Device for the acquisition of the instantaneous angular position of moving means and opto-mechanical systems incorporating such a device
US5247173A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 1992 |
| Grant date | Sep 21, 1993 |
| Priority date | — |
| Expiry date | May 22, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention concerns device for the acquisition of the angular position of mobile means of the type including a luminous source emitting an incident beam in a known direction and a reflecting surface attached to the mobile means. The device also includes an array of elementary charge coupled sensors positioned so as to be at least partly scanned by the reflected beam. The device includes in addition optical means for limiting the width of the incident beam. The said array is connected to an electronic circuit producing a digital signal varying according to the position and/or the number of elementary sensors illuminated by the reflected beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.