Electronically controlled magnetic recording
US4255767A · kind A · utility
4Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 15, 1979 |
| Grant date | Mar 10, 1981 |
| Priority date | — |
| Expiry date | Jan 15, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/27
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electronically controlled magnetic recorder for rapidly optically scanning an original document at a distance and for producing a latent magnetic image thereof. An electronic interface between the optical scanner and the magnetic recording head includes optional electronic halftoning circuitry, circuitry for controlling system and subsystem timing; memory circuits; write drivers and circuitry for controlling pixel alignment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.