Timing system having infared start-stop gates
US3932746A · kind A · utility
10Cited by
4References
18Claims
0Family size
Inventor
Key dates
| Filing date | Apr 5, 1974 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Apr 5, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F10/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This highly portable, self-contained timing system includes photoelectronic start-stop gates which employ a pulsed invisible light beam as a means for communicating a condition of elapsed time and for aligning each gate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.