FR589035A - Projection method and apparatus - Google Patents

Projection method and apparatus

Info

Publication number
FR589035A
FR589035A FR589035DA FR589035A FR 589035 A FR589035 A FR 589035A FR 589035D A FR589035D A FR 589035DA FR 589035 A FR589035 A FR 589035A
Authority
FR
France
Prior art keywords
projection method
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
William Julius Citron
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 FR589035A publication Critical patent/FR589035A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR589035D 1924-10-31 1924-10-27 Projection method and apparatus Expired FR589035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US589035XA 1924-10-31 1924-10-31

Publications (1)

Publication Number Publication Date
FR589035A true FR589035A (en) 1925-05-22

Family

ID=22019633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR589035D Expired FR589035A (en) 1924-10-31 1924-10-27 Projection method and apparatus

Country Status (1)

Country Link
FR (1) FR589035A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746553C (en) * 1940-07-25 1944-08-12 Kodak Ag Overlay device for double projectors or the like.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746553C (en) * 1940-07-25 1944-08-12 Kodak Ag Overlay device for double projectors or the like.

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