EP0660342A4 - Noise absorbing device. - Google Patents

Noise absorbing device.

Info

Publication number
EP0660342A4
EP0660342A4 EP94919876A EP94919876A EP0660342A4 EP 0660342 A4 EP0660342 A4 EP 0660342A4 EP 94919876 A EP94919876 A EP 94919876A EP 94919876 A EP94919876 A EP 94919876A EP 0660342 A4 EP0660342 A4 EP 0660342A4
Authority
EP
European Patent Office
Prior art keywords
absorbing device
noise absorbing
noise
absorbing
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
EP94919876A
Other languages
German (de)
French (fr)
Other versions
EP0660342B1 (en
EP0660342A1 (en
Inventor
Takayuki Osada
Fumishiro Tsuda
Norio Saito
Takeji Ihara
Yoshio Wagatsuma
Hitoshi Moriya
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.)
Tokin Corp
Original Assignee
Tokin 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 Tokin Corp filed Critical Tokin Corp
Publication of EP0660342A1 publication Critical patent/EP0660342A1/en
Publication of EP0660342A4 publication Critical patent/EP0660342A4/en
Application granted granted Critical
Publication of EP0660342B1 publication Critical patent/EP0660342B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/26Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266Fastening or mounting the core on casing or support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • H01F17/06Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/33Arrangements for noise damping
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • H01F17/06Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F2017/065Core mounted around conductor to absorb noise, e.g. EMI filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
EP94919876A 1993-07-08 1994-07-08 Noise absorbing device Expired - Lifetime EP0660342B1 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP16927693 1993-07-08
JP169276/93 1993-07-08
JP16927693 1993-07-08
JP217463/93 1993-09-01
JP21746393 1993-09-01
JP21746393 1993-09-01
JP235235/93 1993-09-21
JP23523593 1993-09-21
JP23523593A JP3654304B2 (en) 1993-07-08 1993-09-21 Noise absorber
PCT/JP1994/001121 WO1995002253A1 (en) 1993-07-08 1994-07-08 Noise absorbing device

Publications (3)

Publication Number Publication Date
EP0660342A1 EP0660342A1 (en) 1995-06-28
EP0660342A4 true EP0660342A4 (en) 1995-11-29
EP0660342B1 EP0660342B1 (en) 2002-11-27

Family

ID=27323150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94919876A Expired - Lifetime EP0660342B1 (en) 1993-07-08 1994-07-08 Noise absorbing device

Country Status (8)

Country Link
EP (1) EP0660342B1 (en)
JP (1) JP3654304B2 (en)
KR (1) KR100321234B1 (en)
CN (1) CN1052097C (en)
DE (1) DE69431785T2 (en)
HK (1) HK1001661A1 (en)
SG (1) SG47449A1 (en)
WO (1) WO1995002253A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5687531B2 (en) * 2011-03-09 2015-03-18 トヨタ自動車株式会社 Noise reduction device and bus bar module
JP6111439B2 (en) * 2012-07-11 2017-04-12 北川工業株式会社 Noise suppression parts
JP2016012586A (en) * 2014-06-27 2016-01-21 長野日本無線株式会社 Coil component
JP2016092274A (en) * 2014-11-06 2016-05-23 北川工業株式会社 Holder and noise current absorption tool
JP2017220493A (en) * 2016-06-03 2017-12-14 田淵電機株式会社 Electromagnetic induction device and method of manufacturing electromagnetic induction device
JP6757972B2 (en) 2016-11-11 2020-09-23 北川工業株式会社 Noise current absorber
CN106935378B (en) * 2017-05-08 2018-03-30 中变集团上海变压器有限公司 A kind of volume iron core of amorphous alloy transformer
EP3531434A1 (en) * 2018-02-26 2019-08-28 Honeywell International Inc. Magnet holder and magnet holder assembly

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4004211A1 (en) * 1989-02-17 1990-08-23 Kitagawa Ind Co Ltd ELECTRIC NOISE ABSORBER
JPH04330705A (en) * 1991-01-25 1992-11-18 Nikko Kogyo Kk Noise filter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04363007A (en) * 1991-01-24 1992-12-15 Nikko Kogyo Kk Signal discriminator
JP2511548Y2 (en) * 1991-12-10 1996-09-25 株式会社トーキン Noise absorber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4004211A1 (en) * 1989-02-17 1990-08-23 Kitagawa Ind Co Ltd ELECTRIC NOISE ABSORBER
JPH04330705A (en) * 1991-01-25 1992-11-18 Nikko Kogyo Kk Noise filter

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 174 (E - 1346) 5 April 1993 (1993-04-05) *
See also references of WO9502253A1 *

Also Published As

Publication number Publication date
CN1112381A (en) 1995-11-22
WO1995002253A1 (en) 1995-01-19
HK1001661A1 (en) 1998-07-03
JP3654304B2 (en) 2005-06-02
KR100321234B1 (en) 2002-06-20
KR950703199A (en) 1995-08-23
JPH07122433A (en) 1995-05-12
EP0660342B1 (en) 2002-11-27
EP0660342A1 (en) 1995-06-28
DE69431785T2 (en) 2003-07-03
DE69431785D1 (en) 2003-01-09
CN1052097C (en) 2000-05-03
SG47449A1 (en) 1998-04-17

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