Recording apparatus and reproducing apparatus for video signals
US5627655A · kind A · utility
104Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1994 |
| Grant date | May 6, 1997 |
| Priority date | — |
| Expiry date | Oct 28, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91328
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a reproducing apparatus, a generator circuit for adding copy information during the vertical blanking period of a reproduced video signal output is provided, and copy information in compliance with copy information contained in the reproduced signal is added and delivered. In a recording apparatus, a detection circuit for detecting copy information in an inputted video signal is provided, and permission/inhibition of copy is controlled on the basis of the detected copy information and when copy is permitted, necessary copy information is generated and added to a recording signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.