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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:
1 2

Patent Number Title Of Patent Date Issued
8704360 Top port surface mount silicon condenser microphone package Apr. 22, 2014
8652883 Methods of manufacture of bottom port surface mount silicon condenser microphone packages Feb. 18, 2014
8633064 Methods of manufacture of top port multipart surface mount silicon condenser microphone package Jan. 21, 2014
8629005 Methods of manufacture of bottom port surface mount silicon condenser microphone packages Jan. 14, 2014
8629552 Top port multi-part surface mount silicon condenser microphone package Jan. 14, 2014
8624387 Top port multi-part surface mount silicon condenser microphone package Jan. 7, 2014
8624386 Bottom port multi-part surface mount silicon condenser microphone package Jan. 7, 2014
8624385 Top port surface mount silicon condenser microphone package Jan. 7, 2014
8624384 Bottom port surface mount silicon condenser microphone package Jan. 7, 2014
8623710 Methods of manufacture of bottom port multi-part surface mount silicon condenser microphone packages Jan. 7, 2014
8623709 Methods of manufacture of top port surface mount silicon condenser microphone packages Jan. 7, 2014
8617934 Methods of manufacture of top port multi-part surface mount silicon condenser microphone packages Dec. 31, 2013
8559664 Microphone unit Oct. 15, 2013
8553920 Arrangement comprising a microphone Oct. 8, 2013
8553921 Miniature microphone, protection frame thereof and method for manufacturing the same Oct. 8, 2013
8526656 Microphone unit Sep. 3, 2013
8488829 Paired gradient and pressure microphones for rejecting wind and ambient noise Jul. 16, 2013
8477981 Watch including a built-in microphone in the watchcase Jul. 2, 2013
8463334 Apparatus and system for providing wideband voice quality in a wireless telephone Jun. 11, 2013
8448326 Method of manufacturing an accelerometer May. 28, 2013
8436433 Unattached contained semiconductor devices May. 7, 2013
8428285 Microphone screen with common mode interference reduction Apr. 23, 2013
8406446 Microphone with vibration isolation Mar. 26, 2013
8396242 Sound receiver Mar. 12, 2013
8358004 Surface mount silicon condenser microphone package Jan. 22, 2013
8354729 Gas sensor and manufacturing method thereof Jan. 15, 2013
8351632 Noise mitigating microphone system and method Jan. 8, 2013
8335338 Speaker and electronic apparatus and device using the same Dec. 18, 2012
8331600 Narrow directional microphone Dec. 11, 2012
8254619 Microelectromechanical microphone carrier module Aug. 28, 2012
8254616 Microphone with a low frequency noise shunt Aug. 28, 2012
8229133 Portable sound recorder Jul. 24, 2012
8208671 Microphone with backside cavity that impedes bubble formation Jun. 26, 2012
8180087 Microphone having a three-pin socket and a USB socket May. 15, 2012
8175313 Electronic anti-sabotage microphone grommet May. 8, 2012
8170256 Microphone assembly for minimizing acoustic feedback from a loudspeaker May. 1, 2012
8126183 Audio source tracking arrangement Feb. 28, 2012
8121331 Surface mount silicon condenser microphone package Feb. 21, 2012
8116499 Microphone adaptor for altering the geometry of a microphone without altering its frequency response characteristics Feb. 14, 2012
8098871 Dynamic microphone Jan. 17, 2012
8045741 Boundary microphone Oct. 25, 2011
8031898 Dynamic microphone Oct. 4, 2011
8019109 Microphone boom with adjustable wind noise suppression Sep. 13, 2011
7978869 Wireless microphone Jul. 12, 2011
7971338 Fabricating method for earphone Jul. 5, 2011
7974429 Wireless microphone Jul. 5, 2011
7933428 Microphone apparatus Apr. 26, 2011
7916886 Microphone with low frequency noise shunt Mar. 29, 2011
7916887 Wind-shielded acoustic sensor Mar. 29, 2011
7801316 Capacitor microphone Sep. 21, 2010

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