FR705862A - Improvements to sound film reproducing devices - Google Patents

Improvements to sound film reproducing devices

Info

Publication number
FR705862A
FR705862A FR705862DA FR705862A FR 705862 A FR705862 A FR 705862A FR 705862D A FR705862D A FR 705862DA FR 705862 A FR705862 A FR 705862A
Authority
FR
France
Prior art keywords
reproducing devices
sound film
film reproducing
sound
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.)
RENARD ET MOIROUX ETS
Original Assignee
RENARD ET MOIROUX ETS
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 RENARD ET MOIROUX ETS filed Critical RENARD ET MOIROUX ETS
Application granted granted Critical
Publication of FR705862A publication Critical patent/FR705862A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
FR705862D 1930-11-18 1930-11-18 Improvements to sound film reproducing devices Expired FR705862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR705862T 1930-11-18

Publications (1)

Publication Number Publication Date
FR705862A true FR705862A (en) 1931-06-16

Family

ID=9067436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR705862D Expired FR705862A (en) 1930-11-18 1930-11-18 Improvements to sound film reproducing devices

Country Status (1)

Country Link
FR (1) FR705862A (en)

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