Patents
Sitemap › H01 - Basic electric elements › H01L - Semiconductor devices; Electric solid state devices not otherwise provided for › H01L 41 - Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
Patents for H01L 41 - Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof (34,459)
12/1982
12/07/1982US4362407 Piezoelectric printer and piezoelectric multilam actuator used therein
12/01/1982EP0065784A2 Lever actuator comprising a longitudinal-effect electroexpansive transducer and designed to prevent actuation from degrading the actuator
11/1982
11/30/1982US4361778 Universal piezoelectric crystal holder
11/30/1982US4361777 Piezoelectric transducer for producing a signal depending on the tensile force of a textile thread
11/17/1982EP0064506A1 Improvements in or relating to methods of producing devices comprising metallised regions on dielectric substrates.
11/16/1982US4359726 Composite sheets constituting electromechanical transducers and transducers equipped with such sheets
11/10/1982EP0064211A2 A method of forming electrodes on ceramic bodies to provide electronic components
11/02/1982CA1134939A1 Polymeric piezoelectric microprobe having a damper
10/1982
10/26/1982US4356424 Pseudo-AC method of nonuniformly poling a body of polymeric piezoelectric material and flexure elements produced thereby
10/26/1982CA1134482A1 Pathlength controller for a ring laser gyroscope
10/26/1982CA1134128A1 Dielectric ceramics
10/19/1982US4355256 Ceramic composition for a piezoelectric body and electromechanical transducer
10/12/1982US4354131 Sensor with cross-base mounting plate
09/1982
09/29/1982EP0061374A1 Method of manufacturing a composite piezoelectric material
09/28/1982CA1132707A1 Driving circuit for piezo-electric transducer
09/21/1982CA1132230A1 Device for the application of a control voltage across a piezo electric positioning element
09/21/1982CA1132229A1 Device for controlling a piezo-electric positioning element
09/15/1982EP0060217A1 Vibrating element for pressure detector, and pressure detector comprising such an element
09/14/1982US4349762 Fiber reinforced piezoelectric bender transducer
09/14/1982US4349502 Fabrication method for unoriented phase-I PVF2
09/07/1982US4348650 Surface-acoustic-wave parametric device
08/1982
08/31/1982US4346505 Method of fabricating piezoelectric transducer with polymer element
08/25/1982EP0058587A1 Dioptric device for magnetostatic waves
08/24/1982US4345359 Process for manufacturing a piezoelectric transducer made from a polymer material
08/10/1982US4344010 Acceleration resistant combination of opposite-handed piezoelectric crystals
08/10/1982US4343993 Scanning tunneling microscope
08/03/1982US4342936 High deflection bandwidth product polymeric piezoelectric flexure mode device and method of making same
08/03/1982US4342935 Binary piezoelectric drive for lens focusing system
07/1982
07/27/1982US4341974 Piezoelectric crystal element for use in force, pressure and acceleration transducers
07/20/1982US4340786 Piezo-electric film manufacture
07/13/1982US4339763 Apparatus for recording with writing fluids and drop projection means therefor
07/13/1982US4339683 Electrical connection
07/13/1982US4339682 Rotative motor using a piezoelectric element
07/07/1982EP0055294A1 Directional transfer energy production method
06/1982
06/30/1982EP0054704A2 Regulating unit with a piezoceramic body
06/30/1982EP0054703A1 Circuit for a piezoelectric positioning element and the like
06/29/1982US4336982 MgF2 Coating for promoting adherence of thin films to single crystal materials
06/22/1982US4336120 Method of fabricating a zinc oxide thin film
06/15/1982US4334343 Method of making crystal mounting and connection arrangement
06/15/1982CA1125910A1 Drive circuitry for controlling moveable video head
06/15/1982CA1125909A1 Transducer assembly vibration sensor
06/08/1982US4333842 Piezoelectric single crystal and surface acoustic wave element employing the same
06/08/1982US4333434 Fuel injection system, control valve and electronic control circuit
06/08/1982CA1125343A1 Dielectric electro-mechanical transducer
06/08/1982CA1125049A1 Silicon transducer
06/01/1982US4333029 Piezoelectric seismic sensor for intrusion detection
