TWI256769B - Noise filter - Google Patents
Noise filterInfo
- Publication number
- TWI256769B TWI256769B TW091118359A TW91118359A TWI256769B TW I256769 B TWI256769 B TW I256769B TW 091118359 A TW091118359 A TW 091118359A TW 91118359 A TW91118359 A TW 91118359A TW I256769 B TWI256769 B TW I256769B
- Authority
- TW
- Taiwan
- Prior art keywords
- resistor
- noise filter
- inductor
- noise
- frequency current
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
- H03H7/425—Balance-balance networks
- H03H7/427—Common-mode filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/005—Wound, ring or feed-through type inductor
Landscapes
- Filters And Equalizers (AREA)
- Inorganic Insulating Materials (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Transplanting Machines (AREA)
- Power Conversion In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001391303A JP2003198306A (ja) | 2001-12-25 | 2001-12-25 | ノイズフィルタ及びこれを備えた電子装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
TWI256769B true TWI256769B (en) | 2006-06-11 |
Family
ID=19188500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW091118359A TWI256769B (en) | 2001-12-25 | 2002-08-15 | Noise filter |
Country Status (7)
Country | Link |
---|---|
US (1) | US6801103B2 (zh) |
EP (1) | EP1326331B1 (zh) |
JP (1) | JP2003198306A (zh) |
KR (1) | KR100578623B1 (zh) |
AT (1) | ATE295627T1 (zh) |
DE (1) | DE60204110T2 (zh) |
TW (1) | TWI256769B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7091799B1 (en) * | 2002-12-27 | 2006-08-15 | Hennessy Michael J | Hybrid bypass networks for low-loss cables and ripple filter chokes |
JP3957206B2 (ja) | 2003-06-26 | 2007-08-15 | イーエムシー株式会社 | 保安アース線用ノイズフィルタ及びこれを備えた電子装置 |
FR2858483A1 (fr) * | 2003-08-01 | 2005-02-04 | Serge Eugene Roger Brancourt | Filtre contre les pollutions parasites et electromagnetiques contenues dans le courant alternatif 220/230 volts |
JP4553643B2 (ja) * | 2004-06-29 | 2010-09-29 | オプトレックス株式会社 | 液晶表示装置の駆動装置 |
US7505819B2 (en) * | 2006-02-08 | 2009-03-17 | Moore Industries International, Inc. | Redundant fieldbus system |
US7454252B2 (en) * | 2006-03-08 | 2008-11-18 | Moore Industries International, Inc. | Redundant fieldbus system |
JP4813318B2 (ja) * | 2006-10-11 | 2011-11-09 | 株式会社グランドナイト | ノイズ浄化デバイス及びノイズ浄化素子 |
JP4879954B2 (ja) * | 2008-11-27 | 2012-02-22 | 株式会社グランドナイト | ラインノイズ減衰器 |
US8242859B2 (en) | 2010-05-24 | 2012-08-14 | Groundnite Inc. | Line noise attenuator |
JP6489462B2 (ja) * | 2014-05-12 | 2019-03-27 | パナソニックIpマネジメント株式会社 | 光電気変換装置、信号伝送装置 |
JP2023164194A (ja) * | 2022-04-29 | 2023-11-10 | 株式会社デンソー | フィルタ部品 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1190374A (en) | 1966-06-29 | 1970-05-06 | Nat Res Dev | Interference Suppressors for Electrical Equipment |
JPS5720177B2 (zh) | 1974-03-28 | 1982-04-27 | ||
JPS5158044A (ja) | 1974-11-15 | 1976-05-21 | Matsushita Electric Works Ltd | Zatsuonboshifuirutaa |
JPS59172822A (ja) | 1983-03-23 | 1984-09-29 | Hitachi Ltd | ノイズフイルタ |
JPS61140620A (ja) | 1984-12-14 | 1986-06-27 | Teijin Ltd | 合成繊維のウエストローラー装置 |
JPH01213017A (ja) | 1988-02-22 | 1989-08-25 | Murata Mfg Co Ltd | ノイズフィルタ |
US5015975A (en) | 1988-08-19 | 1991-05-14 | Murata Manufacturing Co., Ltd. | Noise filter |
JPH0385610A (ja) | 1989-08-30 | 1991-04-10 | Mitsubishi Electric Corp | 直流電源装置用クローバ回路 |
JPH03106007A (ja) | 1989-09-20 | 1991-05-02 | Murata Mfg Co Ltd | チップ型lrフィルタの製造方法 |
JP3106007B2 (ja) | 1992-06-08 | 2000-11-06 | 大日本印刷株式会社 | 熱転写受像シート |
JP3167437B2 (ja) | 1992-07-10 | 2001-05-21 | 太陽化学株式会社 | 消泡剤組成物 |
JPH0631111U (ja) * | 1992-09-24 | 1994-04-22 | 株式会社トーキン | 基板型ノイズフィルタ |
JPH0818375A (ja) | 1994-06-30 | 1996-01-19 | Tsuruo Shimayama | ノイズフィルター |
JPH08265085A (ja) | 1995-03-22 | 1996-10-11 | Nemic Lambda Kk | 高調波電流抑制フィルタ |
US6137379A (en) * | 1996-09-23 | 2000-10-24 | Morrill; Russell C. | Universal noise controller |
JPH10164823A (ja) | 1996-11-26 | 1998-06-19 | Nemic Lambda Kk | 高調波電流抑制フィルタ |
JPH10322157A (ja) | 1997-05-19 | 1998-12-04 | Murata Mfg Co Ltd | 積層型ノイズフィルタ |
US5920468A (en) * | 1997-08-29 | 1999-07-06 | Constant Velocity Transmission Lines, Inc. | AC line filter network for video applications |
DE29800567U1 (de) * | 1998-01-14 | 1998-04-09 | Siemens AG, 80333 München | Filteranordnung zur Dämpfung für Umrichter mit geregeltem Spannungszwischenkreis und sinusförmigen Phasenströmen |
-
2001
- 2001-12-25 JP JP2001391303A patent/JP2003198306A/ja active Pending
-
2002
- 2002-07-18 US US10/197,561 patent/US6801103B2/en not_active Expired - Lifetime
- 2002-08-15 TW TW091118359A patent/TWI256769B/zh not_active IP Right Cessation
- 2002-09-11 KR KR1020020054843A patent/KR100578623B1/ko active IP Right Grant
- 2002-11-27 AT AT02026466T patent/ATE295627T1/de not_active IP Right Cessation
- 2002-11-27 EP EP02026466A patent/EP1326331B1/en not_active Expired - Lifetime
- 2002-11-27 DE DE60204110T patent/DE60204110T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20030117814A1 (en) | 2003-06-26 |
EP1326331B1 (en) | 2005-05-11 |
US6801103B2 (en) | 2004-10-05 |
DE60204110D1 (de) | 2005-06-16 |
DE60204110T2 (de) | 2005-11-17 |
ATE295627T1 (de) | 2005-05-15 |
JP2003198306A (ja) | 2003-07-11 |
KR20030055093A (ko) | 2003-07-02 |
EP1326331A2 (en) | 2003-07-09 |
EP1326331A3 (en) | 2004-07-07 |
KR100578623B1 (ko) | 2006-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |