Inventor
Paul A. Spencer
Inventor
London, GB
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television33%
H03GControl of amplification17%
H04BTransmission17%
G01VGeophysics8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
H03HImpedance networks, e.g. resonant circuits8%
H04LTransmission of digital information, e.g. telegraphic communication8%
PatentTitleYear
5,197,002'Methods and apparatus for dynamic hashing'19934,388,729'Systems for reducing noise in video signals using amplitude averaging of undelayed and time delayed signals'1983RE030468'Signal compressors and expanders'19804,096,432'Metal detectors for discriminatory detection of buried metal objects'19783,978,409'Signal compressors and expanders'19763,932,819'Electrical filters'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1983Patents assigned to DOLBY LABORATORIES INC (3)· patent assignee history
1976–1983Based in London, GB· patent location history
1976Based in San Francisco, CA, US· patent location history
1978Patents assigned to ARADO ELECTRONICS (1)· patent assignee history
1980Based in Bromley, GB· patent location history
1993Patents assigned to BELL COMMUNICATIONS RES (1)· patent assignee history
1993Based in Highland Park, NJ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOLBY LABORATORIES INC | 3 | 1976–1983 |
| ARADO ELECTRONICS | 1 | 1978 |
| BELL COMMUNICATIONS RES | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| London, GB | 3 | 1976–1983 |
| Highland Park, New Jersey, US | 1 | 1993 |
| Bromley, GB | 1 | 1980 |
| San Francisco, California, US | 1 | 1976 |