Patents
Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020)
02/1999
02/16/1999US5871277 For imparting vibrations to cause the flow of bulk particulate matter
02/11/1999DE19742379C1 Ultrasonic therapy device operating method
02/09/1999US5870351 Broadband microfabriated ultrasonic transducer and method of fabrication
02/09/1999US5869767 Ultrasonic transducer
02/04/1999DE19741749C1 Polyvinylidene fluoride membrane hydrophone with erosion-resistant metal electrodes
02/03/1999EP0894562A1 Ultrasonic apparatus
02/03/1999EP0785826B1 Ultrasonic transducer array with apodized elevation focus
02/03/1999EP0738427A4 Ultrasonic transducer with selectable beamwidth and method
02/02/1999US5866815 For indicating the level of material in a container
02/02/1999US5865946 Arrangement in a drive unit for an ultrasound sealing unit
02/02/1999US5865163 Dicing saw alignment for array ultrasonic transducer fabrication
01/1999
01/28/1999DE19743096C1 Transmission antenna for sonar system for towing behind a waterborne vehicle
01/27/1999CN1205905A Video game system
01/21/1999WO1999002995A1 Bimorph piezoelectric device for acceleration sensor and method of its manufacture
01/20/1999EP0891154A1 Dual mode ultrasonic surgical apparatus
01/20/1999EP0840655B1 Ultrasound transducer
01/19/1999US5861686 Device for generating waking vibrations or sounds
01/14/1999WO1999001849A1 Vibrational transducer
01/14/1999CA2294587A1 Vibrational transducer
01/13/1999EP0890292A1 Ultrasonic transducers method for fixing ultrasonic transducers and high output power ultrasonic transducers
01/12/1999US5857974 For facilitating providing images from within a cavity
01/07/1999EP0723651B1 Method and device for measuring ultrasonic activity in an ultrasound delivery system
01/05/1999US5856956 Piezoelectric acoustic transducer
01/05/1999US5855706 Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces
01/05/1999US5855049 Method of producing an ultrasound transducer
12/1998
12/29/1998US5852860 Ultrasonic phased array transducer with an ultralow impedance backfill and a method for making
12/23/1998WO1998058446A1 Rotating electric motor system capable of vibrating and method for operating a rotating electric motor capable of vibrating
12/23/1998WO1998058417A1 Systems for ultrasonically processing delicate parts
12/23/1998WO1998058416A1 Loudspeaker assembly
12/23/1998WO1998057761A1 Annunciator
12/23/1998EP0721668A4 Electromechanical transducer device
12/22/1998US5852794 Multiple frequency unambiguous phase detector for phacoemulsification system
12/16/1998EP0883447A1 Sound probe with multiple elements comprising a common earth electrode
12/16/1998CN1041239C Drive assembly for acoustic sources
12/16/1998CA2208499A1 Electrically audible motorized wheel assembly and method thereof
12/15/1998CA2142886C Electromagnetic transducer
12/15/1998CA2128623C Oscillator for continuous casting mold
12/08/1998US5846377 Method for processing workpieces by ultrasonic energy
12/03/1998WO1998053924A1 Flexural plate sound transducer having low resonant frequency
12/03/1998DE19724189A1 Tubular electroacoustic arrangement for generating ultrasonic energy
12/02/1998EP0881001A1 Electrodynamic transducer for underwater acoustics
12/01/1998US5844349 Composite autoclavable ultrasonic transducers and methods of making
12/01/1998US5843109 For disruption/removal of unwanted material from an animal body
11/1998
11/26/1998WO1998053508A1 Feedback control system for ultrasound probe
11/26/1998CA2290561A1 Feedback control system for ultrasound probe
11/25/1998EP0879649A1 Air-Driven Vibrator
11/25/1998EP0595849B1 Use of composite piezoelectric transducer for ultrasonic therapy apparatus
11/25/1998CN1199601A Pneumatic vibrator
11/24/1998US5841736 Low voltage piezoelectric transducer and method
11/24/1998US5841027 For measuring the flow rate of a fluid
