Inventor
Robert C. Wheeler
Inventor
Elba, NY, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television56%
A61BDiagnosis16%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
B05BSpraying apparatus4%
C07DHeterocyclic compounds4%
G02BOptical elements, systems or apparatus4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G06KGraphical data reading4%
H03KPulse technique4%
PatentTitleYear
8,399,444'Bicyclic imidazole as DP1 receptor antagonists'20136,045,238'Illumination assembly for an optical viewing device'20005,365,058'Compensating optical system for video monitor'19944,607,621'Endoscopic apparatus'19864,539,586'Connector module for video endoscopic system'19854,532,918'Endoscope signal level control'19854,264,163'Exposure control apparatus with compensation for film reciprocity failure'19814,110,790'Video processing system providing gain control, aperture control, and black level control'19784,106,055'Automatic color level control system with threshold tracking'19784,081,838'Contrast control circuitry for a video processing system'19784,080,627'Aperture correction circuitry for a video correction system'19784,069,505'Automatic peaking control circuitry for a video processing system'19784,052,735'Modulated fleshtone and tint correction circuitry'19774,042,858'Television receiver protection circuit'19774,021,849'Television receiver raster blanking system'19774,021,848'Adjustable aperture correction system'19773,976,836'Automatic black level setting circuit'19763,969,579'Contrast, brightness and peaking control circuit'19763,949,269'Raster distortion correction circuitry'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to GTE SYLVANIA INC (12)· patent assignee history
1976–1981Based in Elba, NY, US· patent location history
1976Based in Genesee, NY, US· patent location history
1981Patents assigned to EASTMAN KODAK CO (1)· patent assignee history
1985–2000Patents assigned to WELCH ALLYN INC (5)· patent assignee history
1985–2000Based in Skaneateles, NY, US· patent location history
2013Patents assigned to CAMPBELL IAN BAXTER (1)· patent assignee history
2013Patents assigned to GLAXOSMITHKLINE IP DEV LTD (1)· patent assignee history
2013Based in Stevenage, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GTE SYLVANIA INC | 12 | 1976–1978 |
| WELCH ALLYN INC | 5 | 1985–2000 |
| CAMPBELL IAN BAXTER | 1 | 2013 |
| EASTMAN KODAK CO | 1 | 1981 |
| GLAXOSMITHKLINE IP DEV LTD | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Elba, New York, US | 12 | 1976–1981 |
| Skaneateles, New York, US | 5 | 1985–2000 |
| Stevenage, GB | 1 | 2013 |
| Genesee, New York, US | 1 | 1976 |