JPS52107825A - Electromagnetic type electrical sound convertor - Google Patents

Electromagnetic type electrical sound convertor

Info

Publication number
JPS52107825A
JPS52107825A JP2384576A JP2384576A JPS52107825A JP S52107825 A JPS52107825 A JP S52107825A JP 2384576 A JP2384576 A JP 2384576A JP 2384576 A JP2384576 A JP 2384576A JP S52107825 A JPS52107825 A JP S52107825A
Authority
JP
Japan
Prior art keywords
electromagnetic type
type electrical
electrical sound
sound convertor
convertor
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
JP2384576A
Other languages
Japanese (ja)
Inventor
Yoshiaki Hara
Shigeo Mori
Fumikazu Murakami
Ichiro Horikoshi
Muneya Takahashi
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP2384576A priority Critical patent/JPS52107825A/en
Publication of JPS52107825A publication Critical patent/JPS52107825A/en
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)
  • Electromechanical Clocks (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Abstract

PURPOSE:To make the manufacturing simple by taking the split construction for the permanent magnet for the exciting section, in electronic watches.
JP2384576A 1976-03-05 1976-03-05 Electromagnetic type electrical sound convertor Pending JPS52107825A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2384576A JPS52107825A (en) 1976-03-05 1976-03-05 Electromagnetic type electrical sound convertor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2384576A JPS52107825A (en) 1976-03-05 1976-03-05 Electromagnetic type electrical sound convertor

Publications (1)

Publication Number Publication Date
JPS52107825A true JPS52107825A (en) 1977-09-09

Family

ID=12121729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2384576A Pending JPS52107825A (en) 1976-03-05 1976-03-05 Electromagnetic type electrical sound convertor

Country Status (1)

Country Link
JP (1) JPS52107825A (en)

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