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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 |
| 7358627 | 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... | 04/15/2008 |
| 7352545 | Compressor terminal fault interruption method and apparatus A compressor terminal fault interruption method and interrupter for disconnecting power to a compressor terminal when terminal venting failure is imminent including a current sensing circuit for sensing current provided to the terminal by a power source and outputti... | 04/01/2008 |
| 7348183 | Self-contained microelectrochemical bioassay platforms and methods Methods and devices for improved chemical and biomass detection assays combined well defined microstructures having independently addressable electrodes with various surface immobilization electrochemical assays. Combining known chemical detection immobilization ass... | 03/25/2008 |
| 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 |
| 7330011 | Motor driving apparatus A motor driving apparatus includes an inverter circuit for converting an output of a rectifier circuit connected to a single-phase AC power supply into a driving voltage, and outputting the driving voltage to a brushless motor, and an inverter control unit for contr... | 02/12/2008 |
| 7245105 | Single-phase induction motor and method for reducing noise in the same A single-phase induction motor and a method for reducing noise in the same, which can eliminate unbalance between magnetomotive forces of main and auxiliary windings in a stator of the motor, thereby implementing a low noise, low vibration motor, and can also achiev... | 07/17/2007 |
| 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 |
| 7224133 | Control apparatus, dual chip inverter and single chip inverter of AC motors A control apparatus and a semiconductor apparatus of AC motors capable of reducing torque ripple with a comparatively simple circuit corresponding to a high withstand voltage and capable of driving a motor at high efficiency even when the rotational speed or load ha... | 05/29/2007 |
| 7224557 | Method and system of controlling asynchronous contactors for a multi-phase electric load Control of an induction motor is carried out to limit damaging arcing stress and mechanical stresses placed on the control contactor assembly and the induction motor resulting from the simultaneous or synchronous breaking and making of contactors employed to connect... | 05/29/2007 |
| 7221858 | Pulse-width modulation motor speed control circuit A PWM motor speed control circuit (10) includes a PWM signal generator (20), a driver integrated circuit (IC) (101) and a photocoupler (30) coupled between the PWM signal generator and the driver IC. The photocoupler receives an original ... | 05/22/2007 |
| 7208908 | Apparatus and method to control torque and voltage of an AC machine A method of controlling a power converter (258) of a synchronous machine drive system (100) determines position and speed of a rotor (350) of the synchronous machine (300); regulates a current vector relative to a reference frame, having ... | 04/24/2007 |
| 7196490 | Variable speed motor A variable speed motor includes first and second main windings wound on a stator, and a relay for performing a switching operation between serial/parallel connections of the first and second main windings to control motor speed. The variable speed motor further incl... | 03/27/2007 |
| 7190601 | Pulse-width modulation method for a frequency converter A space-vector pulse-width modulation method for a frequency converter provided with a voltage intermediate circuit, said frequency converter comprising a mains bridge (10) to be connected to an alternating current source (UU, UV, U... | 03/13/2007 |
| 7169272 | Microfabricated recessed disk microelectrodes: characterization in static and convective solutions Construction and characterization of microfabricated recessed disk microelectrodes (RDMs) of 14 and 55 μm diameter are reported. The work reported here makes several new contributions to the current literature on microfabricated RDMs. Hybrid blamers were constructe... | 01/30/2007 |
| 7144486 | Multilayer microcavity devices and methods Microcavities and micropores that are microscopic ( | 12/05/2006 |
| 7138778 | Current sensor using mirror MOSFET and PWM inverter incorporating the same A current sensor has a power MOSFET Q1, connected between an electric load and a power supply, for controlling current that flows through said electric load, a mirror MOSFET Q2, connected in parallel to said power MOSFET Q1, in which a portion o... | 11/21/2006 |
| 7112935 | Current sensor using mirror MOSFET and PWM inverter incorporating the same A current sensor has a power MOSFET Q1, connected between an electric load and a power supply, for controlling current that flows through said electric load, a mirror MOSFET Q2, connected in parallel to said power MOSFET Q1, in which a portion o... | 09/26/2006 |
| 7095208 | Inverter controller for driving motor and air conditioner using inverter controller A reactor having a predetermined small capacity is connected to a rectifier, and a capacitor having a predetermined small capacity is connected between DC bus lines of the inverter, so that a small, light and low-cost inverter controller for driving a motor can be i... | 08/22/2006 |
| 7091691 | Variable speed motor An outer-rotor variable-speed motor, to which single-phase AC power is applied and on which a rotor is provided outside a stator, comprises first and second main windings provided on a stator of the motor to form a plurality of poles, a frequency detector for detect... | 08/15/2006 |
| 7088065 | Drive unit and vehicle equipped therewith A drive unit of the invention comprises a motor that can input/output motive power to/from a drive shaft, a drive circuit that performs drive control of the motor, a fuel cell that is connected to the drive circuit without the intervention of a voltage converter suc... | 08/08/2006 |
| 7075268 | System and method for increasing output horsepower and efficiency in a motor A system and method are provided to increase the horsepower of an induction motor. One technique for increasing the horsepower of a motor is to connect the motor to a variable speed drive that is providing an output voltage and frequency greater than the standard li... | 07/11/2006 |
