Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 21 - Variable-resistance transducers
Patents for H04R 21 - Variable-resistance transducers (174)
02/2015
02/17/2015US8958578 Throat vibration audio wireless transmission apparatus
02/17/2015US8958571 MIC covering detection in personal audio devices
02/03/2015US8948439 Acoustic conversion device and acoustic conversion device assembly method
02/03/2015US8948433 Narrow-angle directional microphone
12/2014
12/23/2014US8917897 Microphone
12/02/2014US8902604 Component support and assembly having a MEMS component on such a component support
11/2014
11/04/2014US8879751 Gaming headset with programmable audio paths
10/2014
10/21/2014US8867772 Condenser microphone unit and condenser microphone
09/2014
09/23/2014US8842858 Electret condenser microphone
09/16/2014US8837754 Microelectromechanical transducer and corresponding assembly process
08/2014
08/26/2014US8818010 Microphone unit
08/19/2014US8810724 Image-pickup apparatus
08/05/2014US8798992 Audio noise modification for event broadcasting
07/2014
07/08/2014US8774441 Headphone
07/01/2014US8767993 Housing for microphone arrays and multi-sensor devices for their size optimization
06/2014
06/24/2014US8761431 Adjustable headphones
06/10/2014US8750552 Multi-diameter speaker vent ports
05/2014
05/27/2014US8737661 Narrow directional condenser microphone
05/06/2014US8718311 Microphone stand mounting brackets
02/2014
02/04/2014US8644533 Method and apparatus for hearing assistance device microphones
12/2013
12/31/2013US8620014 Microphone
12/04/2013EP2669648A1 Differential pressure sensor
11/2013
11/12/2013US8582795 Robust diaphragm for an acoustic device
10/2013
10/29/2013US8571250 Devices and methods for dampening vibrations
10/22/2013US8565452 Integrated acoustic transducer in MEMS technology, and manufacturing process thereof
10/15/2013US8559664 Microphone unit
08/2013
08/20/2013US8515118 High efficient miniature electro-acoustic transducer with reduced dimensions
07/2013
07/16/2013US8488829 Paired gradient and pressure microphones for rejecting wind and ambient noise
07/16/2013US8488828 Unidirectional condenser microphone unit
07/09/2013US8483776 Acoustic path for a wireless communications device
07/02/2013US8477969 Condenser microphone
06/2013
06/18/2013US8467558 Dynamic microphone
06/04/2013US8457342 Differential microphone
05/2013
05/14/2013US8442243 Ribbon microphone
05/07/2013US8436433 Unattached contained semiconductor devices
03/2013
03/05/2013US8391531 Condenser microphone
02/2013
02/05/2013US8369556 Microphone pop filter
01/2013
01/08/2013US8351633 Noise cancelling microphone with wind shield
12/2012
12/04/2012US8325954 Processing an input signal in a hearing aid
11/2012
11/20/2012US8315418 Sound receiver
11/14/2012CN101578890B Microphone array with electromagnetic interference shielding means
11/13/2012US8311257 Earphone mounting structure
10/2012
10/02/2012US8280092 Voice sound input apparatus
10/02/2012US8280080 Microcap acoustic transducer device
09/2012
09/18/2012US8270661 High efficient miniature electro-acoustic transducer with reduced dimensions
08/2012
08/28/2012US8254619 Microelectromechanical microphone carrier module
08/28/2012US8254618 Microphone
08/02/2012WO2012102073A1 Differential pressure sensor
07/2012
07/17/2012US8224012 Vehicle accessory microphone
06/2012
06/12/2012US8199961 Speaker device, installation body for speaker device, and mobile body having speaker device mounted thereon
05/2012
05/24/2012US20120128191 Portable terminal with duct for transmitter
05/08/2012US8175314 Tactical microphone support systems
05/08/2012US8175313 Electronic anti-sabotage microphone grommet
05/01/2012US8170260 System for determining the position of sound sources
04/2012
04/10/2012US8155345 Wearable terminal, mobile imaging sound collecting device, and device, method, and program for implementing them
02/2012
02/23/2012US20120046780 Composite microphone boot to optimize sealing and mechanical properties
01/2012
01/10/2012US8094857 Sing-along stand with performance interface configured to display a music storage/playback device
12/2011
12/27/2011US8085965 Condenser microphone
12/20/2011US8081789 Microphone holder and microphone device using same
12/06/2011US8073152 Automated voice over internet protocol wireless headset
11/2011
11/15/2011US8059848 Condenser microphone unit
11/08/2011US8055005 Bluetooth earphone and lanyard structure thereof
11/02/2011EP2382801A1 Acoustic energy transducer
10/2011
10/26/2011EP2380361A1 Acoustic pressure transducer
09/2011
09/13/2011US8019109 Microphone boom with adjustable wind noise suppression
09/13/2011US8019101 Condenser microphone
09/06/2011US8014546 EMI shielding for a microphone
08/2011
08/02/2011US7991163 Communication system, apparatus and method
07/2011
07/12/2011US7978869 Wireless microphone
07/05/2011US7974430 Microphone with dust-proof section
07/05/2011US7974429 Wireless microphone
06/2011
06/30/2011US20110158454 Voice input device, method for manufacturing the same, and information processing system
05/2011
05/17/2011US7945062 Microelectromechanical microphone packaging system
05/17/2011US7941909 Method of fabricating an ultra-small condenser microphone
03/2011
03/29/2011US7916879 Electrostatic acoustic transducer based on rolling contact micro actuator
03/10/2011US20110058701 Compact Sound-Filtering Monitor and Microphone Stand
02/2011
02/01/2011US7881484 Capacitor microphone
11/2010
11/30/2010US7844069 Microphone mounting system for acoustic stringed instruments
09/2010
09/21/2010US7801316 Capacitor microphone
08/2010
08/03/2010US7769196 Microphone shell
08/03/2010US7769195 Microphone connector module
06/2010
06/01/2010US7729500 Microphone array with electromagnetic interference shielding means
05/2010
05/18/2010US7720239 Capacitor microphone with acoustic resistor
05/04/2010US7711130 Hearing aid with an optical microphone
02/2010
02/04/2010WO2010014136A1 Hearing aid system including implantable housing having ear canal mounted transducer speaker and microphone
12/2009
12/08/2009US7630506 Condenser microphone unit
12/02/2009EP2127469A2 Sound-attenuating earmuff having isolated double-shell structure
12/02/2009CN101595738A Sound-attenuating earmuff having isolated double-shell structure
11/2009
11/11/2009CN101578890A Microphone array with electromagnetic interference shielding means
10/2009
10/27/2009US7609843 Sound collector
10/22/2009US20090262956 Microphones with equal sensitivity
10/13/2009US7602931 Gasket for reducing electromagnetic interference in a boundary microphone
09/2009
09/17/2009WO2009114053A1 Support arm with reversed elastic and inelastic ranges
09/01/2009US7583810 Fixing unit for microphone
08/2009
08/25/2009US7580533 Particulate flow detection microphone
07/2009
07/14/2009US7561712 Microphone device
07/14/2009US7561705 Reduction of flux leakage in a dynamic microphone
06/2009
06/03/2009EP0985327B1 Flush mounted uni-directional microphone
05/2009
05/28/2009US20090136073 Microphone
04/2009
04/21/2009US7522737 Microphones with equal sensitivity
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