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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7986538 | Midpoint current and voltage regulation of a multi-level converter A controller for a multi-level converter regulates the DC midpoint voltage of the multi-level converter by accounting, for the effect non-redundant switch states have on the DC midpoint current. The controller includes a DC bus regulator that monitors the DC output ... | 07/26/2011 |
| 7948781 | Contactless power receiving unit and electronic device employing the same Provided is a contactless power receiving unit which has a simple configuration, and which is capable of generating constant induced electromotive force regardless of the orientation of a power receiving coil. Multiple power receiving coils are arranged to form cert... | 05/24/2011 |
| 7876586 | Multi-pulse rectifier for AC drive systems having separate DC bus per output phase and multiple isolation transformers An 18n-pulse rectifier for AC drive systems having a separate DC bus for each output phase is provided, where n=any positive integer. The rectifier uses three separate phase rectifiers, one for each output phase of a transformer, each comprised of 2n six-pulse diode... | 01/25/2011 |
| 7738272 | Circuit and method for rectifying and regulating voltages A circuit having a first input and a second input configured to apply an alternating voltage, a first output and a second output configured to supply a rectified and regulated voltage, a rectifier bridge circuit having a current return circuit, a third transistor an... | 06/15/2010 |
| 7715215 | Control of an AC-to-DC power supply assembly fed by a three-phase AC source Control of an AC-to-DC power supply assembly fed by a three-phase AC source is provided by: determining whether the power supply assembly includes greater than three single-phase power regulators feeding a common load, with multiple regulators being connected in par... | 05/11/2010 |
| 7710751 | Secondary-side power receiving circuit of noncontact power supplying equipment A plurality of pickup coils 2A and 2B are provided, resonance capacitors 3A and 3B forming resonance circuits 4A and 4B resonating at the frequency of an inductive path 1 are respectively connected in series with the ... | 05/04/2010 |
| 7613020 | Discharge lamp ballast apparatus comprising DC/DC converters having at least two transformers and outputting two kinds of voltages A discharge lamp ballast apparatus includes a DC/DC converter having a transformer T1 and a DC/DC converter having a transformer T2, which are connected in parallel; a control section 4 for controlling the output voltages of the DC/DC converters... | 11/03/2009 |
| 7551461 | Method and apparatus to reduce distortion of currents feeding an AC/DC rectifier system AC/DC rectifiers are vital elements in industry. Their uses include HVdc electric energy transmission, uninterruptible power supplies (UPS), electrochemical plants, railway systems, variable speed induction motors, telephone plants, etc. Regrettably, currents I... | 06/23/2009 |
| 7372682 | System and method for managing fault in a power system A power control system comprises a plurality of power control groups, with each group comprising a plurality of individual point-of-load regulators each adapted to provide respective regulated voltage outputs. The point-of-load regulators may be selected for inclusi... | 05/13/2008 |
| 7348764 | Coil switching of an electric generator An electric generator includes multiple coil sections and switches connected to the multiple coil sections for selectively interconnecting the coil sections in series, or in parallel, or in a series-parallel configuration across first and second power terminals for ... | 03/25/2008 |
| 7304867 | DC-DC converter of multi-output type A DC-DC converter of multi-output type is provided wherein a primary winding 5a is wound around core halves 5g, 5h of a transformer 5 between first and second secondary windings 5b, 5c of t... | 12/04/2007 |
| 7292377 | Image processing apparatus capable of reducing power consumption while connected to an external device A power control circuit (120) is driven by electric power supplied from a controller (200) as an external device via a cable (150), and controls opening/closure of a switch (104) in accordance with instructions from the controller (200... | 11/06/2007 |
| 7271503 | Power supply circuit including stably operating voltage regulators A power supply circuit is constructed by a step-up circuit for receiving an input DC voltage to generate a plurality of output DC voltages, and a plurality of voltage regulators, each powered by two voltages selected from a combination of the output DC voltages and ... | 09/18/2007 |
| 7239044 | Enhanced distributed energy resource system A power transmission system including a direct current power source electrically connected to a conversion device for converting direct current into alternating current, a conversion device connected to a power distribution system through a junction, an energy stora... | 07/03/2007 |
| 7235891 | Power system having generator driven by engine An apparatus for controlling the operation of power conditioners (10) for supplying the generated power to an external power system such as a commercial power system, in which power conditioners (10) are interconnected to an external power system, the ... | 06/26/2007 |
| 7227340 | Alternator rectifier with coil-sensor controlled MOSFETs A switching circuit for an electric machine is provided. The switching circuit includes switches for energizing the phase windings of the machine and sensors for driving the state of the switches. The switches are voltage-controlled devices and the sensors are coils... | 06/05/2007 |
| 7219673 | Transformerless multi-level power converter The cascaded, multi-level inverter can be found in a variety of applications and in a variety of industries. The inverter is typically used as a motor drive to provide variable voltage and variable frequency to a propulsion motor or other loads requiring variable fr... | 05/22/2007 |
| 7196435 | Solid state relay and method of operating the same A solid state relay coupleable to first and second phase busses of an AC power source for switching power from the first and second phase busses to a load comprises: first and second power semiconductor switches connected in a series circuit configuration and couple... | 03/27/2007 |
| 7196436 | Solid state relay for switching AC power to a reactive load and method of operating the same A solid state relay coupleable to first and second phase busses of an AC power source for switching power from the first and second phase busses to a load including a reactive component comprises: first and second power semiconductor switches connected in a series c... | 03/27/2007 |
| 7193458 | Power supply for guitar amplifier A power supply for a guitar amplifier and the guitar amplifier and method of operating the guitar amplifier. The power supply includes an alternating current power input having a secondary winding and a filament winding, an output and a first vacuum tube rectifier c... | 03/20/2007 |
