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Class Information
Number: 381/71.6
Name: Electrical audio signal processing systems and devices > Acoustical noise or sound cancellation > Adjacent ear
Description: Subject matter wherein the noise cancellation system is associated with a structure in a manner designed to cancel noise in the immediate vicinity of a person"s ears.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7574012 |
Hearing aid with noise suppression, and operating method therefor |
Aug. 11, 2009 |
| 7499555 |
Personal communication method and apparatus with acoustic stray field cancellation |
Mar. 3, 2009 |
| 7489785 |
Noise cancellation system and headphone therefor |
Feb. 10, 2009 |
| 7474754 |
Method for canceling unwanted loudspeaker signals |
Jan. 6, 2009 |
| 7447308 |
Low-noise transmitting receiving earset |
Nov. 4, 2008 |
| 7359520 |
Directional audio signal processing using an oversampled filterbank |
Apr. 15, 2008 |
| 7352871 |
Apparatus for communication and reconnaissance coupled with protection of the auditory system |
Apr. 1, 2008 |
| 7327850 |
Supplying electrical power |
Feb. 5, 2008 |
| 7317802 |
Active-noise-reduction headsets with front-cavity venting |
Jan. 8, 2008 |
| 7286860 |
Systems and methods for a comfortable wireless communication device |
Oct. 23, 2007 |
| 7251335 |
Self contained MP3 player and earphones |
Jul. 31, 2007 |
| 7248705 |
Noise reducing headphones with sound conditioning |
Jul. 24, 2007 |
| 7227957 |
Noise-suppressing receiver |
Jun. 5, 2007 |
| 7177433 |
Method of improving the audibility of sound from a loudspeaker located close to an ear |
Feb. 13, 2007 |
| 7171698 |
Earmuff having anatomically correct ear cups |
Feb. 6, 2007 |
| 7130429 |
Method and an apparatus for processing auscultation signals |
Oct. 31, 2006 |
| 7110551 |
Adaptive personal active noise reduction system |
Sep. 19, 2006 |
| 7110554 |
Sub-band adaptive signal processing in an oversampled filterbank |
Sep. 19, 2006 |
| 7092512 |
Call control device and call control method |
Aug. 15, 2006 |
| 7039195 |
Ear terminal |
May. 2, 2006 |
| 7024010 |
Electronic earplug for monitoring and reducing wideband noise at the tympanic membrane |
Apr. 4, 2006 |
| 7016507 |
Method and apparatus for noise reduction particularly in hearing aids |
Mar. 21, 2006 |
| 6996241 |
Tuned feedforward LMS filter with feedback control |
Feb. 7, 2006 |
| 6993140 |
3-in-1 anti-noise radio sound-collection device |
Jan. 31, 2006 |
| 6961286 |
Combination noise blocking headset and alarm clock |
Nov. 1, 2005 |
| 6920227 |
Active noise suppression for a hearing aid device which can be worn in the ear or a hearing aid device with otoplastic which can be worn in the ear |
Jul. 19, 2005 |
| 6898290 |
Adaptive personal active noise reduction system |
May. 24, 2005 |
| 6831984 |
Noise reducing |
Dec. 14, 2004 |
| 6829361 |
Headphones with integrated microphones |
Dec. 7, 2004 |
| 6778955 |
System and method for processing low signal-to-noise ratio signals |
Aug. 17, 2004 |
| 6763116 |
Hearing aid and operating method therefor with control dependent on the noise content of the incoming audio signal |
Jul. 13, 2004 |
| 6748087 |
Headset with ear cushion and means for limiting the compression of the cushion |
Jun. 8, 2004 |
| 6741707 |
Method for tuning an adaptive leaky LMS filter |
May. 25, 2004 |
| 6735316 |
Cup-in-a-cup structure and assembly method for active-noise-reduction headsets |
May. 11, 2004 |
| 6639987 |
Communication device with active equalization and method therefor |
Oct. 28, 2003 |
| 6625287 |
Enhancing automatic noise reduction using negative output resistance |
Sep. 23, 2003 |
| 6597792 |
Headset noise reducing |
Jul. 22, 2003 |
| 6594370 |
Wireless personal communication apparatus in the form of a necklace |
Jul. 15, 2003 |
| 6567524 |
Noise protection verification device |
May. 20, 2003 |
| 6567525 |
Supra aural active noise reduction headphones |
May. 20, 2003 |
| 6532296 |
Active noise reduction audiometric headphones |
Mar. 11, 2003 |
| 6529606 |
Method and system for reducing undesired signals in a communication environment |
Mar. 4, 2003 |
| 6466673 |
Intracranial noise suppression apparatus |
Oct. 15, 2002 |
| 6463411 |
System and method for processing low signal-to-noise ratio signals |
Oct. 8, 2002 |
| 6449369 |
Method and device for hybrid active attenuation of vibration, particularly of mechanical, acoustic or similar vibration |
Sep. 10, 2002 |
| 6449370 |
Digital electro-acoustic transducer |
Sep. 10, 2002 |
| 6445799 |
Noise cancellation earpiece |
Sep. 3, 2002 |
| 6415034 |
Earphone unit and a terminal device |
Jul. 2, 2002 |
| 6396930 |
Active noise reduction for audiometry |
May. 28, 2002 |
| 6377693 |
Tinnitus masking using ultrasonic signals |
Apr. 23, 2002 |
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