Patent · US Expired

Apparatus for recording multiple, superimposed, independent images on microfilm

US4185913A · kind A · utility

14Cited by
7References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 1977
Grant dateJan 29, 1980
Priority date
Expiry dateDec 15, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K15/1295
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A microfiche recorder capable of optically combining, aligning and superimposing at least three independent images from a computer controlled CRT, a raster plate which is size and position coordinated with the CRT, and a multiple, random access graphic image projector. The CRT, raster plate and projector are arranged along angularly inclined optical axes and optics are provided which combined and optically align the respective images and reduce their sizes by differing factors to a common microfiche recording size.

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