Recording apparatus for recording main information with additional information
US5132807A · kind A · utility
88Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1989 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Jul 21, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S358/906
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for recording main information signals in tracks formed on a recording medium, wherein the track is not only made up from the recording area for the main information signals, but also provided with a recording area for additional information signals, whereby digital additional information signals and analog additional information signals are recorded in frequency-multiplexed relation on the additional information signal recording area, thus forming an information signal recording apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.