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Class Information
Number: 381/356
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Housed microphone > Directional
Description: Subject matter acoustically or mechanically configured to have a different response to sounds emanating from different locations in an environment.










Sub-classes under this class:

Class Number Class Name Patents
381/357 With plural sound ports (e.g., pressure gradient) 126


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8649529 Apparatus, method and computer program for localizing a sound source Feb. 11, 2014
8644533 Method and apparatus for hearing assistance device microphones Feb. 4, 2014
8611555 Robot head with artificial ears Dec. 17, 2013
8559643 Stereo microphone unit and stereo microphone Oct. 15, 2013
8559657 Capacitor microphone Oct. 15, 2013
8538057 Highly directional microphone Sep. 17, 2013
8526656 Microphone unit Sep. 3, 2013
8526633 Acoustic apparatus Sep. 3, 2013
8503693 Biology-inspired miniature system and method for sensing and localizing acoustic signals Aug. 6, 2013
8503701 Optical sensing in a directional MEMS microphone Aug. 6, 2013
8488828 Unidirectional condenser microphone unit Jul. 16, 2013
8488829 Paired gradient and pressure microphones for rejecting wind and ambient noise Jul. 16, 2013
8483421 Narrow-angle directional microphone Jul. 9, 2013
8477964 Method and device for phase-sensitive processing of sound signals Jul. 2, 2013
8447056 Dynamic microphone May. 21, 2013
8442256 Boundary microphone and desktop electro-acoustic transducer May. 14, 2013
8437490 Ceiling microphone assembly May. 7, 2013
8433089 Voice input apparatus Apr. 30, 2013
8422715 Microphone unit Apr. 16, 2013
8391508 Method for reproducing natural or modified spatial impression in multichannel listening Mar. 5, 2013
8369556 Microphone pop filter Feb. 5, 2013
8369555 Piezoelectric microphones Feb. 5, 2013
8340321 Method and device for phase-sensitive processing of sound signals Dec. 25, 2012
8325954 Processing an input signal in a hearing aid Dec. 4, 2012
8325959 Microphone apparatus with increased directivity Dec. 4, 2012
8325960 Narrow directional microphone Dec. 4, 2012
8315397 Microphone device and portable recorder comprising same Nov. 20, 2012
8306251 Narrow directional microphone Nov. 6, 2012
8300840 Multiple superimposed audio frequency test system and sound chamber with attenuated echo properties Oct. 30, 2012
8280078 Capacitor microphone unit and capacitor microphone Oct. 2, 2012
8259959 Toroid microphone apparatus Sep. 4, 2012
8223977 Sound receiver Jul. 17, 2012
8199954 Image capturing apparatus Jun. 12, 2012
8184815 Microphone unit for stereophonic recording May. 22, 2012
8184843 Method and apparatus for sound source localization using microphones May. 22, 2012
8175292 Audio signal processing May. 8, 2012
8170241 Mobile tele-presence system with a microphone system May. 1, 2012
8170256 Microphone assembly for minimizing acoustic feedback from a loudspeaker May. 1, 2012
8160269 Methods and apparatuses for adjusting a listening area for capturing sounds Apr. 17, 2012
8126183 Audio source tracking arrangement Feb. 28, 2012
8111856 Variable directional microphone unit and variable directional microphone Feb. 7, 2012
8103038 Boundary microphone Jan. 24, 2012
8077899 Electronic device and process for mounting microphone therein Dec. 13, 2011
8050432 Sound system Nov. 1, 2011
8045741 Boundary microphone Oct. 25, 2011
8041065 Microphone Oct. 18, 2011
8036412 Microphone system having pressure-gradient capsules Oct. 11, 2011
8031898 Dynamic microphone Oct. 4, 2011
8003878 Electroacoustic transducer system Aug. 23, 2011
7971338 Fabricating method for earphone Jul. 5, 2011

1 2 3 4










 
 
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