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| Number | Title | Issue Date |
| 7876022 | Piezoelectric generator of mechanical vibrations, and piezoelectric motors based on the generator A piezoelectric generator includes a piezoelectric ring having upper and lower plane surfaces and a first quality factor (Q-factor), a sound-wave conducting gasket acoustically coupled to the upper plane surface, a metal resonator ring positioned acoustically couple... | 01/25/2011 |
| 7608981 | Piezoelectric thin film vibrator and fabrication method thereof, driving apparatus and piezoelectric motor using the same The invention relates to a piezoelectric thin film vibrator having a piezoelectric device formed by using thin film formation technology, a fabrication method thereof, a driving apparatus and a piezoelectric motor using the same, and an object is to provide a piezoe... | 10/27/2009 |
| 7414250 | Cryogenic variable temperature vacuum scanning tunneling microscope A cryogenic variable temperature scanning tunneling microscope of novel design and component configuration, for use in conjunction with a variety of low temperature methodologies. ... | 08/19/2008 |
| 7365473 | Method for displacing a movable element by means of a least two actuators facing each other and positioned on a stator, as well as a wave motor, displacing device and assembly A method for displacing a movable element (3) by means of at least two actuators (4, 5) facing each other on a stator (2). Electrical wave signals are simultaneously applied to at least two actuators facing each other so that oppositely directed... | 04/29/2008 |
| 7352109 | Flat type piezoelectric ultrasonic motor There is provided a flat type piezoelectric ultrasonic motor for generating a rotation force to a rotor by ultrasonic vibrations. In the piezoelectric ultrasonic motor, a vibrator is formed of elastic material at a given size, a plurality of piezoelectric plates are... | 04/01/2008 |
| 7336013 | High mechanical strength electrical connection system and method In accordance with one embodiment, the present technique provides a bushing that is configured to electrically and mechanically couple a conductor bar of a rotor assembly to an end ring of the rotor assembly. The exemplary bushing has an interior surface that is con... | 02/26/2008 |
| 7323802 | Surface acoustic wave device A surface acoustic wave device that can operate in alternate-phase mode and single-phase mode, and thus generate surface acoustic waves at two different frequencies. The device is based on a piezoelectric film deposited on an elastic substrate, and includes an elect... | 01/29/2008 |
| 7317291 | Frequency control circuit, motor drive apparatus, frequency control method, control method of motor drive apparatus, and program allowing computer to execute control method A frequency control circuit including a control circuit for setting a set value, an adding circuit for adding the set value per unit time and effecting counting based on the adding result, and a signal output circuit for outputting an alternating signal of a cycle c... | 01/08/2008 |
| 7279853 | Fluorescent lamp dimmer control A dimmer fixture has a ballast board 10, a main board 40 and switch 70. The ballast board and main board have no inductors so the fixture may be used for fluorescent and incandescent lamps. The ballast board 10 has two bridge circuits ... | 10/09/2007 |
| 7274131 | Piezoelectric motor with actuator to move the rotor about two orthogonal axes A piezoelectric motor has an actuator which drives a slider. The actuator has a rectangular steel core of square cross-section with an axially projection driving tip. A ceramic piezoelectric element is bonded to each of the four faces of the core. Each piezoelectric... | 09/25/2007 |
| 7268465 | Driving device and optical device using the same A driving device according to the present invention includes an electromechanical transducer secured at its one end to a stationary body, a driving frictional member secured to the other end of the electromechanical transducer, and a moving body which frictionally e... | 09/11/2007 |
| 7267128 | Substrate treating apparatus A substrate treating apparatus for treating substrates includes a treating tank for receiving and treating the substrates, a holding device movable, while holding the substrates in a cantilever mode, between a treating position in the treating tank and a transfer po... | 09/11/2007 |
| 7245058 | Vibration wave driving apparatus, and method of setting shape of support member supporting elastic member forming vibration member of vibration wave driving apparatus A vibration wave driving apparatus includes a vibration member in which an electro-mechanical energy conversion element is fixed to an elastic member, and a contact member pressed against a sliding part provided in the vibration member, so as to be kept in contact t... | 07/17/2007 |
