JPS55104199A - Acoustic converter of electromagnetic type - Google Patents

Acoustic converter of electromagnetic type

Info

Publication number
JPS55104199A
JPS55104199A JP1123779A JP1123779A JPS55104199A JP S55104199 A JPS55104199 A JP S55104199A JP 1123779 A JP1123779 A JP 1123779A JP 1123779 A JP1123779 A JP 1123779A JP S55104199 A JPS55104199 A JP S55104199A
Authority
JP
Japan
Prior art keywords
iron core
coil
vibration plate
electromagnet
sound pressure
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.)
Pending
Application number
JP1123779A
Other languages
English (en)
Inventor
Setsuo Furuse
Yuji Migaki
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP1123779A priority Critical patent/JPS55104199A/ja
Publication of JPS55104199A publication Critical patent/JPS55104199A/ja
Pending 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP1123779A 1979-02-02 1979-02-02 Acoustic converter of electromagnetic type Pending JPS55104199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1123779A JPS55104199A (en) 1979-02-02 1979-02-02 Acoustic converter of electromagnetic type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1123779A JPS55104199A (en) 1979-02-02 1979-02-02 Acoustic converter of electromagnetic type

Publications (1)

Publication Number Publication Date
JPS55104199A true JPS55104199A (en) 1980-08-09

Family

ID=11772320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1123779A Pending JPS55104199A (en) 1979-02-02 1979-02-02 Acoustic converter of electromagnetic type

Country Status (1)

Country Link
JP (1) JPS55104199A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2476872C1 (ru) * 2011-09-09 2013-02-27 Закрытое акционерное общество "Ультракрафт" Способ ультразвукового контроля металлургической продукции электромагнитно-акустическими преобразователями на воздушной подушке и устройство для его осуществления

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2476872C1 (ru) * 2011-09-09 2013-02-27 Закрытое акционерное общество "Ультракрафт" Способ ультразвукового контроля металлургической продукции электромагнитно-акустическими преобразователями на воздушной подушке и устройство для его осуществления

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