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Class Information
Number: 181/158
Name: Acoustics > Diaphragm > Microphone type
Description: Subject matter wherein the diaphragm is designed specifically for use in a microphone.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8492957 Apparatus for generating electric energy Jul. 23, 2013
8443934 Acoustic resistance member and method for making the same May. 21, 2013
8111855 Microphone assembly and a portable electronic device using the microphone assembly Feb. 7, 2012
7946379 Filter assembly May. 24, 2011
7753167 Silencer Jul. 13, 2010
7711135 Sounding device May. 4, 2010
7610670 Method for manufacturing a diaphragm assembly Nov. 3, 2009
7292696 Electret capacitor microphone Nov. 6, 2007
7287327 Electret capacitor microphone and method for producing the same Oct. 30, 2007
7248703 Systems and methods for adaptive noise cancellation Jul. 24, 2007
7219763 Microphone assembly fitted to vehicle-mounted control module panel, that fits well May. 22, 2007
7165647 Mechanical acoustic filter by erosion etching Jan. 23, 2007
7074296 In-ear hearing aid and method for its manufacture Jul. 11, 2006
7065224 Microphone for a hearing aid or listening device with improved internal damping and foreign material protection Jun. 20, 2006
6857501 Method of forming parylene-diaphragm piezoelectric acoustic transducers Feb. 22, 2005
6851512 Modular microphone array for surround sound recording Feb. 8, 2005
6813364 Electric/acoustic transducer module, in-ear hearing aid and method for manufacturing an in-ear hearing aid Nov. 2, 2004
6418229 Directional microphone, in particular having symmetrical directivity Jul. 9, 2002
6403039 Catalytic converter for a small engine and method for manufacturing the same Jun. 11, 2002
6122383 Device for reducing noise Sep. 19, 2000
6109386 Honeycomb body with a flattened cross-sectional region and a method for producing the honeycomb body Aug. 29, 2000
5590211 Microphone Dec. 31, 1996
5359157 Contact type indirect conduction, vibrating type microphone Oct. 25, 1994
5349140 Microphone windscreen Sep. 20, 1994
5329593 Noise cancelling microphone Jul. 12, 1994
5288955 Wind noise and vibration noise reducing microphone Feb. 22, 1994
5285024 Microphone Feb. 8, 1994
5103927 Variable pattern, collapsible, directional transducer Apr. 14, 1992
4981194 Electro-acoustic transducer Jan. 1, 1991
4975966 Reducing microphone puff noise Dec. 4, 1990
4967874 Microphone baffle apparatus Nov. 6, 1990
4966252 Microphone windscreen and method of fabricating the same Oct. 30, 1990
4887693 Wind and breath noise protector for microphones Dec. 19, 1989
4858719 Pressure gradient pickup Aug. 22, 1989
4837833 Microphone with frequency pre-emphasis channel plate Jun. 6, 1989
4815560 Microphone with frequency pre-emphasis Mar. 28, 1989
4789044 Narrow directional microphone Dec. 6, 1988
4776019 Diaphragm for use in condenser microphone type detector Oct. 4, 1988
4768614 Unidirectional enhancer for microphones Sep. 6, 1988
4658932 Simulated binaural recording system Apr. 21, 1987
4653606 Electroacoustic device with broad frequency range directional response Mar. 31, 1987
4648480 Condenser microphone having resistance against high-temperature and radioactive rays Mar. 10, 1987
4646873 Microphone and acoustic equalizer therefor Mar. 3, 1987
4640382 Acoustic frictional resistance construction and method of producing an acoustic frictional resistance using a laser Feb. 3, 1987
4625827 Microphone windscreen Dec. 2, 1986
4625828 Acoustic reflector for ground plane microphone Dec. 2, 1986
4620605 Suspension for electro-acoustical transducers Nov. 4, 1986
4600077 Microphone wind shroud Jul. 15, 1986
4555598 Teleconferencing acoustic transducer Nov. 26, 1985
4508192 Microphone diaphragm Apr. 2, 1985

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