JPS6344224U - - Google Patents

Info

Publication number
JPS6344224U
JPS6344224U JP13872286U JP13872286U JPS6344224U JP S6344224 U JPS6344224 U JP S6344224U JP 13872286 U JP13872286 U JP 13872286U JP 13872286 U JP13872286 U JP 13872286U JP S6344224 U JPS6344224 U JP S6344224U
Authority
JP
Japan
Prior art keywords
optical disc
writing
erasing
laser beam
disk
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
JP13872286U
Other languages
Japanese (ja)
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 JP13872286U priority Critical patent/JPS6344224U/ja
Publication of JPS6344224U publication Critical patent/JPS6344224U/ja
Pending legal-status Critical Current

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  • Optical Head (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本案装置全体の模式図、第２図は半導
体レーザを示す斜視図、第３図はトラツク上のビ
ームスポツトの配置説明図である。 １０……半導体レーザ、３０……光磁気デイス
ク。 FIG. 1 is a schematic diagram of the entire device of the present invention, FIG. 2 is a perspective view showing a semiconductor laser, and FIG. 3 is an explanatory diagram of the arrangement of beam spots on a track. 10... Semiconductor laser, 30... Magneto-optical disk.

Claims (1)

【実用新案登録請求の範囲】 書換え可能な光デイスクへレーザビームを照射
して消去、書込及び再生を行う光デイスク装置に
おいて、 １又は２以上の半導体レーザから発した３本の
レーザビームが照射される光デイスク上の３ビー
ムスポツトを、光デイスクの回転方向順に消去用
、書込用、再生用としてあることを特徴とする光
デイスク装置。[Claims for Utility Model Registration] In an optical disk device that performs erasing, writing, and reproduction by irradiating a rewritable optical disk with a laser beam, three laser beams emitted from one or more semiconductor lasers irradiate the disk with a laser beam. An optical disc device characterized in that three beam spots on an optical disc are used for erasing, writing, and reproducing in the order of rotational direction of the optical disc.
JP13872286U 1986-09-09 1986-09-09 Pending JPS6344224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13872286U JPS6344224U (en) 1986-09-09 1986-09-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13872286U JPS6344224U (en) 1986-09-09 1986-09-09

Publications (1)

Publication Number Publication Date
JPS6344224U true JPS6344224U (en) 1988-03-24

Family

ID=31043962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13872286U Pending JPS6344224U (en) 1986-09-09 1986-09-09

Country Status (1)

Country Link
JP (1) JPS6344224U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60171647A (en) * 1984-02-16 1985-09-05 Fujitsu Ltd Optical head
JPS60234246A (en) * 1984-05-04 1985-11-20 Matsushita Electric Ind Co Ltd Optical head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60171647A (en) * 1984-02-16 1985-09-05 Fujitsu Ltd Optical head
JPS60234246A (en) * 1984-05-04 1985-11-20 Matsushita Electric Ind Co Ltd Optical head

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