Event mark decoder for use with time code generator
US4171526A · kind A · utility
4Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 2, 1978 |
| Grant date | Oct 16, 1979 |
| Priority date | — |
| Expiry date | Oct 2, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C1/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A logic circuit for decoding parallel BCD output from a time code generator o operate an analog event marker pen on a strip chart recorder, every one minute a one second pulse, every ten minutes a ten second pulse, and every hour a sixty-one second pulse output is generated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.