Patents
Sitemap › G10 - Musical instruments; Acoustics › G10K - Sound-producing devices; methods or devices for protecting against, or for damping, noise or other acoustic waves in general; Acoustics not otherwise provided for › G10K 15 - Acoustics not otherwise provided for
Patents for G10K 15 - Acoustics not otherwise provided for (7,779)
12/1990
12/19/1990CN2067526U Toast cup
12/19/1990CN1047810A Position-sensitive educational product
12/12/1990CN2067447U Firecracker sound electronic playback device
12/05/1990EP0400977A1 Ultrasonic systems
12/05/1990EP0400294A2 Pulse circuit for a lithotriptor
11/1990
11/07/1990CN2065351U Back-locked door bell
11/07/1990CN2064993U Flash and musical handcraft hat with trimming
11/01/1990WO1990013109A1 Sound synthesizer in a vehicle
10/1990
10/31/1990DE3929457A1 Spark discharge regulation esp. for electrohydraulic surface cleaning - generates signals to adjust electrode to workpiece distance in relation to variations from ideal discharge current impulse
10/31/1990CN2064966U Multifunctional musical set light
10/30/1990US4966132 Remote spark shock wave generator
10/30/1990US4966051 Effect tone generating apparatus
10/23/1990US4964303 Acoustic positioning and orientation prediction
10/16/1990US4962753 A method and device for improving the discharge regime between two electrodes
10/04/1990WO1990011052A1 Apparatus for triggering shock waves
10/04/1990WO1990011051A1 Apparatus for comminuting concretions in the body of a patient
10/03/1990EP0390037A2 Pitch shift apparatus
10/03/1990EP0389531A1 Device for generating shock waves fitted with an ellipsoidal reflector
10/03/1990EP0207084B1 Spatial reverberation
09/1990
09/12/1990EP0386846A1 Electro-acoustic system
09/11/1990US4955143 Apparatus and method for controlling and adjusting the geometric relationship between electrode tips of an underwater spark device
09/05/1990EP0385166A2 Theater system
09/04/1990US4955057 Reverb generator
08/1990
08/28/1990US4953212 Auto voice changing apparatus
08/28/1990US4952797 System and method for optically controlled acoustic transmission and reception
08/21/1990CA1272923A1 Apparatus for generating high pressure by underwater shock wave
08/16/1990EP0382228A1 Device to adjust the position of elongated electrodes
08/16/1990EP0382021A2 Position-sensitive educational product
08/15/1990CN2060588U Playing and singing type pickup
08/15/1990CN2060587U Funeral and interment music box
08/14/1990US4949068 Motorcycle sound simulator for a child's toy
08/10/1990CA2008423A1 Position-sensitive educational product
08/07/1990US4945898 Power supply
08/07/1990CA1272390A1 Method and apparatus for sensing a measurand
07/1990
07/26/1990WO1990008009A1 Device for obtaining focused shock waves
07/24/1990US4944014 Method for synthesizing echo effect from digital speech data
07/17/1990CA1271845A1 Electronic sound synthesizer
07/10/1990US4941135 Ultrasonic field generating device
07/10/1990US4940050 Device for ensuring the proper positioning of electrodes in a lithotripter
07/04/1990EP0376510A2 Automotive audio system
07/03/1990US4938781 Method of orienting electrode tips
06/1990
06/19/1990US4934353 Lithotripter having rotatable valve for removal of electrode structure
06/12/1990US4933980 Sound effects generator
06/12/1990US4932954 Apparatus for fragmentation of a solid body surrounded by a fluid
06/05/1990US4932007 Fish behavior control system
05/1990
05/31/1990DE3840126A1 Protection device for a fibre-coupled laser lithotriptor
05/23/1990DE3938312A1 Generating source audio data
05/23/1990DE3938311A1 Source audio data generator
05/08/1990CA1268851A1 Method and apparatus for generating underwater acoustics
04/1990
04/25/1990EP0365023A2 Address control circuit for data memory employed in signal delay circuit
04/17/1990US4917373 Interactive system for self-accompaniment by mobile performers
04/11/1990EP0362529A1 Combined shock wave generator
04/10/1990US4915094 Apparatus for generating high frequency shock waves of which the electrical supply connection is disposed inside a tubular element, limiting or preventing electro-magnetic leakages
03/1990
03/29/1990DE3832644A1 Coupling a sound-emission pick-up to a sound-emitting or sound-transmitting part
03/28/1990EP0360449A2 Acoustic transducing arrangements and methods
03/28/1990EP0359863A1 High voltage generator and method for producing a high-voltage pulse with a large current for driving a shock-wave generator
03/28/1990CN1007317B Blast wave generating apparatus
03/06/1990US4905674 Electrode construction for replacement of worn electrodes in a lithotripter
03/06/1990US4905673 Arc discharge for shock wave generation
02/1990
02/13/1990US4900921 System and method for opto-acoustic liquid quantity measurement and transducer therefor
02/13/1990CA1265846A1 Electrode for fiber optic scopes
01/1990
01/17/1990CN1006444B Intermittent explosion device
01/16/1990US4893614 Apparatus for disintegrating a calculus by an underwater shock wave from outside the human body
01/11/1990WO1990000095A1 Frequency controlled motor driven low frequency sound generator
01/10/1990EP0349915A1 Method and apparatus for adjusting the spark gap of a non-invasive lithotriptor
01/02/1990US4890603 Extracorporeal shock wave lithotripsy employing non-focused, spherical-sector shock waves
12/1989
12/07/1989DE3817996A1 Verfahren zur erzeugung von stosswellen und dazu geeigneter stosswellengenerator Process for the production of shock waves and shock wave generator suitable to
11/1989
11/30/1989WO1989011665A1 Seismic wave generating apparatus
11/30/1989WO1989011251A1 Process for generating shock waves and shock wave generator for implementing said process
11/16/1989WO1989011042A1 A method for producing pressure pulses in a mass of gas and a device for performing the method
11/16/1989DE3914630A1 Device for supplying an aural-signal loudspeaker
11/02/1989EP0340015A2 Antipilferage tags and systems
10/1989
10/31/1989US4878210 Visualizing method for three dimensional standing wave sound field
10/31/1989US4877516 Manipulating particulate matter
10/26/1989DE3812144A1 Circuit arrangement for emitting acoustic alarm signals for alarm signalling systems
10/18/1989EP0337458A2 Apparatus for synthesizing analog signals in PCM
10/18/1989EP0211911B1 Process and device for scaring away birds
10/05/1989WO1989009465A1 Electro-acoustical system
10/04/1989EP0335468A1 Electro-acoustical system
09/1989
09/28/1989DE3905416A1 Verfahren und vorrichtung zur umsetzung von rohrwellen in koerperwellen, zur seismischen exploration Method and device for implementation of tube waves in koerperwellen, seismic exploration
09/28/1989DE3834645A1 Verfahren zum aufzeichnen und wiedergeben einer bildinformation A method for recording and reproducing an image information
09/19/1989US4868791 Method and apparatus for detecting and correcting the positions of electrodes, in particular in shock wave generator apparatus using a feeler finger, e.g. the rod of an actuator, movable to the focus
09/19/1989US4866807 Toothbrush
09/12/1989US4866330 Device for advancing an electrode-holder element and use thereof in a shock wave generating apparatus
09/12/1989CA1259398A1 Seismic impulse source transducer
09/08/1989WO1989008234A1 Process and device for triggering an avalanche
08/1989
08/30/1989EP0329849A1 Variable shock waves energy through an adapted ohmic consumption
08/22/1989US4858717 Acoustic convective system
08/09/1989EP0326701A2 Piezoelectric shockwaves source
08/09/1989EP0326620A1 Isolation of gas in hydraulic spark gap shock wave generator
08/08/1989US4856064 Sound field control apparatus
08/01/1989US4852685 Dripping sound generating apparatus
07/1989
07/20/1989DE3844419A1 Underwater discharger for crushing concrements
07/05/1989EP0322871A2 Effect tone generating apparatus
07/05/1989EP0322473A1 Degassification of water in hydraulic spark gap shock wave generator
07/05/1989CN2040665U Multi recerving end single-spring resound device
07/05/1989CN2040391U Music rolling bell
07/04/1989US4845758 Equalizer with adjustable band filters and a digital filter suitable for use in the equalizer
07/04/1989US4844081 Device for disintegrating kidney stones by means of shock waves
06/1989
06/20/1989US4841495 Horn loaded transducer for acoustic levitation
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