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| Application No. | Application Title | Issue Date |
| 20120068634 | METHOD FOR OPERATING AN ELECTRIC APPLIANCE AND ELECTRIC APPLIANCE An electrical appliance with a resonant motor for driving a vibratory component is provided that has a control unit for driving the resonant motor with a predetermined driving frequency and for measuring the motion-induced voltage of the resonant motor and for determini... | 03/22/2012 |
| 20120066848 | RESONANT MOTOR UNIT AND ELECTRIC DEVICE WITH RESONANT MOTOR UNIT A resonant motor unit that has a resonant motor, a control unit, a measurement unit, and an evaluation unit is described. The control unit drives the resonant motor at a driving frequency, short-circuits the resonant motor during at least a first short-circuiting phase ... | 03/22/2012 |
| 20120032619 | ACTIVE VIBRATION CONTROL APPARATUS An active vibration control apparatus includes a linear actuator and a controller. The linear actuator includes a moving element, a stator and an elastic support. The stator has a plurality of coils surrounding the moving element. The elastic support supports the moving... | 02/09/2012 |
| 20110279067 | DRIVE CONTROL CIRCUIT FOR LINEAR VIBRATION MOTOR In a drive control circuit of a linear vibration motor, a differential amplifier circuit includes an operational amplifier in which an P-channel type transistor is used as a transistor that receives an input voltage, and the differential amplifier circuit detects an ind... | 11/17/2011 |
| 20110279069 | DRIVE CONTROL CIRCUIT FOR LINEAR VIBRATION MOTOR In a drive control circuit of a linear vibration motor, the drive signal generating unit generates a drive signal whose phase is opposite to that of the drive signal generated during the motor running, after the running of the linear vibration motor has terminated; this... | 11/17/2011 |
| 20110279068 | DRIVE CONTROL CIRCUIT FOR LINEAR VIBRATION MOTOR In a drive control circuit of a linear vibration motor, a drive signal generating unit generates a drive signal used to alternately deliver a positive current and a negative current to a coil. A driver unit generates a drive current in response to the drive signal gener... | 11/17/2011 |
| 20110181209 | DRIVE CONTROL CIRCUIT FOR LINEAR VIBRATION MOTOR A drive signal generating unit generates a drive signal used to alternately deliver a positive current and a negative current to a coil. A driver unit generates the drive current in response to the drive signal generated by the drive signal generating unit and supplies ... | 07/28/2011 |
| 20110181210 | DRIVE CONTROL CIRCUIT FOR LINEAR VIBRATION MOTOR A drive signal generating unit generates a drive signal used to alternately deliver a positive current and a negative current to a coil with a nonconducting period inserted between conducting periods. A driver unit generates a drive current in response to the drive sign... | 07/28/2011 |
| 20110181208 | DRIVE CONTROL CIRCUIT FOR LINEAR VIBRATION MOTOR A drive signal generating unit generates a drive signal used to alternately deliver a positive current and a negative current to a coil with a nonconducting period inserted between conducting periods. A driver unit generates a drive current in response to the drive sign... | 07/28/2011 |
| 20110090552 | ACTUATOR, OPTICAL SCANNER AND IMAGE-FORMING DEVICE An actuator, includes: a weight part; a supporting part supporting the weight part; a connecting part coupling the weight part rotatable to the supporting part and having an elastic part; a driving member for driving and rotating the weight part; and a semiconductor cir... | 04/21/2011 |
| 20100298058 | AUTOMATIC BABY SWING The amplitude of a swing powered by an electric motor is controlled by detecting a peak voltage induced in the motor coil by the swing motion when the motor is not being powered and comparing the detected voltage with a one of a set of pre-measured reference values of p... | 11/25/2010 |
| 20100066275 | METHOD AND APPARATUS FOR CONTROLLING MIRROR MOTION IN LIGHT SCANNING ARRANGEMENTS A method and apparatus of driving a motor in a light scanning arrangement. The method includes the following steps: (1) driving a drive coil with a drive signal to oscillate a scan mirror and a light beam reflected from the scan mirror; (2) generating a feedback signal ... | 03/18/2010 |
| 20090222140 | SYSTEM AND A METHOD FOR OPTIMISING AND PROVIDING POWER TO A CORE OF A VALVE A system for optimizing the power to a movable valve core includes a controller for providing a control signal to the core, which is movable between first and second positions. With the core in the first position, the control signal has a hold voltage, and the controlle... | 09/03/2009 |
| 20090153081 | Method for Adjusting a Piston in a Linear Compressor A method for operating a linear compressor including a linear drive with a stator and a rotor configured for displacement by a magnetic field of the stator against a spring force, and a compression chamber which is delimited by a displaceable piston coupled to the rotor... | 06/18/2009 |
| 20080191648 | Closed Loop Control Of Linear Vibration Actuator In a closed loop control method of a linear vibration actuator which vibrates linearly and energized by a switching element driven in a PWM control method, a crest or peak point (Bc, Bp) of the back electromotive force occurring in the linear vibra... | 08/14/2008 |
| 20070085495 | Vibrator and protable terminal device mounted with the vibrator In order to improve the reliability of an electrical connection between a power supply terminal of a vibrator and an electrode of a circuit board and to improve the efficiency of mounting the vibrator on the circuit board, the power supply terminal is made from a torsio... | 04/19/2007 |
| 20060244400 | Electromagnetic exciter An electromagnetic exciter includes a magnetic circuit assembly having an outer yoke, a magnet, and an inner yoke. A voice coil is inserted into a magnetic gap formed in the magnetic circuit assembly. A casing having a cylindrical wall is disposed around the magnetic ci... | 11/02/2006 |
| 20060192508 | Electrical drive apparatus having a structure-borne noise sensor A drive apparatus includes an electric motor (9), a control device (2) having a microprocessor (3) and a motor control module (5), which interacts with a power module (7) for the purpose of adjusting desired electrical parameters for t... | 08/31/2006 |
| 20050082994 | Active balance system and vibration balanced machine An active balance system is provided for counterbalancing vibrations of an axially reciprocating machine. The balance system includes a support member, a flexure assembly, a counterbalance mass, and a linear motor or an actuator. The support member is configured for att... | 04/21/2005 |
| 20050057209 | Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation A method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing oscillation of the motor rotational speed are disclosed. A motor drive controller includes a drive motor, a detector, and a motor drive controller. The drive motor ... | 03/17/2005 |
