Time code generator
US4503470A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1982 |
| Grant date | Mar 5, 1985 |
| Priority date | — |
| Expiry date | Jan 20, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A time code generator having a time code generating circuit for generating a first time code signal in response to a vertical synchronizing signal, a memory for storing a second time code signal reproduced from a VTR, a circuit for comparing the first time code signal with the second time code signal to produce an inconformity signal, a counter for counting the inconformity signal and a circuit for loading the second time code signal to the time code generating circuit according to an output of the counter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.