Video signal recording and reproducing apparatus for digital video cassette tape recorder
US6014492A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1997 |
| Grant date | Jan 11, 2000 |
| Priority date | — |
| Expiry date | Jan 23, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/4673
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video signal recording and reproducing apparatus for a digital video cassette tape recorder by which it is possible to judge the transmission amount of the digital data inputted from a digital source, the type of the video tape, and whether or not the tape is recorded in accordance with the judgment result, for thus automatically controlling a recording mode and a reproducing mode, which includes a tape type detector for judging a tape type in accordance with a recordable wavelength of the video tape on which a digital signal is recorded; a data rate detector for detecting and judging a data transfer rate of a digital signal, and a controller for varying a recording or reproducing speed in accordance with the judged tape type and the data transfer rate of the digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.