JPS5232324A - Photoelectric detecting device for in or out of focus in the optical s ystem - Google Patents

Photoelectric detecting device for in or out of focus in the optical s ystem

Info

Publication number
JPS5232324A
JPS5232324A JP10800875A JP10800875A JPS5232324A JP S5232324 A JPS5232324 A JP S5232324A JP 10800875 A JP10800875 A JP 10800875A JP 10800875 A JP10800875 A JP 10800875A JP S5232324 A JPS5232324 A JP S5232324A
Authority
JP
Japan
Prior art keywords
focus
ystem
optical
detecting device
photoelectric detecting
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
JP10800875A
Other languages
Japanese (ja)
Other versions
JPS5613284B2 (en
Inventor
Tsunemi Gonda
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.)
Nikon Corp
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
Nippon Kogaku KK
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 Nippon Chemical Industrial Co Ltd, Nippon Kogaku KK filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP10800875A priority Critical patent/JPS5232324A/en
Publication of JPS5232324A publication Critical patent/JPS5232324A/en
Publication of JPS5613284B2 publication Critical patent/JPS5613284B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)

Abstract

PURPOSE: To detect in or out of focus with a high accuracy by fixing a chart plate in which the arranging directions of patterns are changed, and scanning the image of an object with a rotatable prism.
COPYRIGHT: (C)1977,JPO&Japio
JP10800875A 1975-09-08 1975-09-08 Photoelectric detecting device for in or out of focus in the optical s ystem Granted JPS5232324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10800875A JPS5232324A (en) 1975-09-08 1975-09-08 Photoelectric detecting device for in or out of focus in the optical s ystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10800875A JPS5232324A (en) 1975-09-08 1975-09-08 Photoelectric detecting device for in or out of focus in the optical s ystem

Publications (2)

Publication Number Publication Date
JPS5232324A true JPS5232324A (en) 1977-03-11
JPS5613284B2 JPS5613284B2 (en) 1981-03-27

Family

ID=14473640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10800875A Granted JPS5232324A (en) 1975-09-08 1975-09-08 Photoelectric detecting device for in or out of focus in the optical s ystem

Country Status (1)

Country Link
JP (1) JPS5232324A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642205A (en) * 1979-09-17 1981-04-20 Nippon Kogaku Kk <Nikon> Focus detecting method
JPS62262810A (en) * 1986-05-01 1987-11-14 コンジグリオ　ナツオナ−レ　デレ　リセルシエ Automatically focusing apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642205A (en) * 1979-09-17 1981-04-20 Nippon Kogaku Kk <Nikon> Focus detecting method
JPH0141962B2 (en) * 1979-09-17 1989-09-08 Nikon Kk
JPS62262810A (en) * 1986-05-01 1987-11-14 コンジグリオ　ナツオナ−レ　デレ　リセルシエ Automatically focusing apparatus

Also Published As

Publication number Publication date
JPS5613284B2 (en) 1981-03-27

Similar Documents

Publication Publication Date Title
JPS5385452A (en) Range finder
JPS53141030A (en) Camera provided with focused point detector
JPS52147430A (en) Focus detection device
JPS5371850A (en) Position detector
JPS5690233A (en) Automatic lens meter
JPS52138924A (en) Focal detector
JPS5232324A (en) Photoelectric detecting device for in or out of focus in the optical s ystem
JPS53144366A (en) Movement measuring method of objects
JPS5244656A (en) Method of measuring camber of steel plates
JPS5310487A (en) Location of ultrasonic probe and device therefor
JPS5289360A (en) Jam detector
JPS51146850A (en) Optical detector
JPS5417038A (en) Optical scanning system
JPS51120247A (en) A range finder
JPS5431766A (en) Response function measuring method of imaging optical system
JPS5327439A (en) Focus measuring device
JPS5425756A (en) Moving object position detector
JPS5435655A (en) Picture discrimination unit
JPS5435764A (en) Distance measuring apparatus
JPS5317330A (en) Display means for focusing condition
JPS5397826A (en) Focal point detecting system
JPS5417764A (en) Plane shape measuring system
JPS5280026A (en) Focus detection means
JPS51131648A (en) Optical height measuring apparatus
JPS545323A (en) Compensating unit for light source output variation