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7618391 |
Waveform sensing and regulating fluid flow valve
Microfluidic shunt valves are disclosed having a deflectable element capable of being held in a closed position to occlude the passage of fluid between an inlet and outlet and, when not held in the...
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7602107 |
Surface mount type crystal oscillator
A surface mount crystal oscillator comprises a crystal blank, an IC chip having an oscillation circuit integrated thereon, and a hermetic package for accommodating the crystal blank and IC chip...
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7443084 |
Means for being electrically connected an electrode of a piezo-electric plate
A means for being electrically connected to an electrode of a piezo-electric plate is adapted for connecting the piezo-electric plate to a circuit board disposed under the piezo-electric plate. The...
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7427744 |
Piezoelectric actuator and scanning probe microscope using the same
A leaf spring 4 constituting an elastic member one end of which is fixed to a foundation 6 , and other end of which is brought into contact with a laminating type piezoelectric element 2 or a...
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7408291 |
Piezoelectric oscillator, manufacturing method thereof, and electronic device
To provide a piezoelectric oscillator which can be reduced in size by reducing the planar size. With regard to a layered lead frame comprising two lead frames and, connection leads for connection...
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7362037 |
Ultrasonic transducer device for humidifier
An ultrasonic transducer device for a humidifier, the humidifier having a vaporizing chamber for producing water vapor or mist, the ultrasonic transducer device comprises: a transducer holder...
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7320163 |
Method of manufacturing an actuator device
A step of forming a vibration plate includes a step of forming an insulation film in order to cause the surface roughness Ra of the insulation film to be in the range of 1 nm to 3 nm: the...
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7271525 |
Piezoelectric device mounted on integrated circuit chip
An electronics filter circuit includes an electromechanical resonator that is mounted directly to the surface of a silicon integrated circuit, rather than being a surface mounted or leaded filter...
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7247978 |
Acceleration tolerant piezoelectric resonator
The invention relates to piezoelectric resonators. An interposer element is used between a resonating plate and the resonator package to provide improved (i.e. reduced) acceleration sensitivity....
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7154211 |
Electrically connecting structure of piezo-electric plates
An electrically connecting structure of piezo-electric plates includes a circuit board and a plurality of piezo-electric plates disposed on and electrically connected to the circuit board. Anodes...
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7045931 |
Chip quartz oscillator and liquid-phase sensor
The present invention relates to a chip quartz oscillator. In an embodiment of a chip quartz oscillator S in accordance with the present invention, a quartz oscillator 2, which has a detection...
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6998761 |
Piezoelectric assembly
A piezoelectric assembly, a method for producing a structural unit with a prestressed piezoelectric actuator and a method for producing a hollow body for prestressing the piezoelectric actuator...
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6984925 |
Low acceleration sensitivity mounting structures for crystal resonators
The invention is a method and apparatus for improving the aging, pressure sensitivity, and acceleration sensitivity of crystal resonators. In one embodiment the invention includes a coplanar...
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6960868 |
Piezoelectric electro-acoustic transducer and manufacturing method of the same
A piezoelectric electro-acoustic transducer includes a substantially rectangular piezoelectric diaphragm, a casing having a support unit for supporting four corners of the piezoelectric diaphragm,...
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6933659 |
Fiber-reinforced microactuator
Microactuator comprising a volume changing layer ( 1 ) and a carrier substrate layer ( 2 ) carrying the volume changing layer ( 1 ), the microactuator also comprising a reinforcing structure ( 3 )...
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6912288 |
Piezoelectric electroacoustic transducer and manufacturing method of the same
A piezoelectric electroacoustic transducer, including a plurality of piezoelectric layers deposited to define a deposited product, flexurally vibrates the deposited product by polarizing the entire...
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6871572 |
Drive for precision oscillations
A drive device for generating oscillations, especially for the blade of a microtome, with a power generator and a power transmission element, which with the power generator is movable in a...
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6830351 |
Electronic vibration dampening central rearview reinforcing assembly
A reinforcing structure for an automobile's central rearview mirror which includes an electronic vibration-dampening device. The reinforcing structure includes Piezo electric elements attached to a...
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6798122 |
Lightweight underwater acoustic projector
A compound electro-acoustic transducer for producing acoustic signals has a plurality of elements. Each element has a piezoelectric disk with electrically conductive plates fixed on the top and...
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6720713 |
Piezoelectric resonant component
While suppressing that a vibration of a piezo-electric element propagates to a substrate by devising the composition of an electro-conductive support body, the piezoelectric resonant component...
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6675652 |
Angular sensor and method of manufacture thereof
An angular velocity of the present invention includes a resonator formed of a resonating member and a connecting member, a first base connected to the connecting member, a holding plate to hold the...
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6571442 |
Method of making an electronic component
An electronic component has a substantially reduced size and is adapted to be produced at low costs without variation in superior quality of the component because of the ease of achieving...
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6570299 |
Piezoelectric electroacoustic transducer and manufacturing method of the same
A piezoelectric electroacoustic transducer includes a substantially square piezoelectric diaphragm flexually vibrating in a plate-thickness direction in response to application of an alternating...
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6515405 |
Mounting structure of piezoelectric transformer and method of mounting piezoelectric transformer
In a structure in which a piezoelectric transformer element ( 11 ) is mounted on a circuit board ( 27 ) equipped with a circuit component for driving the piezoelectric transformer element ( 11 ),...
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6472798 |
Piezoelectric acoustic components
A piezoelectric acoustic component having excellent efficiencies of productivity and of acoustic conversion, a greatly miniaturized size, and excellent impact resistance properties, includes a...
