| Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020) |
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| 05/24/1994 | US5314305 Compressed air vibrator with turbine drive |
| 05/24/1994 | US5313834 Phased array sonic transducers for marine instrument |
| 05/18/1994 | EP0597228A2 Coordinate input apparatus |
| 05/18/1994 | EP0596974A1 Ultrasonic transducer arrangement and catheter. |
| 05/18/1994 | CN1086745A Unit for fastening of altrosonic power transferer |
| 05/18/1994 | CN1024609C Permanent piezoelectric ceramic wafer energy transducer |
| 05/11/1994 | WO1994010681A1 Ultrasonic probe and method of operating it |
| 05/11/1994 | EP0596763A1 Process and transducer for emitting low-frequency acoustic waves immersed without restriction in a liquid |
| 05/11/1994 | EP0595849A1 Use of composite piezoelectric transducer for ultrasonic therapy apparatus |
| 05/10/1994 | US5311095 Ultrasonic transducer array |
| 05/04/1994 | EP0595783A2 Ultrasonic treatment system |
| 05/04/1994 | EP0595400A1 Device for the active impedance adaptation between an ultrasonic transducer and the generator of impulse signals for this transducer |
| 05/04/1994 | EP0594604A1 Particle manipulation in an ultrasonic field. |
| 05/04/1994 | CN1086305A Acoustic resonator having mode-alignment-cancelled harmonics |
| 05/03/1994 | USH1308 Narrow band acoustic source |
| 05/03/1994 | US5309411 For generating sonic waves |
| 05/03/1994 | US5309410 Tuned circuit for sonar beam pattern optimization |
| 05/03/1994 | US5309405 Methods of employing vibrational energy in a borehole |
| 04/29/1994 | CA2109373A1 Ultrasonic treatment system |
| 04/28/1994 | WO1994009605A1 Two-dimensional array ultrasonic transducers |
| 04/28/1994 | WO1994008778A1 Device for bonding components by means of vibration welding |
| 04/27/1994 | CN1085829A Piezo-electric energy converter for ultrasonic atomization of Ni-electrode and its process for mfg. |
| 04/26/1994 | US5306981 Piezoelectric vibrator assembly |
| 04/26/1994 | US5306980 Torsional force transducer and method of operation |
| 04/26/1994 | US5306129 Molding deformable materials with use of vibrating wall surfaces |
| 04/26/1994 | US5305737 Ultrasonic treatment system |
| 04/26/1994 | US5305674 Stringed musical instrument with visual images |
| 04/26/1994 | CA2000581C Ultrasonic surgical operation device using bolted langevin transducer |
| 04/19/1994 | US5303591 Ultrasonic inspection system with improved pulser and receiver circuits |
| 04/14/1994 | WO1994007615A1 Sonic or ultrasonic transducer |
| 04/14/1994 | WO1994004286A3 Improvements in or relating to the dispensing of fluids |
| 04/14/1994 | DE4233929A1 Vorrichtung zur Verbindung von Bauteilen durch Vibrationsschweißung A device for connecting components by vibration welding |
| 04/12/1994 | US5302459 Coating film with acrylic resin based aqueous composition and amino-modified silicone, drying, heat treating |
| 04/12/1994 | US5302055 Signalling device |
| 04/06/1994 | EP0590193A1 Ultrasonic transducer arrangement with acoustic impedance matching layer |
| 04/06/1994 | EP0590176A1 Ultrasonic transducer arrangement with acoustic matching layer |
| 04/06/1994 | CN2160473Y Automatic frequency trancking power ultrasonic generator |
| 04/05/1994 | CA1328214C Vibrational power generator |
| 03/31/1994 | WO1994007236A1 Ultrasonic transducer |
| 03/31/1994 | DE4233318A1 Ultrasonic disintegrator transducer with integrated potential sepn. - has mechanical couplers at vibration nodes isolated electrically from high-frequency-excited active piezoelectric elements. |
| 03/30/1994 | EP0589648A1 Ultrasonic transducers |
| 03/30/1994 | EP0589396A2 Ultrasound transducer with improved rigid backing |
| 03/29/1994 | US5299175 Electroacoustic unit for generating high sonic and ultra-sonic intensities in gases and interphases |
| 03/29/1994 | US5298828 Ultrasonic electroacoustic transducer |
| 03/29/1994 | US5297553 Ultrasound transducer with improved rigid backing |
| 03/29/1994 | CA1328124C Ultrasound generator and emitter |
| 03/24/1994 | DE4303293C1 EM ultrasonic wave transducer - with offset rows of permanent magnet segments and two HF coils respectively associated with alternating rows |
| 03/24/1994 | CA2106444A1 Ultrasound transducer with improved rigid backing |
| 03/22/1994 | US5296777 Ultrasonic probe |
| 03/22/1994 | US5295487 Ultrasonic probe |
| 03/22/1994 | CA2106549A1 Ultrasonic transducers |
| 03/16/1994 | EP0586828A2 Hydrophone |
