| Patents for G05B 7 - Arrangements for obtaining smooth engagement or disengagement of automatic control (403) | |
|---|---|
| 03/1976 | |
| 03/02/1976 | US3942088 Proportional-integral circuit having means for change-over between automatic mode and handling mode |
| 02/1976 | |
| 02/24/1976 | US3940594 Automatic process controller with bumpless operation |
| 02/24/1976 | US3940593 Automatic process controller with digital memory |