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JPS5245353A - Automatically focusing device - Google Patents

Automatically focusing device

Info

Publication number
JPS5245353A
JPS5245353A JP12073075A JP12073075A JPS5245353A JP S5245353 A JPS5245353 A JP S5245353A JP 12073075 A JP12073075 A JP 12073075A JP 12073075 A JP12073075 A JP 12073075A JP S5245353 A JPS5245353 A JP S5245353A
Authority
JP
Japan
Prior art keywords
focusing device
image
automatically focusing
outpout
microscopes
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
JP12073075A
Other languages
Japanese (ja)
Inventor
Tamotsu Shimada
Shinji Yamamoto
Ryuichi Suzuki
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 JP12073075A priority Critical patent/JPS5245353A/en
Publication of JPS5245353A publication Critical patent/JPS5245353A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To make possible an effectively automatic correction when processing an image in microscopes or the like; this being achieved by controlling a focal point of an image input device with the aid of the outpout obtained by inputting into an image tube a plurality of the same images except that they differ in optical path length.
COPYRIGHT: (C)1977,JPO&Japio
JP12073075A 1975-10-08 1975-10-08 Automatically focusing device Pending JPS5245353A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12073075A JPS5245353A (en) 1975-10-08 1975-10-08 Automatically focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12073075A JPS5245353A (en) 1975-10-08 1975-10-08 Automatically focusing device

Publications (1)

Publication Number Publication Date
JPS5245353A true JPS5245353A (en) 1977-04-09

Family

ID=14793558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12073075A Pending JPS5245353A (en) 1975-10-08 1975-10-08 Automatically focusing device

Country Status (1)

Country Link
JP (1) JPS5245353A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108631A (en) * 1979-02-13 1980-08-21 Asahi Optical Co Ltd Focus detector of camera
JPS55108630A (en) * 1979-02-13 1980-08-21 Asahi Optical Co Ltd Focus detector of camera
JPS55108629A (en) * 1979-02-13 1980-08-21 Asahi Optical Co Ltd Focus detector of camera
JPS55110228A (en) * 1979-02-16 1980-08-25 Asahi Optical Co Ltd Focus detector of camera
JPS55155308A (en) * 1979-05-23 1980-12-03 Canon Inc Focusing position detecting system
JPS5611439A (en) * 1979-07-10 1981-02-04 Asahi Optical Co Ltd Focus detector of camera
JPS5767904A (en) * 1980-10-16 1982-04-24 Canon Inc Deciding system for adjusting state of focus
JPS57114112A (en) * 1981-01-06 1982-07-15 Canon Inc Image reader
EP0594307A1 (en) * 1992-10-19 1994-04-27 Davidson Textron Inc. Method for recovering PVC and urethane foam from commingled trim waste using elutriators
JPH0857854A (en) * 1995-07-12 1996-03-05 Hitachi Ltd Disposing method of waste matter

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108631A (en) * 1979-02-13 1980-08-21 Asahi Optical Co Ltd Focus detector of camera
JPS55108630A (en) * 1979-02-13 1980-08-21 Asahi Optical Co Ltd Focus detector of camera
JPS55108629A (en) * 1979-02-13 1980-08-21 Asahi Optical Co Ltd Focus detector of camera
JPS55110228A (en) * 1979-02-16 1980-08-25 Asahi Optical Co Ltd Focus detector of camera
JPS55155308A (en) * 1979-05-23 1980-12-03 Canon Inc Focusing position detecting system
JPS5611439A (en) * 1979-07-10 1981-02-04 Asahi Optical Co Ltd Focus detector of camera
JPS5767904A (en) * 1980-10-16 1982-04-24 Canon Inc Deciding system for adjusting state of focus
JPS57114112A (en) * 1981-01-06 1982-07-15 Canon Inc Image reader
EP0594307A1 (en) * 1992-10-19 1994-04-27 Davidson Textron Inc. Method for recovering PVC and urethane foam from commingled trim waste using elutriators
JPH0857854A (en) * 1995-07-12 1996-03-05 Hitachi Ltd Disposing method of waste matter

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