FR696494A - Improved method and apparatus for producing sound - Google Patents

Improved method and apparatus for producing sound

Info

Publication number
FR696494A
FR696494A FR696494DA FR696494A FR 696494 A FR696494 A FR 696494A FR 696494D A FR696494D A FR 696494DA FR 696494 A FR696494 A FR 696494A
Authority
FR
France
Prior art keywords
improved method
producing sound
sound
producing
improved
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.)
KUCHENMEISTER S INTERNATIONALE
Original Assignee
KUCHENMEISTER S INTERNATIONALE
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 KUCHENMEISTER S INTERNATIONALE filed Critical KUCHENMEISTER S INTERNATIONALE
Application granted granted Critical
Publication of FR696494A publication Critical patent/FR696494A/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
FR696494D 1929-05-18 1930-05-17 Improved method and apparatus for producing sound Expired FR696494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB696494X 1929-05-18

Publications (1)

Publication Number Publication Date
FR696494A true FR696494A (en) 1930-12-31

Family

ID=10493450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696494D Expired FR696494A (en) 1929-05-18 1930-05-17 Improved method and apparatus for producing sound

Country Status (1)

Country Link
FR (1) FR696494A (en)

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