Signal recording and reproducing method and signal recording and reproducing unit
US6639747B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1999 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Aug 2, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a signal recording and reproducing method used for video tape recorder. An erasing position precedes a recording position and a reproducing position precedes the erasing position. By using a period when reproducing does not reproduce a signal recorded on a track of a tape-like storage medium, the period occurring during recording and reproducing operation, recording apparatus records a signal on a recording track or erasing apparatus erases a signal recorded on a recording track. Hereby, if a signal recorded on a recording track of the tape-like storage medium is processed and replaced, the signal recorded on the recording track of the tape-like storage medium can be satisfactorily reproduced without being influenced by signal recording operation and signal erasing operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.