JPS51146850A - Optical detector - Google Patents

Optical detector

Info

Publication number
JPS51146850A
JPS51146850A JP7048875A JP7048875A JPS51146850A JP S51146850 A JPS51146850 A JP S51146850A JP 7048875 A JP7048875 A JP 7048875A JP 7048875 A JP7048875 A JP 7048875A JP S51146850 A JPS51146850 A JP S51146850A
Authority
JP
Japan
Prior art keywords
optical detector
paralled
projecting
maintain
improve
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
JP7048875A
Other languages
Japanese (ja)
Inventor
Yoshio Sanada
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7048875A priority Critical patent/JPS51146850A/en
Publication of JPS51146850A publication Critical patent/JPS51146850A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the detecting accuracy by projecting paralled light ray to maintain the image size of a subject constant.
COPYRIGHT: (C)1976,JPO&Japio
JP7048875A 1975-06-11 1975-06-11 Optical detector Pending JPS51146850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7048875A JPS51146850A (en) 1975-06-11 1975-06-11 Optical detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7048875A JPS51146850A (en) 1975-06-11 1975-06-11 Optical detector

Publications (1)

Publication Number Publication Date
JPS51146850A true JPS51146850A (en) 1976-12-16

Family

ID=13432942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7048875A Pending JPS51146850A (en) 1975-06-11 1975-06-11 Optical detector

Country Status (1)

Country Link
JP (1) JPS51146850A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6266111A (en) * 1985-09-19 1987-03-25 Rikagaku Kenkyusho Optical distance detecting device
JPS6281522A (en) * 1985-10-04 1987-04-15 Mitsubishi Electric Corp Range finder
JPS62197711A (en) * 1986-02-25 1987-09-01 Kougakushiya Eng Kk Optically image forming type non-contacting position measuring apparatus
JPS63159709A (en) * 1986-12-23 1988-07-02 Mitsutoyo Corp Monocontact displacement gauge
JPH0210212A (en) * 1988-06-29 1990-01-16 Mitsutoyo Corp Apparatus for measuring surface shape in non-contact manner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4880057A (en) * 1972-01-31 1973-10-26
JPS4953860A (en) * 1972-09-22 1974-05-25
JPS5059051A (en) * 1974-09-10 1975-05-22

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4880057A (en) * 1972-01-31 1973-10-26
JPS4953860A (en) * 1972-09-22 1974-05-25
JPS5059051A (en) * 1974-09-10 1975-05-22

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6266111A (en) * 1985-09-19 1987-03-25 Rikagaku Kenkyusho Optical distance detecting device
JPS6281522A (en) * 1985-10-04 1987-04-15 Mitsubishi Electric Corp Range finder
JPS62197711A (en) * 1986-02-25 1987-09-01 Kougakushiya Eng Kk Optically image forming type non-contacting position measuring apparatus
JPS63159709A (en) * 1986-12-23 1988-07-02 Mitsutoyo Corp Monocontact displacement gauge
JPH0210212A (en) * 1988-06-29 1990-01-16 Mitsutoyo Corp Apparatus for measuring surface shape in non-contact manner

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