| 7242131 | Ultrasonic motor An ultrasonic motor includes rotors and an annular stator, which are integrated in the rotational direction, a rectangular parallelepiped multilayer piezoelectric transducer, a support shaft, and a transducer with drivers. The support shaft is attached to the outer ... | 07/10/2007 |
| 7196454 | Positioning device for microscopic motion An apparatus including a base configured to slidably engage a driven element, a piezoelectric element interposing the base and the driven element and attached to the base proximate a first piezoelectric element end, and a friction element attached proximate a second... | 03/27/2007 |
| 7187103 | Piezoelectric drive A piezoelectric drive that is used to create a relative movement between a first and a second body on a plane of movement. The drive includes a flat metal sheet (1) that forms, or is secured to, the first body and that is arranged parallel to the plane of mov... | 03/06/2007 |
| 7187104 | Vibration-type driving device, control apparatus for controlling the driving of the vibration-type driving device, and electronic equipment having the vibration-type driving device and the control apparatus A vibration-type driving device comprises a vibration element including a driving member and an electro-mechanical energy conversion element having an electrode and arranged to displace the driving member with a driving signal supplied to the electrode, and a driven... | 03/06/2007 |
| 7165746 | Vibration motor primary flight control actuator The invention provides an actuator for a control surface (7), in particular for a primary flight control of an aircraft, the actuator including a main actuator (3) in a main control line (1) for actuating the control surface (7), the actu... | 01/23/2007 |
| 7154208 | Control apparatus for vibration type actuator The present invention relates to apparatus achieving improvement in operation characteristics in the operation of stopping or reversing the direction of or decelerating movement of a vibrating wave actuator constructed to apply an alternating voltage to an electro-m... | 12/26/2006 |
| 7132951 | Apparatus and method for protecting an uninterruptible power supply and critical loads connected thereto An apparatus and method for monitoring and controlling a backup power source and one or more critical loads powered thereby is disclosed. The apparatus is constructed in the form of an electrical distribution panel that includes electronic systems for monitoring the... | 11/07/2006 |
| 7129621 | Vibration wave linear motor and lens implement using vibration wave linear motor The vibration wave linear motor of the present invention is structured comprising a driven component, a first vibrator having two or more driving contacting parts for driving the driven component in a certain predetermined direction, a second vibrator having one or ... | 10/31/2006 |
| 7129622 | Driving apparatus, use thereof and an optical system comprising such apparatus A driving apparatus has at least two driving members and at least one driven member. Each of the driving members is frictionally engaged to the at least one driven member to move the driven member. The friction between each driven member and each driving member is s... | 10/31/2006 |
| 7129618 | Control apparatus capable of low-speed driving of vibration type driving apparatus, actuating apparatus using the control apparatus, control method capable of low-speed driving of vibration type driving apparatus, and storage medium storing program including program codes capable of realizing the control method A control apparatus and a control method for a vibration type driving apparatus are disclosed which can maintain output performance even when low-speed driving is continued for a long time. The vibration type driving apparatus comprises a vibrating body and an elect... | 10/31/2006 |
| 7129620 | Vibration wave linear motor and lens implement using vibration wave linear motor The present invention comprises a first vibrator comprising a piezoelectric unit and at least one driving contacting part which vibrates by applying a predetermined voltage thereto, a second vibrator which comprises a piezoelectric unit and a plurality of driving co... | 10/31/2006 |
| 7117754 | Torque ripple sensor and mitigation mechanism A torque ripple sensor and method for torque ripple sensing and/or mitigation. A piezoelectric sensor is positioned relative to a motor so that torque fluctuations due to torque ripple of the motor are transmitted to the sensor, resulting in strain of a piezoelectri... | 10/10/2006 |
| 7119477 | Replaceable friction coupling for piezoelectric motors A piezoelectric motor comprising: a piezoelectric vibrator (50) having a surface comprising a localized non-planar shaped first surface region thereon which first surface region has a shape different from the shape of the surface on which it is located; and a... | 10/10/2006 |
