 |
| 7279809 | Christmas light string with single Zener shunts A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set w... | 10/09/2007 |
| 7278036 | System and method for starting up plural electronic devices in an orderly manner A system for starting up plural electronic devices includes an external controller, a power source, and four backboards. The external controller includes four output ends. Each backboard includes a power switch connected to a respective electronic device and to the ... | 10/02/2007 |
| 7261458 | Semiconductor chip with container and contact elements for use in a light socket A shunt device for use in a light socket includes a first semiconductor chip and a first container having a receiving surface for receiving the first semiconductor chip therein and having an open surface through which the first semiconductor chip is exposed and a fi... | 08/28/2007 |
| 7245085 | Lamp fault detector The continuity of a series-wired, lamp circuit is restored after interruption caused by failure of a lamp filament by providing a control relay that is wired in parallel with each lamp. A power resistor having a resistive load substantially the same as that of a lam... | 07/17/2007 |
| 7242148 | Continuous current control circuit modules of series string bulbs type (II) The invention relates to a continuous current control circuit module of series string bulbs type (II), which can maintain the normal current and voltage across each of the bulbs when any of series connected bulbs burn out. The string includes a shunt in every bulb a... | 07/10/2007 |
| 7227341 | Circuit for use with switched leg power supply A circuit for use with a power supply coupled in a switched leg of, for example, a lighting circuit, is described. The circuit provides a low impedance near the zero crossing of the AC signal and a high impedance thereafter, thereby allowing the power supply to draw... | 06/05/2007 |
| 7227314 | Voltage equalization method and apparatus for low-voltage lighting systems A method and apparatus to equalize the voltage across each light bulb in a low-voltage lighting system, commonly found in the yards of private homes and businesses. The present invention consists of a power compensation element that is inserted in-line with each lig... | 06/05/2007 |
| 7202607 | Year-round decorative lights with time-multiplexed illumination of interleaved sets of color-controllable LEDS A decorative lighting apparatus provides user-selectable color schemes corresponding to several holidays and other occasions for year-round use. In one illustrative example, the decorative lighting apparatus includes control circuitry which has a plurality of color-... | 04/10/2007 |
| 7173347 | Method and apparatus for driving and controlling on-vehicle loads In an apparatus for driving and controlling plural on-vehicle electrical loads, an on-vehicle power supply generates power to be supplied the loads each having a priority. A power calculating device calculates a current available amount of the power to be supplied f... | 02/06/2007 |
| 7171461 | Network remote power management outlet strip A vertical-mount network remote power management outlet strip embodiment of the present invention comprises a long, thin outlet strip body with several independently controllable power outlet sockets distributed along its length. A power input cord is provided at on... | 01/30/2007 |
| 7157859 | Lighting device and lighting system First resistors (R1, R2) for setting a forward current value are connected in series to light-emitting diodes (LED 1, LED 2) respectively to constitute first serial circuits (112, 113), which are connected to an input terminal (... | 01/02/2007 |
| 7139648 | Apparatus for actuating a control element for a heating or air-conditioning system in a motor vehicle The invention relates to an apparatus for actuating a control element, for example, an air flap, for a heating or air-conditioning system (34) in a motor vehicle, having an actuating drive (32), an electrical circuit (1) which controls the actua... | 11/21/2006 |
| 7116014 | Method and apparatus for stabilizing “DC-DC Transformers” in a distributed power system using remote sense The output voltage of a dc—dc transformer having a ratio of approximately m/n, and which is powered from a main power supply having a remote sense input, can be stabilized by feeding the output of the dc—dc transformer to the remote sense input of the main power... | 10/03/2006 |
| 7095134 | Error recognition for power ring A power ring device that includes: a ring conductor; a plurality of controllers, each controller being connected to the ring conductor and includes a first control unit; a plurality of paired pick ups, wherein each pair connects either an electrical consumer device ... | 08/22/2006 |
| 7086758 | Series connected light string with filament shunting A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set w... | 08/08/2006 |
| 7079773 | Power feeding for an optical transmission system A method and an apparatus for optical transmission line power feed interference compensation for compensating for an electrical interference signal in a power feed conductor (12; 52) and in an associated second conductor (14; 54). The interference sign... | 07/18/2006 |
