FR833489A - Episcopic projection apparatus - Google Patents

Episcopic projection apparatus

Info

Publication number
FR833489A
FR833489A FR833489DA FR833489A FR 833489 A FR833489 A FR 833489A FR 833489D A FR833489D A FR 833489DA FR 833489 A FR833489 A FR 833489A
Authority
FR
France
Prior art keywords
projection apparatus
episcopic projection
episcopic
projection
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
Carl Conrad
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 FR833489A publication Critical patent/FR833489A/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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR833489D 1937-03-22 1938-02-11 Episcopic projection apparatus Expired FR833489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH833489X 1937-03-22

Publications (1)

Publication Number Publication Date
FR833489A true FR833489A (en) 1938-10-21

Family

ID=4540500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833489D Expired FR833489A (en) 1937-03-22 1938-02-11 Episcopic projection apparatus

Country Status (1)

Country Link
FR (1) FR833489A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3498708A (en) * 1965-09-09 1970-03-03 Inmont Corp Photocopying apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3498708A (en) * 1965-09-09 1970-03-03 Inmont Corp Photocopying apparatus

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