FR1434848A - Electro-acoustic transformer - Google Patents

Electro-acoustic transformer

Info

Publication number
FR1434848A
FR1434848A FR18682A FR18682A FR1434848A FR 1434848 A FR1434848 A FR 1434848A FR 18682 A FR18682 A FR 18682A FR 18682 A FR18682 A FR 18682A FR 1434848 A FR1434848 A FR 1434848A
Authority
FR
France
Prior art keywords
electro
acoustic transformer
acoustic
transformer
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
FR18682A
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.)
Beteiligungs und Patentverwaltungs GmbH
Original Assignee
Beteiligungs und Patentverwaltungs GmbH
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 Beteiligungs und Patentverwaltungs GmbH filed Critical Beteiligungs und Patentverwaltungs GmbH
Application granted granted Critical
Publication of FR1434848A publication Critical patent/FR1434848A/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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR18682A 1964-05-30 1965-05-28 Electro-acoustic transformer Expired FR1434848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0076995 1964-05-30

Publications (1)

Publication Number Publication Date
FR1434848A true FR1434848A (en) 1966-04-08

Family

ID=1577838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR18682A Expired FR1434848A (en) 1964-05-30 1965-05-28 Electro-acoustic transformer

Country Status (1)

Country Link
FR (1) FR1434848A (en)

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