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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 4458778 |
Stethoscope construction |
Jul. 10, 1984 |
| 4450930 |
Microphone with stepped response |
May. 29, 1984 |
| 4447678 |
Electracoustic transducer |
May. 8, 1984 |
| 4436966 |
Conference microphone unit |
Mar. 13, 1984 |
| 4410770 |
Directional microphone |
Oct. 18, 1983 |
| 4401859 |
Directional microphone with high frequency selective acoustic lens |
Aug. 30, 1983 |
| 4151777 |
Piano sound pickup method and device |
May. 1, 1979 |
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