Inventor
Robert O. Eifrig
Inventor
San Diego, CA, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television88%
H04LTransmission of digital information, e.g. telegraphic communication9%
G06FElectric digital data processing3%
PatentTitleYear
11,128,881Personal video recorder202110,687,106System and method for distributed control of segmented media202010,674,173Personal video recorder20209,961,359Personal video recorder20189,609,049'Frame-rate conversion in a distributed computing system'20179,582,157'User interface and program guide for a multi-program video viewing apparatus'20179,549,179'Personal video recorder'20179,485,456'Frame-rate conversion in a distributed computing system'20169,374,577'Method and apparatus for selecting a coding mode'20168,908,765'Method and apparatus for performing motion estimation'20148,582,652'Method and apparatus for selecting a coding mode'20138,526,489'Personal video recorder'20138,503,541'Method and apparatus for determining timing information from a bit stream'20138,351,514'Method, protocol, and apparatus for transporting advanced video coding content'20137,840,119'Methods and apparatus for processing progressive I-slice refreshed MPEG data streams to enable trick play mode features on a display device'20107,020,198'Rate control for an MPEG transcoder without a priori knowledge picture type'2006RE038564'Motion estimation and compensation of video object planes for interlaced digital video'2004RE038563'Prediction and coding of bi-directionally predicted video object planes for interlaced digital video'20046,748,020'Transcoder-multiplexer (transmux) software architecture'20046,570,922'Rate control for an MPEG transcoder without a priori knowledge of picture type'20036,289,129'Video rate buffer for use with push dataflow'20016,259,741'Method of architecture for converting MPEG-2 4:2:2-profile bitstreams into main-profile bitstreams'20016,026,195'Motion estimation and compensation of video object planes for interlaced digital video'20006,005,980'Motion estimation and compensation of video object planes for interlaced digital video'19995,995,151'Bit rate control mechanism for digital image and video data compression'19995,991,447'Prediction and coding of bi-directionally predicted video object planes for interlaced digital video'19995,974,184'Intra-macroblock DC and AC coefficient prediction for interlaced digital video'19995,686,964'Bit rate control mechanism for digital image and video data compression'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Based in Beaverton, OR, US· patent location history
1999–2014Patents assigned to GEN INSTRUMENT CORP (16)· patent assignee history
1999–2021Based in San Diego, CA, US· patent location history
2013–2014Patents assigned to EIFRIG ROBERT O (5)· patent assignee history
2016–2017Patents assigned to AKAMAI TECH INC (2)· patent assignee history
2016–2017Patents assigned to ARRIS ENTPR INC (2)· patent assignee history
2016–2017Based in San Jose, CA, US· patent location history
2018–2021Patents assigned to ARRIS ENTPR LLC (3)· patent assignee history
2020Based in Sunnyvale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN INSTRUMENT CORP | 16 | 1999–2014 |
| EIFRIG ROBERT Oself | 5 | 2013–2014 |
| ARRIS ENTPR LLC | 3 | 2018–2021 |
| AKAMAI TECH INC | 2 | 2016–2017 |
| ARRIS ENTPR INC | 2 | 2016–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 24 | 1999–2021 |
| San Jose, California, US | 2 | 2016–2017 |
| Sunnyvale, California, US | 1 | 2020 |
| Beaverton, OR, US | 1 | 1997 |