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 (enrdf_load_html_response
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 (enrdf_load_html_response)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7300550A FR2213511B2 (enrdf_load_html_response) 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 (enrdf_load_html_response) 1972-11-08 1973-11-08

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=9113016

Family Applications (1)

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

Country Status (1)

Country Link
FR (1) FR2213511B2 (enrdf_load_html_response)

Also Published As

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

Similar Documents

Publication Publication Date Title
AR201758A1 (enrdf_load_html_response)
AU476761B2 (enrdf_load_html_response)
AU465372B2 (enrdf_load_html_response)
AR201235Q (enrdf_load_html_response)
AR201231Q (enrdf_load_html_response)
AU474593B2 (enrdf_load_html_response)
AU474511B2 (enrdf_load_html_response)
AU474838B2 (enrdf_load_html_response)
AU465453B2 (enrdf_load_html_response)
AU471343B2 (enrdf_load_html_response)
AU465434B2 (enrdf_load_html_response)
AU450229B2 (enrdf_load_html_response)
AU476714B2 (enrdf_load_html_response)
AR201229Q (enrdf_load_html_response)
AU466283B2 (enrdf_load_html_response)
AR199451A1 (enrdf_load_html_response)
AU476696B2 (enrdf_load_html_response)
AU472848B2 (enrdf_load_html_response)
AU477823B2 (enrdf_load_html_response)
AR193950A1 (enrdf_load_html_response)
AU476873B1 (enrdf_load_html_response)
AR200256A1 (enrdf_load_html_response)
AU461342B2 (enrdf_load_html_response)
AR210729A1 (enrdf_load_html_response)
AU477824B2 (enrdf_load_html_response)