JPH0332717U - - Google Patents

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Publication number
JPH0332717U
JPH0332717U JP9116589U JP9116589U JPH0332717U JP H0332717 U JPH0332717 U JP H0332717U JP 9116589 U JP9116589 U JP 9116589U JP 9116589 U JP9116589 U JP 9116589U JP H0332717 U JPH0332717 U JP H0332717U
Authority
JP
Japan
Prior art keywords
linear velocity
optical video
changing
detecting
video disc
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
JP9116589U
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 JP9116589U priority Critical patent/JPH0332717U/ja
Publication of JPH0332717U publication Critical patent/JPH0332717U/ja
Pending legal-status Critical Current

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  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)

Description

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

第１図は本考案の第１実施例の回路ブロツク図
、第２図は第２実施例の回路ブロツク図をそれぞ
れ示す。 ６……線速度検出手段、６′……線速度（デー
タ）検出手段、７……再生ビーム変更手段。 FIG. 1 shows a circuit block diagram of a first embodiment of the present invention, and FIG. 2 shows a circuit block diagram of a second embodiment. 6... Linear velocity detection means, 6'... Linear velocity (data) detection means, 7... Reproduction beam changing means.

Claims (1)

【実用新案登録請求の範囲】 再生ビーム波長に応じて記録線速度を設定して
成るデイスクレコードを再生する光学式ビデオデ
イスクプレーヤに於て、 前記デイスクレコードの記録線速度を検出する
線速度検出手段と、 該線速度検出手段の検出出力に基づいて再生ビ
ーム波長を変更するビーム変更手段とを、 配して成る光学式ビデオデイスクプレーヤ。[Scope of Claim for Utility Model Registration] In an optical video disc player that plays back a disc record in which the recording linear velocity is set according to the reproduction beam wavelength, linear velocity detection means for detecting the recording linear velocity of the disc record. An optical video disc player comprising: and a beam changing means for changing the reproduction beam wavelength based on the detection output of the linear velocity detecting means.
JP9116589U 1989-08-01 1989-08-01 Pending JPH0332717U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9116589U JPH0332717U (en) 1989-08-01 1989-08-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9116589U JPH0332717U (en) 1989-08-01 1989-08-01

Publications (1)

Publication Number Publication Date
JPH0332717U true JPH0332717U (en) 1991-03-29

Family

ID=31640663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9116589U Pending JPH0332717U (en) 1989-08-01 1989-08-01

Country Status (1)

Country Link
JP (1) JPH0332717U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977606A (en) * 1982-10-25 1984-05-04 Sony Corp Reproducing device of digital disc
JPS61184766A (en) * 1985-02-12 1986-08-18 Canon Inc Optical information recording and reproducing device
JPS61250859A (en) * 1985-04-27 1986-11-07 Nippon Kogaku Kk <Nikon> Information recording device by laser beam
JPS62188025A (en) * 1986-01-14 1987-08-17 Matsushita Electric Ind Co Ltd Recording and reproducing device for optical disk

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977606A (en) * 1982-10-25 1984-05-04 Sony Corp Reproducing device of digital disc
JPS61184766A (en) * 1985-02-12 1986-08-18 Canon Inc Optical information recording and reproducing device
JPS61250859A (en) * 1985-04-27 1986-11-07 Nippon Kogaku Kk <Nikon> Information recording device by laser beam
JPS62188025A (en) * 1986-01-14 1987-08-17 Matsushita Electric Ind Co Ltd Recording and reproducing device for optical disk

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