Patent · US Expired

Apparatus for electro-optically recording pictorial information for a facsimile transmission system

US4240117A · kind A · utility

12Cited by
12References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 1978
Grant dateDec 16, 1980
Priority date
Expiry dateOct 23, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/1911
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Apparatus for electro-optically recording picture information comprising a scanning a picture with a head having multiple electrical optical scanning devices which can be simultaneously moved across the picture and wherein the output of the scanning devices are applied to two storage devices and the scanning device is passed laterally across a picture and then advanced at right angles to the scanning motion and then the scanning head is scanned back across the picture in the opposite direction to the first scan during which time the information from the scanning head is stored in a second plurality of memories. Means for transmitting and recording the information are also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.