JPS5988976U - オ−トフオ−カス制御回路 - Google Patents

オ−トフオ−カス制御回路

Info

Publication number
JPS5988976U
JPS5988976U JP18510582U JP18510582U JPS5988976U JP S5988976 U JPS5988976 U JP S5988976U JP 18510582 U JP18510582 U JP 18510582U JP 18510582 U JP18510582 U JP 18510582U JP S5988976 U JPS5988976 U JP S5988976U
Authority
JP
Japan
Prior art keywords
output
focus control
circuit
control circuit
auto focus
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
JP18510582U
Other languages
English (en)
Inventor
達夫 平松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP18510582U priority Critical patent/JPS5988976U/ja
Publication of JPS5988976U publication Critical patent/JPS5988976U/ja
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す回路ブロツク図、第２
図は同回路の動作説明図をそれぞれ顕わす。 主な図番の説明、１・・・・・・遅延回路、２・・曲差
動アンプ、３・・・・・・全波整流回路、４・・・・・
・ＡＤ変換回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 輝度信号を遅延して遅延信号を導出する遅延回路と、前
    記輝度信号と前記遅延信号とを差動入力とする差動アン
    プと、該アンプ出力を絶対値化する両波整流回路と、該
    整流出力を遅延期間相当周期でＡＤ変換するＡＤ変換回
    路と、該変換出力を記憶するＲＡＭと、該ＲＡＭ出力を
    演算してフォーカスレンズ移動用のフォーカス制御モー
    タをコントロールするマイクロコンピュータとより成る
    オートフォーカス回路。
JP18510582U 1982-12-06 1982-12-06 オ−トフオ−カス制御回路 Pending JPS5988976U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18510582U JPS5988976U (ja) 1982-12-06 1982-12-06 オ−トフオ−カス制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18510582U JPS5988976U (ja) 1982-12-06 1982-12-06 オ−トフオ−カス制御回路

Publications (1)

Publication Number Publication Date
JPS5988976U true JPS5988976U (ja) 1984-06-16

Family

ID=30400175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18510582U Pending JPS5988976U (ja) 1982-12-06 1982-12-06 オ−トフオ−カス制御回路

Country Status (1)

Country Link
JP (1) JPS5988976U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6416179A (en) * 1987-07-10 1989-01-19 Canon Kk Automatic focusing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105722A (ja) * 1975-03-14 1976-09-18 Yokogawa Electric Works Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105722A (ja) * 1975-03-14 1976-09-18 Yokogawa Electric Works Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6416179A (en) * 1987-07-10 1989-01-19 Canon Kk Automatic focusing device

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