Patents
Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020)
02/1995
02/28/1995US5394379 For a marine seismic streamer
02/28/1995US5392898 Dual drive conveyor system with vibrational control apparatus and method of determining optimum conveyance speed of a product therewith
02/23/1995WO1995005654A1 Sounder
02/23/1995WO1995005607A2 Transducer testing system for low frequency vibrations
02/23/1995WO1995005136A1 Active foam for noise and vibration control
02/23/1995CA2169534A1 Transducer testing system for low frequency vibrations
02/21/1995US5392259 Micro-grooves for the design of wideband clinical ultrasonic transducers
02/21/1995US5390678 Method and device for measuring ultrasonic activity in an ultrasound delivery system
02/16/1995DE4330747C1 Ultrasonic transducer and method for producing it
02/15/1995EP0637937A1 Ultrasound catheter
02/14/1995US5389848 Hybrid ultrasonic transducer
02/09/1995WO1995003744A1 Ultrasonic bone healing device
02/09/1995DE4427798A1 Piezoelectric single crystal, ultrasonic probe and array probe
02/09/1995DE4325983A1 Servohydraulic oscillation exciter
02/08/1995EP0637470A2 Backing layer for acoustic transducer array
02/08/1995EP0637469A2 Multilayer transducer element
02/08/1995CN1098421A Continuous ultrasonic devulcanization of vulcanized elastomers
02/07/1995US5388163 Electret transducer array and fabrication technique
02/07/1995US5387833 Method and device for separating acoustic wave-generated energy from directly coupled electromagnetic interference
02/07/1995US5387767 To be mounted on a pipe member in a borehole
02/07/1995US5387180 Ultrasonic frequency synthesizer for phaco surgery
02/07/1995US5386728 Vibrator for subjecting an object to vibration
02/02/1995DE4325573A1 Apparatus for the gradual application of powder layers one on top of the other
02/01/1995EP0636456A1 Vibratory tumbling apparatus
02/01/1995EP0366686B1 Vibrational power generator
01/1995
01/31/1995US5386395 Ultrasonic device comprising an active impedance matching device between an ultrasonic transducer and the generator for generating pulse signals for the transducer
01/26/1995WO1995002550A1 Vibrator for conveying or sorting small parts or powdery materials
01/26/1995WO1995002464A1 High pressure low impedance electrostatic transducer
01/26/1995DE4420832A1 Pressure pulse generator with a circuit device having a thyristor
01/26/1995CA2159900A1 High pressure low impedance electrostatic transducer
01/24/1995US5383465 Ultrasonic instrument
01/19/1995WO1995002275A1 Electromagnetic transducer
01/18/1995EP0634227A2 Broadband ultrasonic transducers and related method of manufacture
01/11/1995EP0578787A4 Method and apparatus for adjusting vehicle horns.
01/11/1995EP0490930B1 Electromagnetic resonant vibrator
01/10/1995US5381386 Membrane hydrophone
01/10/1995US5381385 Electrical interconnect for multilayer transducer elements of a two-dimensional transducer array
01/10/1995US5381068 Ultrasonic transducer with selectable center frequency
01/10/1995US5381067 Electrical impedance normalization for an ultrasonic transducer array
01/05/1995WO1995000316A1 A method of controlling the power of a welding unit in ultrasonic welding operations and an arrangement for carrying out the method
12/1994
12/28/1994EP0631272A2 Ultrasonic transducer
12/28/1994EP0547060B1 Ultrasonic transducer for measuring the travel times of ultrasonic pulses in a gas
12/27/1994US5376857 Piezoelectric device
12/27/1994US5376856 Piezoelectric/electrostrictive actuator having ceramic substrate with auxiliary windows in addition to pressure chamber windows
12/22/1994WO1994030030A1 Microfabricated acoustic source and receiver
12/21/1994EP0629994A2 Micro-grooves for the design of wideband clinical ultrasonic transducers
12/21/1994EP0629993A2 Matching layer for front acoustic impedance matching of clinical ultrasonic transducers
12/21/1994EP0629992A2 Micro-grooves for apodization and focussing of wideband clinical ultrasonic transducers
