Apparatus for a high definition VCR which selects a video signal characteristic to be transmitted depending on characteristics of the tap and channel
US5448369A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 1994 |
| Grant date | Sep 5, 1995 |
| Priority date | — |
| Expiry date | Feb 14, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/926
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A signal characteristic variation apparatus for a high definition VCR in which a characteristic of a video signal is varied according to characteristics of a tape and a channel. A predetermined frequency band of test signal is recorded on the tape for recording the tape and channel characteristics in a recording mode. This enables the video signal to be recorded on the tape in the proper mode and permits, in the play-back mode, the tape and channel characteristics to be discriminated by detecting the test signal recorded on the tape. Therefore, the video signal can be played back from the tape with its frequency characteristic properly adjusted according to the discriminated tape and channel characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.