Inventor · disambiguated record
John Charles Baumhauer, Jr.
Also filed as: BAUMHAUER JOHN · BAUMHAUER JOHN C JR · BAUMHAUER JOHN CHARLES · BAUMHAUER JOHN CHARLES JR
24 granted patents·3 pending applications·1,021 citations·filing 1976–2018
97Inventor score
Top patents by PatentIndex Score
27 records- 0197US5121426ALoudspeaking telephone station including directional microphoneAT & T BELL LAB·Filed 1989·Granted Jun 9, 1992·282 cites·10 claims
- 0295US4533795AIntegrated electroacoustic transducerAMERICAN TELEPHONE & TELEGRAPH·Filed 1983·Granted Aug 6, 1985·195 cites·26 claims
- 0394US7790492B1Method for fabricating a transducer package with the transducer die unsupported by a substrateMWM ACOUSTICS LLC·Filed 2009·Granted Sep 7, 2010·36 cites·22 claims
- 0493US7825509B1Transducer package with transducer die unsupported by a substrateMWM ACOUSTICS LLC·Filed 2009·Granted Nov 2, 2010·30 cites·29 claims
- 0592US8804982B2Dual cell MEMS assemblyMICHEL ALAN DEAN·Filed 2011·Granted Aug 12, 2014·22 cites·10 claims
- 0688US5226076ADirectional microphone assemblyAT & T BELL LAB·Filed 1993·Granted Jul 6, 1993·153 cites·13 claims
- 0786US10154330B2Gradient micro-electro-mechanical systems (MEMS) microphoneHARMAN INT IND·Filed 2014·Granted Dec 11, 2018·9 cites·31 claims
- 0880US9955246B2Gradient micro-electro-mechanical systems (MEMS) microphone with varying height assembliesHARMAN INT IND·Filed 2014·Granted Apr 24, 2018·7 cites·7 claims
- 0980US5848172ADirectional microphoneLUCENT TECHNOLOGIES INC·Filed 1996·Granted Dec 8, 1998·71 cites·19 claims
- 1071US5739481ASpeaker mounting systemLUCENT TECHNOLOGIES INC·Filed 1996·Granted Apr 14, 1998·49 cites·15 claims
- 1169US7646865B2Telephone handset coupling systemMWM ACOUSTICS LLC·Filed 2007·Granted Jan 12, 2010·3 cites·20 claims
- 1269US6389145B2Methods and apparatus for controlling the output of moving armature transducersAGERE SYST GUARDIAN CORP·Filed 1998·Granted May 14, 2002·45 cites·18 claims
- 1368US8300871B2Earphone for wideband communicationWELSH CHRISTOPHER T·Filed 2007·Granted Oct 30, 2012·6 cites·21 claims
- 1466US8155366B2Transducer package with interior support frameBAUMHAUER JR JOHN CHARLES·Filed 2009·Granted Apr 10, 2012·5 cites·40 claims
- 1561US8107652B2Controlled leakage omnidirectional electret condenser microphone elementDYER MEDFORD ALAN·Filed 2008·Granted Jan 31, 2012·2 cites·14 claims
- 1661US7751575B1Microphone system for communication devicesBAUMHAUER JR JOHN C·Filed 2003·Granted Jul 6, 2010·11 cites·15 claims
- 1761US7182324B2Microphone isolation systemPOLYCOM INC·Filed 2002·Granted Feb 27, 2007·7 cites·25 claims
- 1855US10771875B2Gradient micro-electro-mechanical systems (MEMS) microphoneHARMAN INT IND·Filed 2018·Granted Sep 8, 2020·0 cites·18 claims
- 1955US5506908ADirectional microphone systemAT & T CORP·Filed 1994·Granted Apr 9, 1996·27 cites·16 claims
- 2052US5515445ALong-time balancing of omni microphonesAT & T CORP·Filed 1994·Granted May 7, 1996·25 cites·5 claims
- 2152US2007126164A1Microphone Isolation SystemPOLYCOM INC·Filed 2007·Application pending·0 cites
- 2251US10827245B2Gradient micro-electro-mechanical systems (MEMS) microphone with varying height assembliesHARMAN INT IND·Filed 2018·Granted Nov 3, 2020·0 cites·20 claims
- 2344US5651074ANoise canceling gradient microphone assemblyLUCENT TECHNOLOGIES INC·Filed 1995·Granted Jul 22, 1997·12 cites·16 claims
- 2444US4046974AElectroacoustic transducer with springs forming electrical interconnections as a result of assemblyBELL TELEPHONE LABOR INC·Filed 1976·Granted Sep 6, 1977·14 cites·12 claims
- 2544US2003008676A1Communication device having a microphone system with optimal acoustic transmission line design for improved frequency and directional responseFiled 2001·Application pending·0 cites
- 2642US2013044899A1Dual Backplate MicrophoneHARMAN INT IND·Filed 2012·Application pending·0 cites
- 2738US6683964B1Direction finderLUCENT TECHNOLOGIES INC·Filed 1996·Granted Jan 27, 2004·10 cites·14 claims
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