Patents
Sitemap › B06 - Generating or transmitting mechanical vibrations in general › B06B - Generating or transmitting mechanical vibrations in general › B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency
Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020)
11/1991
11/10/1991WO1991016997A1 Ultrasonic aerosol dispenser for hair lacquer
11/10/1991CA2082499A1 Ultrasonic aerosol dispenser for hair lacquer
11/07/1991DE3444424A1 Wound filament-type transducer array - for multidirectional sonar antenna
11/06/1991CN1055950A Method and apparatus for inducing transformations in waxes
11/06/1991CN1014588B Hydraulic vibration device capable of eliminating automatically piston device
11/05/1991US5063542 Piezoelectric transducer with displacement amplifier
11/05/1991CA2041628A1 Inter-element mounting for stacked piezoelectric transducers
10/1991
10/31/1991WO1991016799A1 Transformed stress direction acoustic transducer
10/31/1991WO1991016732A1 Piezo-electric resonant vibrator for a selective call receiver
10/31/1991DE4013663A1 Sound generator for building acoustic investigation - has striking which is spring-loaded in starting position
10/31/1991DE4013607A1 Ultrasonic piezoelectric systems - are controlled by one single generator for all plastics or metal welding, drilling or polishing, and washing or cleaning applications
10/31/1991CA2040964A1 Rf drive circuit for an ion projection printing head
10/30/1991EP0454188A2 Switching circuit in a dental handpiece
10/29/1991US5062089 Sonar projector with liquid mass loading for operation at lower frequency
10/29/1991US5061760 Vinylidene cyanide alternating copolymers exhibiting nonlinear optical and piezoelectric properties
10/29/1991US5060653 Ultrasonic sensor with starved dilatational modes
10/24/1991DE4030665C1 Regulating RPM of drive motor(s) of load-excited screening machine - supplying actual oscillating value to regulator and measuring resultant power output of motor(s)
10/23/1991EP0452516A1 Ultrasonic measuring head and method of use thereof
10/23/1991EP0452427A1 Electric horn with solid state driver.
10/22/1991US5059851 Miniature ultrasound high efficiency transducer assembly, guidewire using the same and method
10/22/1991US5059122 Dental scaler
10/17/1991WO1991012901A3 Electromechanical vibration generator and device using it
10/16/1991EP0451984A2 Ultrasonic probe system
10/16/1991EP0451375A2 Electrodynamic ultrasound-transducer
10/16/1991EP0451306A1 Frequency-selective laminated ultrasound transducer
10/15/1991US5058083 Flexducer preamplifier power controller
10/15/1991US5057588 Vinylidene cyanide alternating copolymers
10/09/1991EP0450868A2 Ultrasonic probe having a piezoelectric element
10/09/1991EP0450030A1 Electroacoustic unit for generating high sonic and ultrasonic intensities in gases and interphases
10/09/1991EP0219693B1 Method for operating a fluid-atomising ultrasonic atomiser
10/09/1991CN1055130A Centrifugal mechanical vibration exciter with crossed slide blocks
10/08/1991US5056069 Ultrasonic sensor
10/07/1991WO1991015307A1 Method and apparatus for inducing transformations in waxes
10/07/1991CA2079916A1 Method and apparatus for inducing transformations in waxes
10/02/1991EP0449286A1 Pile driver
10/02/1991EP0448887A2 Eccentric drive mechanism
10/02/1991CN2085681U Half-wave rectification electromagnetic vibrator
10/01/1991CA1289849C Hydraulic distributor for a percussion mechanism actuated by an incompressible fluid under pressure
09/1991
09/26/1991DE4109180A1 Shock-absorber with variable damping for motor vehicle - employs voltage-dependent deformation of piezoelectric discs coupled by variable-ratio lever to fluid channel
09/25/1991EP0366686A4 Vibrational power generator
09/25/1991CN1054735A Manufacturing method of high-strength plate-type filter fabric
09/25/1991CN1054728A Implement device and accelerate method for liquid and dispersible meterial
09/24/1991US5050666 Oscillation gear assembly provided for a mold of a continuous casting plant
09/24/1991US5050588 High energy ultrasonic lens assembly with mounting facets
09/24/1991US5050436 Ultrasonic probe and acoustic lens attachment
09/21/1991WO1991015090A1 Ultrasonic probe
09/21/1991CA2054698A1 Ultrasonic probe
09/19/1991WO1991013922A1 Vinylidene cyanide alternating copolymers
09/19/1991WO1991013591A1 Method and apparatus for ultrasonic surgical cutting
09/19/1991WO1991013588A1 Ultrasonic probe
09/18/1991EP0446755A1 Shaker
09/17/1991US5049853 Electric horn with solid state driver
09/15/1991WO1991013674A1 Particle manipulation in an ultrasonic field
09/15/1991CA2076649A1 Particle manipulation in an ultrasonic field
09/12/1991DE4007473A1 Cryo-scalpel for surgical operations - performs mechanical reciprocation of cutting blade incorporating heat exchanger
09/10/1991US5047997 Sonar projector with liquid mass loading for operation at lower frequency
09/10/1991US5047992 Electromagnetically induced acoustic well logging
09/10/1991US5047683 Hybrid transducer
09/05/1991WO1991013524A1 Ultrasonic probe and production method thereof
09/05/1991WO1991012901A2 Electromechanical vibration generator and device using it
09/04/1991EP0444578A2 Ultrasonic squirter
09/04/1991EP0444173A1 Device for determining and/or monitoring a predetermined volume in a container.
09/03/1991US5045746 Ultrasound array having trapezoidal oscillator elements and a method and apparatus for the manufacture thereof
09/03/1991US5044462 Focused planar transducer
09/03/1991US5044370 Probe with bar of piezoelectric elements for ultrasound apparatus
09/03/1991US5044053 Method of manufacturing a curved array ultrasonic transducer assembly
08/1991
08/28/1991CN2083512U Amplitude adjustable vibrater
08/27/1991US5042643 Elliptic vibratory part-feeding device
08/27/1991US5042611 Method and apparatus for cross-well seismic surveying
08/27/1991US5042493 Ultrasonic probe and method of manufacturing the same
08/27/1991CA1288159C Drive network for an ultrasonic probe
08/22/1991WO1991011960A1 High energy ultrasonic lens with mounting facets
08/21/1991EP0442510A1 Method and apparatus for ultrasonic liquid atomization
08/21/1991EP0442278A1 Device for wet therapy with ultrasound
08/20/1991US5041752 Apparatus for detecting and signalling the fall of bodies in water, particularly swimming pools
08/20/1991CA1287913C Ultrasonic transducers for on-line applications
08/15/1991WO1991012093A1 Method and device for generating an ultrasonic wave
08/15/1991CA2075049A1 Method and device for generating and ultrasonic wave
08/14/1991WO1991011958A1 Mri device used for generating pressure waves
08/14/1991EP0440655A1 Ultrasonic transducer comprising at least one row of ultrasonic elements.
08/14/1991CA2075935A1 Mri device used for generating pressure waves
08/07/1991CN2082202U Human body imitating vibration meter
08/06/1991US5038068 Thin film pattern and method of forming the same
08/06/1991US5038067 Acoustic transducer
08/06/1991US5037481 Megasonic cleaning method
08/06/1991US5037189 Cleaning apparatus for a mirror
08/06/1991US5036892 Automatic control system for filling beverage containers
07/1991
07/31/1991EP0438623A1 Calibrating or test method for a piezoceramic transducer used as a soundreceiver and transmitter
07/30/1991US5035510 Light weight, high efficiency vibrator apparatus for facilitating bulk material handling and transport
07/25/1991WO1991008842A3 Vibration generator
07/17/1991EP0437145A1 Piezoelectric transducer
07/17/1991EP0436809A2 Ultrasonic transducer using piezoelectric elements
07/17/1991CN1053091A Method for vibratory treatment of workpieces and device for carrying same into effect
07/16/1991US5033033 Ultrasonic systems
07/16/1991US5033032 Air-gap hydrophone
07/10/1991EP0436431A2 Low frequency hydrophone and sonar antenna using such hydrophones
07/09/1991US5030874 Ultrasonic probe
07/03/1991EP0435056A2 Method for continuous marking of elongated articles
07/03/1991EP0434980A2 Device for spraying liquid or solid materials, preferably melted metals
07/02/1991US5029268 Circuit arrangement for self-excitation of a mechanical oscillation system to natural resonant oscillations
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