Inventor
ZWICK NICHOLAS
US9 patents
⚠️ This page may combine multiple inventors who share the name “ZWICK NICHOLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIALOGIC CORP
8 patentsUS5161181ANov 3, 1992
Automatic number identification blocking system
DIALOGIC CORP165 citations98
US5701340ADec 23, 1997
AD-HOC conferencing method
DIALOGIC CORP69 citations95
US5185786AFeb 9, 1993
Automatic call center overflow retrieval system
DIALOGIC CORP84 citations95
US5638436AJun 10, 1997
Voice detection
DIALOGIC CORP45 citations92
US4852149AJul 25, 1989
Automated call filter
DIALOGIC CORP120 citations91
US5459781AOct 17, 1995
Selectively activated dual tone multi-frequency detector
DIALOGIC CORP36 citations88
US4862492AAug 29, 1989
Measurement of transmission quality of a telephone channel
DIALOGIC CORP19 citations81
US4760516AJul 26, 1988
Peripheral interrupt interface for multiple access to an interrupt level
DIALOGIC CORP19 citations81