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6116431 |
Filter pan construction
A horizontal circular filter is provided which includes plural filter pans arranged in a circle and rotatable as a group around a fixed central vacuum box. The filter pans are connected to...
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6114798 |
Stacked element and vibration drive device
A vibration drive device including a stack element in which a plurality of layers of an electromechancial energy transducing material and layers of an electrode material are stacked alternately,...
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6114799 |
Driving mechanism
A driving device with a long stroke and high speed driving ability. The device includes a base with a pair of parallel guides which are elastically installed thereon, and includes a drive unit in...
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6111337 |
Ultrasonic transducer dipole
Ultrasonic transducer dipole of the type comprising an electromechanical transducer motor assembly and two pads, characterized in that it consists of at least one dipole, formed by two metal pipes...
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6109502 |
Ultrasonic vibration bonding resonator
In order to realize effective and economical bonding operation even on workpiece whose inside is quite deep, a bonding tool, which has a length equivalent to a whole number of multiples of half the...
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6109738 |
Ink jet print head and a method of manufacturing the same
An ink jet print head includes a plural number of piezoelectric vibrators each consisting of a lower electrode film, a piezoelectric film and an upper electrode film. The piezoelectric film and the...
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6111343 |
Piezoelectric resonator and electronic component including same
A piezoelectric resonator includes a base member including a plurality of laminated piezoelectric layers and internal electrodes. The adjacent piezoelectric layers are polarized in different...
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6107726 |
Serpentine cross-section piezoelectric linear actuator
A serpentine cross-section piezoelectric linear actuator includes a unitary, densified, rigid, monolithic piezoelectric or electrostrictive ceramic body, the body including a top, four sides...
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6104127 |
Piezoelectric type actuator having stable resonance frequency
A piezoelectric type actuator is composed of a vibration element, in which a piezoelectric element is attached on a vibration plate, an upper member and a lower member provided to hold the...
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6102531 |
Piezoelectric film type actuator and ink jet printer head having the same
A piezoelectric film type actuator, which achieves large displacement by the traverse effect of electric-field-induced distortion with low voltage and is quick in response and wherein wiring...
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6104121 |
Ultrasonic transducer with a disk-shaped quarter wave length transformer
An ultrasonic transducer having a narrow principal lobe opening angle simultaneously with low secondary lobe amplitudes is provided. The ultrasonic transducer invention has a disk-shaped...
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6104123 |
Vibration actuator having a supporting member to support a vibration member
A vibration actuator having improved drive efficiency by preventing the generation of noise and unnecessary vibrations. The vibration actuator includes a vibration member to generate vibration in...
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6104125 |
Linear actuator
A linear actuator includes two spaced seats connecting by a center piezoelectric member. The seats are mounted in a rail frame. Each seat has a piezoelectric member and an elastic zone for engaging...
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6100625 |
Piezoelectric ceramic transducer and method of forming the same
The present invention provides a piezoelectric ceramic transducer having at least a driver section, at least a power generator section and at least an isolator which isolates the driver section and...
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6100534 |
Microscopic area scanning apparatus
A microscopic area scanning apparatus is provided with at least three hollow cylindrical piezoelectric elements each driven in three XYZ directions by one of divided electrodes. Three or more...
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6092431 |
Rotary type driving device employing electromechanical transducer and apparatus provided with the rotary type driving device
A driving device (actuator) 10 includes a driving shaft 16 which is Linearly driven in the axial direction by a piezoelectric element 15 and two disks 18a and 18b which are made of an elastic...
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6093995 |
Hybrid motor
A hybrid actuator includes strain actuated elements that displace fluid to move a piston, with the elements forming a fluid housing, and being oriented and actuated to optimize force, stroke or...
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6091181 |
Piezoelectric acoustic device
The present invention provides a piezoelectric acoustic device 2 capable of preventing substantial deflection of a first side wall 17 opposite a piezoelectric vibrator 13 due to application of...
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6091314 |
Piezoelectric booster for an electromagnetic actuator
An electromagnetic actuator 10 includes first and second electromagnets 12 and 18, respectively. The second electromagnet 18 is in spaced relation with respect to the first electromagnet 12. An...
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6091179 |
Vibration actuator drive device and method of use
A driving device is equipped with a vibration actuator. The vibration actuator includes a roller element, an elastic member and electro-mechanical converting elements, which contact the elastic...
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6087760 |
Ultrasonic transmitter-receiver
In an ultrasonic transmitter-receiver for an apparatus for measuring the position or distance of an object, a composite vibrating unit is constructed with a piezoelectric vibrator and a cone,...
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6084332 |
High actuator density deformable mirror
An assembly comprises a plurality of thin plate-like members (2,2) arranged in a side-by-side manner. An array (6) of piezoelectric actuators (10,10) is disposed along a portion (5) of each of said...
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6082672 |
Actuator for an aircraft flight control surface
An actuator for a primary control surface of an air-craft, the actuator comprising at least one motor of the vibration type mounted in series with at least a second motor which is a piezoelectric,...
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6079569 |
Efficiency ultrasonic sieving apparatus
An ultrasonic sieving apparatus (10) is described which comprises a de-coupler (18) for enabling a combination of a transducer (T) and a first resonator (16) to be supported with respect to a sieve...
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6078126 |
Resonant piezoelectric alerting device
A resonant piezoelectric alerting device (400) includes a motional mass (130) and a piezoelectric actuator (100) which is constrained to an actuator mount (132) at a first end and coupled to the...
