СПИСОК патентов США - подгруппа МПК16 H04R1/38


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№ п/п Номер патента Название патента

2017

19602908Set of headphones and headphone cable

2016

29516426Electrostatic membrane pump/transducer and methods to make and use same
39313580Audio speaking having an electrostatic membrane pump and methods to use same
49264798Dual cartridge directional microphone
59247359Transducer, a hearing aid comprising the transducer and a method of operating the transducer
69232318Hearing device with a microphone

2015

79094748Dynamic microphone unit and dynamic microphone
89060216Voice acquisition system for vehicle

2013

98515091Forwarding an audio signal in an immersive audio conference system

2012

108116499Microphone adaptor for altering the geometry of a microphone without altering its frequency response characteristics

2007

117252176Reflex-ported folded horn enclosure
127207413Closed loop embedded audio transmission line technology for loudspeaker enclosures and systems
137201252Loudspeaker systems

2004

146798890Directional microphone assembly
156788796Differential microphone
166690806Various directional/omni-directional hearing aid microphone and housing structures
176674996Mobile phone accessory, particularly for the hands-free function, and an arrangement

2003

186647118Noise canceling microphone unit for composing noise canceling handset by using normal housing
196587569Differential-pressure microphone

2002

206421444Embedded higher order microphone

2000

216031922Microphone systems of reduced in situ acceleration sensitivity

1999

225969838System for attenuation of noise
235870485Computer visual display monitor with integral stereo speaker and directional microphone and method for construction

1997

245703957Directional microphone assembly
255682418Structure for mounting a microphone on a portable radio telephone
265651074Noise canceling gradient microphone assembly

1996

275586191Adjustable filter for differential microphones
285539834Baffled microphone assembly

1994

295329593Noise cancelling microphone
305303307Adjustable filter for differential microphones

1993

315268965User selectable noise canceling for portable microphones
325226076Directional microphone assembly
335216711Telephone handset including directional microphone module
345214709Hearing aid for persons with an impaired hearing faculty
355204907Noise cancelling microphone and boot mounting arrangement

1992

365121426Loudspeaking telephone station including directional microphone

1991

375029215Automatic calibrating apparatus and method for second-order gradient microphone

1990

384975966Reducing microphone puff noise
394965775Image derived directional microphones

1989

404887300Pressure gradient microphone
414858719Pressure gradient pickup
424850016Microphone
434817168Directional microphone

1988

444789044Narrow directional microphone

1987

454694499Directional microphone with acoustic washer
464685137Microphone with non-symmetrical directivity pattern

1986

474633045Differential microphone

1984

484463222Noise canceling transmitter
494456796Unidirectional electret microphone

1983

504410770Directional microphone
514401859Directional microphone with high frequency selective acoustic lens

1982

524340787Electroacoustic transducer

1981

534258235Pressure gradient electret microphone

1979

544174469Adjustable directivity microphone incorporated in a tape recorder casing
554170721Microphone with molded block amplifier electrostatic
564142072Directional/omnidirectional hearing aid microphone with support

1977

574041251Hearing aid to be worn behind the ear of the user and provided with a pressure-gradient microphone
584009355Reversible anti-noise microphone

1976

593995124Noise cancelling microphone
603963881Unidirectional condenser microphone
613940575Directional microphone
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017