DE68907992D1 - Reflexarme kammer fuer funkwellen. - Google Patents

Reflexarme kammer fuer funkwellen.

Info

Publication number
DE68907992D1
DE68907992D1 DE8989304236T DE68907992T DE68907992D1 DE 68907992 D1 DE68907992 D1 DE 68907992D1 DE 8989304236 T DE8989304236 T DE 8989304236T DE 68907992 T DE68907992 T DE 68907992T DE 68907992 D1 DE68907992 D1 DE 68907992D1
Authority
DE
Germany
Prior art keywords
low
radio waves
reflective chamber
reflective
chamber
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.)
Expired - Fee Related
Application number
DE8989304236T
Other languages
English (en)
Other versions
DE68907992T2 (de
Inventor
Shigekazu Shibuya
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.)
SHIBUYA SHIGEKAZU YOKOHAMA KANAGAWA JP
Original Assignee
SHIBUYA SHIGEKAZU YOKOHAMA KANAGAWA JP
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 SHIBUYA SHIGEKAZU YOKOHAMA KANAGAWA JP filed Critical SHIBUYA SHIGEKAZU YOKOHAMA KANAGAWA JP
Publication of DE68907992D1 publication Critical patent/DE68907992D1/de
Application granted granted Critical
Publication of DE68907992T2 publication Critical patent/DE68907992T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/10—Radiation diagrams of antennas
    • G01R29/105—Radiation diagrams of antennas using anechoic chambers; Chambers or open field sites used therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE89304236T 1988-04-28 1989-04-27 Reflexarme Kammer für Funkwellen. Expired - Fee Related DE68907992T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63105900A JPH0732320B2 (ja) 1988-04-28 1988-04-28 反射板のある電波暗室

Publications (2)

Publication Number Publication Date
DE68907992D1 true DE68907992D1 (de) 1993-09-09
DE68907992T2 DE68907992T2 (de) 1993-11-11

Family

ID=14419759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89304236T Expired - Fee Related DE68907992T2 (de) 1988-04-28 1989-04-27 Reflexarme Kammer für Funkwellen.

Country Status (6)

Country Link
US (1) US4906998A (de)
EP (1) EP0340012B1 (de)
JP (1) JPH0732320B2 (de)
KR (1) KR970007981B1 (de)
CN (1) CN1017765B (de)
DE (1) DE68907992T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2574409B2 (ja) * 1988-07-08 1997-01-22 松下電器産業株式会社 Ｅｍｃ試験用電磁波無響室およびそのシールド材
JPH04276700A (ja) * 1991-03-05 1992-10-01 Sanki Denshi Kogyo Kk 電波暗室
US5208599A (en) * 1991-08-28 1993-05-04 Ohio State University Serrated electromagnetic absorber
US5302960A (en) * 1992-07-20 1994-04-12 Digital Equipment Corporation Multi-element susceptibility room
US5438333A (en) * 1994-07-28 1995-08-01 Arc Technologies, Inc. Electromagnetic radiation absorbing shroud
AU8649798A (en) * 1997-10-24 1999-05-17 Sumitomo Special Metals Co., Ltd. Silicon based conductive material and process for production thereof
US5929972A (en) * 1998-01-14 1999-07-27 Quo Vadis, Inc. Communication apparatus and method for performing vision testing on deaf and severely hearing-impaired individuals
JP3983404B2 (ja) * 1999-01-13 2007-09-26 本田技研工業株式会社 レーダ搭載車両用ゲート
SE0002980D0 (sv) * 2000-03-31 2000-08-23 Kildal Antenn Consulting Ab A method and an apparatus for measuring the performance of antennas
US6756932B1 (en) * 2003-06-10 2004-06-29 Raytheon Company Microwave absorbing material
TWI390217B (zh) * 2006-09-28 2013-03-21 Murata Manufacturing Co 天線特性測定裝置及天線特性測定方法
EP1983608B1 (de) * 2007-04-20 2013-02-27 Saab AB Luftfahrzeugintegrierte Antenne
US8013775B2 (en) * 2007-04-30 2011-09-06 Viasat, Inc. Radio frequency absorber
US7830296B2 (en) * 2007-07-11 2010-11-09 Finisar Corporation Anechoic structures for absorbing electromagnetic interference in a communications module
KR101009630B1 (ko) * 2008-11-04 2011-01-21 한국전자통신연구원 안테나 방사 성능 측정 장치 및 그 설계 방법
US7940204B1 (en) * 2009-05-28 2011-05-10 Orbit Advanced Technologies, Inc. Absorber assembly for an anechoic chamber
US8346245B2 (en) * 2009-06-19 2013-01-01 Empire Technology Development Llc Wireless communication obstacles for improving wireless communications
RU2456625C1 (ru) * 2011-03-22 2012-07-20 Сергей Николаевич Алаторцев Устройство подвеса радиолокационного объекта
US9482708B2 (en) 2013-01-29 2016-11-01 ETS-Lindgren Inc. Enhanced reverberation chamber
RU2541206C2 (ru) * 2013-03-06 2015-02-10 Открытое акционерное общество "Информационные спутниковые системы" имени академика М.Ф. Решетнева" Способ определения радиотехнических характеристик крупногабаритных антенн для космических аппаратов без их непосредственных измерений
US9746423B2 (en) 2013-05-15 2017-08-29 ETS-Lindgren Inc. Reverberation chamber loading
BR112015030250B1 (pt) * 2013-06-06 2021-12-28 Koninklijke Philips N.V. Blindagem de sala de exame para blindar eletromagneticamente um sistema de imageamento por ressonância magnética, e, sistema de imageamento por ressonância magnética
EP3022279B1 (de) * 2013-07-18 2019-03-27 Galaxy Surfactants Ltd. Fliessfähige, feste und hochaktive alkylethersulfate
WO2015149133A1 (en) * 2014-04-03 2015-10-08 Vecta Pty Ltd Testing method and apparatus
CN106850085B (zh) * 2016-12-29 2023-07-21 西北核技术研究所 一种测试材料射频响应性能的装置
CN108366518B (zh) * 2018-01-30 2020-10-27 深圳市共进电子股份有限公司 一种金属屏蔽箱

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120641A (en) * 1960-06-08 1964-02-04 Emerson & Cuming Inc Microwave anechoic chamber
US3113271A (en) * 1960-06-28 1963-12-03 Emerson & Cuming Inc Microwave anechoic chamber
US3308463A (en) * 1964-08-04 1967-03-07 Goodrich Co B F Anechoic chamber
US3571479A (en) * 1969-06-30 1971-03-16 Goodyear Aerospace Corp Digital electronic radar target generator
US3806943A (en) * 1972-10-02 1974-04-23 A Holloway Anechoic chamber
CA1100625A (en) * 1977-04-01 1981-05-05 Leland H. Hemming Plane wave lens
US4507660A (en) * 1982-07-16 1985-03-26 Advanced Electromagnetics, Inc. Anechoic chamber

Also Published As

Publication number Publication date
EP0340012B1 (de) 1993-08-04
CN1017765B (zh) 1992-08-05
KR910008979A (ko) 1991-05-31
DE68907992T2 (de) 1993-11-11
US4906998A (en) 1990-03-06
JPH0732320B2 (ja) 1995-04-10
KR970007981B1 (ko) 1997-05-19
CN1037424A (zh) 1989-11-22
EP0340012A1 (de) 1989-11-02
JPH02153598A (ja) 1990-06-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee