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| Application No. | Application Title | Issue Date |
| 20100052474 | METHOD OF DRIVING A DRIVING APPARATUS CAPABLE OF SMOOTHLY MOVING A MOVING MEMBER A driving method is for a driving apparatus including an electro-mechanical transducer having first and second end surfaces opposite to each other in an expansion/contraction direction, a vibration friction portion mounted to the second end surface of the electro-mechan... | 03/04/2010 |
| 20100056962 | Acoustic Beam Forming in Phased Arrays Including Large Numbers of Transducer Elements A focused ultrasound system includes a transducer array, a controller for providing drive signals to the transducer array, and a switch. The transducer array includes a plurality of “n” transducer elements, and the controller includes a plurality of “m” output c... | 03/04/2010 |
| 20100045139 | DRIVING DEVICE AND OPTICAL APPARATUS Disclosed is a driving device capable of stably operating a plurality of actuators. Control units supply driving signals to piezoelectric elements to control actuators such that the actuators repeatedly change their operational states betwe... | 02/25/2010 |
| 20100038994 | Switched mode power supply A switched mode power supply is provided. The switched mode power supply includes a transformer, which includes at least one primary winding connected to a DC voltage via a switching element and a secondary winding connected to a load via a rectifier circuit including a... | 02/18/2010 |
| 20100026139 | DRIVER A driver, including: a piezoelectric element extending and contracting upon application of an electrical voltage; a driving member having one end secured to the piezoelectric element; a frictionally coupling member, frictionally coupling the driving member; and a drive ... | 02/04/2010 |
| 20100013354 | ADJUSTING DEVICE WITH HIGH POSITION RESOLUTION, EVEN IN THE NANO-OR SUBNANOMETER RANGE The invention relates to an adjusting device with high position resolution, even in the nano- or subnanometer range and a regulating distance of a few micrometers up to several hundred millimeters, wherein PZT-solid state actuators in a closed-loop control circuit are u... | 01/21/2010 |
| 20100013353 | PIEZOELECTRIC ACTUATOR FOR AN ULTRASONIC MOTOR The invention relates to a piezoelectric actuator, especially for an ultrasonic motor, comprising an acoustic oscillation resonator, wherein the acoustic oscillation resonator is substantially formed as a rectangular piezoelectric plate with two main surfaces, two side ... | 01/21/2010 |
| 20100007244 | Piezoelectric Motor and Method of Manufacturing the Same A piezoelectric motor that includes a rotor and a stator having a surface on which a driving member that is in contact with the rotor for rotating the rotor is disposed. The stator includes a stator body, a plurality of piezoelectric elements disposed on a surface of th... | 01/14/2010 |
| 20100007704 | DRIVING DEVICE FOR CAPACITANCE TYPE ACTUATOR AND DRIVING DEVICE FOR INK JET HEAD An actuator is sequentially charged with output voltage “E/2” of a voltage source and output voltage “E” of a voltage source. After the charging, “Q/2” of electric charge “Q” stored in the actuator is discharged on a path returning to the voltage source.... | 01/14/2010 |
| 20100007242 | PIEZOELECTRIC-DRIVE APPARATUS, METHOD OF CONTROLLING PIEZOELECTRIC-DRIVE AND ELECTRONIC DEVICE A piezoelectric driving device including a laminated body having a base that is capable of being deformed by applying force, a first piezoelectric body that is formed on a first face of the base directly or via another layer, and a second piezoelectric body that is form... | 01/14/2010 |
| 20100001618 | PIEZOELECTRIC ACTUATOR DRIVE DEVICE In a piezoelectric actuator control device for controlling operation of one or more piezoelectric actuators, when receiving a drive signal of a low level, a discharging switch is repeatedly turned on and off in order to discharge electric charge accumulated in the piezo... | 01/07/2010 |
| 20090309454 | PIEZOELECTRIC ACTUATOR A piezo actuator includes an adaptation element, which is configured to adapt the piezo actuator to a controller for inductive loads, particularly to a converter for actuating inductive loads. The adaptation element allows use of controllers or converters of numerical c... | 12/17/2009 |
| 20090309455 | METHOD FOR DETERMINING A FUNCTIONAL STATE OF A PIEZOELECTRIC INJECTOR OF AN INTERNAL COMBUSTION ENGINE A check is made to determine whether the capacitance value measured at a specific point in time corresponds to a capacitance value of a calculated further capacitance profile or the measured capacitance value is within two tolerance ranges.... | 12/17/2009 |
