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Class Information
Number: 381/360
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Housed microphone > Cavity
Description: Subject matter including a resonant acoustic space or similar structure designed to affect the acoustic characteristics of a microphone.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7596850 |
Method for temporarily inactivating a wireless communication device |
Oct. 6, 2009 |
| 7537964 |
Method of fabricating a miniature silicon condenser microphone |
May. 26, 2009 |
| 7412267 |
Mobile device with a combination attachment and acoustic port |
Aug. 12, 2008 |
| 7302073 |
Method of detecting and deterring microphone sabotage |
Nov. 27, 2007 |
| 7079663 |
Microphone |
Jul. 18, 2006 |
| 7013017 |
Microphone capsule support |
Mar. 14, 2006 |
| 6968070 |
Microphone |
Nov. 22, 2005 |
| 6721432 |
Microphone and video camera |
Apr. 13, 2004 |
| 6587569 |
Differential-pressure microphone |
Jul. 1, 2003 |
| 6477257 |
Directional microphone |
Nov. 5, 2002 |
| 6463159 |
Battery case structure of microphone of loudspeaker system |
Oct. 8, 2002 |
| 6351543 |
Micro-microphone |
Feb. 26, 2002 |
| 6154554 |
Microphone |
Nov. 28, 2000 |
| 6130952 |
Microphone |
Oct. 10, 2000 |
| 6108433 |
Method and apparatus for a magnetically induced speaker diaphragm |
Aug. 22, 2000 |
| 6091829 |
Microphone apparatus |
Jul. 18, 2000 |
| 5802198 |
Hermetically sealed condenser microphone |
Sep. 1, 1998 |
| 5442713 |
Microphone packaging scheme |
Aug. 15, 1995 |
| 5410608 |
Microphone |
Apr. 25, 1995 |
| 5365595 |
Sealed microphone assembly |
Nov. 15, 1994 |
| 5319717 |
Hearing aid microphone with modified high-frequency response |
Jun. 7, 1994 |
| 4937877 |
Modular microphone assembly |
Jun. 26, 1990 |
| 4885781 |
Frequency-selective sound transducer |
Dec. 5, 1989 |
| 4862507 |
Microphone acoustical polar pattern converter |
Aug. 29, 1989 |
| 4843628 |
Inertial microphone/receiver with extended frequency response |
Jun. 27, 1989 |
| 4777650 |
Dual cavity pressure microphones |
Oct. 11, 1988 |
| 4697334 |
Method of producing electroacoustic converters, preferably microphones, and converters produced according to the method |
Oct. 6, 1987 |
| 4511768 |
Mounting arrangement for altering a microphone's frequency response |
Apr. 16, 1985 |
| 4450930 |
Microphone with stepped response |
May. 29, 1984 |
| 4401859 |
Directional microphone with high frequency selective acoustic lens |
Aug. 30, 1983 |
| 4363937 |
Sound inlet for microphones |
Dec. 14, 1982 |
| 4361736 |
Pressure recording process and device |
Nov. 30, 1982 |
| 4170721 |
Microphone with molded block amplifier electrostatic |
Oct. 9, 1979 |
| 4078155 |
Telephone apparatus for use in a conference room |
Mar. 7, 1978 |
| 4038502 |
Acoustic coupling structure for microphone |
Jul. 26, 1977 |
| 4002863 |
Transducer and method of making same |
Jan. 11, 1977 |
| 3989905 |
Microphone |
Nov. 2, 1976 |
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