JPH0394621U

JPH0394621U -

Info

Publication number: JPH0394621U
Application number: JP118690U
Authority: JP
Priority date: 1990-01-12
Filing date: 1990-01-12
Publication date: 1991-09-26

Description

[Brief explanation of the drawing]

第１図乃至第４図はこの考案に係る光デイスク
プレーヤの実施例を示し、第１図は機能ブロツク
図、第２図ａはトレイの斜視図、第２図ｂはトレ
イの断面図、第３図はハードウエアのブロツク図
、第４図は要部のフローチヤートである。主な符合の説明、１…トレイ、２…載置台、２
ａ_１，２ａ_２，２ｂ，２ｂ_２，２ｃ_１，２ｃ_２…
スイツチ、４…マイクロコンピユータ。 1 to 4 show an embodiment of the optical disk player according to this invention, in which FIG. 1 is a functional block diagram, FIG. 2a is a perspective view of the tray, FIG. 2b is a sectional view of the tray, and FIG. FIG. 3 is a block diagram of the hardware, and FIG. 4 is a flowchart of the main parts. Explanation of main symbols, 1...Tray, 2...Placement stand, 2
a ₁ , 2a ₂ , 2b, 2b ₂ , 2c ₁ , 2c ₂ ...
Switch, 4...Microcomputer.

Claims

[Claims for Utility Model Registration] 1. In an optical disc player equipped with an optical pickup focus control device, a tracking control device, and a spindle control device for controlling an optical disc motor, identifying the presence or absence of an optical disc on a tray. a tray retracting means for retracting the tray based on the identification result of the first identifying means; a second identifying means for identifying whether or not the tray has been retracted to a predetermined position; An optical disc player comprising: a reproduction control means for controlling the focus control device, the tracking control device, and the spindle control device based on the identification result of the first identification device and the identification result of the second identification device. . 2. The first identification means is composed of a first detection means for detecting the presence or absence of an optical disk having a first outer diameter size, and a second detection means for detecting the presence or absence of an optical disk having a second outer diameter size. The optical disc player according to claim 1, characterized in that: