Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8164218 | Power converters and associated methods of control SIMO power converters and associated methods of control are disclosed herein. In one embodiment, a method of converting a signal input signal into multiple output signals includes supplying power to a plurality of output terminals based on a signal input signal, det... | 04/24/2012 |
| 8110944 | Switching circuit and power converter The invention provides a switching circuit and a power converter having a built-in power source for a conduction control terminal even if they have a single-arm structure. In the switching circuit having a switching device and a conduction control terminal power sou... | 02/07/2012 |
| 8072096 | Integrated circuit with multiple independent power supply zones An integrated circuit comprising multiple independent power supply zones at substantially the same voltage level and a method for utilizing such power supply zones. An integrated circuit may comprise a first module and may, for example, comprise a second module. A f... | 12/06/2011 |
| 8063509 | Power supply voltage adjusting apparatus, recording medium, and power supply voltage adjusting method A power supply voltage adjusting apparatus includes a voltage setting part that, according to a characteristic variation of a semiconductor integrated circuit, sets a first power supply voltage of a first power supply domain module among a plurality of modules in th... | 11/22/2011 |
| 8058748 | Power supply converter/s with controller/s responsive to voltage, current, and power Each of power supply units in a power supply system according to the present invention includes a power supply module, a voltage increase/decrease circuit for increasing the voltage across the power supply module and outputting the increased voltage to a load, and a... | 11/15/2011 |
| 8058747 | Systems to connect multiple direct current energy sources to an alternating current system High voltage direct current systems to connect direct current energy sources to an alternating current system. In one aspect, a system includes a plurality of direct current modules having variable direct current inputs; an inverter; and a direct current bus to conn... | 11/15/2011 |
| 8030797 | Apparatus, circuit and method of wiring for supplying power An apparatus includes a plurality of wirings, a first power supply to provide a first power to at least one of the wirings, the first power supply being connected to the at least one of the wirings, and a second power supply to provide a second power to at least one... | 10/04/2011 |
| 8013470 | System and method for supplying power to a power grid System and methods for supplying electric power to a power grid are disclosed. The system includes a power generation source, a charging station for charging a zinc-based energy storage device from the power generation source, and a transport module for transporting... | 09/06/2011 |
| 7973427 | Converter control unit The disclosure relates to a converter control unit or power system stabilizing unit for counteracting oscillations in electric power systems that is equipped and employed to provide and processes information for system-wide monitoring, protection, control and meteri... | 07/05/2011 |
| 7973426 | Personal protection control unit A personal protection control unit, having an energy reserve which is charged by a battery voltage and supplies power to the control unit. In addition, a first voltage supply circuit is provided, down-converting the voltage of the reserve power in such a way that th... | 07/05/2011 |
| 7969042 | Application of power multiplication to electric power distribution In various embodiments, various systems and methods are provided for power distribution. In one embodiment, power distribution apparatus is provided comprising a power multiplier comprising a multiply-connected electrical structure, and a plurality of power network ... | 06/28/2011 |
| 7956493 | Integrated circuit and method for manufacturing an integrated circuit One or more embodiments of the invention relate to an integrated circuit including a first power supply domain and at least a second power supply domain. Furthermore, the integrated circuit includes a radio frequency element connected between the first power supply ... | 06/07/2011 |
| 7939965 | Charge of equalization apparatus with parallel connection of secondary windings of multiple transformers The present invention relates, in general, to a charge equalization apparatus with series-connected battery cells and, more particularly, to a charge equalization apparatus, in which series-connected battery cells (B1 to BN) are connected in parallel with the... | 05/10/2011 |
| 7932632 | Switching power supply with overvoltage protection and overvoltage protection method thereof A switching power supply with overvoltage protection includes a soft start circuit, a rectifying circuit, a filter capacitor, a main supply, an auxiliary supply and a monitoring circuit. When the input voltage is higher than the predetermined protection voltage, a f... | 04/26/2011 |
| 7915759 | Micro-power source module A power source IC and noise absorption capacitors (decoupling capacitors) are formed on an inductor in such a manner that the noise absorption capacitors are provided on the input side and the output side, respectively. A micro-power source module can thus be provid... | 03/29/2011 |
| 7868480 | Saturating series clipper A clipper circuit for regulating an unregulated or semi-regulated output of a power supply unit. The circuit includes a gate element between the load and the input voltage from the power supply unit. The gate is activated by a comparing circuit, which turns the gate... | 01/11/2011 |
| 7804192 | High-frequency signal coupling device A device for coupling high-frequency signals between a first component and a second component is adapted to supply a first bias voltage-current pair to the first component and a second bias voltage-current pair to the second component. ... | 09/28/2010 |
| 7772719 | Threshold voltage control circuit and internal voltage generation circuit having the same A threshold voltage control circuit includes a first voltage supplying unit for supplying a first power supply voltage, in response to an enable signal which is activated when a bank is enabled, as a back bias voltage of a first MOS transistor, wherein the first MOS... | 08/10/2010 |
| 7763991 | Voltage generating circuit A voltage generating circuit comprising: a switching device which includes a first end connected to a high potential side power source, and which becomes conductive in a first mode and becomes non-conductive in a second mode; a first transistor including a first mai... | 07/27/2010 |
| 7750500 | Integrated circuit with multiple independent power supply zones An integrated circuit comprising multiple independent power supply zones at substantially the same voltage level and a method for utilizing such power supply zones. An integrated circuit may comprise a first module and may, for example, comprise a second module. A f... | 07/06/2010 |
