Inventor

BAUMHAUER JR JOHN C

US10 patents

⚠️ This page may combine multiple inventors who share the name “BAUMHAUER JR JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T BELL LAB

2 patents

US5121426AJun 9, 1992

Loudspeaking telephone station including directional microphone

AT & T BELL LAB282 citations97

US5226076AJul 6, 1993

Directional microphone assembly

AT & T BELL LAB153 citations96

AT & T CORP

2 patents

US5515445AMay 7, 1996

Long-time balancing of omni microphones

AT & T CORP25 citations90

US5506908AApr 9, 1996

Directional microphone system

AT & T CORP27 citations90

HARMAN INT IND

2 patents

US10154330B2Dec 11, 2018

Gradient micro-electro-mechanical systems (MEMS) microphone

HARMAN INT IND9 citations81

US10771875B2Sep 8, 2020

Gradient micro-electro-mechanical systems (MEMS) microphone

HARMAN INT IND0 citations49

LUCENT TECHNOLOGIES INC

1 patent

US5739481AApr 14, 1998

Speaker mounting system

LUCENT TECHNOLOGIES INC49 citations91

BAUMHAUER JR JOHN C

1 patent

US7751575B1Jul 6, 2010

Microphone system for communication devices

BAUMHAUER JR JOHN C11 citations78

POLYCOM INC

1 patent

US7182324B2Feb 27, 2007

Microphone isolation system

POLYCOM INC7 citations71

WELSH CHRISTOPHER T

1 patent

US8300871B2Oct 30, 2012

Earphone for wideband communication

WELSH CHRISTOPHER T6 citations66