JPS5443005A - Method and apparatus for automatic focus controlling - Google Patents

Method and apparatus for automatic focus controlling

Info

Publication number
JPS5443005A
JPS5443005A JP10890877A JP10890877A JPS5443005A JP S5443005 A JPS5443005 A JP S5443005A JP 10890877 A JP10890877 A JP 10890877A JP 10890877 A JP10890877 A JP 10890877A JP S5443005 A JPS5443005 A JP S5443005A
Authority
JP
Japan
Prior art keywords
automatic focus
focus controlling
controlling
astigmatism
detection
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.)
Granted
Application number
JP10890877A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6233659B2 (enrdf_load_stackoverflow
Inventor
Kenichi Oikami
Shohei Nagai
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP10890877A priority Critical patent/JPS5443005A/ja
Priority to US05/940,660 priority patent/US4223348A/en
Publication of JPS5443005A publication Critical patent/JPS5443005A/ja
Publication of JPS6233659B2 publication Critical patent/JPS6233659B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
JP10890877A 1977-09-12 1977-09-12 Method and apparatus for automatic focus controlling Granted JPS5443005A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10890877A JPS5443005A (en) 1977-09-12 1977-09-12 Method and apparatus for automatic focus controlling
US05/940,660 US4223348A (en) 1977-09-12 1978-09-08 Automatic focussing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10890877A JPS5443005A (en) 1977-09-12 1977-09-12 Method and apparatus for automatic focus controlling

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP1685087A Division JPS62188032A (ja) 1987-01-27 1987-01-27 光学的情報読取装置

Publications (2)

Publication Number Publication Date
JPS5443005A true JPS5443005A (en) 1979-04-05
JPS6233659B2 JPS6233659B2 (enrdf_load_stackoverflow) 1987-07-22

Family

ID=14496674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10890877A Granted JPS5443005A (en) 1977-09-12 1977-09-12 Method and apparatus for automatic focus controlling

Country Status (1)

Country Link
JP (1) JPS5443005A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263338A (ja) * 1984-06-08 1985-12-26 Sony Corp フォーカス誤差検出装置
JPS6145419A (ja) * 1984-08-09 1986-03-05 Fujitsu Ltd 光ピツクアツプ
JPH01220134A (ja) * 1988-02-26 1989-09-01 Matsushita Electric Ind Co Ltd 光ヘッド装置
WO2013111432A1 (ja) 2012-01-23 2013-08-01 日本電気硝子株式会社 ガラス管の清浄切断装置と清浄切断方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263338A (ja) * 1984-06-08 1985-12-26 Sony Corp フォーカス誤差検出装置
JPS6145419A (ja) * 1984-08-09 1986-03-05 Fujitsu Ltd 光ピツクアツプ
JPH01220134A (ja) * 1988-02-26 1989-09-01 Matsushita Electric Ind Co Ltd 光ヘッド装置
WO2013111432A1 (ja) 2012-01-23 2013-08-01 日本電気硝子株式会社 ガラス管の清浄切断装置と清浄切断方法

Also Published As

Publication number Publication date
JPS6233659B2 (enrdf_load_stackoverflow) 1987-07-22

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