FR714909A - Improvements in the electrical reproduction of sound - Google Patents

Improvements in the electrical reproduction of sound

Info

Publication number
FR714909A
FR714909A FR714909DA FR714909A FR 714909 A FR714909 A FR 714909A FR 714909D A FR714909D A FR 714909DA FR 714909 A FR714909 A FR 714909A
Authority
FR
France
Prior art keywords
sound
electrical reproduction
reproduction
electrical
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
Archibald Montgomery Low
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 FR714909A publication Critical patent/FR714909A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
FR714909D 1930-04-08 1931-04-07 Improvements in the electrical reproduction of sound Expired FR714909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB714909X 1930-04-08

Publications (1)

Publication Number Publication Date
FR714909A true FR714909A (en) 1931-11-23

Family

ID=10494568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714909D Expired FR714909A (en) 1930-04-08 1931-04-07 Improvements in the electrical reproduction of sound

Country Status (1)

Country Link
FR (1) FR714909A (en)

Similar Documents

Publication Publication Date Title
FR704963A (en) Improvements in electrical sound amplification
FR719430A (en) Loud speaker
FR736275A (en) Electric vibrator
FR756707A (en) Improvements in electric welding
FR714910A (en) Improvements in the electrical reproduction of sound
FR714909A (en) Improvements in the electrical reproduction of sound
FR698460A (en) Electric sound reproduction device
FR705640A (en) Improvement in the electric reproducers of sounds
FR40115E (en) Electric organ
FR736576A (en) Speakers
FR760684A (en) Electrical sound recording
FR720012A (en) Tape microphone
FR862582A (en) Improvements in the electrical reproduction of sound
FR39409E (en) Electric organ
FR38572E (en) Electric organ
FR740652A (en) Electric organ
FR41639E (en) Electric organ
FR41625E (en) Electric organ
FR41619E (en) Electric organ
FR731523A (en) Electric amplifier
FR710301A (en) Electrical insulator
FR738354A (en) Electrical distribution
FR689062A (en) Improvements in the electrical reproduction of sound from recording discs
FR690965A (en) Loud speaker
FR669819A (en) Improvement in the electrical equipment of gramophones