Method and apparatus for controlling the disk tray by...

Details Method and apparatus for controlling the disk tray by... Method and apparatus for controlling the disk tray by...

2005-07-26

2005-07-26

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S030360, C720S606000

Reexamination Certificate

active

06922378

ABSTRACT:
This invention relates specifically to a method for controlling the disc tray of a data reproducing device, in which the data reproducing device comprises at least a tray motor for driving the disc tray. The method comprises the following steps, including: a step for disposing a detection circuit electrically connected with the motor for detecting a back emf, which is generated when the motor is driven to rotate by an external force; a step for outputting from the detection circuit a signal of moving disc tray when the back emf is sensed; a step for a servo-controller to receive a signal of moving disc tray; and a step for the servo-controller to move the disc tray into the data reproducing device after the signal reception is completed.

REFERENCES:
patent: 5210725 (1993-05-01), Kase et al.
patent: 5485330 (1996-01-01), Hirose et al.
patent: 5574711 (1996-11-01), Nakamichi
patent: 5784350 (1998-07-01), Akiba et al.
patent: 6005833 (1999-12-01), Yasuma et al.
patent: 6041030 (2000-03-01), Ohmi

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