Inventor
David E. Lake, Jr.
Inventor
Penn Valley, CA, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television60%
G06TImage data processing or generation, in general13%
G01RMeasuring electric variables7%
G06FElectric digital data processing7%
G11BInformation storage based on relative movement between record carrier and transducer7%
H03HImpedance networks, e.g. resonant circuits7%
PatentTitleYear
RE036750'Method and apparatus for adding texturing highlights to a video signal'20005,640,320'Method and apparatus for video editing and realtime processing'19975,608,465'Video mixer control signal generator modular element'19975,416,529'Method and system for digital video processing with combined downstream keyer and fade to black mixer'19955,289,305'Progressive scan architecture for video special effects'19945,051,734'Special effects using polar image coordinates'19914,831,447'Method and apparatus for anti-aliasing an image boundary during video special effects'19894,821,269'Diagnostic system for a digital signal processor'19894,809,070'Method and apparatus for adding texturing highlights to a video signal'19894,797,836'Image orientation and animation using quaternions'19894,782,388'Method and apparatus for providing video mosaic effects'19884,703,447'Mixer controlled variable passband finite impulse response filter'19874,698,666'Video key glow and border generator'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2000Patents assigned to GRASS VALLEY GROUP (10)· patent assignee history
1987–1989Based in Penn Valley, CA, US· patent location history
1991–2000Based in Grass Valley, CA, US· patent location history
1995Patents assigned to IMMIX (1)· patent assignee history
1997Patents assigned to SCITEX DIGITAL VIDEO INC (1)· patent assignee history
1997Patents assigned to SCITEX IM ACQUISITION CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRASS VALLEY GROUP | 10 | 1987–2000 |
| IMMIX | 1 | 1995 |
| SCITEX DIGITAL VIDEO INC | 1 | 1997 |
| SCITEX IM ACQUISITION CORP | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Penn Valley, California, US | 7 | 1987–1989 |
| Grass Valley, California, US | 6 | 1991–2000 |