FR839170A - Listening table - Google Patents

Listening table

Info

Publication number
FR839170A
FR839170A FR839170DA FR839170A FR 839170 A FR839170 A FR 839170A FR 839170D A FR839170D A FR 839170DA FR 839170 A FR839170 A FR 839170A
Authority
FR
France
Prior art keywords
listening table
listening
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.)
Universum Film AG
Original Assignee
Universum Film 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 Universum Film AG filed Critical Universum Film AG
Application granted granted Critical
Publication of FR839170A publication Critical patent/FR839170A/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)
FR839170D 1937-06-10 1938-06-10 Listening table Expired FR839170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE839170X 1937-06-10

Publications (1)

Publication Number Publication Date
FR839170A true FR839170A (en) 1939-03-28

Family

ID=6761858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839170D Expired FR839170A (en) 1937-06-10 1938-06-10 Listening table

Country Status (1)

Country Link
FR (1) FR839170A (en)

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