| 7067994 | Electronic ballast with overvoltage monitoring An electronic ballast for at least one gas discharge lamp (LA), preferably for a fluorescent tube, having a rectifier circuit (2) connectable to a supply voltage source, a smoothing circuit (3) connected to the output of the rectifier circuit (2... | 06/27/2006 |
| 7038416 | Control system for a floor maintenance appliance A control system for controlling the work output delivered to a floor surface by a work tool associated with a floor maintenance machine, such as a burnisher, is provided. In one embodiment, a voltage regulator regulates the voltage provided to the motor assembly th... | 05/02/2006 |
| 7023167 | Control arrangement for an induction motor compressor having at least three windings, a torque-augmentation circuit a starting capacitor and a resistive element Apparatus for driving a three-phase compressor assembly from a single-phase electrical power supply having first and second power lines, said three-phase compressor assembly comprising a compressor having a rotatable shaft, an electrical motor having a rotatable sha... | 04/04/2006 |
| 7005762 | 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... | 02/28/2006 |
| 6979979 | Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element A rotating electrical machine, such as an aircraft starter-generator, that includes an exciter that has its stator windings supplied with electrical power from a power supply. One or more switches are electrically coupled between the exciter stator winding and the p... | 12/27/2005 |
| 6975490 | Apparatus and method for detecting phase state In an apparatus and a method for detecting a phase state capable of improving reliability of an air conditioner by preventing an abnormal operation of the air conditioner by detecting a phase state (antiphase and open-phase) of three phase AC power supplied to the a... | 12/13/2005 |
| 6972541 | Inverter control device for driving a motor and an air conditioner An inverter control device for driving a motor with small size, light weight and low cost is provided. The inverter control device generates PN voltage correction coefficient by dividing the reference DC voltage by the detected DC voltage, and corrects the voltage c... | 12/06/2005 |
| 6969959 | 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... | 11/29/2005 |
| 6958589 | Inverter controller for driving motor and air conditioner using inverter controller A reactor having a predetermined small capacity is connected to a rectifier, and a capacitor having a predetermined small capacity is connected between DC bus lines of the inverter. A PN voltage corrector calculates a ratio of the DC voltage detection value of the i... | 10/25/2005 |
| 6924618 | Inverter controller for driving motor, and air conditioner An inverter controller for driving a motor includes a rectifier having a reactor, an inverter, a capacitor, a generator which generates a voltage command value for each phase of the motor, a detector which detects a DC voltage between the DC buses of the inverter, a... | 08/02/2005 |
| 6909263 | Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element A rotating electrical machine, such as an aircraft starter-generator, that includes an exciter that has its stator windings supplied with electrical power from a power supply. One or more switches are electrically coupled between the exciter stator winding and the p... | 06/21/2005 |
| 6690587 | Apparatus and method of suppressing low speed ripple current of a single-phase inverter An apparatus and method to suppress a low speed ripple current to a motor include a power supply unit to supply single-phase alternating current (AC) power. A rectifying and smoothing unit rectifies and smoothes the single-phase AC power and outputs a dir... | 02/10/2004 |
| 6636013 | Method of rapidly starting an asynchronous motor In order to accelerate an asynchronous motor with a squirrel-cage rotor even under load extremely quickly, and in particular within the time of an electromagnetic rotor time constant, in order to be able to cause it to start with a so-called kick start, w... | 10/21/2003 |
| 6560130 | Control circuit for multiphase inverter apparatus In a control circuit for a power converting apparatus, such as a three-phase inverter, unnecessary switching operations of switching elements are avoided. The control circuit includes current sensors for detecting inverter currents; a three-phase current ... | 05/06/2003 |
| 6472844 | Single-phased powered drive system A drive system including a rectifier, a high-frequency filter, a static inverter and an induction motor is driven without energy stores and fed by the single-phase mains, in which the use of an envelope generator with a mains-synchronous, preferably sinus... | 10/29/2002 |
| 6362592 | Method and device for driving brushless motors either with independently coupled windings or with star or polygon pre-connected windings using the same I.C. A method is provided for driving a brushless motor of a type including windings pre-connected in a star or polygon configuration with an integrated driving system designed for independently driving the phase windings. The integrated driving system include... | 03/26/2002 |
| 6359405 | Failure detection system for a propulsion system In a propulsion system for hybrid vehicles, etc., a failure detection system that detects the occurrence of failure that obstructs a phase current supplied to an electric motor for propulsion. The direct current of the battery is converted to three-phase ... | 03/19/2002 |
| 6356041 | Master three-phase induction motor with satellite three-phase motors driven by a single-phase supply A motor system utilizes a master three-phase induction motor driven by a single-phase power supply which the motor has six-windings connected in a symmetrical double DELTA or double WYE configuration with appropriate running capacitors to provide when the... | 03/12/2002 |
| 6275405 | Motor drive circuit A phase converter for converting single-phase power to three-phase power, wherein the single-phase power is provided at a first and a second single-phase power terminal and the three-phase power is provided to a first, a second and a third three-phase pow... | 08/14/2001 |
