FR917083A - Improvements to sound cinematography devices - Google Patents

Improvements to sound cinematography devices

Info

Publication number
FR917083A
FR917083A FR917083DA FR917083A FR 917083 A FR917083 A FR 917083A FR 917083D A FR917083D A FR 917083DA FR 917083 A FR917083 A FR 917083A
Authority
FR
France
Prior art keywords
cinematography
sound
devices
sound cinematography
cinematography devices
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR917083A publication Critical patent/FR917083A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
FR917083D 1943-03-12 1945-11-07 Improvements to sound cinematography devices Expired FR917083A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB917083X 1943-03-12

Publications (1)

Publication Number Publication Date
FR917083A true FR917083A (en) 1946-12-24

Family

ID=10707591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR917083D Expired FR917083A (en) 1943-03-12 1945-11-07 Improvements to sound cinematography devices

Country Status (1)

Country Link
FR (1) FR917083A (en)

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