Tektronix Inc
TektronixActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4106011A | Keyboard circuit | Expired / Lapsed | 1975-10-24 | 1978-08-08 | 5 | Details |
| US3886331A | Electronic scanning spectrophotometer system | Expired / Lapsed | 1973-09-14 | 1975-05-27 | 23 | Details |
| US3843873A | Counter having selective direction and variable rate control | Expired / Lapsed | 1972-09-19 | 1974-10-22 | 18 | Details |
| US3739347A | Cursor for use in performing graphic input in a display | Expired / Lapsed | 1970-03-20 | 1973-06-12 | 19 | Details |
| US3637997A | Graphic display system | Expired / Lapsed | 1968-12-06 | 1972-01-25 | 45 | Details |
| US3588672A | Current regulator controlled by voltage across semiconducto… | Expired / Lapsed | 1968-02-08 | 1971-06-28 | 0 | Details |
| US3587052A | Transistor matrix | Expired / Lapsed | 1968-10-28 | 1971-06-22 | 15 | Details |
| US3482163A | Magnetic signal measuring device including degaussing means | Expired / Lapsed | 1967-05-24 | 1969-12-02 | 0 | Details |
| US3475682A | Shielded current measuring device | Expired / Lapsed | 1967-07-17 | 1969-10-28 | 0 | Details |
| US3434049A | Time domain reflectometry system having a current source fo… | Expired / Lapsed | 1965-12-06 | 1969-03-18 | 0 | Details |
| US3426311A | Transition device | Expired / Lapsed | 1966-06-16 | 1969-02-04 | 2 | Details |
| US3229212A | Direct sampling apparatus | Expired / Lapsed | 1963-02-18 | 1966-01-11 | 1 | Details |
| US3229106A | Method of modulating light with intrinsic semiconductor dev… | Expired / Lapsed | 1961-10-16 | 1966-01-11 | 2 | Details |
| US3159780A | Semiconductor bridge rectifier | Expired / Lapsed | 1961-06-19 | 1964-12-01 | 2 | Details |