Patent · US Expired

Apparatus and method for holographic storage of data

US3990771A · kind A · utility

3Cited by

6References

5Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Ulrich V. Hundelshausen, deceased
by Burkhard V. Hundelshausen, heir
by Irmela V. Bismarck, heir
Hans Eschler
Manfred Lang · Wuppertal, DE
Gerd Goldmann · Krefeld, DE
Peter Graf
Horst Kiemle

Key dates

Filing date	Mar 22, 1974
Grant date	Nov 9, 1976
Priority date	—
Expiry date	Mar 22, 1994

Classification

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

Abstract

Apparatus and method for holographic storage of data utilizing a light source and a number of light deflectors such that a single beam can be used to read data from a number of different holograms simultaneously.

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