11/24/1998US5840031 Catheters for imaging, sensing electrical potentials and ablating tissue
11/18/1998EP0799469B1 Directional acoustic transducer
11/18/1998CN1040822C Electromagnetic transducer
11/17/1998US5836204 Vibration generator and machine with such a generator
11/17/1998US5836203 Magnetically excited flexural plate wave apparatus
11/17/1998US5836192 Device for monitoring a predetermined level of a liquid in a container
11/12/1998WO1998050171A1 Device for generating directed vibrations
11/12/1998DE19741413A1 Vorrichtung zum Erzeugen gerichteter Schwingungen Apparatus for producing directional vibrations
11/10/1998US5835453 Electrostrictive acoustic projector and polymers used therein
11/10/1998US5835006 Vibrator assembly
11/10/1998US5834880 Multilayer array ultrasonic transducers
11/10/1998US5834877 Ultrasonic transducer units for web detection and the like
11/10/1998US5834871 System for delivering ultrasound to liquid
11/10/1998US5834650 Vibration detecting sensor
11/10/1998US5834649 Vibration sensor including a movable magnet positioned between stationary magnets
11/10/1998US5834552 Rubber composition and process for producing thereof
11/05/1998WO1998049866A1 Low voltage piezoelectric transducer and method
11/05/1998WO1998049671A1 Acoustic apparatus and method
11/05/1998WO1998049009A1 Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces
11/04/1998EP0875739A1 Device for determining and/or monitoring of a predefined liquid level in a container
11/04/1998EP0875301A2 Methods and devices for controlling the vibration of ultrasonic transmission components
11/04/1998EP0874975A1 Mass flowmeter
11/03/1998US5832412 Programmable digital frequency ultrasonic generator
11/03/1998US5829304 Simple inexpensive vibrator
10/1998
10/29/1998WO1998048119A1 Compactor for compacting soil
10/29/1998DE19717703A1 Rotary oscillator for torsional testing apparatus
10/28/1998EP0702622B1 A method of controlling the power of a welding unit in ultrasonic welding operations and an arrangement for carrying out the method
10/28/1998CN1197363A Element for reproducing and/or recording sound
10/28/1998CA2236238A1 Methods and devices for controlling the vibration of ultrasonic transmission components
10/27/1998US5828295 Mode tracking transducer driver for a non-linear transducer
10/27/1998US5828156 Ultrasonic apparatus
10/27/1998US5827198 Low-cost, disposable, polymer-based, differential output flexure sensor and method of fabricating same
10/27/1998CA2176162C Low distortion hydrophone
10/21/1998EP0872285A2 Composite transducer with connective backing block
10/21/1998CN1196862A Ultrasonic transducer
10/20/1998US5825663 Vibration control system
10/20/1998US5825297 Taut armature reciprocating impulse transducer
10/20/1998US5825119 For detecting a solid particle in a fluid
10/20/1998US5825117 Second harmonic imaging transducers
10/20/1998US5824233 Micromechanical component with a dielectric movable structure, microsystem, and production process
10/20/1998US5823962 Ultrasound transducer for diagnostic and therapeutic use
10/14/1998EP0871345A1 Element for reproducing and/or recording sound
10/14/1998CN1196159A Taut armature resonant impulse transducer
10/13/1998US5821657 Electromagnetic vibratory feeder with rare earth magnet
10/13/1998US5820564 Method and apparatus for surface ultrasound imaging
10/13/1998US5820011 Used in ultrasonic machining and welding; main body is heat treatable aluminum alloy and ceramic tool
10/08/1998WO1998043749A1 Device for stimulating an electro-acoustic transformer
10/08/1998WO1998043748A1 Device for stimulating an electro-acoustic transformer
10/08/1998DE19713746A1 Sensor for simultaneous raster scan microscopy and optical short distance microscopy
10/06/1998US5818135 Vibration generator for generating a directed vibration