Patents
Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020)
12/1983
12/27/1983US4422334 Hydrostatic bearing type coupling for use in vibrating machine
12/22/1983WO1983004427A1 Control device and method for hydraulic pulse generators
12/13/1983US4420826 Stress relief for flextensional transducer
12/13/1983US4420707 Backing for ultrasonic transducer crystal
11/1983
11/29/1983US4418297 Oscillatory resonant transducer driver circuit
11/29/1983CA1157966A1 Method for manufacturing an ultrasonic transducer
11/16/1983EP0093896A1 Percussion apparatus
11/16/1983EP0093895A1 Percussion apparatus
11/15/1983US4415998 Segmented acoustic transmitter for broad frequency investigation of a borehole
11/15/1983US4415909 Multiple nozzle ink jet print head
11/08/1983US4414654 Thinned array transducer for sonar
11/08/1983US4414482 Non-resonant ultrasonic transducer array for a phased array imaging system using1/4 λ piezo elements
11/02/1983EP0092861A1 Vibratory device and dental scaler incorporating it
11/01/1983US4413331 Broad beam transducer
11/01/1983US4413179 Mechanical vibrator for light beam chopper
11/01/1983CA1156345A1 Vibration sensor for an automotive vehicle
11/01/1983CA1156344A1 Thinned array transducer for sonar
11/01/1983CA1156342A1 Resonator exhibiting uniform motional output
10/1983
10/26/1983EP0092421A2 Improvements in ink jet droplet exciters
10/26/1983EP0092014A1 Regulator for a vibrations generator with unbalanced masses
10/25/1983US4412316 Ultrasonic transducer arrangement
10/25/1983US4412147 Ultrasonic holography imaging device having a macromolecular piezoelectric element transducer
10/25/1983US4411052 Method for manufacturing an ultrasonic transducer arrangement
10/12/1983EP0090932A2 Magnetostrictive ultrasonic transducer for very high frequencies and high power, more particularly for level measuring
10/11/1983US4409510 Method for providing ultraacoustic transducers of the line curtain or point matrix type and transducers obtained therefrom
10/11/1983US4408493 Directional ultrasonic transducers
10/05/1983EP0090267A1 Ultrasonic transducer and method for its manufacture
10/05/1983EP0090265A1 Ultrasonic transducer
10/04/1983CA1154861A1 Ultrasonic transducer with a piezoelectric plastic receiving layer
10/04/1983CA1154654A1 Method and means to vibrate preferably flat parts, and distillation apparatus, particularly plate column and condenser, and product derived from said method
09/1983
09/27/1983US4406967 Ultrasonic probe
09/27/1983CA1154515A2 Braking method and apparatus for vibratory feeder
09/13/1983US4404502 Energy saving circuit arrangement for a piezoelectric positioning element
09/07/1983EP0088071A2 Orbiting mass device for generating vibrations
09/06/1983US4402458 Apparatus for atomizing liquids
09/06/1983US4402255 Compressed-air vibrator with reciprocating piston
09/06/1983CA1153459A1 Sensor for detecting particles in a fluid flow
09/06/1983CA1153458A2 Thinned array transducer for sonar
09/06/1983CA1153224A1 Multitone signaling device
08/1983
08/31/1983EP0087264A2 Force sensors
08/31/1983EP0086868A1 Method and vibratory conveyor for treating materials
08/30/1983US4401910 Multi-focus spiral ultrasonic transducer
08/30/1983US4401089 Ultrasonic transducer
08/24/1983EP0086531A1 Apparatus for ultrasonic investigation
08/23/1983US4400642 Piezoelectric composite materials
08/16/1983US4399387 Ultrasonic wave transducer
08/16/1983US4398431 Mechanical power transmitting system
08/16/1983US4398325 Process for producing ultrasonic transducers having complex shapes
08/16/1983CA1152204A2 Pest control apparatus
08/10/1983EP0085271A1 Vibrator with movable centrifugal parts adjustable in dependence upon the rotation speed
08/09/1983US4398116 Transducer for electronic focal scanning in an ultrasound imaging device
08/04/1983WO1983002709A1 Ultrasonic transducer
08/02/1983US4395913 Broadband electromagnetic acoustic transducers
08/02/1983US4395908 Means for adjusting the sensitivity of a crystal detector
07/1983
07/27/1983EP0084359A2 Concrete mixer with vibrator
07/27/1983EP0084174A2 Ultrasonic microscope
07/26/1983US4395665 Control system for vibrating a member at its resonant frequency
07/19/1983CA1150391A1 Oscillation generator for an ultrasonic liquid atomizer
07/13/1983EP0031352B1 An eccentric element
07/12/1983US4393373 Piezoelectric audible sound generator
07/05/1983US4392215 Pest control apparatus
07/05/1983US4391144 Ultrasonic test probe
07/05/1983CA1149247A1 Vibrator
06/1983
06/28/1983US4390976 Acoustic signal conditioning device
06/21/1983US4389137 Oscillator for soil or road tampers
06/21/1983US4389120 Rotary vibrator with resilient shock mount to provide linear movement
06/15/1983EP0081033A1 Ultrasonic scanner
05/1983
05/31/1983US4385524 Compact shake mechanism
05/25/1983EP0079412A1 Vibrator with moving capsulated unbalanced mass
05/24/1983US4385255 Linear array ultrasonic transducer
05/24/1983US4384394 Method of manufacturing a piezoelectric transducer device
05/17/1983US4384228 Acousto-electric transducer
05/17/1983US4383765 Resonantly-powered plasticizer
05/17/1983US4383434 Magnetostrictive engine-knock sensor
05/17/1983CA1146663A1 Low-frequency sound generator
05/17/1983CA1146607A1 Target apparatus
05/10/1983US4383194 Electro-acoustic transducer element
05/04/1983EP0077923A1 Ultrasonic transducer to be introduced into a body
05/03/1983US4382251 Envelope control device for piezoelectric buzzer
04/1983
04/19/1983US4380808 Thinned array transducer for sonar
04/12/1983CA1144635A1 Method for investigating an anchored rod-like body having an accessible end, and apparatus for carrying out the method
04/12/1983CA1144451A1 High frequency reaction mass and hydraulic cylinder assembly
04/05/1983US4379246 Polymeric piezoelectric drive element for writing jets in mosaic ink printing devices
04/05/1983CA1143964A1 Clamp on vibrator for rail cars and storage facilities
03/1983
03/30/1983EP0075302A1 Sensor for measuring distances using ultrasonic echos
03/08/1983US4376302 Piezoelectric polymer hydrophone
03/08/1983US4376255 Method for pulse triggering of a piezo-electric sound-transmitting transducer
02/1983
02/08/1983US4373143 Parametric dual mode transducer
02/01/1983US4371816 Control circuit for an ultrasonic dental scaler
02/01/1983US4371805 Ultrasonic transducer arrangement and method for fabricating same
02/01/1983US4371804 Piezoelectric knock sensor
02/01/1983US4370894 Eccentric element
02/01/1983US4370785 Piexoelectric type having a conductive epoxy resin coating
01/1983
01/26/1983EP0070606A2 Swing sieve
01/26/1983EP0070345A1 Vibrator with a variable unbalanced mass
01/26/1983EP0070344A1 Directional vibrator
01/26/1983EP0070343A1 Vibrator with an unbalanced mass depending on the number of revolutions
01/26/1983EP0070342A1 Vibrator
01/26/1983EP0070279A1 Pressurized gas driven sound emitter.
01/11/1983US4368525 Vibration detector