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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 8089226 | Torque control device and method for controlling the same A torque control device controlling torque of first and second mechanical units connected coaxially to each other through connecting members includes a controller generating first and second references from a command from a host system, first and second motors respe... | 01/03/2012 |
| 8054011 | Variable frequency transformer having multiple horizontal rotary transformers with common controls and voltage infrastructure and method A variable frequency transformer including: a first parallel circuit including at least two of the rotary transformers arranged in parallel and having an isolating circuit breaker connected to a rotor winding of each of the rotary transformers, and a separate synchr... | 11/08/2011 |
| 7847496 | Dynamic tape drive calibration Dynamic calibration of a secondary velocity signal is provided in a tape drive. In one example, a reel motor is operated to drive a reel carrying a tape in a tape drive. The motion of the tape is measured to provide a measured primary velocity signal of the tape, an... | 12/07/2010 |
| 7781991 | Heat dissipation system and method A heat dissipation system used in an electronic device includes a plurality of fans positioned in the electronic device, a sensing module, and a processing module. The sensing module is configured for detecting temperature, relative humidity, and air pressure of air... | 08/24/2010 |
| 7432674 | Control system A transmission path delay is set in a shift setting register. A slave unit generates a PRE_ITP signal in response to a timing signal (ITP signal) issued by a master unit. The phase difference between this PRE_ITP signal and the ITP signal unique to the slave unit is... | 10/07/2008 |
| 7417386 | Electronic line shaft A method and assembly for synchronizing machine operations, the assembly comprising a reference generator for generating a speed reference signal and a position reference signal, a plurality of slave units, each slave unit including, a mechanical device, a separate ... | 08/26/2008 |
| 7402965 | DC common bus self-protection method and system A system and method in accordance with the present technique for protecting motor drives from damage due to misconfiguration while coupled to a common DC bus, comprises sensing electrical operating parameters of the motor drives, automatically determining whether ea... | 07/22/2008 |
| 7391173 | Mechanically decoupled capstan drive A capstan drive includes a first capstan that moves a device on a carriage and a second capstan that receives a second rotary motion to move the carriage. A first power transmission has a driven shaft coupled to the first capstan, a first drive shaft coaxial with th... | 06/24/2008 |
| 7270028 | Adjustable pedal assembly with step-over control An adjustable pedal assembly for controlling step-over between pedal levers (16, 24) is provided. A first pedal lever (16) is supported for rotation about an operational axis. A first adjustment mechanism (20) adjusts the first pedal lever (1... | 09/18/2007 |
| 7270021 | Apparatus and method for mounting and moving a working apparatus on a structure for the performance of works on the structure A working apparatus has: a working equipment for doing works on a structure; an operation mechanism adapted to actively move the working equipment relative to the structure; and an adhering/traveling module coupled to the operation mechanism and adapted to adhere to... | 09/18/2007 |
| 7271561 | Fan module and control device thereof Fan module and control device thereof. The fan module comprises a plurality of fans and the control device. The control device comprises a temperature sensing circuit, and a driving circuit. The temperature sensing circuit detects an ambient temperature of the fans ... | 09/18/2007 |
| 7256565 | Wiper system using two wipers A wiper system using two wipers and two wiper motors, which drive the wipers and of which at least one first wiper motor forms a sub-assembly with an electronic control unit. The second wiper motor is a rotary motor having only one sensory system for detecting the a... | 08/14/2007 |
| 7239096 | Vehicle seat having an electronic control system An electronic control system (24) for a vehicle seat is provided that includes a seat base (12), a seat back (14), an operator input device (30) and a control circuit (26). The seat base has a seat back motor (34) configured... | 07/03/2007 |
| 7215089 | Threading/tapping control apparatus A workpiece is rotated by a master motor and a tool is linearly moved by a slave motor to cut a thread in the workpiece. Position feedback of the master motor is multiplied by a coefficient K and the result used as the position command of the slave motor. Provision ... | 05/08/2007 |
| 7208893 | Motor driving control device to be driven at interval of constant time A motor driving control device includes a motor, a switch unit that controls driving of the motor, a current detection resistor that outputs a detection voltage indicating a current of the motor, a comparator that compares the detection voltage with a target current... | 04/24/2007 |
| 7205730 | Article transport vehicle The invention provides an article transport vehicle that includes: a vehicle body; a first wheel that supports the vehicle body; a second wheel that is disposed spaced apart from the first wheel in a fore-and-aft direction, and that supports the vehicle body; a firs... | 04/17/2007 |
| 7202616 | Synchronous control method and device of the same A synchronous control device which is provided with drive motors and a central control unit generating a synchronous reference signal and with which the drive motor is controlled to rotate synchronously with the synchronous reference signal supplied from the central... | 04/10/2007 |
| 7187142 | Motor drive with velocity noise filter A drive unit for controlling a motor includes a position feedback device and a velocity noise filter. The position feedback device is operable to generate a position signal relating to a position of the motor. The velocity noise filter is coupled to the position fee... | 03/06/2007 |
| 7183935 | Method and apparatus for determining motor velocity using edge mode hysteresis with a finite impulse response average filter A method for determining motor velocity includes generating an edge signal including a plurality of edges. The edge signal indicates rotational travel of a motor. Edge counts in the edge signal occurring during periodic sample intervals are determined. The edge coun... | 02/27/2007 |
| 7175175 | Driving apparatus, sheet processing apparatus having driving apparatus, image forming apparatus having sheet processing apparatus and control system A driving apparatus includes a plurality of driving devices; a plurality of malfunction detectors for detecting a malfunction of the driving devices; a plurality of electric current setting devices for setting electric currents through the driving device; and a cont... | 02/13/2007 |
