FR2177489A1 - - Google Patents

Info

Publication number
FR2177489A1
FR2177489A1 FR7210612A FR7210612A FR2177489A1 FR 2177489 A1 FR2177489 A1 FR 2177489A1 FR 7210612 A FR7210612 A FR 7210612A FR 7210612 A FR7210612 A FR 7210612A FR 2177489 A1 FR2177489 A1 FR 2177489A1
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.)
Withdrawn
Application number
FR7210612A
Other languages
French (fr)
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.)
CARMIER PIERRE FR
Original Assignee
CARMIER PIERRE FR
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 CARMIER PIERRE FR filed Critical CARMIER PIERRE FR
Priority to FR7210612A priority Critical patent/FR2177489A1/fr
Publication of FR2177489A1 publication Critical patent/FR2177489A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/023—Multi-image cameras
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/106—Beam splitting or combining systems for splitting or combining a plurality of identical beams or images, e.g. image replication
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • 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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
FR7210612A 1972-03-27 1972-03-27 Withdrawn FR2177489A1 (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7210612A FR2177489A1 (xx) 1972-03-27 1972-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7210612A FR2177489A1 (xx) 1972-03-27 1972-03-27

Publications (1)

Publication Number Publication Date
FR2177489A1 true FR2177489A1 (xx) 1973-11-09

Family

ID=9095832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7210612A Withdrawn FR2177489A1 (xx) 1972-03-27 1972-03-27

Country Status (1)

Country Link
FR (1) FR2177489A1 (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479996A1 (fr) * 1980-04-02 1981-10-09 Chamoux Jean Pierre Appareil de reproduction authentifiable d'un document original de base

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479996A1 (fr) * 1980-04-02 1981-10-09 Chamoux Jean Pierre Appareil de reproduction authentifiable d'un document original de base
EP0037316B1 (fr) * 1980-04-02 1984-09-12 Jean-Pierre Chamoux Appareil de reproduction authentifiable d'un document original de base

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Legal Events

Date Code Title Description
ST Notification of lapse