JPS51147336A - Auto-focus adjustment appliance for microscope - Google Patents

Auto-focus adjustment appliance for microscope

Info

Publication number
JPS51147336A
JPS51147336A JP7081775A JP7081775A JPS51147336A JP S51147336 A JPS51147336 A JP S51147336A JP 7081775 A JP7081775 A JP 7081775A JP 7081775 A JP7081775 A JP 7081775A JP S51147336 A JPS51147336 A JP S51147336A
Authority
JP
Japan
Prior art keywords
auto
microscope
focus adjustment
adjustment appliance
appliance
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
JP7081775A
Other languages
Japanese (ja)
Other versions
JPS6052404B2 (en
Inventor
Ryuichi Suzuki
Shinji Yamamoto
Hideki Kono
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7081775A priority Critical patent/JPS6052404B2/en
Publication of JPS51147336A publication Critical patent/JPS51147336A/en
Publication of JPS6052404B2 publication Critical patent/JPS6052404B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)

Abstract

PURPOSE: Making three images of different optic actualpath-length at the same time, to compensate an out-of-focus at high speed.
COPYRIGHT: (C)1976,JPO&Japio
JP7081775A 1975-06-13 1975-06-13 automatic focus adjustment device Expired JPS6052404B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7081775A JPS6052404B2 (en) 1975-06-13 1975-06-13 automatic focus adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7081775A JPS6052404B2 (en) 1975-06-13 1975-06-13 automatic focus adjustment device

Publications (2)

Publication Number Publication Date
JPS51147336A true JPS51147336A (en) 1976-12-17
JPS6052404B2 JPS6052404B2 (en) 1985-11-19

Family

ID=13442494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7081775A Expired JPS6052404B2 (en) 1975-06-13 1975-06-13 automatic focus adjustment device

Country Status (1)

Country Link
JP (1) JPS6052404B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788417A (en) * 1980-11-21 1982-06-02 Hitachi Denshi Ltd Automatic focusing system
US4411504A (en) * 1980-10-23 1983-10-25 Canon Kabushiki Kaisha Focus detecting system
JPS58202671A (en) * 1982-05-21 1983-11-25 Hitachi Denshi Ltd Auto focus method
JPS5965813A (en) * 1982-10-06 1984-04-14 Olympus Optical Co Ltd Focusing detection system
US4496832A (en) * 1980-10-16 1985-01-29 Canon Kabushiki Kaisha Focusing state discriminating system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4496832A (en) * 1980-10-16 1985-01-29 Canon Kabushiki Kaisha Focusing state discriminating system
US4411504A (en) * 1980-10-23 1983-10-25 Canon Kabushiki Kaisha Focus detecting system
JPS5788417A (en) * 1980-11-21 1982-06-02 Hitachi Denshi Ltd Automatic focusing system
JPS58202671A (en) * 1982-05-21 1983-11-25 Hitachi Denshi Ltd Auto focus method
JPS5965813A (en) * 1982-10-06 1984-04-14 Olympus Optical Co Ltd Focusing detection system

Also Published As

Publication number Publication date
JPS6052404B2 (en) 1985-11-19

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