Patents
Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020)
04/1988
04/14/1988DE3634425A1 Circuit arrangement for a self-oscillating, transistorised and no-load-protected push-pull-type ultrasonic generator
04/14/1988DE3634093A1 Vibration generator, in particular for vibration plates
04/13/1988EP0263349A1 Shock wave generator
04/13/1988EP0263133A1 Compressed sonar array with interleaved staves
04/12/1988US4737939 Composite transducer
04/12/1988US4737134 Sound producing ball
04/12/1988US4736631 Ultrasonic probes
04/06/1988EP0262573A2 Mass flow meter
04/06/1988CN85103008B Nonbarrierboard one-direction low-frequency wide-band high-pressure transducer
04/05/1988US4736192 Excitation circuit for piezo-electric sound generators
04/05/1988US4736130 Multiparameter generator for ultrasonic transducers
04/05/1988US4735096 Ultrasonic transducer
04/05/1988US4734963 Method of manufacturing a curvilinear array of ultrasonic transducers
03/1988
03/30/1988EP0261272A1 Air-driven dental scaler
03/30/1988EP0261230A1 Method and apparatus for ultrasonic surgical fragmentation.
03/29/1988US4734659 Ultrasonic oscillator
03/29/1988US4734611 Ultrasonic sensor
03/29/1988US4733820 Vibrating element for use on an ultrasonic injection nozzle
03/22/1988US4733379 Line array transducer assembly
03/22/1988US4733378 Active low-profile hydrophone
03/22/1988US4732040 Electrodynamically producing ultrasonic waves
03/22/1988US4731959 Vibratory casting cleaning
03/17/1988DE3640112C1 Method and device for producing electrodynamic ultrasonic transducer coils
03/15/1988US4731764 Sonar transducers
03/15/1988US4731227 Polymerization process and apparatus
03/10/1988DE3726467A1 Oscillation element injection-encapsulated with an appropriately resistant plastic
03/09/1988EP0258948A2 Flexural dish resonant cavity transducer
03/09/1988EP0258561A1 Shock-wave generator, particularly for lithotripsy
03/02/1988CN87103769A Apparatus for generating elliptically polarized shear waves
03/01/1988US4727875 Generator of high power elastic pulses focused in a liquid and obtained by impact
02/1988
02/24/1988EP0256627A2 Apparatus for generating shear waves in an earth medium
02/24/1988EP0256378A1 Apparatus for reading a two-dimensional charge image
02/24/1988EP0256232A1 Shock wave generator for the disintegration of concretions in a living body using non-contacting means
02/23/1988US4727331 Warning tone signal generator
02/23/1988US4726524 Ultrasonic atomizing vibratory element having a multi-stepped edged portion
02/23/1988US4726522 Vibrating element for ultrasonic atomization having curved multi-stepped edged portion
02/23/1988US4726241 Continuous force and impact generator
02/16/1988US4725994 Ultrasonic transducer with a multiple-folded piezoelectric polymer film
02/16/1988US4725993 Device including battery-activated oscillator
02/10/1988CN87101580A Ultrasonic splitting method of mica
02/10/1988CN85103276A Multi-cylinder fuel atomizer for automobile
02/09/1988US4724424 Warning chord sound producing apparatus including an integrated circuit
02/09/1988CA1232672A1 Broadband radial vibrator transducer with multiple resonant frequencies
02/04/1988DE3625461A1 Excitation circuit for an ultrasound atomiser (vaporiser, diffuser, pulveriser)
01/1988
01/28/1988WO1988000710A1 Method of and apparatus for ultrasonic imaging
01/27/1988EP0254237A2 Method for phase controlled power- and frequency adjustement of an ultrasonic transducer and apparatus for application of the method
01/26/1988US4721108 Generator for a pulse train of shockwaves
01/20/1988CN87104307A Controller for vibration type pile-driving machine
