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Walter R. Friedrich
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Pleasanton, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for transcoding and transrating in distributed...
Patent number
8,713,105
Issue date
Apr 29, 2014
Cisco Technology, Inc.
Thiyagesan Ramalingam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for performing distributed video conferencing
Patent number
8,659,636
Issue date
Feb 25, 2014
Cisco Technology, Inc.
Scott S. Firestone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for using far end camera control (FECC) messag...
Patent number
8,576,272
Issue date
Nov 5, 2013
Cisco Technology, Inc.
Duanpei Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for using far end camera control (FECC) messag...
Patent number
7,940,294
Issue date
May 10, 2011
Cisco Technology, Inc.
Duanpei Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and architecture for distributed video switching using media...
Patent number
7,929,012
Issue date
Apr 19, 2011
Cisco Technology, Inc.
Steven G. Fry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Marking keyframes for a communication session
Patent number
7,907,594
Issue date
Mar 15, 2011
Cisco Technology, Inc.
Duanpei Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio-to-video synchronization system and method for packet-based n...
Patent number
7,664,057
Issue date
Feb 16, 2010
Cisco Technology, Inc.
Fang Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Scalable moderated audio conferencing for multicast and unicast end...
Patent number
7,580,375
Issue date
Aug 25, 2009
Cisco Technology, Inc.
Walter R. Friedrich
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for performing distributed video conferencing
Patent number
7,477,282
Issue date
Jan 13, 2009
Cisco Technology, Inc.
Scott S. Firestone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for using far end camera control (FECC) messag...
Patent number
7,321,384
Issue date
Jan 22, 2008
Cisco Technology, Inc.
Duanpei Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for providing video conferencing synchronization
Patent number
7,084,898
Issue date
Aug 1, 2006
Cisco Technology, Inc.
Scott S. Firestone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for performing distributed video conferencing
Patent number
6,989,856
Issue date
Jan 24, 2006
Cisco Technology, Inc.
Scott S. Firestone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for physical layer controllers for performing automatic hard...
Patent number
5,577,206
Issue date
Nov 19, 1996
National Semiconductor Corporation
Walter R. Friedrich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
PCM pseudo code signalling user interface
Patent number
5,390,183
Issue date
Feb 14, 1995
National Semiconductor Corporation
Walter R. Friedrich
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
FDDI configuration management state machine controller
Patent number
5,333,270
Issue date
Jul 26, 1994
National Semiconductor Corporation
David C. Brief
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controllable PCM state machine user interface
Patent number
5,325,360
Issue date
Jun 28, 1994
National Semiconductor Corporation
Walter R. Friedrich
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR USING FAR END CAMERA CONTROL (FECC) MESSAG...
Publication number
20110205333
Publication date
Aug 25, 2011
Duanpei Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR USING FAR END CAMERA CONTROL (FECC) MESSAG...
Publication number
20080068449
Publication date
Mar 20, 2008
Duanpei Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Marking Keyframes For A Communication Session
Publication number
20070280194
Publication date
Dec 6, 2007
Duanpei Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for transcoding and transrating in distributed...
Publication number
20070156924
Publication date
Jul 5, 2007
Cisco Technology, Inc.
Thiyagesan Ramalingam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and architecture for distributed video switching using media...
Publication number
20070153712
Publication date
Jul 5, 2007
Cisco Technology, Inc.
Steven G. Fry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for performing distributed video conferencing
Publication number
20050248652
Publication date
Nov 10, 2005
Cisco Technology, Inc., a California Corporation
Scott E. Firestone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for performing distributed video conferencing
Publication number
20050078171
Publication date
Apr 14, 2005
Cisco Technology, Inc. a California Corporation
Scott S. Firestone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for performing distributed video conferencing
Publication number
20050078170
Publication date
Apr 14, 2005
Cisco Technology, Inc.
Scott S. Firestone
H04 - ELECTRIC COMMUNICATION TECHNIQUE