Proportional drive servo controller with arrayed position detector
US4710641A · kind A · utility
4Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1986 |
| Grant date | Dec 1, 1987 |
| Priority date | — |
| Expiry date | Jun 27, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B35/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A precise position control for maintaining the burn face of a propellant sample within a precise optical depth of field positional range during burn face recession that may be non-uniform in nature. The position control employs an array of laser excited binary signal optical sensors with closed loop digital and analog electronic signal processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.