Synchronous programmable parallel-to-serial data converter and a programmable longitudinal time code generator utilizing the converter
US4532557A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 8, 1983 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Apr 8, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A programmable time code generator utilizes a synchronous parallel-to-serial data converter for conversion of time code in parallel form into serial form. The resulting longitudinal time code is suitable for recording on magnetic tape in synchronism with an information signal. The time code generator can be readily adapted for various video recording formats, such as NTSC, PAL, PAL-M, SECAM, etc., as well as for synchronous time code generation in other types of recording. In addition, the frequency of the generated longitudinal time code can be changed in a simple manner to be adapted for recording at various tape speeds which are different from the normal playback speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.