Thomson Brandt
100Patents
0Active
100Granted
42Portfolio score
Filing activity: Mar 14, 1974 → Mar 13, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4503299A | Control-lever for a game | Emerging Cross-Sectional Technologies | 130 | Expired |
| US4059841A | Optical read-out system including asymetrical beam intensity and four detector cells | Physics | 70 | Expired |
| US4037929A | Optical projection device and an optical reader incorporating this device | Physics | 70 | Expired |
| US4023033A | Optical focussing device | Physics | 68 | Expired |
| US4106058A | Data disc optical reader containing a device for automatic data access | Physics | 68 | Expired |
| US4138663A | Optical reader for information discs equipped with means for automatic access to the information | Physics | 54 | Expired |
| US3971002A | Device for the optical read-out of a diffractive track belonging to a data carrier in the form of a disc or tape | Physics | 48 | Expired |
| US4079248A | Optical focussing sensor | Physics | 44 | Expired |
| US4347527A | Video recording on disk and device for the repetitive reading of such a recording | Electricity | 42 | Expired |
| US4568040A | Terminal guidance method and a guided missile operating according to this method | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US4482107A | Control device using gas jets for a guided missile | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4463921A | Gas jet steering device and method missile comprising such a device | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4051329A | An optical information recording system in which the energy when transmitted to the recording layer is constant | Physics | 37 | Expired |
| US4139263A | Optical device for projecting a radiation beam onto a data carrier | Physics | 36 | Expired |
| US4157931A | Process for producing information carrying discs | Performing Operations; Transporting | 35 | Expired |
| US4408538A | Launching mechanism for subcalibre projectile | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US4020278A | Data carrier for optical read-out | Physics | 32 | Expired |
| US4426122A | Microcomputer adapted to be connected to a supplementary circuit placed in a cartridge | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4076187A | Attitude-controlling system and a missile equipped with such a system | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US4124273A | Variable vergency focussing apparatus | Physics | 30 | Expired |
| US4368409A | Switching regulator power supply device combined with the horizontal deflection circuit of a television receiver which it supplies | Electricity | 29 | Expired |
| US4128847A | Optical reading device comprising a focussing detection device | Physics | 27 | Expired |
| US4084694A | Container for video discs | Physics | 26 | Expired |
| USD250333S | Record turntable | General | 25 | Expired |
| US4211378A | Steering arrangement for projectiles of the missile kind, and projectiles fitted with this arrangement | Mechanical Engineering; Lighting; Heating | 23 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.