Patents
Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020)
07/1986
07/09/1986CN85100407A Vibrator
07/02/1986EP0186449A1 Underwater transducers
07/02/1986EP0186096A2 Polymeric piezoelectric ultrasonic probe
06/1986
06/24/1986US4596147 For the non-destructive testing of workpieces
06/24/1986CA1206588A1 Piezoelectric apodized ultrasound transducers
06/24/1986CA1206587A1 Ultrasonic examination device
06/24/1986CA1206373A1 Composite ink jet drivers
06/18/1986EP0184717A1 Transducer plate for piezoelectric transducers
06/17/1986US4595507 Separating deasphalted crude oil and light hydrocarbon solvent by passing mixture thereof across polysulfone membrane
06/11/1986EP0183899A1 Boring tool with radially oscillating/percussive and driven/rotating rollers
06/10/1986US4593603 Asymmetrically accelerated vibrator for feeding materials
06/10/1986CN85104107A Multifuntional electromagnetic vibration generator
06/04/1986EP0183583A1 Ultrasonic device
06/03/1986CA1205375A1 Ultrasonic liquid ejecting unit and method for making same
05/1986
05/28/1986EP0182140A1 Hybrid ultrasonic sensor with electronic circuitry
05/27/1986US4592029 Array apparatus for reading-out a two-dimensional charge image
05/27/1986US4590989 Continuous casting machine
05/27/1986US4590814 Vibration dampening apparatus for motor actuated eccentric forces
05/21/1986EP0181506A2 Flexible piezoelectric transducer assembly
05/13/1986US4588917 Drive circuit for an ultrasonic generator system
05/13/1986US4588300 Vibrator assembly
05/13/1986US4587863 Vibration dampening apparatus for motor actuated eccentric forces
05/09/1986WO1986002526A1 Electronic frequency modulator
05/06/1986US4586847 Vibratory mechanism
05/06/1986US4586512 Device for localized heating of biological tissues
04/1986
04/23/1986EP0178346A1 Ultrasonic transducer
04/22/1986US4583966 Method of filling calender/embosser rolls using vibrations
04/22/1986US4583529 High efficiency high frequency power oscillator
04/22/1986US4583414 Vibration dampening apparatus for motor actuated eccentric forces
04/22/1986CA1203562A1 Ultrasonic oscillator device for surgical operations
04/15/1986US4583018 Electrode configuration for piezoelectric probe
04/08/1986US4580456 Balance weight transfer device for a vibrator
04/02/1986EP0176136A1 Apparatus for treating a patient with ultrasound waves and treatment head for such apparatus
04/02/1986EP0176030A2 Ultrasonic transducer and method of manufacturing same
04/01/1986US4580252 Wide band acoustic receiver transducer
04/01/1986US4579697 Method for packing concrete cement utilizing a vibrator
03/1986
03/26/1986EP0070279B1 Pressurized gas driven sound emitter
03/25/1986US4578650 Resonance drive oscillator circuit
03/25/1986US4578613 Diaphragm comprising at least one foil of a piezoelectric polymer material
03/25/1986US4577995 Mechanism for generating vibrations for a ground compacting machine
03/25/1986US4577500 Driving control method of ultrasonic transducer
03/18/1986US4577132 Ultrasonic transducer employing piezoelectric polymeric material
03/12/1986EP0173761A1 Power ocillator for an ultrasonic transducer
03/11/1986CA1201824A1 Method of manufacturing an apodized ultrasound transducer
03/05/1986EP0173435A1 Transducers and control means
02/1986
02/26/1986EP0172263A1 Method and arrangement to maintain constant the power delivery of an ultrasonic cleaning system
02/25/1986US4572981 Transducer comprising composite electrical materials
02/25/1986US4572166 Self-travelling vibration generator
02/18/1986US4571520 Ultrasonic probe having a backing member of microballoons in urethane rubber or thermosetting resin
