Patents
Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020)
11/1984
11/20/1984US4483621 Vibration table
11/20/1984US4483571 Ultrasonic processing device
11/13/1984US4482889 Device for detecting failure of ultrasonic apparatus
11/13/1984US4482834 Acoustic imaging transducer
11/13/1984US4482788 Transducer for the transformation of electrical modulations into vibratory modulations
11/13/1984US4482324 Percussion instrument
11/13/1984US4481835 Device for continuous adjustment of the vibration amplitude of eccentric elements
11/06/1984US4480658 Aspirator system for sound emitters
11/06/1984US4480488 Force sensor with a piezoelectric FET
10/1984
10/31/1984EP0123455A2 Acoustic receiver transducer
10/31/1984EP0123277A2 Method of driving an ultrasonic oscillator for an atomizing fluid
10/23/1984US4479069 For measuring the air flow resistivity on the Earth's surface
10/17/1984EP0121737A2 Fuel feeding apparatus
10/16/1984US4477783 Transducer device
10/03/1984EP0120657A1 Dual function ultrasonic transducer assembly
10/02/1984US4474065 Ultrasonic probe
09/1984
09/26/1984EP0119277A1 Reverberation sound generator
09/25/1984US4473769 Transducer of the half-wave type with a piezoelectric polymer active element
09/25/1984US4473535 Process for reducing nitric oxides
09/25/1984US4473187 Apparatus for atomizing liquids
09/25/1984US4472980 Motor actuated rotary vibrator with resilient shock mount to provide linear movement
09/25/1984CA1175133A1 Weight dropping technique for shear wave generation
09/18/1984US4471666 Vibratory ram for ramming and/or drawing of ramming members
09/18/1984US4471658 Electromagnetic acoustic transducer
09/12/1984EP0118329A2 Velocity hydrophone
09/12/1984EP0117921A2 Method of manufacturing an apparatus for reading a two-dimensional charge image with an array
09/11/1984US4471475 Single element cantilever mounted shear wave transducer
09/11/1984US4470338 Self oscillating vacuum actuator
09/11/1984US4470308 Arc scan ultrasonic imaging system having diverging lens and path-length compensator
09/04/1984US4469978 Electrode arrangement for a folded polymer piezoelectric ultrasonic detector
08/1984
08/21/1984US4467237 Multielement ultrasonic probe and its production process
08/14/1984CA1172548A1 Method for sustaining the oscillation movement of an oscillating device
08/07/1984US4463838 Vibration jacks
07/1984
07/31/1984CA1171953A1 Seismic vibration detector using piezoelectric polymeric substance
07/31/1984CA1171950A1 Underwater transducer with depth compensation
07/24/1984US4462093 Symmetrical shell support for flextensional transducer
07/24/1984US4462092 Arc scan ultrasonic transducer array
07/24/1984US4461179 Device sensitive to pressure waves
07/24/1984US4461177 Acoustic emission transducer package
07/17/1984US4460841 Ultrasonic transducer shading
07/04/1984EP0112562A2 Ultrasonic transducer and method for manufacturing the same
07/03/1984US4458172 Ultrasonic probe
07/03/1984CA1170076A1 Piezoelectric knock sensor
06/1984
06/26/1984US4456848 Ultrasonic transmitting and receiving device
06/20/1984EP0111047A1 Apparatus to generate a succession of impulse-shock wave pulses
06/20/1984EP0110876A1 Method and control device for a hydraulic hammer.
06/19/1984US4454780 Vibratory mechanism
06/13/1984EP0110480A2 Phased array transducer apparatus
06/13/1984EP0110378A2 Ultrasonic probe
06/12/1984US4453919 Dental scaler
06/05/1984US4452086 Electrodynamic ultrasonic transformer
05/1984
05/15/1984US4449134 Composite ink jet drivers
05/08/1984US4446742 Motion transmission limiting apparatus
05/08/1984US4446734 Motor driven exciter
05/08/1984US4446722 Vibration sensor, particularly knock sensor for internal combustion engines
05/02/1984EP0107100A1 Vibratory machinery
05/01/1984US4446544 Small diameter, low frequency multimode hydrophone
05/01/1984US4446396 Ultrasonic transducer with Gaussian radial pressure distribution
05/01/1984US4446395 For producing lesions in selected body tissues
04/1984
04/24/1984US4445064 Self resonant power supply for electro-acoustical transducer
04/24/1984US4445063 Energizing circuit for ultrasonic transducer
04/24/1984CA1166166A1 Teleconference microphone arrays
04/24/1984CA1166123A1 Control for plate vibrators
04/17/1984US4443731 Hybrid piezoelectric and magnetostrictive acoustic wave transducer
04/17/1984US4442714 Microscope and method of use
04/10/1984CA1165470A1 Method for manufacturing an ultra-sonic transducer arrangement
04/10/1984CA1165145A1 Vibrating device
04/03/1984US4440034 Eccentric vibrator with shifting coupling
04/03/1984US4440025 Arc scan transducer array having a diverging lens
03/1984
03/27/1984US4439847 High efficiency broadband directional sonar transducer
03/20/1984CA1164084A1 Ultrasonic holography imaging device having a macromolecular piezoelectric element as a transducer
03/13/1984US4437088 Electrical simulation of percussive bell
03/13/1984US4437033 Ultrasonic transducer matrix having filler material with different acoustical impedance
03/13/1984US4437032 Sensor for distance measurement by ultrasound
03/06/1984US4435794 Wall-driven oval ring transducer
03/06/1984US4435083 Self-clamping rotary vibrator and mount therefor
03/06/1984US4434663 Electromagnetic acoustic transducer
02/1984
02/28/1984US4434384 Ultrasonic transducer and its method of manufacture
02/28/1984US4433916 Acoustic resonator having transducer pairs excited with phase-displaced energy
02/21/1984US4433400 Acoustically transparent hydrophone probe
02/21/1984US4433399 Ultrasonic transducers
02/15/1984EP0100711A2 Half wave transducer using an active piezo-electric polymer element
02/15/1984EP0100650A1 Apparatus and method for generating auditory indicators
02/14/1984US4432007 Ultrasonic transducer fabricated as an integral part of a monolithic integrated circuit
02/14/1984US4431975 Oscillator circuit for ultrasonic cleaning
02/14/1984US4431336 Concrete prefinishing tool
02/14/1984US4430898 Pulse-echo ultrasound system utilizing conjugate emitting and receiving apertures
02/01/1984EP0099730A2 Ultrasonic liquid ejecting unit and method for making same
01/1984
01/31/1984US4428678 Concrete vibrator
01/31/1984US4428238 Vibrating test screening apparatus
01/25/1984EP0099273A1 Vibrator driven by compressed air with variable air injection in relation to the vane position
01/24/1984US4427912 Ultrasound transducer for enhancing signal reception in ultrasound equipment
01/11/1984EP0098017A2 End weighted reed sound transducer
01/10/1984US4425525 Ultrasonic transducer array shading
01/10/1984US4424718 Air actuated rotary vibrator with resilient shock mount to provide linear movement
01/10/1984CA1160335A1 Electromagnetic acoustic transducer for tube inspection
01/10/1984CA1160079A1 Rotor driven vibratory device having rotor centralization means and vibrational mode selection means associated therewith
01/03/1984US4424465 Piezoelectric vibration transducer
01/03/1984CA1159947A1 Ultrasonic array
01/03/1984CA1159676A1 Load bearing oscillator drive