FR577935A - Perfectionnements aux appareils de projection optique - Google Patents

Perfectionnements aux appareils de projection optique

Info

Publication number
FR577935A
FR577935A FR577935DA FR577935A FR 577935 A FR577935 A FR 577935A FR 577935D A FR577935D A FR 577935DA FR 577935 A FR577935 A FR 577935A
Authority
FR
France
Prior art keywords
optical projection
projection devices
devices
optical
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.)
NAAMLOOZE VENNOOTSCHAP PROJECTIE LICHT UITVINDIG SYNDICAAT (P L U S)
Original Assignee
NAAMLOOZE VENNOOTSCHAP PROJECTIE LICHT UITVINDIG SYNDICAAT (P L U S)
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 NAAMLOOZE VENNOOTSCHAP PROJECTIE LICHT UITVINDIG SYNDICAAT (P L U S) filed Critical NAAMLOOZE VENNOOTSCHAP PROJECTIE LICHT UITVINDIG SYNDICAAT (P L U S)
Application granted granted Critical
Publication of FR577935A publication Critical patent/FR577935A/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
    • G03B1/00—Film strip handling
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR577935D 1923-03-01 1924-02-26 Perfectionnements aux appareils de projection optique Expired FR577935A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB577935X 1923-03-01

Publications (1)

Publication Number Publication Date
FR577935A true FR577935A (fr) 1924-09-12

Family

ID=10480034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR577935D Expired FR577935A (fr) 1923-03-01 1924-02-26 Perfectionnements aux appareils de projection optique

Country Status (1)

Country Link
FR (1) FR577935A (fr)

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