Inventor
Stephen Collins
Inventor
Malvern, GB
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television40%
H03FAmplifiers20%
G01CMeasuring distances, levels or bearings10%
G06GAnalogue computers10%
H03KPulse technique10%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation10%
PatentTitleYear
6,683,645'Imaging system with low sensitivity to variation in scene illumination'20046,507,519'Buffer circuit'20036,414,294'Sensor system'20026,396,045'Sensor apparatus'20026,014,685'Electronic circuit for determination of distances between reference and data points'20005,557,234'Differential amplifier with mismatch correction using floating gates'19964,060,909'Surveying rod'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to COLLINS DAVID N (1)· patent assignee history
1977Patents assigned to COLLINS EUGENE C (1)· patent assignee history
1977Patents assigned to COLLINS STEPHEN E (1)· patent assignee history
1977Based in Rte. 1 Box 39, NM, US· patent location history
1996–2000Patents assigned to SECR DEFENCE BRIT (2)· patent assignee history
1996Based in Worcester, GB· patent location history
2000–2004Based in Malvern, GB· patent location history
2002–2004Patents assigned to QINETIQ LTD (4)· patent assignee history
2003Based in Oxford, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QINETIQ LTD | 4 | 2002–2004 |
| SECR DEFENCE BRIT | 2 | 1996–2000 |
| COLLINS DAVID N | 1 | 1977 |
| COLLINS EUGENE C | 1 | 1977 |
| COLLINS STEPHEN Eself | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Malvern, GB | 4 | 2000–2004 |
| Oxford, GB | 1 | 2003 |
| Worcester, GB | 1 | 1996 |
| Rte. 1 Box 39, NM, US | 1 | 1977 |