| 7187563 | DC/DC converter with multiple mutually-isolated power sources An electronic circuit includes a first power source, a second power source, a load, and a converter connected to each power source and the load. The converter has (i) a first oscillator circuit connected to the first power source, (ii) a second oscillator circuit co... | 03/06/2007 |
| 7170760 | Switching power supply with clamping circuit A switching power supply with clamping circuit includes a clamping circuit between a slave output terminal and a master output terminal thereof, to prevent voltage drift at the slave output terminal. The clamping circuit includes a switching circuit connected betwee... | 01/30/2007 |
| 7164242 | Variable speed drive for multiple loads A variable speed drive is provided having a converter to convert an AC voltage to a DC voltage, a DC link to filter and store energy from the converter, and a plurality of inverters, wherein each inverter is configured to convert a DC voltage to an AC voltage to pow... | 01/16/2007 |
| 7154248 | Control system for an electric machine There is provided an adjustable integral component in a feedback loop of a closed loop control system. The closed loop control system controls an output signal of an electric generator. The adjustable integral component provides an integral signal. The integral sign... | 12/26/2006 |
| 7102321 | Control method for peak power delivery with limited DC-bus voltage A method for driving a neutral point-clamped multi-level voltage source inverter supplying a synchronous motor is provided. A DC current is received at a neutral point-clamped multi-level voltage source inverter. The inverter has first, second, and third output node... | 09/05/2006 |
| 7095158 | A/D converter with adjustable internal connection and method for the sameoperating An A/D converter with adjustable internal connection and a method for operating the same are provided. The A/D converter comprises: a plurality of piezo-transforming devices for detecting an input voltage from the alternating current source and adjusting an connecti... | 08/22/2006 |
| 7092268 | Isolating power supply An isolating power supply for electrical equipment comprises a transformer having an input for a mains alternating current (AC) power supply, a rectifier by which the output of the transformer can be rectified, and a primary energy storage device for electrically sm... | 08/15/2006 |
| 7088073 | Inverter drive system Systems and methods are provided for dynamically changing configurations of multi-inverter drive systems. By changing configurations during operation, a multi-inverter system of the present invention can provide greater than half of full output power during failure ... | 08/08/2006 |
| 7088061 | Drive system for a group of machines A drive system powering a group of machines each fitted with a rectifying unit, wherein the inputs of the control devices of the machines' drive motors are interconnected by an electrical bus which implements a power exchange. The system enables swapping current fro... | 08/08/2006 |
| 7068524 | Generator An abnormality of a generator provided with a plurality of power supply units is easily detected. Each of the power supply units includes each of output windings L1 to L4, which are wound independently of each other around the single iron core, and eac... | 06/27/2006 |
| 7061356 | Controllable transformer A controllable transformer device comprising a body of a magnetic material, a primary winding wound round the body about a first axis, a secondary winding wound round the body about a second axis at right angles to the first axis, and a control winding wound round t... | 06/13/2006 |
| 7050203 | Composite apparatus and method for controlling entering of the sleep state The present invention relates to a composite apparatus and a method of controlling the composite apparatus. When a system controller places one processing section of a scanner section, a printer engine, a facsimile device, and a printer controller in a sleep state, ... | 05/23/2006 |
| 7026794 | Dynamically controlled switching alternator system A system and method to dynamically control a switching alternator is disclosed. A switching alternator system is disclosed that includes a plurality of windings configured to deliver an AC power and a plurality of switches configured to switch an electrical configur... | 04/11/2006 |
| 7023187 | Integrated circuit for generating a plurality of direct current (DC) output voltages A cascaded DC-DC converter architecture has an upstream converter stage and a downstream converter stage, which derives its input voltage from the upstream stage. Cascading the two converter stages enables functionality of control and monitoring (including soft star... | 04/04/2006 |
| 7019993 | Piezoelectric transformer and modular connections for high power and high voltage power supplies A modular design for combining piezoelectric transformers is provided for high voltage and high power conversion applications. The input portions of individual piezoelectric transformers are driven for a single power supply. This created the vibration and the conver... | 03/28/2006 |
| 7009853 | Switched-mode power supply arrangement Exemplary embodiments of the invention relate to a switched-mode power supply arrangement containing two or more switched-mode power supply transformers (T1 to TN), the primary windings (P1 to PN) of the switched-mode power supply transformers (T1 | 03/07/2006 |
| 7009859 | Dual input DC-DC power converter integrating high/low voltage sources A dual input DC—DC power converter integrating high/low voltages can simultaneously or individually transfer the power from two input power sources respectively having voltages higher than and lower than an output voltage to a load end. If one power source is fail... | 03/07/2006 |
| 6950322 | Regulated AC to DC converter for aerospace applications In high-efficiency power source applications, AC power is converted to DC power, which is isolated from the source and regulated. A level of performance is achieved that exceeds the power quality requirements of MIL-STD-704 over the extended frequency range, typical... | 09/27/2005 |
| 6946820 | Multiple output DC-DC converter for providing controlled voltages In order to supply controlled DC voltages to a plurality of loads at high efficiency by using smaller number of components, a multiple output DC-DC converter in accordance with the present invention comprises a first main switch 21, one terminal of which is c... | 09/20/2005 |
| 6914422 | Current monitoring/control circuit A current control that employs a magnetic amplifier and an active feedback circuit. The feedback circuit establishes the effective operating current of the amplifier at a fixed point. The magnetic amplifier includes a pair of oppositely wound gate windings, a bias w... | 07/05/2005 |