12/21/1994EP0428745B1 Electromagnetic vibrator
12/20/1994US5375101 Electromagnetic sonar transmitter apparatus and method utilizing offset frequency drive
12/20/1994US5375099 Transducer with acoustic matching member and method of making the transducer
12/20/1994US5374236 Electromagnetic pressure pulse source
12/13/1994US5373483 Curvilinear wideband, projected derivative-matched, continuous aperture acoustic transducer
12/13/1994US5373212 Device enabling gas bubbles contained in a liquid composition to be dissolved
12/13/1994CA1333451C Single multi-function handpiece for dental instruments
12/08/1994WO1994027747A1 Ultrasonic frequency synthesizer for phaco surgery
12/06/1994US5371717 Microgrooves for apodization and focussing of wideband clinical ultrasonic transducers
12/06/1994US5371429 Electromechanical transducer device
12/01/1994DE4317351A1 Concrete mould vibrating machine, in particular core vibrator
11/1994
11/30/1994EP0626212A2 Holding structure of piezoelectric vibrator and manufacturing method therefor
11/29/1994US5368037 Ultrasound catheter
11/29/1994CA2042649C Ultrasonic measurement apparatus and method
11/24/1994WO1994026555A1 Multi-sound vehicle horn system
11/24/1994CA2139343A1 Multi-sound vehicle horn system
11/23/1994EP0625738A1 Silent electromagnetic alarm
11/23/1994EP0625659A1 A method for generating a pulsating air and an apparatus to execute the method
11/23/1994EP0625379A2 Signal conditioning and interconnection for an acoustic transducer
11/23/1994EP0625077A1 Ultrasonic surgical apparatus.
11/23/1994CN2183222Y Moving-bar type electromagnetic vibrator
11/22/1994US5367501 For marine vessels operating in an aqueous environment
11/22/1994US5367497 Extended frequency range hydrophone
11/22/1994US5365960 Megasonic transducer assembly
11/15/1994US5365497 Silent electromagnetic alarm
11/15/1994US5365153 AC variable speed driving apparatus and electric vehicle using the same
11/15/1994US5364578 Combination counter rotating packerhead and vibrator assembly and method of operation thereof
11/10/1994WO1994025956A1 Tone generating circuit
11/10/1994WO1994025182A1 Microprocessor controlled drive circuit for a liquid nebulizer having a plurality of oscillators
11/10/1994DE4315344A1 Apparatus for producing vibrations
11/09/1994EP0623395A1 Attenuation circuit for ultrasoundtransducers
11/08/1994US5363345 Process and electro-acoustic transducers for transmitting low-frequency acoustic waves in a liquid
11/02/1994EP0621823A1 Device for bonding components by means of vibration welding.
11/01/1994US5360498 Apparatus for sealing by surface fusion of mutually facing surfaces of thermoplastic materials or coatings, and the use of a giant magnetostrictive powder composite for this purpose
11/01/1994US5359760 Method of manufacture of multiple-element piezoelectric transducer
10/1994
10/27/1994WO1994024524A1 Fill-level indicator
10/19/1994EP0620545A1 Electrical switch for an acoustical warning device
10/19/1994EP0620434A1 Ultrasonic transducer
10/19/1994EP0620064A1 Workpiece manipulating and processing system
10/19/1994EP0620049A2 Multilayer acoustic transducer
10/19/1994EP0620048A2 Ultrasound transducers with reduced sidelobes and method for manufacture thereof
10/19/1994EP0619761A1 A nebuliser and nebuliser control system.
10/19/1994EP0370107B1 Ultrasonic diagnostic apparatus
10/18/1994US5357486 Acoustic transducer
10/18/1994US5357423 Apparatus and method for automatically adjusting power output of an ultrasonic generator
10/18/1994US5355732 Vibrating table with driven unbalanced shafts
10/12/1994EP0619147A1 Method and apparatus for grinding material
10/11/1994US5355351 Underwater low-frequency sound producer using a rare earth alloy
10/11/1994US5355048 Megasonic transducer for cleaning substrate surfaces
10/11/1994US5354956 Ultrasonic measurement apparatus
10/11/1994CA1332460C Sonar transducer
10/05/1994EP0618446A1 Method and device for separating acoustic wave-generated energy from directly coupled electromagnetic interference