Patent · US Expired

Microfilm printer with microvalue pixel generation

US5030970A · kind A · utility

7Cited by

2References

14Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Fritz Rau · Unterhaching, DE
Hans-Joachim Vedder · Puchheim, DE

Key dates

Filing date	Jul 13, 1989
Grant date	Jul 9, 1991
Priority date	—
Expiry date	Jul 13, 2009

Classification

Technology area (CPC H)Electricity
CPC primaryH04N1/113
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A microfilm printer with microvalue pixel generation comprises means for converting digital image values supplied to a computer into light signals, optical means for indicating the light signals on a microfilm per each micro image linearly, the converting means including a light valve line with light valve line elements controlled by the computer, the optical means including a reducing optical element.

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