01/07/1988EP0251797A2 Non-directional ultrasonic transducer
01/07/1988EP0251599A2 Acoustic transducer
01/07/1988EP0251525A2 Continuous force and impact generator
01/07/1988EP0251524A2 Ultrasonic atomizing vibratory element
01/07/1988EP0251468A2 Magnetostrictive drive module
01/07/1988EP0251076A1 Vibrating plate compactor
01/07/1988EP0153332B1 Method and device for the vibratory operation of a working piston, particularly for working tools
01/07/1988DE3621945A1 Ultrasonic array applicator
01/07/1988DE3621133A1 Magnet vibrator
01/06/1988CN87102358A Vibrating device
01/05/1988US4718046 Method for driving a bender-type transmitter of a borehole logging tool to sequentially produce acoustic compressional and tube waves
01/05/1988CA1231169A1 Velocity hydrophone
01/05/1988CA1231093A1 Electromagnetic stirrer
12/1987
12/29/1987US4716556 Magnetostrictive acoustic transducer
12/29/1987US4715265 Process and apparatus for vibratory operation of a working piston, in particular for active working tools
12/22/1987US4714846 Apparatus for the examination of objects with ultra-sound, comprising an array of piezo-electric transducer elements
12/16/1987CN86200062U Double-spiral tube electric vibrator
12/15/1987US4713572 Ultrasonic transducers for on-line applications
12/15/1987CA1230409A1 Ultrasonic transducer arrangement comprising a network of piezoelectric transducer elements
12/09/1987EP0248512A2 Ultrasonic transducers for on-line applications
12/08/1987US4712037 Resonant piezoelectric sensor
12/02/1987EP0247752A2 Method of tuning an ultrasonic device, ultrasonic device and machine for performing an ultrasonic tooling operation
12/02/1987EP0247126A1 Tubular acoustic projector.
12/01/1987USH391 Piezoelectric polymer hydrophone
12/01/1987US4710655 Resonant vibration-transmitting apparatus
11/1987
11/25/1987EP0246773A2 An acoustic transducer for a borehole logging tool
11/25/1987EP0246528A2 regulated ultrasonic generator
11/25/1987EP0246515A1 Ultrasonic MHz vibrator, in particular for atomizing fluids
11/24/1987US4709362 Oscillating orbital vibrator
11/24/1987US4709361 Flexural disk transducer
11/24/1987US4709360 Hydrophone transducer with negative feedback system
11/24/1987US4709359 End weighted reed sound transducer
11/24/1987US4708127 For treating living tissue
11/24/1987US4707907 Method for scanning fitting of two pieces, one going into the other
11/19/1987WO1987007069A1 Acoustic transducer
11/19/1987WO1987006984A1 Recirculating bearing
11/19/1987DE3716431A1 Apparatus for controlling a pile vibrator
11/11/1987CN86207332U Spring oscillator
11/10/1987US4706229 Electroacoustic transducer
11/10/1987US4705980 Drive control method of ultrasonic vibrator
11/10/1987US4704774 Ultrasonic transducer and method of manufacturing same
11/04/1987EP0243591A2 Underwater transducer
11/04/1987EP0243420A1 Parallel-driven oscillating or vibrating supporting element fixedly supported by leaf springs
11/03/1987US4704709 Transducer assembly with explosive shock protection
11/03/1987US4704556 Transducers
10/1987
10/28/1987EP0242945A1 Acoustic fish behavioural control device
10/27/1987US4703464 Permanent magnet biased magnetostrictive transducer
10/27/1987US4703213 Device to operate a piezoelectric ultrasonic transducer
10/27/1987US4702140 Solar-powered musical ornaments and novelties
10/22/1987WO1987006408A1 Compressed sonar array with interleaved staves
10/20/1987US4701659 Piezoelectric ultrasonic transducer with flexible electrodes adhered using an adhesive having anisotropic electrical conductivity
10/20/1987US4700803 Transducer forming compression and shear waves for use in acoustic well logging