FR520073A - Dispositif indicateur de l'heure pendant les représentations cinématographiques - Google Patents

Dispositif indicateur de l'heure pendant les représentations cinématographiques

Info

Publication number
FR520073A
FR520073A FR520073A FR520073DA FR520073A FR 520073 A FR520073 A FR 520073A FR 520073 A FR520073 A FR 520073A FR 520073D A FR520073D A FR 520073DA FR 520073 A FR520073 A FR 520073A
Authority
FR
France
Prior art keywords
performances
device during
indicating device
time indicating
cinematographic
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
FR520073A
Other languages
English (en)
Inventor
Karl Waeller
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.)
KARL WAELLER
Original Assignee
KARL WAELLER
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 KARL WAELLER filed Critical KARL WAELLER
Application granted granted Critical
Publication of FR520073A publication Critical patent/FR520073A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/34—Position of the hands projected optically
    • 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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
    • G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR520073A 1919-10-28 1920-07-09 Dispositif indicateur de l'heure pendant les représentations cinématographiques Expired FR520073A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE520073X 1919-10-28

Publications (1)

Publication Number Publication Date
FR520073A true FR520073A (fr) 1921-06-20

Family

ID=6550817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520073A Expired FR520073A (fr) 1919-10-28 1920-07-09 Dispositif indicateur de l'heure pendant les représentations cinématographiques

Country Status (1)

Country Link
FR (1) FR520073A (fr)

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