JP2001337746A - コンピュータの高周波放射を減少させる方法 - Google Patents

コンピュータの高周波放射を減少させる方法

Info

Publication number
JP2001337746A
JP2001337746A JP2001095826A JP2001095826A JP2001337746A JP 2001337746 A JP2001337746 A JP 2001337746A JP 2001095826 A JP2001095826 A JP 2001095826A JP 2001095826 A JP2001095826 A JP 2001095826A JP 2001337746 A JP2001337746 A JP 2001337746A
Authority
JP
Japan
Prior art keywords
dielectric
lossy
cable
conductor
computer
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
JP2001095826A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001337746A5 (https=
Inventor
Edward C Miller
エドワード・シー・ミラー
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2001337746A publication Critical patent/JP2001337746A/ja
Publication of JP2001337746A5 publication Critical patent/JP2001337746A5/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/28Reducing interference caused by currents induced in cable sheathing or armouring

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Communication Cables (AREA)
  • Waveguides (AREA)
  • Insulated Conductors (AREA)
JP2001095826A 2000-03-29 2001-03-29 コンピュータの高周波放射を減少させる方法 Pending JP2001337746A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/537,382 US6538524B1 (en) 2000-03-29 2000-03-29 Using electrically lossy transmission systems to reduce computer RF emissions
US09/537382 2000-03-29

Publications (2)

Publication Number Publication Date
JP2001337746A true JP2001337746A (ja) 2001-12-07
JP2001337746A5 JP2001337746A5 (https=) 2006-11-24

Family

ID=24142407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001095826A Pending JP2001337746A (ja) 2000-03-29 2001-03-29 コンピュータの高周波放射を減少させる方法

Country Status (2)

Country Link
US (1) US6538524B1 (https=)
JP (1) JP2001337746A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101473179B1 (ko) 2013-07-02 2014-12-16 한국과학기술원 용량성 코일의 전송선로

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6703706B2 (en) 2002-01-08 2004-03-09 International Business Machines Corporation Concurrent electrical signal wiring optimization for an electronic package
US7288723B2 (en) * 2003-04-02 2007-10-30 Sun Microsystems, Inc. Circuit board including isolated signal transmission channels
US7295020B2 (en) * 2003-12-18 2007-11-13 Lecroy Corporation Cap at resistors of electrical test probe
US7420474B1 (en) 2005-05-13 2008-09-02 Barron Associates, Inc. Idiosyncratic emissions fingerprinting method for identifying electronic devices
US20080284545A1 (en) * 2007-05-15 2008-11-20 George Andrew Keefe Fixed impedance low pass metal powder filter with a planar buried stripline geometry
WO2011140438A2 (en) 2010-05-07 2011-11-10 Amphenol Corporation High performance cable connector
US8717123B2 (en) 2010-09-17 2014-05-06 The United States Of America As Represented By The Secretary Of The Navy Folded coaxial radio frequency mirror
CN104704682B (zh) 2012-08-22 2017-03-22 安费诺有限公司 高频电连接器
CN121367083A (zh) 2014-01-22 2026-01-20 安费诺有限公司 电连接器、子组件、模块、线缆组件、电气组件及电路板
US10541482B2 (en) 2015-07-07 2020-01-21 Amphenol Fci Asia Pte. Ltd. Electrical connector with cavity between terminals
WO2017056097A1 (en) * 2015-10-02 2017-04-06 ENBAR, Arie Common mode noise suppression method and apparatus
TWI790798B (zh) 2016-08-23 2023-01-21 美商安芬諾股份有限公司 可配置為高性能的連接器
CN208862209U (zh) 2018-09-26 2019-05-14 安费诺东亚电子科技(深圳)有限公司 一种连接器及其应用的pcb板
CN120767627A (zh) 2019-02-19 2025-10-10 安费诺有限公司 电连接器、用于电连接器的组件和电子系统
TWI906252B (zh) 2020-01-27 2025-12-01 美商Fci美國有限責任公司 電連接器及其製造與操作方法、用於電連接器之子總成、包含電連接器的電子總成、纜線連接器、用於纜線連接器之子總成及連接器總成
TW202534957A (zh) 2020-01-27 2025-09-01 美商Fci美國有限責任公司 高速及高密度之直接耦合垂直式連接器
CN215816516U (zh) 2020-09-22 2022-02-11 安费诺商用电子产品(成都)有限公司 电连接器
CN213636403U (zh) 2020-09-25 2021-07-06 安费诺商用电子产品(成都)有限公司 电连接器
CN215266741U (zh) 2021-08-13 2021-12-21 安费诺商用电子产品(成都)有限公司 一种满足高带宽传输的高性能卡类连接器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04340299A (ja) * 1991-01-16 1992-11-26 Tech Res & Dev Inst Of Japan Def Agency ミリ波電波吸収体の製造方法
JPH06177612A (ja) * 1992-10-09 1994-06-24 Tohoku Ricoh Co Ltd 高周波用配線・接続部品
JPH06203652A (ja) * 1993-01-07 1994-07-22 Murata Mfg Co Ltd シールド電線
JP2002510448A (ja) * 1997-06-27 2002-04-02 シーメンス インフォメーション アンド コミュニケーション ネットワークス ソシエタ ペル アチオニ 高誘電損失基板上にプレーナ技術で実現されたマイクロ波vco

