Inventor
HILLMAN GARTH D
US10 patents
⚠️ This page may combine multiple inventors who share the name “HILLMAN GARTH D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
4 patentsUS5323458AJun 21, 1994
Echo cancellation in a full-duplex speakerphone
MOTOROLA INC48 citations92
US5249204ASep 28, 1993
Circuit and method for phase error correction in a digital receiver
MOTOROLA INC25 citations92
US6381224B1Apr 30, 2002
Method and apparatus for controlling a full-duplex communication system
MOTOROLA INC38 citations85
US4785411ANov 15, 1988
Cascade filter structure with time overlapped partial addition operations and programmable tap length
MOTOROLA INC24 citations81