| 03/16/1994 | EP0360806B1 Air-driven low-frequency sound generator with positive feedback system |
| 03/16/1994 | CN1083988A Stabilized electromagnetic resonant armature tactile vibrator |
| 03/15/1994 | US5295120 Hermetically sealed ultrasonic transducer system |
| 03/15/1994 | US5294896 Device for feeding a high frequency oscillating tool |
| 03/15/1994 | US5293987 For imparting vibratory motion to a host member |
| 03/09/1994 | EP0586136A2 Electroacoustic transducer seal |
| 03/09/1994 | CN1083346A Narrow band noise syrigmus shielding device |
| 03/08/1994 | US5293353 Method for manufacturing an acoustic sensor, and acoustic sensor obtained thereby, having a substantially non-detachable protective layer |
| 03/08/1994 | US5293149 Vehicle horn with electronic solid state energizing circuit |
| 03/03/1994 | WO1994004286A2 Improvements in or relating to the dispensing of fluids |
| 03/03/1994 | CA2142290A1 Improvements in or relating to the dispensing of fluids |
| 03/02/1994 | CN2157832Y Electromagnetic pressure controlling vibrator |
| 03/01/1994 | US5291090 Curvilinear interleaved longitudinal-mode ultrasound transducers |
| 03/01/1994 | US5290400 Fabrication method for microelectromechanical transducer |
| 02/24/1994 | DE4233016A1 Electrical circuit for ultrasonic cleaning device - incorporates pulse width modulation for regulating power output resonance frequency |
| 02/24/1994 | DE4227847A1 Electromagnetic oscillation generator for oscillating conveying device - has armature between opposing pole faces of magnetic core with air-gap at each end |
| 02/24/1994 | DE4227212A1 Horn for vehicle with volume control system and horn-operating pushbutton - provides continuous min. excitation current supply and dependent on control increased excitation current results. |
| 02/23/1994 | EP0583805A1 Flextensional transducer |
| 02/23/1994 | CN2156947Y Device for eliminating deformation of transmission shaft of vibrator |
| 02/23/1994 | CN1082463A Round member activating method and activator |
| 02/22/1994 | US5288551 Flexible piezoelectric device |
| 02/22/1994 | US5287829 Fluid actuators |
| 02/17/1994 | DE4230773C1 Ultraschallwandler Ultrasonic transducer |
| 02/16/1994 | EP0582872A1 Belt gear |
| 02/16/1994 | EP0582766A1 Ultrasonic recanalization system and transducer therefor |
| 02/16/1994 | EP0480936B1 A method and a system for counteracting marine biologic fouling of a hull or a submerged construction |
| 02/15/1994 | US5287027 Electromagnetic drive for use with vibratory conveyors |
| 02/14/1994 | CA2103970A1 Ultrasonic recanalization system and transducer therefor |
| 02/12/1994 | CA2103598A1 Hydrophone |
| 02/03/1994 | DE4224113A1 Centrifugal force type vibration exciter for vibratory conveyors, hoppers etc. - has single motor driving through gear pair and two timing belts onto contra-rotating parallel shafts having eccentric disks in mirror relationship. |
| 02/02/1994 | CN2154752Y 矿浆振荡器 Pulp oscillator |
| 02/01/1994 | US5282699 Method and apparatus for densification of sands of silts |
| 01/27/1994 | DE4239058C1 Piezo-electric drive system piezo-crystal controller - changing over potential of piezo-crystal connection charging or discharge capacitance divided into several stages |
| 01/26/1994 | EP0580156A2 Underwater low-frequency sound producer using a rare earth alloy |
| 01/26/1994 | CN2154131Y Double-axle vibrator |
| 01/20/1994 | WO1994001842A1 Stabilized electromagnetic resonant armature tactile vibrator |
| 01/20/1994 | WO1994001225A1 Device for exciting vibration |
| 01/19/1994 | EP0579255A2 Ultrasonic test head |
| 01/19/1994 | EP0578787A1 Method and apparatus for adjusting vehicle horns |
| 01/19/1994 | EP0478611B1 Wide-range ultrasonic transducer |
| 01/18/1994 | US5279282 Acoustic wave generator having a circulatable, liquid acoustic propagation medium |
| 01/13/1994 | DE4225564C1 Vibration generator using electrically-driven reversible shaft - carries fixed and relatively rotatable imbalance weights together with fixing piece providing limit stops for rotation angle |
| 01/12/1994 | EP0577980A1 Ac variable speed driving apparatus and electric vehicle using the same |
| 01/12/1994 | CN2152613Y Airspace harmonic wave enhanced air medium ultrasonic transducer |
| 01/06/1994 | WO1994000835A1 Holder for ultrasonic power converters |
| 01/06/1994 | WO1994000497A1 Continuous ultrasonic devulcanization of vulcanized elastomers |
| 01/06/1994 | CA2044335A1 Submersible electro-acoustic transducer |
| 01/05/1994 | EP0577444A1 Control device of a vibrator with variable imbalance |