P

Inventor

WITTMAN BRIAN A

US10 patents
⚠️ This page may combine multiple inventors who share the name “WITTMAN BRIAN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T BELL LAB

4 patents
US5121426AJun 9, 1992

Loudspeaking telephone station including directional microphone

AT & T BELL LAB282 citations97
US5251179AOct 5, 1993

Apparatus and method for extending battery life

AT & T BELL LAB27 citations91
US4980778ADec 25, 1990

Method for correcting nonuniformities in pixel output level for a line scanner

AT & T BELL LAB21 citations81
US4539552ASep 3, 1985

Digital-to-analog converter

AT & T BELL LAB5 citations60

THERMAL IMAGING RADAR LLC

2 patents
US9390604B2Jul 12, 2016

Fire detection system

THERMAL IMAGING RADAR LLC12 citations79
US9685896B2Jun 20, 2017

Stepper motor control and fire detection system

THERMAL IMAGING RADAR LLC7 citations69

THOMSON LICENSING

1 patent
US7574494B1Aug 11, 2009

User interface for a bi-directional communication system

THOMSON LICENSING86 citations92

AT & T CORP

1 patent
US5388153AFeb 7, 1995

Apparatus and method for detecting telephone line status

AT & T CORP15 citations68

BELL TELEPHONE LABOR INC

1 patent
US4352958AOct 5, 1982

Electronically-switched multifrequency generator with transducer control

BELL TELEPHONE LABOR INC4 citations60

CELENTANO MICHAEL J

1 patent
US8894831B2Nov 25, 2014

Printed memory on strip

CELENTANO MICHAEL J0 citations40