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29018E (en) 1970-10-30 1976-10-26 Tektronix, Inc. Continuously variable resistance attenuator using lossy transmission line and having constant signal transit time
JPS5636163Y2 (https=) * 1976-08-19 1981-08-26
US4241829A (en) 1979-06-04 1980-12-30 Republic Packaging Company Means for containing electrostatic sensitive electronic components
US4889750A (en) 1985-07-19 1989-12-26 Acheson Industries, Inc. Conductive coatings and foams for anti-static protection, energy absorption, and electromagnetic compatibility
US4990858A (en) * 1989-05-25 1991-02-05 General Atomics Coaxial microwave asborption diagnostic
US4992060A (en) * 1989-06-28 1991-02-12 Greentree Technologies, Inc. Apparataus and method for reducing radio frequency noise

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04340299A (ja) * 1991-01-16 1992-11-26 Tech Res & Dev Inst Of Japan Def Agency ミリ波電波吸収体の製造方法
JPH06177612A (ja) * 1992-10-09 1994-06-24 Tohoku Ricoh Co Ltd 高周波用配線・接続部品
JPH06203652A (ja) * 1993-01-07 1994-07-22 Murata Mfg Co Ltd シールド電線
JP2002510448A (ja) * 1997-06-27 2002-04-02 シーメンス インフォメーション アンド コミュニケーション ネットワークス ソシエタ ペル アチオニ 高誘電損失基板上にプレーナ技術で実現されたマイクロ波vco

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101473179B1 (ko) 2013-07-02 2014-12-16 한국과학기술원 용량성 코일의 전송선로

Also Published As

Publication number Publication date
US6538524B1 (en) 2003-03-25

Similar Documents

Publication Publication Date Title
JP2001337746A (ja) コンピュータの高周波放射を減少させる方法
US9472840B2 (en) Dielectric waveguide comprised of a core, a cladding surrounding the core and cylindrical shape conductive rings surrounding the cladding
Jackson Considerations in the use of coplanar waveguide for millimeter-wave integrated circuits
JP4017084B2 (ja) マイクロ波伝送装置
Shahparnia et al. Electromagnetic interference (EMI) reduction from printed circuit boards (PCB) using electromagnetic bandgap structures
US4408255A (en) Absorptive electromagnetic shielding for high speed computer applications
EP0661776B1 (en) RF shielded I/O connector
Van Deventer et al. An integral equation method for the evaluation of conductor and dielectric losses in high-frequency interconnects
JP3626354B2 (ja) 配線基板
WO2015122203A1 (ja) プリント基板
JPWO2003081973A1 (ja) 電磁波遮蔽用シート、電磁波遮蔽伝送用ケーブル及び電磁波遮蔽lsi
Jiao Shielding effectiveness improvement of metallic waveguide tube by using wall losses
Xu et al. The development of a closed-form expression for the input impedance of power-return plane structures
US6747870B2 (en) Electromagnetic interference reduction air duct
JP2001266659A (ja) 伝送ケーブル並びに伝送ケーブルを用いた装置
JP5894612B2 (ja) 熱伝導性emi抑制構造
JP7341407B2 (ja) ノイズフィルター
US20140048304A1 (en) Leaky coaxial cable
JPH09205290A (ja) 低emi構造を有する回路基板
US6703909B2 (en) Covering sheet, triplate line using the sheet, signal bus for computer using the sheet and covering structure of electronic circuit using the sheet
CN115767880A (zh) 一种电磁带隙结构、电路板、服务器及电子设备
CN113302707B (zh) 高频螺旋端接器
Wu et al. A theoretical investigation of the resonance damping performance of magnetic material coating in power/ground plane structures
JPWO2014049920A1 (ja) 電磁波伝播システム及び電磁波インターフェースコネクタ
CN112242607B (zh) 传输线缆和电子设备

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061010

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20061010

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081028

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20090128

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20090202

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090428

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090526