Inventor
Petrus W. G. Welles
Inventor
Eindhoven, NL
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. television88%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
4,851,908'Field number doubling circuit for a television signal'19894,816,907'Television synchronizing signal pattern correction circuit'19894,750,038'Television picture display device'19884,684,986'Television signal memory-write circuit'19874,636,864'Television receiver comprising a circuit for sequentially tuning the receiver to different frequencies'19874,587,557'Field number conversion circuit'19864,514,754'Digital color television signal processing circuit'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1989Patents assigned to PHILIPS CORP (7)· patent assignee history
1985–1989Based in Eindhoven, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 7 | 1985–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eindhoven, NL | 7 | 1985–1989 |