| 7170240 | Vehicle seat having an electronic control system An electronic control system (24) for a vehicle seat is provided that includes a seat base (12), a seat back (14), an operator input device (30) and a control circuit (26). The seat base has a seat back motor (34) configured... | 01/30/2007 |
| 7156391 | Driving apparatus, sheet processing apparatus having driving apparatus, image forming apparatus having sheet processing apparatus and control system A driving apparatus includes a plurality of driving devices, a plurality of detectors for detecting a malfunction of the driving devices, and a controller, which is responsive to a detection result of the detectors, for decreasing a driving speed of a driving device... | 01/02/2007 |
| 7155307 | Surface adhering tool carrying robot A surface clinging robotic device. The device includes a supporting structure or base, on which is mounted (a) a lead pivoting support surface, such as a pivoting wheel, and (b) two or more traction drives, such as drive wheels. Each of the traction drives are indep... | 12/26/2006 |
| 7148635 | Motor drive with synchronized timing A motor control system for controlling a motor includes control logic and a motor controller. The control logic is operable to generate a control signal at a first periodic time responsive to a synchronization signal. The motor controller is operable to generate a d... | 12/12/2006 |
| 7138772 | Electrically movable vehicle and control program for driving electrically movable vehicle The invention provides an electrically movable vehicle drivable by a simplified mode of control and a control program for driving the vehicle. A normalized value Y′ representing translation motion and a normalized value X′ representing turning motion are fed fro... | 11/21/2006 |
| 7109670 | Motor drive with velocity-second compensation An apparatus for use with a signal generator and a motor controller includes a velocity compensator, an adjustor, and a velocity regulator. The signal generator provides a reference velocity signal, and the motor controller receives an output signal and uses the out... | 09/19/2006 |
| 7109677 | Motorized barrier operator system for controlling a barrier after an obstruction detection and related methods A method for controlling a motorized barrier operator after detecting an obstruction includes the steps of providing a motorized barrier operator that moves a barrier between limit positions and providing at least one control switch that upon actuation moves the bar... | 09/19/2006 |
| 7106019 | Digital communication link A serial interface circuit electrically connected to a controller to control an electric motor. The interface circuit includes a controller circuit and a motor circuit. The controller circuit includes a transmitter and a receiver circuit, and the motor circuit inclu... | 09/12/2006 |
| 7091678 | Device and method for controlling prime mover When an angular acceleration α of a rotating shaft of a motor connected with a drive shaft exceeds a preset threshold value αslip, which suggests the occurrence of a skid, the torque control procedure sets a maximum torque Tmax by referring to a map, which gives a... | 08/15/2006 |
| 7039474 | Packaging system and method therefor A system for monitoring the condition of a packaging machine during operation and diagnosing potential problems in the performance of the machine. The system comprises an input device, an output device and a processing unit that supports a user interface presented b... | 05/02/2006 |
| 6972532 | Controlled motor coast in media handling system By controlling all motors so that they all decelerate at substantially the same rate, buckling of media in a media handling system is substantially eliminated on shutdown. Preferably, the deceleration rate of the highest inertia motor is used as the common decelerat... | 12/06/2005 |
| 6907799 | Apparatus and method for non-destructive inspection of large structures An automated inspection system and method enables rapid, remote and non-contact inspection of large objects, utilizing non-destructive inspection techniques, that does not require continuous manual repositioning of the inspection equipment. The inspection system inc... | 06/21/2005 |
| 6867559 | Wiper arrangement for motor vehicles, especially for car windscreens In a wiper system for vehicles, in particular for automobile windshields, including a first wiper arm, a primary drive motor (12) associated with the wiper arm for generating a defined wiping motion of the first wiper arm, at least one second wiper arm, and a... | 03/15/2005 |
| 6812656 | Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors A control system for individually controlling power from a single voltage source to a plurality of motors is described. A chopper circuit, in conjunction with the control system, generates drive-pulses, which operates the IGBT switching devices to sequentially provi... | 11/02/2004 |
| 6600278 | Clean power common buss variable frequency drive system A N pulse variable frequency drive for driving two or more motors that is the combination of two or more variable frequency drives with each drive driving an associated one of the two or motors. One application is a decanter centrifuge which has a main mo... | 07/29/2003 |
| 6426600 | Proportional actuator control of apparatus Apparatus, such as a wheelchair (10) is proportionally controlled by output signals produced by an X-Y input device (26, 58, 90, 100, 110, 360, or 370), which may be attached to head (90), a hand (112) or some other body component, and which may be actuat... | 07/30/2002 |
| 6404150 | Accessory motor drive power supply system for an electric vehicle An electric vehicle accessory motor drive power supply system (40) that utilizes a single power supply design to provide efficient variable speed motor control to both brushless and brush-type DC motors (42,44). The power supply system includes at least o... | 06/11/2002 |
| 6208096 | Optimized winding drive In a tape transport for recording and/or reproducing signals by means of a recording medium using separate winding motors for driving the winding plates, the drive of the winding motors servo units is constructed as open-loop control devices and/or closed... | 03/27/2001 |
| 6201361 | High-speed postage meter base A mail piece handler defines a paper path having a downstream direction. A first motor is mechanically coupled with the mail piece handler, and an encoder is operatively coupled with the mail piece handler. A mail piece sensor is positioned at the paper p... | 03/13/2001 |
| 5896016 | Process for optimizing efficiency in ships with bow and stern screws and arrangement for adjusting the rotation speed of the bow screw Ferries in particular may have identical drives at the bow and stern in order to avoid turning the ship when the direction of travel changes. Normally, when travelling, the rotation speed of the front screw is selected to be lower than the rotation speed ... | 04/20/1999 |
