FR696161A - Device for adjusting the amplification in sound cinematography installations and the like - Google Patents

Device for adjusting the amplification in sound cinematography installations and the like

Info

Publication number
FR696161A
FR696161A FR696161DA FR696161A FR 696161 A FR696161 A FR 696161A FR 696161D A FR696161D A FR 696161DA FR 696161 A FR696161 A FR 696161A
Authority
FR
France
Prior art keywords
cinematography
installations
amplification
sound
adjusting
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)
Inventor
Hans Friess
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 filed Critical
Application granted granted Critical
Publication of FR696161A publication Critical patent/FR696161A/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)
FR696161D 1929-06-22 1930-05-27 Device for adjusting the amplification in sound cinematography installations and the like Expired FR696161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE696161X 1929-06-22

Publications (1)

Publication Number Publication Date
FR696161A true FR696161A (en) 1930-12-27

Family

ID=6607638

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696161D Expired FR696161A (en) 1929-06-22 1930-05-27 Device for adjusting the amplification in sound cinematography installations and the like

Country Status (1)

Country Link
FR (1) FR696161A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499700A (en) * 1947-12-30 1950-03-07 Magnecord Inc Magnetic recording and reproducing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499700A (en) * 1947-12-30 1950-03-07 Magnecord Inc Magnetic recording and reproducing apparatus

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