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6366181 |
Adjusting method for group-delay characteristics of piezoelectric resonators
A group-delay-characteristics adjusting method allows group-delay characteristics of piezoelectric resonators to be easily adjusted without affecting the electrical characteristics thereof....
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6359532 |
Energy trapping type piezoelectric filter with a shielding conductive member on a bottom insulating base plate upper surface
An energy trapping type piezoelectric filter comprising a first piezoelectric substrate ( 1 A) and a second piezoelectric substrate ( 1 B) having an identical configuration and arranged in layers...
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6344706 |
Piezoelectric component and method of manufacturing same
A piezoelectric component includes a substantially rectangular shaped piezoelectric element, a first elastic material covering at least a pair of end portions of the piezoelectric element, the pair...
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6307300 |
Piezoelectric acoustic component
A piezoelectric acoustic component includes a unimorph-type vibration body, a mounting substrate, and a cover. The vibration body includes a substantially rectangular piezoelectric plate and a...
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6232701 |
Piezoelectric component and method for the manufacture thereof
A piezoelectric component in the form an actuator having a monolithic multi-layer stack is disclosed. The stack comprises a large active cross sectional area and simultaneously exhibits high...
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6150902 |
Electronic component, ladder filter and communication apparatus
A ladder filter includes an insulation substrate and a plurality of pattern electrodes provided on one major surface of the insulation substrate. A piezoelectric resonator which is a first series...
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6097132 |
Transformer with the piezoelectric transformer element held by lead terminals and elastic bodies in a case
A piezoelectric transformer element includes electrodes formed on a maximum-area of the front surface and rear surface of a long-plate shaped piezoelectric body. A case in which the piezoelectric...
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6093997 |
Embedded piezoelectric resonator
A piezoelectric resonator (12) is embedded within an electrically insulating substrate assembly (36), such as a multilayer printed circuit board. Electrical conductors (22,24) extend from...
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6057634 |
Piezoelectric component
A piezoelectric component includes a substrate on which pattern electrodes are disposed. A piezoelectric resonator is placed on the substrate. The piezoelectric resonator generates a longitudinal...
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6057633 |
Piezoelectric transformer unit
In order to achieve the above and other objects, a piezoelectric transformer unit is provided. The unit contains a piezoelectric transformer element, a first upper electrode, a first lower...
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6037705 |
Piezoelectric transformer including resilient adhesive support
A piezoelectric transformer includes a piezoelectric transforming element supported at its vibrational node region N on a base plate through a resilient adhesive member. Input electrodes of the...
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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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5984447 |
L-shaped inkjet print head in which driving voltage is directly applied to driving electrodes
An ink jet print head is provided with high integration in which a substrate formed with a wiring pattern of a driver circuit is adhered to an actuator plate to provide a joined body, which is...
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5925974 |
Piezoelectric component
A piezoelectric component has a substantially stronger connection between a substrate and a piezoelectric resonator and has improved electrical reliability. The piezoelectric resonator includes an...
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5896000 |
Mounting for reducing vibration-induced side bands
A vibration resistant mounting is described formed of a membrane on which an electronic device is mounted. The membrane is formed of a sheet material made of a suitable rubber such a solid silicone...
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5869767 |
Ultrasonic transducer
An ultrasonic transducer (10) comprises a flexible transmitter (18), a flexible receiver array (22), and flexible electrodes (14), (16), (20), for the transmitter and receiver. The elements of the...
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5847490 |
Piezoelectric transformer wrapped by wrapping member of soft insulating sheet material
A piezoelectric transformer element is wrapped together with primary lead members and secondary lead members by a thin soft insulating sheet, with the primary and secondary lead members being...
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5841217 |
Surface mounting crystal unit
In a surface mounting crystal unit comprising a quartz plate, a receptacle-like terminal member holding the quartz plate therein in such a way as to enable it to oscillate, and a lid covering an...
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5838092 |
Apparatus and method for vibration control using active constrained layer edge elements
An active constrained layer system includes a passive viscoelastic damping material positioned on top of a substrate. An active piezoelectric layer is positioned on top of the passive viscoelastic...
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5834881 |
Mounting arrangement for crystal resonators
Mounting arrangements are provided for crystals, which greatly reduces or iminates the effect of the force which develops on the crystal when acceleration is encountered. In these arrangements,...
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5831542 |
Air seeder blockage monitoring system
A seed blockage monitoring system employs a flexible, generally flat piezoelectric seed sensor element inserted at an acute angle of about 13 degrees into a seed flow path so that a portion of...
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5815466 |
Hydrophone structure with reverse bend of piezoelectric element
An active element in a hydrophone includes a piezoelectric hydrophone crystal mounted to a backing plate. The piezoelectric crystal may be divided into separate segments. If so segmented, the...
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5590866 |
Mounting means and method for vibration member
A mount for a vibratory member, such as an elongate half wavelength resonator, includes a pair of cylindrical flexural tubes, each tube coupled with one end to the nodal region of the member and...
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5575050 |
Method of assembling electronic component
A method of assembling an electronic component, such as a ladder-type filter, having at least one element being held between terminal plates under pressure and stored in a case. First, the terminal...
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5572487 |
High pressure, high frequency reciprocal transducer
A high frequency transducer capable of transmitting and receiving having an operational range from 100 kHz to 2 MHz, a free field voltage sensitivity (FFVS) greater than -218 dB re 1 V/μPa (300...
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