Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1995-01-12
1997-11-04
Hindi, Nabil
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
G11B 700
Patent
active
056847866
ABSTRACT:
A record carrier on which a first information volume and an additional information volume are recorded. The first information volume includes audio information, preferably recorded in accordance with the Compact Disc Digital Audio standard. The additional volume includes additional non-audio information related to the audio information recorded in the first information volume. The additional volume also includes control information for searching for information in both the first and the second information volumes. A dedicated data reading apparatus for such a record carrier firstly accesses the additional information volume. On the basis of the control information, the dedicate data reading apparatus can also access the audio information in the first information volume. An audio reading apparatus which can not handle the additional non-audio information automatically accesses the first information volume.
REFERENCES:
patent: 4847708 (1989-07-01), Furuyama
patent: 4893193 (1990-01-01), Nakamura et al.
patent: 4901301 (1990-02-01), Senshu
patent: 5177720 (1993-01-01), Kondo
patent: 5210734 (1993-05-01), Sakurai
patent: 5313443 (1994-05-01), Iitsuka
patent: 5315400 (1994-05-01), Kurata et al.
Dieleman Adrianus H.
Schepers Jos G.
Schylander Erik Christian
Westerhout Gerrit D.
Hindi Nabil
Marion Michael E.
U.S. Philips Corporation
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