FR1329102A - Electro-acoustic transformer - Google Patents

Electro-acoustic transformer

Info

Publication number
FR1329102A
FR1329102A FR7407A FR67007407A FR1329102A FR 1329102 A FR1329102 A FR 1329102A FR 7407 A FR7407 A FR 7407A FR 67007407 A FR67007407 A FR 67007407A FR 1329102 A FR1329102 A FR 1329102A
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
FR7407A
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.)
SCHALL TECHNIK DR ING KARL SCH
Original Assignee
SCHALL TECHNIK DR ING KARL SCH
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 SCHALL TECHNIK DR ING KARL SCH filed Critical SCHALL TECHNIK DR ING KARL SCH
Application granted granted Critical
Publication of FR1329102A publication Critical patent/FR1329102A/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR7407A 1961-07-06 1962-05-12 Electro-acoustic transformer Expired FR1329102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH29947A DE1149392B (en) 1961-07-06 1961-07-06 Electromagnetic transducer

Publications (1)

Publication Number Publication Date
FR1329102A true FR1329102A (en) 1963-06-07

Family

ID=8572317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7407A Expired FR1329102A (en) 1961-07-06 1962-05-12 Electro-acoustic transformer

Country Status (2)

Country Link
DE (1) DE1149392B (en)
FR (1) FR1329102A (en)

Also Published As

Publication number Publication date
DE1149392B (en) 1963-05-30

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