Inventor
Walter R. Friedrich
Inventor
Pleasanton, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication41%
H04NPictorial communication, e.g. television37%
H04MTelephonic communication11%
G06FElectric digital data processing4%
H01LSemiconductor devices4%
H04QSelecting4%
PatentTitleYear
8,713,105'Method and apparatus for transcoding and transrating in distributed video systems'20148,659,636'System and method for performing distributed video conferencing'20148,576,272'Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconference'20137,940,294'Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconference'20117,929,012'Method and architecture for distributed video switching using media notifications'20117,907,594'Marking keyframes for a communication session'20117,664,057'Audio-to-video synchronization system and method for packet-based network video conferencing'20107,580,375'Scalable moderated audio conferencing for multicast and unicast endpoints and gateways'20097,477,282'System and method for performing distributed video conferencing'20097,321,384'Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconference'20087,084,898'System and method for providing video conferencing synchronization'20066,989,856'System and method for performing distributed video conferencing'20065,577,206'System for physical layer controllers for performing automatic hardware based scrubbing of input and output dirty flags for updating system configuration changes'19965,390,183'PCM pseudo code signalling user interface'19955,333,270'FDDI configuration management state machine controller'19945,325,360'Controllable PCM state machine user interface'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1996Patents assigned to NAT SEMICONDUCTOR CORP (4)· patent assignee history
1994–2014Based in Pleasanton, CA, US· patent location history
2006–2014Patents assigned to CISCO TECH INC (11)· patent assignee history
2013–2014Patents assigned to SARKAR SHANTANU (3)· patent assignee history
2013–2014Patents assigned to WU DUANPEI (3)· patent assignee history
2013–2014Patents assigned to FRIEDRICH WALTER R (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CISCO TECH INC | 11 | 2006–2014 |
| NAT SEMICONDUCTOR CORP | 4 | 1994–1996 |
| SARKAR SHANTANU | 3 | 2013–2014 |
| WU DUANPEI | 3 | 2013–2014 |
| FRIEDRICH WALTER Rself | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pleasanton, California, US | 16 | 1994–2014 |