02/18/1986US4570616 Vibrator massager using beat frequency
02/04/1986US4568995 Electromagnetic interference suppression in a vehicle horn circuit
02/04/1986US4568849 Driving circuit for piezoelectric bi-morph
02/04/1986US4568218 Adjustably controllable centrifugal vibratory exciter
01/1986
01/29/1986EP0169727A2 Broadband radial vibrator transducer
01/28/1986US4566800 Sonic device for extracting minerals from ore
01/28/1986US4566331 Ultrasonic driver and receiver
01/22/1986EP0169064A2 Low voltage transformer coupled ink jet driver
01/21/1986US4566085 High intensity ultrasonic generator
01/21/1986US4565940 Method and apparatus using a piezoelectric film for active control of vibrations
01/21/1986US4564980 Ultrasonic transducer system and manufacturing method
01/15/1986EP0167740A2 Ultrasonic transducer with a multiple-folded piezoelectric polymer film
01/14/1986US4563993 Fuel feeding apparatus
01/02/1986EP0166180A1 Hydrophone
12/1985
12/31/1985US4562561 Ultrasonic pest repeller
12/31/1985US4562413 Driving frequency controlling method for an ultrasonic transducer driving apparatus
12/31/1985US4561446 Ultrasonic probe which can be introduced into a body
12/31/1985US4561438 Piezoelectric transducer with curved shafts
12/24/1985US4560998 Low voltage transformer coupled ink jet driver
12/24/1985US4559826 Precision source of acoustic radiation
12/17/1985US4558737 Downhole thermoacoustic device
12/17/1985CA1198204A1 Earthquake simulator
12/10/1985US4558305 Multiple tone signaling device
12/04/1985EP0162849A1 Low frequency sound transducer
12/04/1985EP0162848A1 Apparatus for frightening noxious animals by means of acoustic signals
12/03/1985US4556814 Piezoelectric ultrasonic transducer with porous plastic housing
12/03/1985US4556467 Apparatus for ultrasonic processing of materials
12/03/1985US4556174 Separation of solids from liquids
11/1985
11/27/1985EP0162618A2 Underwater acoustic wave transmitting and receiving unit
11/27/1985EP0162515A1 Ultrasonic transducer devices using an array of piezoelectric transducer elements
11/19/1985US4554490 Variable-frequency dual-motion feeder control using a single phase power source
11/19/1985US4554477 Drive circuit for a plurality of ultrasonic generators using auto follow and frequency sweep
11/19/1985US4553443 High frequency vibratory systems for earth boring
11/13/1985EP0160821A2 Apparatus for reading a two-dimensional charge image using an array
11/05/1985US4551647 Temperature compensated piezoelectric transducer and lens assembly and method of making the assembly
11/05/1985US4550622 Plural-amplitude vibration assembly
11/05/1985US4550606 Ultrasonic transducer array with controlled excitation pattern
10/1985
10/30/1985EP0159765A1 Electrodynamic shakers
10/22/1985US4548123 Oscillator
10/22/1985US4548090 Supersonic vibration driven motor device
10/15/1985US4547870 Velocity hydrophone
10/15/1985US4547712 Subharmonic controller for electromagnetic exciter
10/08/1985US4546459 Method and apparatus for a phased array transducer
10/08/1985CA1194975A1 Ultrasonic transmitter
10/01/1985US4545042 Method for generation of acoustic vibrations and source of acoustic vibrations for realizing same
10/01/1985US4545041 Shock-hardened hydrophone
10/01/1985US4544859 Non-bonded piezoelectric ultrasonic transducer
09/1985
09/24/1985US4543293 With trifluoroethylene and vinyl fluoride
09/18/1985EP0154852A1 Method and device for vibrating a piston in a hydraulic cylinder
09/11/1985EP0154606A2 Oscillatory device for moving articles in surface treatment installations
09/10/1985US4540123 Ultrasonic liquid atomizer