Inventor
CHAPMAN JOSEPH Q
US10 patents
⚠️ This page may combine multiple inventors who share the name “CHAPMAN JOSEPH Q”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
4 patentsUS5537436AJul 16, 1996
Simultaneous analog and digital communication applications
AT & T CORP230 citations97
US5537441AJul 16, 1996
Controlled simultaneous analog and digital communication
AT & T CORP24 citations92
US5475691ADec 12, 1995
Voice activated date rate change in simultaneous voice and data transmission
AT & T CORP35 citations92
US5473675ADec 5, 1995
Call establishment for simultaneous analog and digital communications
AT & T CORP31 citations92
PARADYNE CORP
4 patentsUS6574308B1Jun 3, 2003
Digital subscriber line diagnostic system
PARADYNE CORP60 citations93
US7106834B2Sep 12, 2006
Digital subscriber line diagnostic system
PARADYNE CORP13 citations81
US6236675B1May 22, 2001
Pilot tone system and method to allow continuous synchronization in multipoint networks
PARADYNE CORP15 citations81
US5983271ANov 9, 1999
Method for processing asynchronous low-level protocols in a communication device to off load the main processor
PARADYNE CORP19 citations77