FR520067A - Device for recording sound waves - Google Patents

Device for recording sound waves

Info

Publication number
FR520067A
FR520067A FR520067A FR520067DA FR520067A FR 520067 A FR520067 A FR 520067A FR 520067 A FR520067 A FR 520067A FR 520067D A FR520067D A FR 520067DA FR 520067 A FR520067 A FR 520067A
Authority
FR
France
Prior art keywords
sound waves
recording sound
recording
waves
sound
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
FR520067A
Other languages
French (fr)
Inventor
Eric Magnus Campbel Tigerstedt
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.)
ERIC MAGNUS CAMPRELL TIGERSTED
Original Assignee
ERIC MAGNUS CAMPRELL TIGERSTED
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 ERIC MAGNUS CAMPRELL TIGERSTED filed Critical ERIC MAGNUS CAMPRELL TIGERSTED
Application granted granted Critical
Publication of FR520067A publication Critical patent/FR520067A/en
Expired legal-status Critical Current

Links

FR520067A 1914-08-01 1920-07-09 Device for recording sound waves Expired FR520067A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE520067X 1914-08-01

Publications (1)

Publication Number Publication Date
FR520067A true FR520067A (en) 1921-06-20

Family

ID=6550812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520067A Expired FR520067A (en) 1914-08-01 1920-07-09 Device for recording sound waves

Country Status (1)

Country Link
FR (1) FR520067A (en)

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