JPS5723397A - External magnetic type magnetic circuit of dynamic loudspeaker - Google Patents

External magnetic type magnetic circuit of dynamic loudspeaker

Info

Publication number
JPS5723397A
JPS5723397A JP9746580A JP9746580A JPS5723397A JP S5723397 A JPS5723397 A JP S5723397A JP 9746580 A JP9746580 A JP 9746580A JP 9746580 A JP9746580 A JP 9746580A JP S5723397 A JPS5723397 A JP S5723397A
Authority
JP
Japan
Prior art keywords
back plate
magnet
permeance
magnetic circuit
magnetic
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
JP9746580A
Other languages
English (en)
Inventor
Sadao Watanabe
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP9746580A priority Critical patent/JPS5723397A/ja
Publication of JPS5723397A publication Critical patent/JPS5723397A/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
    • 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
JP9746580A 1980-07-18 1980-07-18 External magnetic type magnetic circuit of dynamic loudspeaker Pending JPS5723397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9746580A JPS5723397A (en) 1980-07-18 1980-07-18 External magnetic type magnetic circuit of dynamic loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9746580A JPS5723397A (en) 1980-07-18 1980-07-18 External magnetic type magnetic circuit of dynamic loudspeaker

Publications (1)

Publication Number Publication Date
JPS5723397A true JPS5723397A (en) 1982-02-06

Family

ID=14193042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9746580A Pending JPS5723397A (en) 1980-07-18 1980-07-18 External magnetic type magnetic circuit of dynamic loudspeaker

Country Status (1)

Country Link
JP (1) JPS5723397A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1460881A2 (de) * 2003-03-17 2004-09-22 AKG Acoustics GmbH Magnetsystem eines Schallwandlers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1460881A2 (de) * 2003-03-17 2004-09-22 AKG Acoustics GmbH Magnetsystem eines Schallwandlers
EP1460881A3 (de) * 2003-03-17 2007-04-11 AKG Acoustics GmbH Magnetsystem eines Schallwandlers

Similar Documents

Publication Publication Date Title
JPS5277718A (en) Electromagnetic type electroacoustic transducer
JPS5723397A (en) External magnetic type magnetic circuit of dynamic loudspeaker
FR2365267A1 (fr) Dispositif d'excitation de l'oreille moyenne
GB1095915A (en) Improvements in or relating to flowmeters
JPS5723398A (en) External magnetic type magnetic circuit of dynamic loudspeaker
ES270258U (es) Un transductor electroacustico del tipo de bobina movil mejorado.
JPS57165761A (en) Transducer for electro-magnetic ultrasonic wave
GB1509205A (en) Method of adjusting the relative volumes of the strings of a musical instrument
JPS5337898A (en) Permanent magnet of enclosed construction
JPS579197A (en) Speaker
JPS56161796A (en) Speaker system of passive radiator system
US3060282A (en) Electroacoustic transducer
GB325543A (en) Improvements in loudspeakers
JPS56132095A (en) Speaker
JPS5518156A (en) Speaker
JPS5321799A (en) Assembly fixture for permanent magnet
JPS5325419A (en) Speaker
JPS5299764A (en) Magnetic field type electron lens
SU129237A1 (ru) Способ регулировки электромагнитной системы электроакустических преобразователей
JPS5880999A (ja) スピ−カ
JPS5298515A (en) Headphone
JPS549650A (en) Moving-coil type instrument of pointer transverse travel system
JPS5233512A (en) Film magnetic head
JPS6449500A (en) Magnetic circuit
JPS5728498A (en) Dynamic speaker