JPS6176518U - - Google Patents

Info

Publication number
JPS6176518U
JPS6176518U JP16017784U JP16017784U JPS6176518U JP S6176518 U JPS6176518 U JP S6176518U JP 16017784 U JP16017784 U JP 16017784U JP 16017784 U JP16017784 U JP 16017784U JP S6176518 U JPS6176518 U JP S6176518U
Authority
JP
Japan
Prior art keywords
photo sensor
optical pick
matrix
create
error signal
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
JP16017784U
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 JP16017784U priority Critical patent/JPS6176518U/ja
Publication of JPS6176518U publication Critical patent/JPS6176518U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る光学式ピツクアツプ装置
のフオトセンサと焦点の状態の関係を示す図、第
2図は光学式ピツクアツプ装置を示す図である。 4は対物レンズ、5はフオトセンサ、Dはデイ
スク、PDはフオトダイオード。

Claims (1)

  1. 【実用新案登録請求の範囲】 焦点づれに応じて変化するフオトセンサ上に於
    けるビームの照射面積を利用してフオーカスエラ
    ー信号を作成する構成とした光学式ピツクアツプ
    装置であつて、 前記フオトセンサをマトリツクス状に多分割さ
    れたフオトセンサにて構成したことを特徴とする
    光学式ピツクアツプ装置。
JP16017784U 1984-10-22 1984-10-22 Pending JPS6176518U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16017784U JPS6176518U (ja) 1984-10-22 1984-10-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16017784U JPS6176518U (ja) 1984-10-22 1984-10-22

Publications (1)

Publication Number Publication Date
JPS6176518U true JPS6176518U (ja) 1986-05-23

Family

ID=30718103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16017784U Pending JPS6176518U (ja) 1984-10-22 1984-10-22

Country Status (1)

Country Link
JP (1) JPS6176518U (ja)

Similar Documents

Publication Publication Date Title
JPS6176518U (ja)
JPS6222726U (ja)
JPS6183115U (ja)
JPS61195534U (ja)
JPS62142726U (ja)
JPS6148428U (ja)
JPS632220U (ja)
JPH02128220U (ja)
JPH03121521U (ja)
JPS6183120U (ja)
JPS63176925U (ja)
JPH02105225U (ja)
JPS62198516U (ja)
JPH0197414U (ja)
JPS6384728U (ja)
JPS61170122U (ja)
JPS6322615U (ja)
JPS6322611U (ja)
JPH0349626U (ja)
JPH02135920U (ja)
JPS6415318U (ja)
JPS63193221U (ja)
JPS61203428U (ja)
JPS61174026U (ja)
JPS61195533U (ja)