JPS6257978B2 - - Google Patents

Info

Publication number
JPS6257978B2
JPS6257978B2 JP10258780A JP10258780A JPS6257978B2 JP S6257978 B2 JPS6257978 B2 JP S6257978B2 JP 10258780 A JP10258780 A JP 10258780A JP 10258780 A JP10258780 A JP 10258780A JP S6257978 B2 JPS6257978 B2 JP S6257978B2
Authority
JP
Japan
Prior art keywords
relief
diffraction grating
light
information mark
reflective film
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.)
Expired
Application number
JP10258780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5727246A (en
Inventor
Susumu Matsumura
Takashi 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.)
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 JP10258780A priority Critical patent/JPS5727246A/ja
Priority to US06/283,014 priority patent/US4374612A/en
Priority to DE19813129357 priority patent/DE3129357A1/de
Publication of JPS5727246A publication Critical patent/JPS5727246A/ja
Publication of JPS6257978B2 publication Critical patent/JPS6257978B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/32—Fiducial marks and measuring scales within the optical system
    • G02B27/34—Fiducial marks and measuring scales within the optical system illuminated
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
JP10258780A 1980-07-25 1980-07-25 Information mark indicator Granted JPS5727246A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10258780A JPS5727246A (en) 1980-07-25 1980-07-25 Information mark indicator
US06/283,014 US4374612A (en) 1980-07-25 1981-07-13 Mark indicating device for optical apparatus
DE19813129357 DE3129357A1 (de) 1980-07-25 1981-07-24 Markierungsanzeigeeinrichtung fuer ein optisches geraet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10258780A JPS5727246A (en) 1980-07-25 1980-07-25 Information mark indicator

Publications (2)

Publication Number Publication Date
JPS5727246A JPS5727246A (en) 1982-02-13
JPS6257978B2 true JPS6257978B2 (enrdf_load_stackoverflow) 1987-12-03

Family

ID=14331354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10258780A Granted JPS5727246A (en) 1980-07-25 1980-07-25 Information mark indicator

Country Status (1)

Country Link
JP (1) JPS5727246A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021132949A1 (de) 2020-12-16 2022-06-23 Denso Corporation Umgebungsbild-Anzeigevorrichtung und Anzeigesteuerverfahren
DE102021133856A1 (de) 2020-12-25 2022-06-30 Denso Corporation Bilderzeugungsvorrichtung und Bilderzeugungsverfahren

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6373778U (enrdf_load_stackoverflow) * 1986-10-30 1988-05-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021132949A1 (de) 2020-12-16 2022-06-23 Denso Corporation Umgebungsbild-Anzeigevorrichtung und Anzeigesteuerverfahren
DE102021133856A1 (de) 2020-12-25 2022-06-30 Denso Corporation Bilderzeugungsvorrichtung und Bilderzeugungsverfahren

Also Published As

Publication number Publication date
JPS5727246A (en) 1982-02-13

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