FR572434A - Perfectionnements aux appareils de projection de vues - Google Patents

Perfectionnements aux appareils de projection de vues

Info

Publication number
FR572434A
FR572434A FR572434DA FR572434A FR 572434 A FR572434 A FR 572434A FR 572434D A FR572434D A FR 572434DA FR 572434 A FR572434 A FR 572434A
Authority
FR
France
Prior art keywords
projection devices
view projection
view
devices
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
English (en)
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.)
L AUBERT ETS
Original Assignee
L AUBERT ETS
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 L AUBERT ETS filed Critical L AUBERT ETS
Application granted granted Critical
Publication of FR572434A publication Critical patent/FR572434A/fr
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)
FR572434D 1923-10-29 1923-10-29 Perfectionnements aux appareils de projection de vues Expired FR572434A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR572434T 1923-10-29

Publications (1)

Publication Number Publication Date
FR572434A true FR572434A (fr) 1924-06-05

Family

ID=8951241

Family Applications (1)

Application Number Title Priority Date Filing Date
FR572434D Expired FR572434A (fr) 1923-10-29 1923-10-29 Perfectionnements aux appareils de projection de vues

Country Status (1)

Country Link
FR (1) FR572434A (fr)

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