JPS5225616A - Electric sound convertor - Google Patents

Electric sound convertor

Info

Publication number
JPS5225616A
JPS5225616A JP10120375A JP10120375A JPS5225616A JP S5225616 A JPS5225616 A JP S5225616A JP 10120375 A JP10120375 A JP 10120375A JP 10120375 A JP10120375 A JP 10120375A JP S5225616 A JPS5225616 A JP S5225616A
Authority
JP
Japan
Prior art keywords
electric sound
sound convertor
convertor
letting
magnet
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.)
Granted
Application number
JP10120375A
Other languages
Japanese (ja)
Other versions
JPS5515919B2 (en
Inventor
Takehiko Sagara
Kimio Uchida
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP10120375A priority Critical patent/JPS5225616A/en
Publication of JPS5225616A publication Critical patent/JPS5225616A/en
Publication of JPS5515919B2 publication Critical patent/JPS5515919B2/ja
Granted 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils

Abstract

PURPOSE:In a full drive dynamic type convertor, by letting the magnet and pole piece heights H and Hp be 0.6<Hp/H<0.9, to enable to decrease the leakage flux.
JP10120375A 1975-08-22 1975-08-22 Electric sound convertor Granted JPS5225616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10120375A JPS5225616A (en) 1975-08-22 1975-08-22 Electric sound convertor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10120375A JPS5225616A (en) 1975-08-22 1975-08-22 Electric sound convertor

Publications (2)

Publication Number Publication Date
JPS5225616A true JPS5225616A (en) 1977-02-25
JPS5515919B2 JPS5515919B2 (en) 1980-04-26

Family

ID=14294362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10120375A Granted JPS5225616A (en) 1975-08-22 1975-08-22 Electric sound convertor

Country Status (1)

Country Link
JP (1) JPS5225616A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185651U (en) * 1981-05-22 1982-11-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49148040U (en) * 1973-04-20 1974-12-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49148040U (en) * 1973-04-20 1974-12-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185651U (en) * 1981-05-22 1982-11-25

Also Published As

Publication number Publication date
JPS5515919B2 (en) 1980-04-26

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