Patents
Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020)
03/2004
03/11/2004DE10220056B4 Kompensationsvorrichtung sowie Verfahren zum Anfahren einer derartigen Vorrichtung Compensation apparatus and method for starting such a device
03/10/2004EP1396720A2 Apparatus and method for detection of material discontinuities by using electromagnetic acoustic transducers
03/10/2004EP1396172A2 Wideband transducer
03/10/2004EP1396012A2 Piezoelectric drive
03/10/2004EP1395197A1 Ultrasonic shaping instrument
03/10/2004CN2605935Y Vibrating source
03/10/2004CN2605934Y Active vibration absorbor with super magnetostrictive actuator
03/10/2004CN1481284A Method for making multielement acoustic probe using metallised and ablated polymer as ground plane
03/10/2004CN1480273A Variable speed gear with nonsinusoidal vibration in continuous casting crystallizer
03/10/2004CN1480100A Supersonic probe and its mfg. method
03/09/2004US6702102 Exciter mass assembly for a vibratory device
03/04/2004WO2003092915A3 Array of membrane ultrasound transducers
03/04/2004WO2002078099A3 Method for shaping laminar piezoelectric actuators and sensors and related device.
03/04/2004US20040043423 Heat resistant resonant sensors for monitoring adjustments in forces applied to surface membrane and/or surface property changes of sensor membranes; high throughput assay
03/04/2004DE10235844A1 Acoustic electrical transducer, comprises a primary electrode, a secondary electrode, an electrically insulating material and a membrane
03/03/2004EP1394538A1 Ultrasound low frequency composition converter provided with mode switch
03/03/2004EP1392494A1 Method for machining, such as soldering or deformation, a workpiece
03/03/2004CN1479886A Method for maintaining oscillations of vibrating device and vibrating device using same
03/03/2004CN1478440A Separation of and used method for transmitting and recieving in ultrasonic scanning
03/03/2004CN1478439A Compound piezoelectrics
03/02/2004US6701039 Switching device, in particular for optical applications
03/02/2004US6700715 Oscillation damping system
03/02/2004US6700303 Piezoelectric element
03/02/2004US6700250 Vibration motor
03/02/2004US6700075 Reduced crosstalk ultrasonic piezo film array on a printed circuit board
03/02/2004US6698974 System for electrically powering and vibrating a compacting roller
02/2004
02/26/2004WO2004017369A2 Piezoelectric transducer with gas matrix
02/26/2004WO2004017062A1 The method and device for accelerating molecular hybridization by ultrasonic wave
02/26/2004US20040039294 Biophysical sensor
02/26/2004US20040038195 Microresonant sensors and methods of use thereof
02/25/2004CN1478317A Vibration motor and apparatus using the same
02/25/2004CN1478010A Compaction device for compacting moulded bodies from granular substances and method thereof
02/24/2004US6695439 Piezoelectric transducer and liquid droplet ejection device
02/19/2004WO2004016036A2 Micromachined ultrasonic transducers and method of fabrication
02/19/2004WO2003057310A3 Liquid sample processing apparatus and method
02/19/2004US20040032795 Device for generating focused elastic waves in a material medium such as underground, and method using same
02/19/2004US20040032188 Piezoelectric transducer with gas matrix
02/19/2004US20040031648 Device unit for generating a reciprocating driving motion for driving movable machine elements
02/18/2004CN2603705Y Pneumatic hammer
02/18/2004CN1476376A Method and device for compressing granular materials
02/18/2004CN1139173C 振动发生机构 Vibration generating means
02/18/2004CN1138588C 振动适配器 Vibration adapter
02/17/2004US6692440 Ultrasonic diagnostic apparatus
02/17/2004US6691577 Ultrasonic moving-speed measuring system
02/17/2004US6691387 Method of using a two-dimensional transducer array
02/12/2004WO2003103018A3 Portable electronic apparatus
02/12/2004US20040028472 Compactor
02/12/2004US20040025608 Controllable vibration generator
02/12/2004US20040025342 Surface with varying electrical or magnetic properties
02/11/2004EP1387917A1 Internal vibrator for concrete compacting
02/10/2004US6690621 Active housing broadband tonpilz transducer
02/10/2004CA2137185C High power, very low frequency acoustic wave transmission process and associated transducers
02/05/2004WO2004011210A2 Apparatus and method for cutting sheet-type work material using a blade reciprocated via a tuned resonator