| 20090303622 | VIBRATING ELEMENT, VIBRATION ACTUATOR, LENS BARREL, CAMERA SYSTEM AND METHOD FOR DRIVING VIBRATION ACTUATOR To provide a vibrating element which can be driven by a low voltage, a vibration actuator, a lens barrel, a camera system and a method for driving a vibration actuator. A vibrating element (10) is provided with an elastically deformable tube-like member (11 | 12/10/2009 |
| 20090267451 | Positioning Motor and Apparatus A piezoelectric motor has a stator module 1, comprising two pairs of piezoelectric actuators Ia, Ib and 2a, 2b inside this stator module. The stator module is fixed by a central fixing point (A). The piezoelectric actuators 1... | 10/29/2009 |
| 20090267450 | Vibration Actuator It is an subject of the present invention to provide a vibration actuator in which a plurality of rotors can be driven by a single vibration unit. When a composite vibrator (2) is driven to generate a composite vibration combining a ... | 10/29/2009 |
| 20090243431 | Piezoelectric element drive device, electronic apparatus, and method for controlling piezoelectric element drive frequency A drive device for a piezoelectric element includes a transformer, a driver circuit, and a control circuit. The transformer has a primary side and a secondary side. The drive circuit causes the secondary side to generate a drive signal whose frequency varies in accordan... | 10/01/2009 |
| 20090243432 | Movable Table Unit A movable table unit provided here has a simple structure but can increase the precision of detecting the displacement of a movable table, and comprises a ring-shaped stationary base 1, a movable table 2 disposed inside the stationary base, spring members ... | 10/01/2009 |
| 20090236942 | Device with electroceramic/and variant/ and way of using the device with electroceramic/and variant/ The device with electroceramic/and variant/ and way of using the device with electroceramic/and variant/. The invention is from the field of technic which electroceramic is used in. The device with electroceram... | 09/24/2009 |
| 20090223490 | Method For Controlling A Piezoelectric Actuator And Control Unit For Controlling A Piezoelectric Actuator A method for controlling a piezoelectric actuator which displaces a control element of an injection valve includes the step of charging the actuator until a start voltage is reached. Subsequently, the actuator is discharged until a partial lifting voltage, which is main... | 09/10/2009 |
| 20090224630 | ULTRASONIC ACTUATOR An ultrasonic actuator includes: an actuator body (5) including an actuator body (50); a control circuit (150) for setting a driving frequency; power supply sources (191, 192) for applying a driving voltage having the driving frequency to the... | 09/10/2009 |
| 20090217925 | METHOD AND APPARATUS FOR DRIVING A TRANSDUCER OF AN INHALATION DEVICE An inhaler is disclosed wherein medicament in a flat-bottomed container is aerosolized with a vibrator piezoelectric transducer. The transducer is driven by a signal that excites multiple harmonic frequencies to create a complex pattern of oscillations. A circuit for ge... | 09/03/2009 |
| 20090206699 | Electronic device having piezoelectric pump An electronic device having a piezoelectric pump. The electronic device includes: an audio input section; an audio recording section recording input sound from the audio input section; a piezoelectric pump cooling air by a piezoelectric element; a drive circuit driving ... | 08/20/2009 |
| 20090207493 | FOREIGN SUBSTANCE REMOVING DEVICE AND FOREIGN SUBSTANCE REMOVING METHOD There is provided a foreign substance removing device which is capable of moving a foreign substance in a desired direction at a high removing efficiency. The foreign substance removing device removes a foreign substance on an object. A vibrator has first and second pie... | 08/20/2009 |
| 20090206676 | ULTRASOUND TRANSMIT PULSE GENERATOR A ultrasound transmit pulse waveform generator for driving a piezoelectric transducer in medical ultrasound imaging, nondestructive testing (NDT) ultrasound imaging applications, includes a capacitor, switching programmable current sources, and a power amplifier.... | 08/20/2009 |
| 20090206698 | Vibration device, antidust device, camera, vibration device inspection method, method for manufacturing vibration device and vibration method A vibration device comprising; a vibrator which generates bending vibration on a predetermined member, a controller which controls a driver to drive the vibrator, wherein; the vibrator comprises a plurality of driving electrodes electrically insulated respectively, the ... | 08/20/2009 |
| 20090195623 | METHOD FOR PRODUCING LIQUID TRANSPORT APPARATUS AND METHOD FOR PRODUCING PIEZOELECTRIC ACTUATOR When a piezoelectric actuator, having a lower electrode, an intermediate electrode, and an upper electrode respectively on upper surfaces of a vibration plate, a lower piezoelectric layer, and an upper piezoelectric layer mutually stacked, is produced, a voltage of 30 V... | 08/06/2009 |
