Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Application No. | Application Title | Issue Date |
| 20120223668 | Control Method and System with Feedback Indicative of Load Flux Systems, methods, and devices are disclosed, including an induction-motor controller having a phase path; a solid-state switch interposed on the phase path; and a controller coupled to the solid-state switch. In certain embodiments, the controller is configured to switc... | 09/06/2012 |
| 20120212172 | MODULAR LINE-TO-GROUND FAULT IDENTIFICATION The present invention relates generally to systems and methods for detecting ground faults (i.e., line-to-ground faults) in electrical power conversion systems. In particular, the embodiments described herein include a common mode voltage booster module configured to ca... | 08/23/2012 |
| 20110248663 | CONTROL SYSTEM FOR AC MOTOR A control system for an AC motor determines a slope Ktl of a tangent TL at an operating point Pa corresponding to the current motor operating state and voltage phase (θ0) on a torque characteristic curve that is plotted according to a torque equation representin... | 10/13/2011 |
| 20090001925 | Power Conversion Circuit A desired current is caused to flow through a coil by controlling switching of switching elements by a PWM controller. For a voltage sensor, a value of Vo−ΔV, which is a difference between a midpoint voltage Vo of the switching elements and a predetermined threshold ... | 01/01/2009 |
| 20080224650 | FEED MOTOR LOCK DETECTION DEVICE A feed motor lock detection device detects a back-electromotive voltage in a feed motor M and checks whether the feed motor M is in a driven state or in a non-driven state based on the level of the back-electromotive voltage.... | 09/18/2008 |
| 20080180056 | Phase current detection method, inverter control method, motor control method and apparatus for carrying out these methods Apparatus and methods for phase current detection used for driving a motor by supplying outputs from a pulse width modulation (PWM) converter to the motor. One method presented provides detecting a DC link current and a vector pattern, determining whether a voltage vect... | 07/31/2008 |
| 20080067970 | INDUCTION MOTOR CONTROLLER An induction motor controller that may include three phase paths leading from a power input to a power output, a solid-state switching device interposed between the power input and the power output on each of the three phase paths, a voltage sensor coupled to two of the... | 03/20/2008 |
| 20070290650 | Motor Control Unit And Vehicle Equipped Therewith A motor unit and a vehicle equipped with the unit according to the invention includes a control unit that selects a switching frequency, that is, a carrier frequency, in accordance with a rotation speed of the motor and a torque required from a motor. When an inverter t... | 12/20/2007 |
| 20070152624 | Motor system, control method thereof, and compressor using the same A motor system includes a BLDC (brushless direct current) motor; an inverter driving the BLDC motor; a current detector detecting a direct current of the inverter; an induced voltage detector detecting an induced voltage of the BLDC motor; and a controller controlling a... | 07/05/2007 |
| 20060181239 | Safety interlock and protection circuit for permanent magnet motor drive A circuit for protecting against controller failure wherein the controller provides control signals for controlling a DC to AC inverter fed by a DC bus and driving a permanent magnet motor, the circuit comprising a first circuit for monitoring the DC bus voltage and, in... | 08/17/2006 |
| 20060049794 | System and method for confirming a detection of low voltage and shorted SCRs A motor controller system includes solid state switches for connection between an AC line and motor terminals for controlling application of AC power to a motor. Voltage sensors sense voltage across each of the solid state switches and AC line voltage. A control circuit... | 03/09/2006 |
| 20050280391 | System for supplying operating voltage to CPU A system for supplying an operating voltage to a CPU (50) includes a power supply (10) for supplying power to a computer, a PWM controller (30), a feedback circuit (70), and a plurality of electronic elements. The PWM controller converts volt... | 12/22/2005 |
| 20050093505 | Motor driving system A motor driving system for an electric motor includes a pulse width modulating circuit which provides driving pulse signals whose pulse width is modulated to have a prescribed duty ratio, an inverter having PWM-controlled switch elements, a voltage calculating circuit w... | 05/05/2005 |