02/05/2004WO2003083466A3 Apparatus and method for acoustically investigating a borehole by using a phased array sensor
02/05/2004US20040024320 Ultrasonograph, ultrasonic transducer, examining instrument, and ultrasonographing device
02/05/2004US20040021402 Low acceleration sensitivity mounting structures for crystal resonators
02/05/2004DE10226589B4 Vibrationsmotor Vibration motor
02/04/2004EP1385690A1 Method of material property modification with ultrasonic energy
02/04/2004CN1472590A Electronic camera
02/03/2004US6686833 Compound acoustic actuator drive circuit and portable information terminal
02/03/2004US6685660 Massage vibrator for the relief of aches and pain
02/03/2004US6685647 Acoustic imaging systems adaptable for use with low drive voltages
02/03/2004US6684681 Mechanical ultrasonic and high frequency sonic device
01/2004
01/29/2004WO2004010730A2 Ultrasonic transducer for electronic devices
01/29/2004WO2004010592A2 Handheld device having ultrasonic transducer for axial transmission of acoustic signals
01/29/2004WO2004009255A1 An air-driven low frequency sound generator and a method for regulating the piston in such a generator
01/29/2004WO2003100876A3 Low acceleration sensitivity mounting structures for crystal resonators
01/29/2004US20040017133 Piezoelectric/electrostrictive device and method of manufacturing same
01/29/2004DE10328827A1 Sende- und Empfangsisolation für ein Ultraschallabtasten und Verfahren der Verwendung Transmit and receive isolation for an Ultraschallabtasten and methods of use
01/29/2004DE10229112A1 Schaltkreis für eine elektromagnetische Quelle zur Erzeugung akustischer Wellen Switching circuit for an electromagnetic source for generating acoustic waves
01/28/2004EP1385262A1 Mobile terminal with electromagnetic actuator
01/28/2004EP1384525A2 Composite piezoelectric transducer and method of fabricating the same
01/28/2004EP1384388A1 Electromechanical transducer and method for transforming energies
01/28/2004EP1383616A1 Controller for an unbalanced mass adjusting unit of a soil compacting device
01/27/2004US6682488 Ultrasound probe with progressive element sizing
01/22/2004WO2004007098A1 High frequency and multi frequency band ultrasound transducers based on ceramic films
01/22/2004WO2004007097A1 Acoustic-signal emitting device for vehicles
01/22/2004US20040013449 Ultrasonic vibration tool, fixing device, and heating device
01/22/2004US20040012310 Piezoelectric/electrostrictive device
01/22/2004US20040012307 Ultrasonic transducer and method of manufacturing the same
01/22/2004US20040011134 Ultrasonic probe and manufacturing method thereof
01/22/2004DE10328840A1 Mehrdimensionale Transduceranordnungen und Verfahren zu deren Herstellung Multi-dimensional transducer assemblies, and methods for their preparation
01/22/2004CA2488603A1 Acoustic-signal emitting device for vehicles
01/21/2004EP1382301A1 Ultrasonic probe and manufacturing method thereof
01/21/2004CN2600182Y Vibration exciter for oscillating screen
01/21/2004CN1468663A High-stability supersonic transducer and its making process
01/21/2004CN1135146C Welding tool
01/20/2004US6681025 Electromechanical and electroacoustic transducer
01/20/2004US6680590 Vibration motor and apparatus using the same
01/20/2004US6679776 Video game system
01/15/2004WO2004006620A1 Electroacoustic transducer
01/15/2004US20040008568 Vibrating machine for extracting, mixing and separating organic and inorganic materials both in liquid and powder form
01/15/2004US20040008241 Actuator device, liquid ejection head, and method of inspecting the same
01/15/2004US20040008105 Method for maintaining oscillations of a vibrating device and vibrating device using same
01/15/2004US20040007945 Matching circuit for megasonic transducer device
01/15/2004US20040007292 Comprises sealed furnace and vibrating diaphragm which vibrates gases within
01/14/2004EP1380370A2 Method for propagating vibration into a conductive fluid and method for solidifying a melted metal using the same propagating method of vibration
01/14/2004CN2598666Y Superhigh pressure fluid nanometer collision generating device
01/14/2004CN2598665Y Variable frequency amplitude-modulation vibration moulding machine
01/14/2004CN1467974A Piezoelectric electroacoustic convertor
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