| 7741733 | Modular battery control apparatus A modular battery control apparatus includes a first stationary contact adapted for electrical communication with coach loads and a battery charger, a second stationary contact adapted for electrical communication with a coach battery, a third stationary contact ada... | 06/22/2010 |
| 7719138 | Two-source series inverter Systems and methods are disclosed for a two-source series inverter. The systems and methods combine operation of a first voltage source and a second voltage source in series powering a novel voltage combining arrangement and a conventional inverter via a switch conf... | 05/18/2010 |
| 7705486 | Integrated circuit having multiple power domains An integrated circuit includes first and second power domains, a power supply control unit, and a switch block. The power supply control unit supplies a first voltage to the first power domain and a second voltage to the second power domain. The switch block provide... | 04/27/2010 |
| 7547989 | Control architecture for power supply The present invention discloses a control structure for a power supply, which comprises: a primary power system, a power switching unit, and at least one switch. The primary power system transforms an external source power into DC powers. The power switching unit is... | 06/16/2009 |
| 7541691 | Standby power supply apparatus A standby power supply apparatus is provided in which a supply voltage of the standby power source, supplied before electronic apparatuses such as TVs or video players are switched on, is reduced by half to sharply reduce the consumption of the standby electric powe... | 06/02/2009 |
| 7518264 | Digital current share method for power supplies in parallel The present invention relates to a digital current share apparatus and method for supplies in parallel wherein a digital current sharing is used to eliminate oscillations during current sharing by raising current in steps until the currents in power supplies in para... | 04/14/2009 |
| RE40663 | Digital battery A dynamic battery array of individual discrete cells, controllably interconnected for instantaneous dynamic configuration into a plurality of individual power buses having different electrical power output characteristics, each of which is tailored to supply the el... | 03/17/2009 |
| 7501718 | Voltage supply circuit and method for generating a supply voltage A voltage supply circuit has a first supply voltage input connected to a first comparator and to a first voltage regulator, the first comparator controlling the first voltage regulator. A second supply voltage input is connected to a second comparator and to a secon... | 03/10/2009 |
| 7439634 | Electrical starting, generation, conversion and distribution system architecture for a more electric vehicle A system (200) for distributing electrical power, includes: a first high voltage AC power distributing unit (210a) including a first high voltage AC bus (214a-1, 214a-2), which is selectively connected to a fir... | 10/21/2008 |
| 7429807 | Adjustable speed drive system for primary loop recirculation pump An adjustable speed drive system for a primary loop recirculation pump capable of keeping a PLR pump operating even if a single malfunction occurred in a main adjustable speed drive circuit portion. The drive system for the primary loop recirculation pump has a back... | 09/30/2008 |
| 7420294 | Smart power switch for broadband communications network A power switching module provides power to a line amplifier in a broadband telecommunications network. The switch includes a first input port for connection to a first power source, a second input port for connection to a second power source, an input/output port fo... | 09/02/2008 |
| 7414332 | Electric power unit and electronics device obtaining power from a plurality of power sources An electric power unit selectable and usable a plurality of electric sources, including an electric source-discriminating device to detect attached electric sources of the plurality of electric sources, an electric source-selecting device to select one of the attach... | 08/19/2008 |
| 7414330 | Power switch device A power switching device which is used to receive plenty of input voltage and output a switch voltage is provided. The device comprises a first switching unit, a second switching unit, and a self-bias unit. The power switching device outputs a switch voltage accordi... | 08/19/2008 |
| 7411313 | Controller for plural supplies driving single load A controller is disclosed for determining that the currents from the two AC power sources are correctly phased. Required circuitry can be disposed within a housing from which extend power cables having single phase 240V AC, 50A male connector plugs connected at remo... | 08/12/2008 |
| 7400493 | Circuit breaking link status detection and reporting circuit Certain embodiments provide a circuit breaking link status and reporting system. The system includes a power source and a circuit breaking link in communication therewith. An electrical outlet is in interruptible power supply communication with the circuit breaking ... | 07/15/2008 |
| 7391132 | Methods and apparatus providing double conversion/series-parallel hybrid operation in uninterruptible power supplies An uninterruptible power supply (UPS) includes an AC power source, a DC power source coupled to a DC bus, a load, a converter, an inverter and a controller. Responsive to the controller, the inverter receives power from the DC bus to supply the load a regulated volt... | 06/24/2008 |
| 7385374 | Adaptive power system A power system having an extended life and a system and method for extending the life of a battery powered device. In one embodiment, the method comprises providing a plurality of power sources and an alternate energy source. The method also comprises measuring the ... | 06/10/2008 |
| 7380150 | Method for selecting an inductive or battery power supply based on the voltage sensed therefrom for a transponder system A power management circuit for a system that has combined power supplies from an inductively coupled circuit and from a battery comprises voltage sensing circuitry for sensing the voltage of each of the power supplies. A switching arrangement selectively connects on... | 05/27/2008 |
| 7372805 | Traffic grooming methods for undersea trunk and branch architectures In a network architecture, selective grooming is performed. In selective grooming, a low traffic node is coupled (a) directly to an other low traffic node via a high capacity trunk, and (b) to a high traffic node via a high capacity trunk such that only a portion of... | 05/13/2008 |
| 7368836 | Volt-second synchronization for magnetic loads A method and device for connecting a load to an AC power source is arranged to ensure that the volt-second ratings of magnetic devices in the load are not exceeded, in order to limit in-rush currents resulting from saturation of the magnetic devices. In the case whe... | 05/06/2008 |
