Multiplane information storage system and record carrier for use

Details Multiplane information storage system and record carrier for use Multiplane information storage system and record carrier for use

1997-01-23

1999-01-26

Hindi, Nabil

Dynamic information storage or retrieval

Systems having plural physically distinct independent tracks...

Having layered storage medium

3692751, G11B 700

Patent

active

058645306

ABSTRACT:
An information storage system is described which comprises a reading device (6) and an optical record carrier (5) having at least two information planes (1, 2, 3). The radiation from the record carrier is converted in a detection system (15) into a detection signal (16) which is applied to a detection circuit (17). In order that this circuit can derive the read information from the detection signal in a reliable manner, the interference signals generated by the information planes which are not to be read should comply with a requirement, referred to as the interference requirement, which is characteristic of the detection circuit. Values for the parameters of the record carrier, such as the thickness of the layers between the information planes and the reflection and transmission coefficients of the information planes then follow from this interference requirement.

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patent: 5373499 (1994-12-01), Imaino et al.
patent: 5381401 (1995-01-01), Best et al.
patent: 5477526 (1995-12-01), Inoue
patent: 5479394 (1995-12-01), Yashima et al.
patent: 5511057 (1996-04-01), Holtslag et al.
patent: 5608715 (1997-03-01), Yokogawa et al.

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