JPS5241518A - Electroacoustic converter - Google Patents

Electroacoustic converter

Info

Publication number
JPS5241518A
JPS5241518A JP11754275A JP11754275A JPS5241518A JP S5241518 A JPS5241518 A JP S5241518A JP 11754275 A JP11754275 A JP 11754275A JP 11754275 A JP11754275 A JP 11754275A JP S5241518 A JPS5241518 A JP S5241518A
Authority
JP
Japan
Prior art keywords
electroacoustic converter
alnico
offer
magnet
formation
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
JP11754275A
Other languages
Japanese (ja)
Inventor
Hiromichi Horie
Norio Mogi
Tsuneo Nitta
Masatoshi Tanaka
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11754275A priority Critical patent/JPS5241518A/en
Publication of JPS5241518A publication Critical patent/JPS5241518A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

PURPOSE:Obtain at low cost waveform magnet with good dimensional accuracy and with low hardness compared with alnico-alloy series magnets and offer it for formation of drive magnetic field.
JP11754275A 1975-09-29 1975-09-29 Electroacoustic converter Pending JPS5241518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11754275A JPS5241518A (en) 1975-09-29 1975-09-29 Electroacoustic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11754275A JPS5241518A (en) 1975-09-29 1975-09-29 Electroacoustic converter

Publications (1)

Publication Number Publication Date
JPS5241518A true JPS5241518A (en) 1977-03-31

Family

ID=14714364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11754275A Pending JPS5241518A (en) 1975-09-29 1975-09-29 Electroacoustic converter

Country Status (1)

Country Link
JP (1) JPS5241518A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850307A (en) * 1981-09-21 1983-03-24 住友金属工業株式会社 Method of mounting bolt in pipe flange for steel pipe structure
US5214404A (en) * 1990-07-30 1993-05-25 Japan Life Co., Ltd. Continuously magnetizing magnet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850307A (en) * 1981-09-21 1983-03-24 住友金属工業株式会社 Method of mounting bolt in pipe flange for steel pipe structure
US5214404A (en) * 1990-07-30 1993-05-25 Japan Life Co., Ltd. Continuously magnetizing magnet

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