JPS51144635A - Photo-divider - Google Patents

Photo-divider

Info

Publication number
JPS51144635A
JPS51144635A JP50068766A JP6876675A JPS51144635A JP S51144635 A JPS51144635 A JP S51144635A JP 50068766 A JP50068766 A JP 50068766A JP 6876675 A JP6876675 A JP 6876675A JP S51144635 A JPS51144635 A JP S51144635A
Authority
JP
Japan
Prior art keywords
diffraction
divider
photo
diffraction body
straying
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
JP50068766A
Other languages
Japanese (ja)
Other versions
JPS583201B2 (en
Inventor
Kazuya Matsumoto
Susumu Matsumura
Aiichiro Koyama
Yoichi Okuno
Tokuichi Tsunekawa
Tadashi Ito
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 JP50068766A priority Critical patent/JPS583201B2/en
Priority to US05/691,628 priority patent/US4103153A/en
Publication of JPS51144635A publication Critical patent/JPS51144635A/en
Priority to US05/869,447 priority patent/US4178084A/en
Publication of JPS583201B2 publication Critical patent/JPS583201B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: When light is divided by using diffraction grating-like diffraction body, the holding the diffraction body by glass plates with the nearly same refractive indexes as the diffraction body prevents the generation of straying lights.
COPYRIGHT: (C)1976,JPO&Japio
JP50068766A 1975-06-06 1975-06-06 Hikari Bun Katsuki Expired JPS583201B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP50068766A JPS583201B2 (en) 1975-06-06 1975-06-06 Hikari Bun Katsuki
US05/691,628 US4103153A (en) 1975-06-06 1976-06-01 Device for measuring light incident on an image forming optical system
US05/869,447 US4178084A (en) 1975-06-06 1978-01-16 Device for measuring light incident on an image forming optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50068766A JPS583201B2 (en) 1975-06-06 1975-06-06 Hikari Bun Katsuki

Publications (2)

Publication Number Publication Date
JPS51144635A true JPS51144635A (en) 1976-12-11
JPS583201B2 JPS583201B2 (en) 1983-01-20

Family

ID=13383174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50068766A Expired JPS583201B2 (en) 1975-06-06 1975-06-06 Hikari Bun Katsuki

Country Status (1)

Country Link
JP (1) JPS583201B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4982355A (en) * 1972-12-11 1974-08-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4982355A (en) * 1972-12-11 1974-08-08

Also Published As

Publication number Publication date
JPS583201B2 (en) 1983-01-20

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