Angle sensor
US4692613A · kind A · utility
5Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1985 |
| Grant date | Sep 8, 1987 |
| Priority date | — |
| Expiry date | Apr 17, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/34
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A light shielding plate rotated by the shaft of an object to be measured is provided with a slit. The distance between the slit and the axis of the shaft varies continuously. A light source and a linear light receiving element are disposed on opposite sides of the light shielding plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.