FR722251A - Devices for unwinding and listening or viewing sound and visual recordings on common or separate films - Google Patents

Devices for unwinding and listening or viewing sound and visual recordings on common or separate films

Info

Publication number
FR722251A
FR722251A FR722251DA FR722251A FR 722251 A FR722251 A FR 722251A FR 722251D A FR722251D A FR 722251DA FR 722251 A FR722251 A FR 722251A
Authority
FR
France
Prior art keywords
unwinding
listening
common
devices
separate films
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)
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR722251A publication Critical patent/FR722251A/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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Fax Reproducing Arrangements (AREA)
FR722251D 1930-09-02 1931-09-01 Devices for unwinding and listening or viewing sound and visual recordings on common or separate films Expired FR722251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE389091X 1930-09-02

Publications (1)

Publication Number Publication Date
FR722251A true FR722251A (en) 1932-03-15

Family

ID=6371368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722251D Expired FR722251A (en) 1930-09-02 1931-09-01 Devices for unwinding and listening or viewing sound and visual recordings on common or separate films

Country Status (3)

Country Link
AT (1) AT130775B (en)
FR (1) FR722251A (en)
GB (1) GB389091A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3362771A (en) * 1965-05-12 1968-01-09 Navy Usa Multi-purpose sound-on-film and/or tape motion picture projector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3362771A (en) * 1965-05-12 1968-01-09 Navy Usa Multi-purpose sound-on-film and/or tape motion picture projector

Also Published As

Publication number Publication date
GB389091A (en) 1933-03-02
AT130775B (en) 1932-12-10

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