Edge timing in an optical measuring apparatus
US4332475A · kind A · utility
6Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 1980 |
| Grant date | Jun 1, 1982 |
| Priority date | — |
| Expiry date | Jun 3, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B11/105
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electro-optical sensor is described which provides a high resolution measurement of the location of the edge of an object. By passing the electrical pulse produced by an edge sensor into a multiply tapped delay line the location of the edge of an object can be measured with high resolution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.