FR2213511B2 - - Google Patents

Info

Publication number
FR2213511B2
FR2213511B2 FR7300550A FR7300550A FR2213511B2 FR 2213511 B2 FR2213511 B2 FR 2213511B2 FR 7300550 A FR7300550 A FR 7300550A FR 7300550 A FR7300550 A FR 7300550A FR 2213511 B2 FR2213511 B2 FR 2213511B2
Authority
FR
France
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
FR7300550A
Other languages
French (fr)
Other versions
FR2213511A2 (cs
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.)
Marie G R P
Original Assignee
Marie G R P
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 Marie G R P filed Critical Marie G R P
Priority to FR7300550A priority Critical patent/FR2213511B2/fr
Priority to US410216A priority patent/US3877789A/en
Priority to GB5045073A priority patent/GB1441975A/en
Priority to DE2355655A priority patent/DE2355655C3/de
Priority to JP48125888A priority patent/JPS49135552A/ja
Publication of FR2213511A2 publication Critical patent/FR2213511A2/fr
Application granted granted Critical
Publication of FR2213511B2 publication Critical patent/FR2213511B2/fr
Expired 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR7300550A 1972-11-08 1973-01-09 Expired FR2213511B2 (cs)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7300550A FR2213511B2 (cs) 1973-01-09 1973-01-09
US410216A US3877789A (en) 1972-11-08 1973-10-26 Mode transformer for light or millimeter electromagnetic waves
GB5045073A GB1441975A (en) 1972-11-08 1973-10-30 Mode transformer for light or millimetre electromagnetic waves
DE2355655A DE2355655C3 (de) 1972-11-08 1973-11-07 Vorrichtung zum Umwandeln eines Strahls elektromagnetischer Energie mit linearer Polarisierung der Welle
JP48125888A JPS49135552A (cs) 1972-11-08 1973-11-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7300550A FR2213511B2 (cs) 1973-01-09 1973-01-09

Publications (2)

Publication Number Publication Date
FR2213511A2 FR2213511A2 (cs) 1974-08-02
FR2213511B2 true FR2213511B2 (cs) 1975-11-21

Family

ID=9113016

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7300550A Expired FR2213511B2 (cs) 1972-11-08 1973-01-09

Country Status (1)

Country Link
FR (1) FR2213511B2 (cs)

Also Published As

Publication number Publication date
FR2213511A2 (cs) 1974-08-02

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