Patent · US Expired

Method of making light-dot distribution for the holographic storage of binary information with the aid of electronically controlled switching masks

US3946370A · kind A · utility

10Cited by

4References

3Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Klaus-Peter Schmidt · Bonn, DE
Bernhard Hill · Hamburg, DE

Key dates

Filing date	May 19, 1975
Grant date	Mar 23, 1976
Priority date	—
Expiry date	May 19, 1995

Classification

Technology area (CPC G)Physics
CPC primaryG11C13/042
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

The invention relates to a method of making light dot distributions for the holographic storage of binary information with the aid of electronically controlled switching masks, characterized in that the individual elements of the switching mask are modulated in their path length through fading of the interference structure in the hologram associated with said elements.

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