Bizarre Patents
Method and apparatus for making a drink hop along a bar or counter
A method for generating a drink which appears to hop from a remote spot on the bar or counter and take one or more leaps, before landing in a patron's glass.
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| Number | Title | Issue Date |
| 8026689 | Control device for machine tool A control device for a machine tool including a feed axis driving motor; a first power consumption calculating portion calculating power consumption of the feed axis driving motor; a second power consumption calculating portion calculating power consumption of equip... | 09/27/2011 |
| 7423403 | Motor control system A motor control system which can realize current detection with high accuracy by using an amplifier having an ordinary level of accuracy and can avoid deterioration of current detection accuracy even when emperature is changed. The motor control system comprises a s... | 09/09/2008 |
| 7282886 | Method and system for controlling permanent magnet motor drive systems Methods and system are provided for controlling permanent magnet motor drive systems. The method comprises the steps of adjusting a first current command in response to a first voltage error to produce a first adjusted current, adjusting a second current command in ... | 10/16/2007 |
| 7245103 | Motor speed and position control A method of controlling the speed and position of a motor includes receiving a pulse train indicative of the speed of the motor, and a periodic signal at a frequency greater than the pulse train. The number of cycles of the periodic signal per cycle of the pulse tra... | 07/17/2007 |
| 7235937 | Traction motor control system For controlling a traction motor of a vehicle, a current command value is determined based on a torque command and a load value representative of running load of the vehicle. A voltage command value is calculated in such a manner that a difference between the curren... | 06/26/2007 |
| 7233125 | System and method for controlling an induction motor A system controls an induction motor driven by a power inverter circuit. An operational amplifier circuit is operatively connected to the power inverter circuit and operative therewith for sensing DC current and controlling acceleration and deceleration of the induc... | 06/19/2007 |
| 7113104 | Giant magnetoresistance based gyroscope A gyroscope (10) for determining rate of rotation includes a giant magnetoresistor (GMR) (14) attached to a mass (12) oscillating along a first axis. When the gyroscope (10) is rotated, the mass (12) also oscillates along a second ... | 09/26/2006 |
| 7109680 | Inverter device An object is to provide an inverter device capable of realizing exact protection of the winding of a motor. An inverter device for generating a pseudo alternating current by switching a direct current to drive a motor, comprises a controller that executes vector con... | 09/19/2006 |
| 7106022 | Velocity controlled disk drive head retraction with offset removal A control apparatus controls retraction of a device carried on a moveable member actuated by an electric motor. The control apparatus includes a measuring circuit with an output during a measuring phase including a back electromotive force (back EMF) from the electr... | 09/12/2006 |
| 7106012 | Electronic control unit, electric power-assisted steering device and transmission ratio-variable steering unit An electronic control unit for producing a sufficiently boosted voltage even when a supply voltage becomes high includes an inverter that drives switching elements and converts a DC voltage into an AC voltage, and booster means which boosts a DC voltage that is inpu... | 09/12/2006 |
| 7102305 | Apparatus and method for controlling motor A motor control apparatus includes a direct-current power source and an inverter circuit, which includes a switching element. The motor control apparatus receives a current command value in every control cycle and calculates a current deviation accumulated value by ... | 09/05/2006 |
| 7102247 | Circuit arrangement and methods for use in a wind energy installation The invention relates to a circuit with a variable rotational speed to be used particularly in a wind power plant, comprising a double fed asynchronous generator (DASM), a crow-bar, an additional resistor (R15) and a converter. In order to meet the requiremen... | 09/05/2006 |
| 7081731 | Translatory actuator unit A translatory actuator unit including a translatory actuator module that moves an object straightly, a force sensor that detects a load applied to the translatory actuator module, and a servo control module that controls a speed, a position and/or output power of th... | 07/25/2006 |
| 7062160 | Monitoring current in a motor during acceleration to verify motor frequency lock Method and apparatus for accelerating a motor from an intermediate velocity to a final operational velocity. The motor is accelerated from rest to the intermediate velocity through application of fixed duration drive pulses to the spindle motor. Once the motor reach... | 06/13/2006 |
| 7042179 | Electric power steering apparatus An electric power steering apparatus using a brushless motor is disclosed. The electric power steering apparatus has a microcomputer for calculating a target current to the brushless motor on the basis of a torque signal outputted from a steering torque detecting pa... | 05/09/2006 |
| 7015670 | Method of controlling a high-friction electro-mechanical servo-mechanism to minimize the power needed to hold a loaded output member The invention provides a method for controlling an electromechanical servomechanism (20) for moving an output member relative to a variable load (38). The servomechanism includes: a motor (37) having at least one coil (32A, 32B or ... | 03/21/2006 |
| 7011326 | Piezoresistive torque sensor An automotive steering system with a torque sensor is disclosed. The steering system comprises a shaft linked to a set of road wheels; a sensor connected to the shaft for sensing torque applied to the shaft and operative to provide as output a signal indicative of s... | 03/14/2006 |
| 6997684 | Fan motor with digital controller for applying substantially constant driving current The invention relates to a fan arrangement comprising a radial or diagonal fan (370) with which a direct current motor (32) is associated as drive motor, further comprising a digital control element (23, 24) such as a microcontroller or micropro... | 02/14/2006 |
| 6943514 | Motor control circuit for supplying a controllable driving current For applying a driving current to a motor, an H-bridge circuit is constructed by a first and a second switching unit and a first and a second linear unit. An error amplifier generates an error signal representative of a difference between the driving current detecte... | 09/13/2005 |
