Rotary head magnetic recording at fixed wavelength with varying speeds
US4135194A · kind A · utility
1Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 3, 1976 |
| Grant date | Jan 16, 1979 |
| Priority date | — |
| Expiry date | Dec 3, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/27
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A variable speed, fixed wavelength magnetic imaging system is provided by generating a signal having a frequency proportional to the speed of a rotational recording member and using that signal to provide a recording frequency of fixed wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.