JPS5223930A - Magnetic circuit - Google Patents

Magnetic circuit

Info

Publication number
JPS5223930A
JPS5223930A JP50100809A JP10080975A JPS5223930A JP S5223930 A JPS5223930 A JP S5223930A JP 50100809 A JP50100809 A JP 50100809A JP 10080975 A JP10080975 A JP 10080975A JP S5223930 A JPS5223930 A JP S5223930A
Authority
JP
Japan
Prior art keywords
magnetic circuit
magnetic
speaker
loss
reduced
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
JP50100809A
Other languages
Japanese (ja)
Inventor
Katsuaki Sato
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50100809A priority Critical patent/JPS5223930A/en
Publication of JPS5223930A publication Critical patent/JPS5223930A/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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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

Landscapes

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

Abstract

PURPOSE:In a magnetic circuit such as a speaker or the like, the loss of a magnetic flux shall be reduced.
JP50100809A 1975-08-19 1975-08-19 Magnetic circuit Pending JPS5223930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50100809A JPS5223930A (en) 1975-08-19 1975-08-19 Magnetic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50100809A JPS5223930A (en) 1975-08-19 1975-08-19 Magnetic circuit

Publications (1)

Publication Number Publication Date
JPS5223930A true JPS5223930A (en) 1977-02-23

Family

ID=14283688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50100809A Pending JPS5223930A (en) 1975-08-19 1975-08-19 Magnetic circuit

Country Status (1)

Country Link
JP (1) JPS5223930A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275531A (en) * 1976-12-22 1977-06-24 Kubota Ltd Reaperrthresher with automatic control device
JPS63145426U (en) * 1987-03-16 1988-09-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275531A (en) * 1976-12-22 1977-06-24 Kubota Ltd Reaperrthresher with automatic control device
JPS63145426U (en) * 1987-03-16 1988-09-26

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