FR1164232A - Improvements to episcopes - Google Patents

Improvements to episcopes

Info

Publication number
FR1164232A
FR1164232A FR1164232DA FR1164232A FR 1164232 A FR1164232 A FR 1164232A FR 1164232D A FR1164232D A FR 1164232DA FR 1164232 A FR1164232 A FR 1164232A
Authority
FR
France
Prior art keywords
episcopes
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
Other languages
French (fr)
Inventor
Georges Touzet
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 filed Critical
Application granted granted Critical
Publication of FR1164232A publication Critical patent/FR1164232A/en
Expired 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1164232D 1956-07-25 1956-07-25 Improvements to episcopes Expired FR1164232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1164232T 1956-07-25

Publications (1)

Publication Number Publication Date
FR1164232A true FR1164232A (en) 1958-10-07

Family

ID=9653888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1164232D Expired FR1164232A (en) 1956-07-25 1956-07-25 Improvements to episcopes

Country Status (1)

Country Link
FR (1) FR1164232A (en)

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