FR517331A - Disposition combinée de machine parlante et de lanterne de projection - Google Patents

Disposition combinée de machine parlante et de lanterne de projection

Info

Publication number
FR517331A
FR517331A FR517331A FR517331DA FR517331A FR 517331 A FR517331 A FR 517331A FR 517331 A FR517331 A FR 517331A FR 517331D A FR517331D A FR 517331DA FR 517331 A FR517331 A FR 517331A
Authority
FR
France
Prior art keywords
combined arrangement
talking machine
projection lantern
lantern
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
FR517331A
Other languages
English (en)
Inventor
John L Boyle
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.)
JOHN L BOYLE
Original Assignee
JOHN L BOYLE
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 JOHN L BOYLE filed Critical JOHN L BOYLE
Application granted granted Critical
Publication of FR517331A publication Critical patent/FR517331A/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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR517331A 1919-08-12 1919-08-12 Disposition combinée de machine parlante et de lanterne de projection Expired FR517331A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR517331T 1919-08-12

Publications (1)

Publication Number Publication Date
FR517331A true FR517331A (fr) 1921-05-03

Family

ID=8915768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517331A Expired FR517331A (fr) 1919-08-12 1919-08-12 Disposition combinée de machine parlante et de lanterne de projection

Country Status (1)

Country Link
FR (1) FR517331A (fr)

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