06/01/1982CA1124853A1 Auto-tracking control system for use in apparatus for reproducing a video signal recorded in successive parallel tracks on a recording medium
05/1982
05/27/1982WO1982001790A1 Improvements in or relating to methods of producing devices comprising metallised regions on dielectric substrates
05/18/1982US4330730 Wound piezoelectric polymer flexure devices
05/18/1982US4330593 PZT/Polymer composites and their fabrication
05/11/1982CA1123512A1 System for damping vibrations in a deflectable transducer
05/11/1982CA1123505A1 Piezoelectric tuning fork
05/05/1982EP0050791A2 Electrically operated regulating unit
05/05/1982EP0050712A1 Mechanical regulating unit
05/04/1982US4328442 Piezoelectrically driven tuning fork with damping means
05/04/1982US4328441 Output circuit for piezoelectric polymer pressure sensor
04/1982
04/29/1982WO1982001456A1 Apparatus for the rapid continuous corona poling of polymeric films
04/29/1982WO1982001455A1 Corona discharge poling process
04/28/1982EP0050332A1 Corona discharge poling process
04/28/1982EP0050185A1 Apparatus for the rapid continuous corona poling of polymeric films
04/27/1982US4327153 By impregnation of a fabric with polyvinylidene fluoride, polyvinyl chloride, polyvinyl fluoride or copolymers therof
04/20/1982US4325264 Supersonic vibration driven motor device
04/06/1982US4323985 Two dimensional acousto-electrical device for storing and processing information
03/1982
03/31/1982EP0048642A1 Method of making polymeric piezoelectric films
03/31/1982EP0048536A2 Sintered body of lead titanate and method of manufacturing same
03/24/1982EP0047740A1 Vinylidene fluoride polymers
03/23/1982US4321155 Piezoelectric oxide material
03/10/1982EP0047020A1 Piezoelectric crystal spark plug
03/02/1982US4318023 Sagittally amplified piezoelectric actuator
02/1982
02/16/1982US4316115 Polymeric piezoelectric microprobe with damper
02/09/1982US4315275 Acoustic storage device intended in particular for the correlation of two high-frequency signals
02/09/1982US4315180 High voltage piezoelectric generating device with lengthened spark time
02/09/1982CA1118096A1 Rotating magnetic head piezo-electric assembly and drive circuitry for video tape recorder
02/02/1982US4314297 Process for generating a magnetic induction field within a magnetic medium
02/02/1982US4314174 Piezoelectric transducer drive having temperature compensation
02/02/1982US4313839 Piezoceramic material
01/1982
01/27/1982EP0044702A1 Piezoelectric and pyroelectric polymeric blends
01/27/1982EP0044342A1 Pressure sensitive piezoelectric polymer signal generator.
01/21/1982WO1982000221A1 Directional transfer energy production method
01/19/1982US4311938 Method of sweeping quartz
01/19/1982US4310957 Method for the manufacture of ultrasonic heads
01/05/1982CA1115813A1 Piezoelectric wafer mover
12/1981
12/29/1981US4308474 Rare earth-iron magnetostrictive materials and devices using these materials
12/29/1981US4308370 Stretched and polarized polyvinylidene fluoride
12/29/1981CA1115415A1 Drive circuit for controlling a movable magnetic head
12/22/1981CA1114644A1 Solid state force transducer and method of making same
12/16/1981EP0041664A1 Process for the manufacture of an ultrasonic transducer device
12/01/1981US4303733 Filament with conductive layers
12/01/1981US4303324 Annular piezoelectric plastic bender lens motor
11/1981
11/24/1981US4302695 Support arrangement for a flexible sound generating diaphragm
11/24/1981US4302408 Method of producing pyro-electric and piezo-electric elements
11/24/1981EP0032911A4 Improvements in sensitive door edges.
11/04/1981EP0038957A1 Rolled core
11/03/1981US4298719 Doubly oriented film of polyvinylidene fluoride
11/03/1981US4298247 Thick optical element having a variable curvature
11/03/1981CA1111969A1 Bistable magnetostrictive device and methods of manufacture
10/1981
10/28/1981EP0038496A1 Firing device and piezoelectric coupling element for firing with galvanic decoupling
10/27/1981US4297609 High-voltage generating device
10/21/1981EP0037877A1 Piezoelectric polymer material, process for producing the same and an ultrasonic transducer utilizing the same
10/13/1981US4293986 Vacuum, alloying
1 ... 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345