| 6940277 | Giant magnetoresistance based nanopositioner encoder An encoder (10) for a nanopostioner (24) includes a strip of magnetic bits (18) for producing discrete magnetic fields and a giant magnetoresistor (GMR) (14) which changes in electrical resistance in response to changes in the magnetic fi... | 09/06/2005 |
| 6933699 | Motor drive circuit and method with frequency setting and correcting functions A motor drive circuit and method with frequency setting and correcting functions. The drive circuit includes a speed control device, which simultaneously receives a sense signal and a rotation frequency signal. A pulse width modulation signal capable of modulating a... | 08/23/2005 |
| 6927551 | Motor control apparatus and motor control method A 3-phase AC current flowing to a 3-phase synchronous motor is converted through coordinate conversion to a d-axis current id and a q-axis current iq in a dq-axis coordinate system which rotates in synchronization with the motor rotation and a phase δ of a rectangu... | 08/09/2005 |
| 6847179 | Actuator position control with signal sensing An actuator position control system for brush-type DC motors. The system includes a sensor, amplifier or differentiator, central control unit (microprocessor), and motor driver. The system utilizes the differential signal di/dt to indicate the falling edges of commu... | 01/25/2005 |
| 6763804 | Electronic throttle servo overheat protection system A method for controlling a positioning device (34) of an internal combustion engine includes the step of providing an electric motor (30) for actuating a positioning device (34). A user employs an actuator (21) to command the throttle pla... | 07/20/2004 |
| 6614195 | Linear actuator control structure A control system for a linear actuator having an electric motor drawing a variable current level during operation. The control system includes a current level sensor for determining an operational current level of the linear actuator and a controller for ... | 09/02/2003 |
| 6611119 | Switching processes for control of servos Methods and systems for controlling a servo are provided. One method includes calculating at least a first switching time to change an amplitude of a command signal to a servo, providing a first amplitude to the servo for the first switching time, and swi... | 08/26/2003 |
| 6605920 | Method and apparatus for large motor control Apparatus and method for providing digital signal processing method for controlling the speed and phase of a motor involves inputting a reference signal having a frequency and relative phase indicative of a time based signal; modifying the reference signa... | 08/12/2003 |
| 6452356 | Chopping energization control device for electric motor In a chopping energization control device, a pair of switching elements IGBT/U and IGBT/L are used to control an electric power supplied from a DC power source to a phase coil CL1 of a DC motor, particularly an SR motor, such that one of the switching ele... | 09/17/2002 |
| 6448732 | Dual mode portable suction cleaner A vacuum cleaner operates via power supplied from either an on-board battery or an AC power outlet. When the vacuum cleaner is operating by using the battery a controller monitors the voltage level in the battery and automatically shuts down the vacuum cl... | 09/10/2002 |
| 6300736 | Low pin count DC-motor integrated drive circuit A DC motor drive circuit includes a switching circuit that drives the coils of a small permanent magnetic DC motor. The drive circuit is preferably implemented in an integrated circuit device, such as a silicon CMOS device. Integrated into the same integr... | 10/09/2001 |
| 6291962 | Offset control circuit and offset control method When a playback signal of recorded data which is a DC free code has non-linearity, the playback signal is equalized by a waveform equalization unit, and sampled by an analog-to-digital converter. The sample data is binarized, and an offset amount is detec... | 09/18/2001 |
| 6211636 | Pressing machine and motor torque control method in pressing machine A torque command Tc is restricted to a torque limit value Tm' by torque limiting means and delivered to current restricting means for a motor. The torque limit value Tm' is derived by adding a torque limit correction value ƊTm as calculated by torque lim... | 04/03/2001 |
| 6111383 | Controller for feeding chopped electricity A rising saw tooth signal generating circuit generates a rising saw tooth signal having a constant amplitude and a constant period which corresponds to a frequency being slightly higher than the human audible frequency range. The rising saw tooth signal g... | 08/29/2000 |
| 6013990 | Monitoring power supply voltage to hard disk drive A hard disk drive for supplying a power supply voltage by monitoring a power supply voltage and method of controlling the same. The hard disk drive includes a power supply monitor circuit for monitoring an initially supplied power supply voltage, and a co... | 01/11/2000 |
| 5736826 | Dual hysteresis control circuit A control circuit, in particular for a direct current control in positioning systems, comprising a differential circuit (1), a control logic (2) and a full bridge (3) connected between a supply voltage VS and a reference potential GND. The diff... | 04/07/1998 |
| 5729067 | Method and apparatus for closed loop position control in a linear motor system An improved method and servo control apparatus (C) is provided for controlling the motion of a linear electric motor (A) which in turn generates motion command signals to various apparatus such as a hydraulic steering system (B). Preferably, the servo con... | 03/17/1998 |
| 5654840 | Hard disk drive which uses the back EMF of the actuator to detect shocks A disk drive for operating in an environment in which the drive is subject to physical shock includes a circuit which senses movement of a transducer head support arm which result from a shock's rotational component. The rotational shock is detected as a ... | 08/05/1997 |
| 5650705 | Apparatus and method for controlling currents in an inductor A motor control system (10) for controlling a multiple number of motors, each motor having a multiple number of phases. System (10) can be used to dynamically vary the step sizes from microsteps to full steps (i.e. "syncro-stepping the motor"). System (10... | 07/22/1997 |
| 5627421 | High efficiency drive circuit for an active magnetic bearing system A plurality of electromagnetics in an array surround a shaft, with current controlled in the coils of the electromagnets to support the shaft at a desired position approximately centered between the electromagnets. Shaft position sensors provide feedback ... | 05/06/1997 |
| 5559416 | Direct current motor control circuit in positioning systems A control circuit, in particular for a direct current control in positioning systems, comprising a differential circuit (1), a control logic (2) and a full bridge (3) connected between a supply voltage VS and a reference potential GND. The diff... | 09/24/1996 |