| 7064498 | Light-emitting diode based products High-brightness LEDs, combined with a processor for control, can produce a variety of pleasing effects for display and illumination. A system disclosed herein uses high-brightness, processor-controlled LEDs in combination with diffuse materials to produce color-chan... | 06/20/2006 |
| 7054172 | Method and structure for active power supply control and stabilization A method and structure for active power control of a power supply element coupled to an electronic circuit. The structure comprises a control element coupled to the electronic circuit, said control element comprising one or more of a phase detector, a counter, a lev... | 05/30/2006 |
| 7042116 | Series connected light string with filament shunting A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set w... | 05/09/2006 |
| 7043543 | Vertical-mount electrical power distribution plugstrip A vertical-mount electrical power distribution plugstrip comprises a long, thin plugstrip body with several power outlet plugs distributed along the length of one face. A power input cord is provided at one end, and this supplies operating power to each of the power... | 05/09/2006 |
| 6980122 | Dimmer control system with memory A dimmer control system has a communication control loop that connects a master unit in series with a plurality of remote units, and it is superimposed in series on the dimmer load line so as to allow two-way communication between the master unit and remote units wi... | 12/27/2005 |
| 6973153 | Transmit and receive protection circuit A transmit and receive protection circuit for use in a communication system is disclosed. The protection circuit uses a four-diode gate in which the currents through an input portion and an output portion of the diode gate are individually controlled by resistors lo... | 12/06/2005 |
| 6958976 | Abnormality detection method and system having sleep mode check function A plurality of electronic control units is continuously supplied with electric power to be capable of communication one another even when respective controlled devices are in inoperative condition. Each ECU transmits a sleep NG information along with its device ID w... | 10/25/2005 |
| 6958897 | Electrical load drive control apparatus and electrical load drive control method An electrical load drive control apparatus includes: a plurality of drive units, each of which drives one of a plurality of electrical loads; an instruction unit that issues a drive switch instruction to switch drive among the plurality of electrical loads; a detect... | 10/25/2005 |
| 6946805 | Controller for a light display A controller for controlling decorative light displays includes plural outlet ports for providing power to a plurality of decorative light strings. The controller alternately illuminates and dims the different lights strings according to a variety of synchronized pa... | 09/20/2005 |
| 6873063 | Electrical power distribution suitable for a substantially underwater system A substantially underwater system comprises a plurality of retrievable substantially autonomous subsea modules (12, 13, 17, 18) and switchgear (15, 16, 21a . . . h). A host facility (6) and the modules are connected in series so as to for... | 03/29/2005 |
| 6765313 | Series connected light string with filament shunting A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set w... | 07/20/2004 |
| 6580182 | Series connected light string with filament shunting A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the s... | 06/17/2003 |
| 6573617 | Modular power strip A power strip is described which includes a first unit containing a connecting member and an electrical outlet, wherein the first unit is electrically connected to a plug; and (b) a second unit electrically connected to the first unit, the second unit con... | 06/03/2003 |
| 6552581 | Current recycling circuit and a method of current recycling A process and circuitry for drawing current from a power source to produce a first operation, such as a Boolean operation, and reusing the current to generate a further operation. In other words, the current from the first operation may be used to perform... | 04/22/2003 |
| 6512309 | Serializable power receiver/supply unit A serializable power receiver/supply unit having a body with terminals, wiring and components, a male terminal is provided at one end of the body, and a female terminal is provided at another end. Wiring connecting the terminals and components in the body... | 01/28/2003 |
| 6410994 | Modular power strip A modular power strip having two or more modules with each having at least one electrical outlet. The modules are removably connected to each other to provide one or more remote electrical connections. Each module is electrically connected. An electrical ... | 06/25/2002 |
| 6377001 | Intelligent outdoor lighting control system A new and improved outdoor lighting control system for an outdoor lighting system network for automatically sensing, conveying, and recording data relevant to the operation of the lighting system network so that both control and maintenance can be perform... | 04/23/2002 |
| 6344699 | A.C. current distribution system An a.c. current distribution system fed by a current source for providing electrical power to a load, the current distribution system comprising a first and second conductive means connectable to the current source and coupling means to couple substantial... | 02/05/2002 |