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6075311 |
Micro-positioned flatbed
Disclosed is a micro-positioning flatbed comprising a bed; a first driving unit and a second driving unit of resilient construction; a piezo-electric element firmly coupling the first and the...
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6074178 |
Piezoelectrically actuated peristaltic pump
A peristaltic piezoelectrically actuated fluid pump including two or more pairs of piezoelectric deformable members that are self-actuated, a flexible hose member, a pump chamber, inlet and outlet...
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6071088 |
Piezoelectrically actuated piston pump
A piezoelectrically actuated fluid pump including a pump housing, a pump chamber, inlet and outlet ports for communicating the pump chamber with the exterior of the pump housing, valves for opening...
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6069420 |
Specialized actuators driven by oscillatory transducers
Actuators for power driven accessories for moving objects, such as vehicle power windows, windshield wipers, vehicle power antennas, power side view mirrors, catheter drivers, curtain moving...
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6065663 |
Alignment apparatus for wire bonding capillary
An alignment apparatus is provided for ensuring proper positioning of a wire bonding capillary during installation of the wire bonding capillary onto the horn of a wire bonding machine. The...
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6066911 |
Ultrasonic driving element
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6066912 |
Device for transmitting a deflection of an actuator
A mechanical force transmitter converts the deformation of a piezoelectric actuator into a linear movement of a final control element. The transmission is via configuration of two mutually inclined...
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6060811 |
Advanced layered composite polylaminate electroactive actuator and sensor
The present invention relates to the mounting of pre-stressed electroactive material in such a manner that large displacement actuators or sensors result. The invention comprises mounting the...
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6054793 |
Piezoelectric resonator method for adjusting frequency of piezoelectric resonator and communication apparatus including piezoelectric resonator
A base member of a piezoelectric resonator includes a laminated body having a plurality of piezoelectric layers which are alternately polarized in opposite directions along the longitudinal...
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6051911 |
Vibration wave actuator
A vibration actuator includes a vibration member; and a plurality of electromechanical energy conversion elements for vibrating the vibration member. The electromechanical energy conversion...
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6049158 |
Piezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the same
A piezoelectric/electrostrictive film element which includes a ceramic substrate having at least one window and a diaphragm portion for closing each window, and a film-like...
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6046526 |
Production method of laminated piezoelectric device and polarization method thereof and vibration wave driven motor
A laminated piezoelectric device and method for manufacturing the device, wherein a large number of thin sheets of piezoelectric ceramic are disposed one on another via electrode films formed on...
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6043587 |
Piezoelectric actuator
A piezoelectric actuator or sensor includes a solid state body made of a monolithic piezoelectric material, a plurality of actuating electrodes formed as closed-loop electrodes entirely around the...
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6043588 |
Piezoelectric sensor and acceleration sensor
A piezoelectric sensor has a piezoelectric element having a specific axis of sensitivity and a package for the piezoelectric element. The package has a rectangular parrallelopiped configuration...
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6040653 |
Piezoelectric positioner
A piezoelectric positioner. First and second piezoelectric stacks are mounted on a rigid frame. A T-lever defining a yoke and a lever arm is disposed so that the yoke overlies the piezoelectric...
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6037702 |
Vibrating actuator
A vibrating actuator including a vibration member having an electro-mechanical energy conversion element and an electrode member for feeding an electrical signal to the electro-mechanical energy...
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6037703 |
Pressure sensor having piezoelectric layer formed by hydrothermal synthesis, and method of producing the same
A pressure sensor comprising a flexible substrate, and a piezoelectric element for detecting a pressure,. The piezoelectric element includes a piezoelectric layer and an electrode layer which are...
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6037706 |
Piezoelectric transformer having a high energy-conversion efficiency and high reliability
A piezoelectric transformer is described that features high energy-conversion efficiency and high reliability. Four driver piezoelectric ceramic plates are provided on the upper and lower surfaces...
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6037707 |
Electroding of ceramic piezoelectric transducers
In the embodiments described in the specification, electrodes are bonded to the surface of a ceramic piezoelectric layer by supporting electrodes having a reduced dimension on a flexible dielectric...
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6034466 |
Amplifier for amplification of a microactuator
The amplifier assembly includes a driver bellows and an output bellows. The driver bellows includes a first end and a second end. The first end is positionable adjacent a microactuator. The output...
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6032549 |
Actuator, method of driving actuator, computer-readable medium for storing program processed by computer for executing driving method, and compact machine tool utilizing actuator
An actuator comprises a base, a guide assembly mounted on the base, a first displacing unit mounted on the base for displacement into engagement with the guide assembly to place the first...
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6027260 |
Camera shutter and driving device having piezoelectric element for use therewith
A camera shutter having a shutter aperture, shutter blades, and a driving device for driving the shutter blades to open and close the shutter aperture. The driving device includes a pair of lever...
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6013972 |
Piezoelectric vibrating apparatus
A vibrating mechanism comprised of piezoelectric elements which vibrate at a high frequency when a voltage is applied to them. The piezoelectric elements are mounted on a rib so that their free...
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6011345 |
Device and method for controlling transductive systems
The present invention provides methods and systems for controlling transductive structures to achieve a desired performance objective. According to one aspect, the present invention provides a...
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6004644 |
Zirconia diaphragm structure and piezoelectric/electrostrictive film element having the zirconia diaphragm structure
A zirconia diaphragm structure, and a method of producing such structure in which the zirconia diaphragm structure includes a zirconia substrate having at least one window, and a zirconia diaphragm...
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