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Browse Prior Art Database

Holographic Disc Test Apparatus

IP.com Disclosure Number: IPCOM000045889D
Original Publication Date: 1983-Apr-01
Included in the Prior Art Database: 2005-Feb-07

Publishing Venue

IBM

Related People

Authors:
Wolfheimer, AD [+details]

Abstract

This article describes a differential circuit for locating the interface between two adjacent facets on a holographic disc. A timing mark is placed on the disc at a known angular displacement from the interface.