FR719181A - Further training in pick-up phonographic devices. - Google Patents

Further training in pick-up phonographic devices.

Info

Publication number
FR719181A
FR719181A FR719181DA FR719181A FR 719181 A FR719181 A FR 719181A FR 719181D A FR719181D A FR 719181DA FR 719181 A FR719181 A FR 719181A
Authority
FR
France
Prior art keywords
pick
further training
phonographic
devices
phonographic 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)
Inventor
Rene Moulin
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.)
APPLIC SPECIALES de l ELECTRIC
Original Assignee
APPLIC SPECIALES de l ELECTRIC
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 APPLIC SPECIALES de l ELECTRIC filed Critical APPLIC SPECIALES de l ELECTRIC
Application granted granted Critical
Publication of FR719181A publication Critical patent/FR719181A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR719181D 1931-06-26 1931-06-26 Further training in pick-up phonographic devices. Expired FR719181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR719181T 1931-06-26

Publications (1)

Publication Number Publication Date
FR719181A true FR719181A (en) 1932-02-02

Family

ID=9090929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719181D Expired FR719181A (en) 1931-06-26 1931-06-26 Further training in pick-up phonographic devices.

Country Status (1)

Country Link
FR (1) FR719181A (en)

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