JPS53147553A - State detector of spot light - Google Patents

State detector of spot light

Info

Publication number
JPS53147553A
JPS53147553A JP6181177A JP6181177A JPS53147553A JP S53147553 A JPS53147553 A JP S53147553A JP 6181177 A JP6181177 A JP 6181177A JP 6181177 A JP6181177 A JP 6181177A JP S53147553 A JPS53147553 A JP S53147553A
Authority
JP
Japan
Prior art keywords
spot light
state detector
spot
disposing
directions
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
JP6181177A
Other languages
Japanese (ja)
Other versions
JPS6110770B2 (en
Inventor
Naoto Kawamura
Katsumi Masaki
Koichi Sakugi
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP6181177A priority Critical patent/JPS53147553A/en
Publication of JPS53147553A publication Critical patent/JPS53147553A/en
Publication of JPS6110770B2 publication Critical patent/JPS6110770B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Mechanical Optical Scanning Systems (AREA)

Abstract

PURPOSE: To detect the state along the two directions of a spot by disposing a knife edge in a diagonal direction, i.e., not in a parallel or orthogonal direction, with respect to the relative moving direction of spot light.
COPYRIGHT: (C)1978,JPO&Japio
JP6181177A 1977-05-27 1977-05-27 State detector of spot light Granted JPS53147553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6181177A JPS53147553A (en) 1977-05-27 1977-05-27 State detector of spot light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6181177A JPS53147553A (en) 1977-05-27 1977-05-27 State detector of spot light

Publications (2)

Publication Number Publication Date
JPS53147553A true JPS53147553A (en) 1978-12-22
JPS6110770B2 JPS6110770B2 (en) 1986-03-31

Family

ID=13181835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6181177A Granted JPS53147553A (en) 1977-05-27 1977-05-27 State detector of spot light

Country Status (1)

Country Link
JP (1) JPS53147553A (en)

Also Published As

Publication number Publication date
JPS6110770B2 (en) 1986-03-31

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