Inventor
FRIEDRICH WALTER R
US14 patents
⚠️ This page may combine multiple inventors who share the name “FRIEDRICH WALTER R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CISCO TECH INC
7 patentsUS7664057B1Feb 16, 2010
Audio-to-video synchronization system and method for packet-based network video conferencing
CISCO TECH INC78 citations98
US7477282B2Jan 13, 2009
System and method for performing distributed video conferencing
CISCO TECH INC164 citations98
US7084898B1Aug 1, 2006
System and method for providing video conferencing synchronization
CISCO TECH INC173 citations98
US7580375B1Aug 25, 2009
Scalable moderated audio conferencing for multicast and unicast endpoints and gateways
CISCO TECH INC57 citations97
US7321384B1Jan 22, 2008
Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconference
CISCO TECH INC92 citations97
US7940294B2May 10, 2011
Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconference
CISCO TECH INC10 citations84
US7907594B2Mar 15, 2011
Marking keyframes for a communication session
CISCO TECH INC0 citations41
NAT SEMICONDUCTOR CORP
4 patentsUS5325360AJun 28, 1994
Controllable PCM state machine user interface
NAT SEMICONDUCTOR CORP21 citations92
US5577206ANov 19, 1996
System for physical layer controllers for performing automatic hardware based scrubbing of input and output dirty flags for updating system configuration changes
NAT SEMICONDUCTOR CORP9 citations73
US5390183AFeb 14, 1995
PCM pseudo code signalling user interface
NAT SEMICONDUCTOR CORP8 citations73
US5333270AJul 26, 1994
FDDI configuration management state machine controller
NAT SEMICONDUCTOR CORP15 citations73