| 20090189485 | PIEZOELECTRIC ACTUATOR PROVIDED WITH A DISPLACEMENT METER, PIEZOELECTRIC ELEMENT USED THEREFOR, AND POSITIONING DEVICE USING A PIEZOELECTRIC ACTUATOR By resistor attached by a piezoelectric element, measurement with high accuracy is possible by strain of the piezoelectric element and there is not a trouble by a short, a piezoelectric actuator, the piezoelectric element and a positioning device therewith. The piezoele... | 07/30/2009 |
| 20090189550 | Method and Apparatus for Controlling A Plurality of Motors Apparatus, having multiple motor modules, has an MCU module. Each motor module has an electronically controlled motor. The MCU module has an MCU and an interface for connecting to a bus from a CPU. In use the MCU module receives control signals from the CPU and in turn ... | 07/30/2009 |
| 20090189484 | APPARATUS AND METHOD FOR AFFECTING PHYSICAL PARAMETER ASSOCIATED WITH A SHAFT An apparatus for affecting at least one physical parameter associated with a shaft oriented about a longitudinal axis includes: a piezoelectric tubular member in a substantially osculatory coaxial relation with at least a portion of the shaft; and at least one electrica... | 07/30/2009 |
| 20090184603 | DRIVE CIRCUIT A drive circuit includes a plurality of output drive terminals and a plurality of push-pull circuit stages. Each of the push-pull circuit stages includes a pair of complementary transistors having a common terminal connected to a respective output drive terminal. The dr... | 07/23/2009 |
| 20090167823 | LIQUID TRANSPORTING APPARATUS AND PIEZOELECTRIC ACTUATOR A liquid transporting apparatus includes a channel unit in which liquid transporting channel transporting the liquid is formed, the liquid transporting channel including a pressure chamber; a piezoelectric actuator which is connected to the channel unit, and which appli... | 07/02/2009 |
| 20090167798 | LIQUID JET APPARATUS A liquid jet apparatus according to the present invention includes a drive waveform generator adapted to generate a drive waveform signal, a modulator adapted to execute pulse modulation on the drive waveform signal, a digital power amplifier adapted to power-amplify th... | 07/02/2009 |
| 20090167109 | PIEZOELECTRIC PUMP, COOLING DEVICE, AND ELECTRONIC APPARATUS Disclosed is a piezoelectric pump. The piezoelectric pump includes a pump body, a drive unit, a detection section, and a control unit. The pump body includes a hole for introducing a fluid from outside thereinto and jetting the fluid from inside, a wall portion disposed... | 07/02/2009 |
| 20090160291 | PIEZOELECTRIC ACTUATOR A piezoelectric actuator includes: a vibrator that includes a piezoelectric element, a first drive electrode and a second drive electrode, the piezoelectric element vibrated by a combination of at least two vibration modes including a first vibration mode and a second v... | 06/25/2009 |
| 20090152985 | Image stabilization control circuit, imaging device, and piezoelectric actuator drive circuit In a drive circuit for a piezoelectric actuator, it is possible to move a movement object to a target position rapidly and with good precision. Parameters for two types of drive pulses (PL1, PL2) having different duty ratios are stored in a register (28... | 06/18/2009 |
| 20090152984 | Piezoelectric actuator control circuit, image stabilization control circuit, and imaging device In a control circuit for servo control of a piezoelectric actuator, it is possible to efficiently move a movement object toward a target position in each servo control cycle. A pulse generation circuit (26) generates a drive pulse a plurality of times within a se... | 06/18/2009 |
| 20090147973 | APPARATUS INCLUDING TWO HOUSINGS AND A PIEZOELECTRIC TRANSDUCER An apparatus (100) including two housings and a piezoelectric transducer is disclosed. The apparatus may include a first housing (110), a hinge (115) coupled to the first housing, and a second housing (140) coupled the first housing via the h... | 06/11/2009 |
| 20090146529 | STARTING-PROCESS CONTROLLER FOR STARTING A PIEZOMOTOR A starting-process controller for starting a piezomotor, having a voltage-controlled oscillator, a power output stage, and a resonant converter. The oscillator generates the control signals required for the power output stage and the resonance converter converts the ste... | 06/11/2009 |
| 20090146528 | HYBRID CONTROL CIRCUIT A device for controlling a capacitive charge, in particular a piezoelectric actuator (2) has a signal generator (6) which is used to control a first end step (1) which is used to produce a discrete signal on the capacitive charge. device has a secon... | 06/11/2009 |