Rotary head type PCM recorder
US4670796A · kind A · utility
14Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1984 |
| Grant date | Jun 2, 1987 |
| Priority date | — |
| Expiry date | Jun 27, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8063
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The recording area of the magnetic tape is divided into a first area for recording a PCM converted audio signal and a second area for recording a PCM converted video information. In recording the audio signal and the video information which have been separately PCM converted, the magnetic tape is wrapped around the rotary heads so that a wrap angle of each of said first and second areas is less than 90.degree. with respect to the rotary heads of a predetermined diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.