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| Number | Title | Issue Date |
| 4940926 | Instruction generator for controlling the position of an element, in particular a sliding opening element of an automobile vehicle The generator comprises means (2) for adjusting and an associated calculator, the adjusting means (2) comprising an endless rotative knob (4) capable of rotating through a given angle of which the position of the element to be controlled is a direct funct... | 07/10/1990 |
| 4250440 | Multiple-purpose closed-loop, automatic control system A multiple-purpose, closed-loop, automatic control system comprising: a system controlled; a detecting means for detecting a controlled variable output from the system controlled and converting the controlled variable into an electrical feedback signal; a sign... | 02/10/1981 |
| 4207507 | Electronic controller A signal generator for producing a control signal to control specific operations based upon the angular position of a rotating part in devices such as molding presses. An electrical signal related to the position of the rotating part is generated by using... | 06/10/1980 |
| 4117386 | Digital continuous potentiometer servo feedback element A servo system feedback element including a potentiometer for providing a follow-up output having a waveform wherein the follow-up output increases linearly to a maximum value and decreases linearly to zero resulting in smooth operation of the servo for t... | 09/26/1978 |
| 4031446 | Machine tool A machine tool having an electrical means for producing a non-cylindrical surface of revolution.... | 06/21/1977 |
