Thomson-Brandt SA
Thomson-BrActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| FR2554618A1 | Method and system for communicating information relating to… | Expired / Lapsed | 1983-11-04 | — | 0 | Details |
| USD279563S | Combined telephone and visual display unit | Expired / Lapsed | 1982-11-23 | 1985-07-09 | 1 | Details |
| US4157931A | Process for producing information carrying discs | Expired / Lapsed | 1978-07-18 | 1979-06-12 | 11 | Details |
| US4138663A | Optical reader for information discs equipped with means fo… | Expired / Lapsed | 1978-06-27 | 1979-02-06 | 8 | Details |
| US4128847A | Optical reading device comprising a focussing detection dev… | Expired / Lapsed | 1976-10-26 | 1978-12-05 | 6 | Details |
| US4037929A | Optical projection device and an optical reader incorporati… | Expired / Lapsed | 1976-08-30 | 1977-07-26 | 7 | Details |
| US4037251A | Data carrier optically read out by transmission, and method… | Expired / Lapsed | 1975-05-13 | 1977-07-19 | 16 | Details |
| US4025784A | Device for detecting focussing error in an optical reader h… | Expired / Lapsed | 1975-07-22 | 1977-05-24 | 8 | Details |
| US4020278A | Data carrier for optical read-out | Expired / Lapsed | 1975-10-16 | 1977-04-26 | 5 | Details |