Optical disk player

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium

Reexamination Certificate

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Reexamination Certificate

active

07656754

ABSTRACT:
An available term of use of the player is set in terms of the number of dates or a playing time. If it is determined by a lock-setting determining unit that the player is lock-set when an optical disk is loaded, the player is lock-released by a lock releasing unit. After the player has been lock-released, if the available term is extended as a result that it is determined by an available term determining unit that the available term has expired or if it is determined that the available term has not expired yet, a playing start processing unit proceeds to processing of starting the playing. If the available term has expired, but should not be extended, the player is lock-set by a lock setting unit.

REFERENCES:
patent: 4626106 (1986-12-01), Hooper
patent: 4898814 (1990-02-01), Kwon
patent: 5905797 (1999-05-01), McRae
patent: 6104813 (2000-08-01), McRae
patent: 7233916 (2007-06-01), Schultz
patent: 2005/0251834 (2005-11-01), Hulbig
patent: 8-195064 (1996-07-01), None
patent: 9-512657 (1997-12-01), None
patent: 10-334592 (1998-12-01), None
patent: 2001-283018 (2001-10-01), None
patent: 2002-50126 (2002-02-01), None
patent: 2002-123801 (2002-04-01), None

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