JPS6280251U - - Google Patents

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Publication number
JPS6280251U
JPS6280251U JP17253585U JP17253585U JPS6280251U JP S6280251 U JPS6280251 U JP S6280251U JP 17253585 U JP17253585 U JP 17253585U JP 17253585 U JP17253585 U JP 17253585U JP S6280251 U JPS6280251 U JP S6280251U
Authority
JP
Japan
Prior art keywords
signal indicating
disk
optical pickup
disc
deriving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17253585U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP17253585U priority Critical patent/JPS6280251U/ja
Publication of JPS6280251U publication Critical patent/JPS6280251U/ja
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係るデイスク検出装置を示す
回路図、第２図はその動作波形図である。 Ｇ１はゲート（デイスクの装着の有無を示す信
号を導出する為の手段）、（ＨＦＯＫ）は焦点状
態を示す信号、（ＬＣＬＳ）はトレイ閉成信号。

Claims (1)

  1. 【実用新案登録請求の範囲】 光学式ピツクアツプを有するデイスク再生装置
    内へのデイスクの装着の有無を検出する為の装置
    であつて、 前記光学式ピツクアツプより放射される読出し
    ビームの焦点状態を示す信号及びデイスクが載置
    されるトレイの閉成を示す信号に基いてデイスク
    の装着の有無を示す信号を導出する手段を設けた
    ことを特徴とするデイスク検出装置。
JP17253585U 1985-11-08 1985-11-08 Pending JPS6280251U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17253585U JPS6280251U (ja) 1985-11-08 1985-11-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17253585U JPS6280251U (ja) 1985-11-08 1985-11-08

Publications (1)

Publication Number Publication Date
JPS6280251U true JPS6280251U (ja) 1987-05-22

Family

ID=31109161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17253585U Pending JPS6280251U (ja) 1985-11-08 1985-11-08

Country Status (1)

Country Link
JP (1) JPS6280251U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100234A (ja) * 1981-12-10 1983-06-14 Teac Co 光学再生装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100234A (ja) * 1981-12-10 1983-06-14 Teac Co 光学再生装置

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