Patents for G10K 15 - Acoustics not otherwise provided for (7,779)
04/1980
04/22/1980US4198880 Rotor drive for pulsato apparatus
04/15/1980CA1075612A1 Binaural sound reproducing system with acoustic reverberation unit
04/02/1980EP0009295A1 Infrared light communication equipment
03/1980
03/25/1980US4194426 Echo effect circuit for an electronic musical instrument
03/11/1980US4193060 Control circuit for a tone generator
03/11/1980CA1073265A1 Equipment with initiator generating a shock wave and with a damping device
03/04/1980US4191189 Stone disintegrator
02/1980
02/05/1980CA1071109A1 Mechanical artificial reverberation apparatus
01/1980
01/29/1980CA1070819A1 Implosion acoustic impulse generator
01/01/1980US4181820 Electric reverberation apparatus
12/1979
12/25/1979US4180139 Fluid operated seismic generator
12/18/1979USRE30174 Sound simulator for model steam engine
12/18/1979US4179690 Two-tone audible warning circuits
12/18/1979CA1068139A1 Programmable electronic siren
12/11/1979CA1067828A1 Audio system with enhanced spatial effect
10/1979
10/02/1979US4169662 Method and apparatus for producing acoustic waves by laser pulses
07/1979
07/24/1979US4162475 Transducer utilizing sampling
07/10/1979US4160339 Toy flying vehicle including sound effect generator
06/1979
06/13/1979EP0002413A1 Method and apparatus for recording sound in a room
06/05/1979US4157511 Electronic reverberation device
03/1979
03/20/1979US4144767 Method and apparatus for producing pulse-shaped acoustic waves on a workpiece surface
02/1979
02/27/1979US4142188 Method and apparatus for monitoring sound-conducting media
02/13/1979US4139806 Acoustic driving of rotor
02/08/1979WO1979000046A1 A dereverberation system
02/06/1979US4137991 Clamped acoustic elastic wave generator
02/06/1979US4137778 Method and apparatus for producing ultrasonic waves in light absorbing surfaces of workpieces
01/1979
01/16/1979US4135146 Portable handclap generator
11/1978
11/21/1978US4126829 Electronic echo apparatus
11/14/1978US4125898 Digitally shaped noise generating system
10/1978
10/24/1978US4121469 Method and apparatus for producing a pulse type ultrasonic wave on a workpiece surface
10/10/1978US4119933 Mechanical artificial reverberation apparatus
09/1978
09/12/1978US4114080 Explosion simulating device
09/05/1978US4112396 Echo annexation device
08/1978
08/29/1978US4109608 Sound producing device
08/15/1978CA1036503A1 Special effects generation and control system for motion pictures
08/08/1978US4105864 Stereo and spaciousness reverberation system using random access memory and multiplex
07/1978
07/04/1978US4099135 Electronic echo device
06/1978
06/13/1978CA1033048A1 Implosion sound wave generating device
06/06/1978US4093820 Electronic echo generation equipment
05/1978
05/23/1978US4090400 Methods and apparatus for the non-destructive testing of bonded articles
05/02/1978US4087633 Dereverberation system
05/02/1978US4087629 Binaural sound reproducing system with acoustic reverberation unit
04/1978
04/18/1978US4085170 Bubbling, electrical spark discharge
12/1977
12/27/1977US4065767 Programmable electronic siren
12/13/1977US4063034 Audio system with enhanced spatial effect
11/1977
11/01/1977US4055914 Sound producing device
08/1977
08/23/1977US4043176 Acoustic white noise generator
08/02/1977US4039750 Audio frequency phase modulator in hearing test system
08/02/1977US4039042 Acoustical sparker probe apparatus
07/1977
07/12/1977US4034741 Noise generator and transmitter
05/1977
05/10/1977US4023078 Printed circuit board for a solid-state sound effect generating system
04/1977
04/12/1977US4017685 Planetary acoustic phase shift mechanism
03/1977
03/15/1977US4012711 Process and apparatus for recording acoustical holograms
02/1977
02/08/1977US4007332 Artificial reverberation system
01/1977
01/25/1977US4005268 Solid state echo producing system
01/25/1977US4004737 Continuous high velocity fluid jet system
01/04/1977US4001816 Electronic chime
12/1976
12/14/1976US3997022 Device for generating acoustic waves by implosion
11/1976
11/30/1976US3994282 Heart-beat electronic simulator
11/23/1976US3993043 Portable sleep inducer
11/16/1976US3992582 Reverberation sound producing apparatus
10/1976
10/05/1976US3983749 Annular arc accelerator shock tube
09/1976
09/14/1976US3980828 Reverberation system with extended frequency response
09/07/1976US3979695 High order beam mode resonator
09/07/1976US3978713 Laser generation of ultrasonic waves for nondestructive testing
08/1976
08/31/1976US3978421 Electrical musical instrument amplifier having improved tremolo circuit, improved reverberation control, and power reduction circuit for distortion mode operation
08/31/1976US3977291 Attenuator network for musical instrument keying system
08/10/1976US3973839 Special effects generation and control system for motion pictures
07/1976
07/27/1976US3971962 Linear transducer array for ultrasonic image conversion
07/20/1976US3970076 Apparatus for heart stimulation
06/1976
06/15/1976US3964052 Acoustical imaging system
06/08/1976US3962542 Choralizer apparatus and method
04/1976
04/06/1976US3949325 Audio equalizers for large rooms
03/1976
03/09/1976US3942531 Apparatus for breaking-up, without contact, concrements present in the body of a living being
02/1976
02/17/1976US3939437 All-pass reverberator with an MOS delay line
02/17/1976US3939436 Reverberation device
02/17/1976US3939305 Reverberation mixer circuit
02/10/1976US3938063 Cascade coupled coiled spring reverberation means
01/1976
01/20/1976US3933345 Zigzag arrangement of helical springs in devices for generating artificial reverberation
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