| 7116033 | Control apparatus and program When starting a vibration-type drive device, the frequency of a drive signal is lowered from a predetermined frequency at a first change rate. When the vibration state of a vibration member reaches a predetermined state, it is determined whether or not a relative mo... | 10/03/2006 |
| 7109639 | Vibration-type driving device, control apparatus for controlling the driving of the vibration-type driving device, and electronic equipment having the vibration-type driving device and the control apparatus A vibration-type driving device comprises a vibration element including a driving member and an electro-mechanical energy conversion element having an electrode and arranged to displace the driving member with a driving signal supplied to the electrode, and a driven... | 09/19/2006 |
| 7105987 | Piezoelectric motor and method for actuating same The piezoelectric motor (6) comprises a stator (1) and a runner (4) which form a gap (7) as well as comprising a piezoelectric transducer (3) which is connected to the stator (1) or the runner (4) and which with the s... | 09/12/2006 |
| 7095160 | Piezoelectric motor and method of exciting an ultrasonic traveling wave to drive the motor A rotary ultrasonic piezoelectric motor is provided and a method of exciting a flexure traveling wave to drive the motor. The motor includes a stator having a piezoelectric ceramic disc polarized in the radial direction and bounded by a top electrode and a segmented... | 08/22/2006 |
| 7067958 | Wide frequency range electromechanical actuator An electromechanical actuator 10 is disclosed, having drive elements (14a–d) movable in two dimensions and connected to an actuator backing (12). The actuator backing (12) is made of a material being ferromechanically inactive. F... | 06/27/2006 |
| 7061156 | Control apparatus for vibration type actuator The present invention relates to apparatus achieving improvement in operation characteristics in the operation of stopping or reversing the direction of or decelerating movement of a vibrating wave actuator constructed to apply an alternating voltage to an electro-m... | 06/13/2006 |
| 7036769 | Microstructures using carbon fiber composite honeycomb beams A drive assembly for a wing of a micromechanical flying insect. The drive assembly comprises a honey comb structure. A method for flying a micromechanical flying insect comprising moving a wing with a drive assembly having a stiffness to weight ratio greater than ab... | 05/02/2006 |
| 7034438 | Vibration type driving apparatus A vibration type driving apparatus, which is capable of increase of output torque and rotational speed without increasing the size of a vibration body, is described. The apparatus comprises a vibration body which generates vibration by supplying a driving signal to ... | 04/25/2006 |
| 7029760 | Plated material and method of manufacturing the same, terminal member for connector, and connector A plated material reduces insertion and withdrawal forces when used in a connector. A terminal member for a connector and a connector therewith are also provided. The plated material comprises a substrate 3 made of Cu or a Cu alloy and a metal plating layer | 04/18/2006 |
| 7023123 | Motor and panel meter incorporating same A motor has a hollow-cylindrical shaped rotary shaft provided with a hollow therein and is mounted on a PCB having an LED as light source. Light emitted from the LED passes through the hollow from one end of the rotary shaft to the other end, and irradiates an indic... | 04/04/2006 |
| 6979935 | Piezoelectric motor and electronic equipment with piezoelectric motor A piezoelectric motor has a vibrating body for undergoing vibrational movement in accordance with a vibration wave, a contact member disposed in contact with and driven by the vibrating body during vibration thereof, and a support member for supporting the vibrating... | 12/27/2005 |
| 6952073 | Vibration wave driving apparatus, vibration member and driving system for the vibration wave driving apparatus The present invention relates to a vibration wave driving apparatus including: a vibration member which has an electro-mechanical energy conversion element having a plurality of electrode regions that are fixed to an elastic member and polarized in the same directio... | 10/04/2005 |
| 6949868 | Surface acoustic wave actuator and deflector employing the same A surface acoustic wave actuator has a mover arranged on a first surface of a piezoelectric board and comb-shaped electrodes formed on the first surface. High frequencies are applied to the comb-shaped electrodes to generate Rayleigh waves that move the mover. In th... | 09/27/2005 |
| 6943481 | Vibration member and vibration wave driving apparatus The present invention has been devised in order to raise driving efficiency of the vibration wave driving apparatus. A vibration member of a vibration wave driving apparatus of the present invention comprises the vibration member constituted of an elastic member and... | 09/13/2005 |
