Apparatus and method for reducing program selection time in...

Details Apparatus and method for reducing program selection time in... Apparatus and method for reducing program selection time in...

2006-05-09

2006-05-09

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S030330, C720S614000, C720S615000

Reexamination Certificate

active

07042815

ABSTRACT:
An apparatus and a method of reducing a program selection time in an optical disc multi-changer by determining whether a disc is mounted on a disc mounting unit before it is determined whether the disc is chucked and a type of the disc is discriminated. The method of operating the optical disc multi-changer having a tray with disc mounting units, includes receiving a signal to determine whether a disc is mounted on a current disc mounting unit of the disc mounting units, outputting a command signal to move to a next disc mounting unit of the disc mounting units where the received signal indicates that no disc is mounted on the current disc mounting unit, and receiving a program selection signal where the received signal is received from all disc mounting units. Accordingly, it is possible to reduce a program selection time by determining whether the disc is mounted on the disc mounting unit before the disc chucking and discrimination of the type of the disc are performed.

REFERENCES:
patent: 5903527 (1999-05-01), Park
patent: 6320827 (2001-11-01), Otsuka
patent: 6603721 (2003-08-01), Kim et al.
patent: 6621769 (2003-09-01), Ochi
patent: 6791909 (2004-09-01), Takenaka
patent: 6791911 (2004-09-01), Zhou et al.
patent: 1998-61650 (1998-07-01), None

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