JPS5411411A - Magnetic circuit - Google Patents

Magnetic circuit

Info

Publication number
JPS5411411A
JPS5411411A JP7684477A JP7684477A JPS5411411A JP S5411411 A JPS5411411 A JP S5411411A JP 7684477 A JP7684477 A JP 7684477A JP 7684477 A JP7684477 A JP 7684477A JP S5411411 A JPS5411411 A JP S5411411A
Authority
JP
Japan
Prior art keywords
magnetic circuit
magnetic
ferro
laminating
permanent 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
JP7684477A
Other languages
Japanese (ja)
Other versions
JPS5630779B2 (en
Inventor
Yoshihiro Sato
Keiichi Tane
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP7684477A priority Critical patent/JPS5411411A/en
Publication of JPS5411411A publication Critical patent/JPS5411411A/en
Publication of JPS5630779B2 publication Critical patent/JPS5630779B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

PURPOSE: To improve performance without increasing the shape of magnetic circuit by laminating flux concentration magnetic pole composed of ferro-magnetic material and electric conductor in moving direction of moving coil shorter than the length of permanent magnet.
COPYRIGHT: (C)1979,JPO&Japio
JP7684477A 1977-06-28 1977-06-28 Magnetic circuit Granted JPS5411411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7684477A JPS5411411A (en) 1977-06-28 1977-06-28 Magnetic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7684477A JPS5411411A (en) 1977-06-28 1977-06-28 Magnetic circuit

Publications (2)

Publication Number Publication Date
JPS5411411A true JPS5411411A (en) 1979-01-27
JPS5630779B2 JPS5630779B2 (en) 1981-07-17

Family

ID=13616963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7684477A Granted JPS5411411A (en) 1977-06-28 1977-06-28 Magnetic circuit

Country Status (1)

Country Link
JP (1) JPS5411411A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5986362A (en) * 1997-08-25 1999-11-16 Fujitsu Limited Magnetic circuit for voice coil motor of flat-coil type

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5911674U (en) * 1982-07-15 1984-01-24 ダイワ精工株式会社 Fishing bait
JPH0379659U (en) * 1989-12-06 1991-08-14

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS477793U (en) * 1971-02-17 1972-09-28
JPS5167903A (en) * 1974-12-10 1976-06-12 Fujitsu Ltd BOISUKOIRUGATARINIAMOOTA

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS477793U (en) * 1971-02-17 1972-09-28
JPS5167903A (en) * 1974-12-10 1976-06-12 Fujitsu Ltd BOISUKOIRUGATARINIAMOOTA

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5986362A (en) * 1997-08-25 1999-11-16 Fujitsu Limited Magnetic circuit for voice coil motor of flat-coil type

Also Published As

Publication number Publication date
JPS5630779B2 (en) 1981-07-17

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