JP2001345631A - 電波環境対策方法、反射構造体、及び路上通信システム - Google Patents

電波環境対策方法、反射構造体、及び路上通信システム

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Publication number
JP2001345631A
JP2001345631A JP2000164228A JP2000164228A JP2001345631A JP 2001345631 A JP2001345631 A JP 2001345631A JP 2000164228 A JP2000164228 A JP 2000164228A JP 2000164228 A JP2000164228 A JP 2000164228A JP 2001345631 A JP2001345631 A JP 2001345631A
Authority
JP
Japan
Prior art keywords
reflection
reflecting
radio wave
roadside antenna
road
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
JP2000164228A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001345631A5 (enExample
Inventor
Masato Sato
正人 佐藤
Teruo Furuya
輝雄 古屋
Yoshiaki Tsuda
喜秋 津田
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2000164228A priority Critical patent/JP2001345631A/ja
Publication of JP2001345631A publication Critical patent/JP2001345631A/ja
Publication of JP2001345631A5 publication Critical patent/JP2001345631A5/ja
Pending legal-status Critical Current

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  • Aerials With Secondary Devices (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
JP2000164228A 2000-06-01 2000-06-01 電波環境対策方法、反射構造体、及び路上通信システム Pending JP2001345631A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000164228A JP2001345631A (ja) 2000-06-01 2000-06-01 電波環境対策方法、反射構造体、及び路上通信システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000164228A JP2001345631A (ja) 2000-06-01 2000-06-01 電波環境対策方法、反射構造体、及び路上通信システム

Publications (2)

Publication Number Publication Date
JP2001345631A true JP2001345631A (ja) 2001-12-14
JP2001345631A5 JP2001345631A5 (enExample) 2005-08-04

Family

ID=18667875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000164228A Pending JP2001345631A (ja) 2000-06-01 2000-06-01 電波環境対策方法、反射構造体、及び路上通信システム

Country Status (1)

Country Link
JP (1) JP2001345631A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002250089A (ja) * 2001-02-27 2002-09-06 Takechi Kogyo Gomu Co Ltd 電波吸収体
JP2004327888A (ja) * 2003-04-28 2004-11-18 Mitsubishi Cable Ind Ltd 電波吸収パネル
JP2009201145A (ja) * 2009-05-28 2009-09-03 Toshiba Tec Corp 無線タグ読取システム

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525936A (en) * 1975-07-02 1977-01-18 Moriyuki Yamamoto Wave disturbance suppressed structure
JPH0253337A (ja) * 1988-08-18 1990-02-22 Tdk Corp 電波暗室
JPH0453198A (ja) * 1990-06-15 1992-02-20 Ngk Insulators Ltd 電波暗室
JPH05218734A (ja) * 1992-01-31 1993-08-27 Nec Corp 反射波吸収体
JP3011907U (ja) * 1994-11-14 1995-06-06 株式会社船井電機研究所 ノンストップ道路料金徴収システム
JPH0974296A (ja) * 1995-09-05 1997-03-18 Ohbayashi Corp 電波障害を低減する壁構造
JPH10242748A (ja) * 1997-02-27 1998-09-11 Nippon Telegr & Teleph Corp <Ntt> マルチパス防止フェンス
JPH1174726A (ja) * 1997-08-29 1999-03-16 Mitsubishi Heavy Ind Ltd 路上アンテナ
JPH11261283A (ja) * 1998-03-09 1999-09-24 Shimizu Corp 反射波干渉低減型電磁遮蔽建物
JP2001068925A (ja) * 1999-08-26 2001-03-16 Matsushita Electric Ind Co Ltd 路側アンテナ装置
JP2001217645A (ja) * 2000-02-04 2001-08-10 Tdk Corp 自動料金収受システム用電波吸収パネルおよび不要電波抑制方法

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525936A (en) * 1975-07-02 1977-01-18 Moriyuki Yamamoto Wave disturbance suppressed structure
JPH0253337A (ja) * 1988-08-18 1990-02-22 Tdk Corp 電波暗室
JPH0453198A (ja) * 1990-06-15 1992-02-20 Ngk Insulators Ltd 電波暗室
JPH05218734A (ja) * 1992-01-31 1993-08-27 Nec Corp 反射波吸収体
JP3011907U (ja) * 1994-11-14 1995-06-06 株式会社船井電機研究所 ノンストップ道路料金徴収システム
JPH0974296A (ja) * 1995-09-05 1997-03-18 Ohbayashi Corp 電波障害を低減する壁構造
JPH10242748A (ja) * 1997-02-27 1998-09-11 Nippon Telegr & Teleph Corp <Ntt> マルチパス防止フェンス
JPH1174726A (ja) * 1997-08-29 1999-03-16 Mitsubishi Heavy Ind Ltd 路上アンテナ
JPH11261283A (ja) * 1998-03-09 1999-09-24 Shimizu Corp 反射波干渉低減型電磁遮蔽建物
JP2001068925A (ja) * 1999-08-26 2001-03-16 Matsushita Electric Ind Co Ltd 路側アンテナ装置
JP2001217645A (ja) * 2000-02-04 2001-08-10 Tdk Corp 自動料金収受システム用電波吸収パネルおよび不要電波抑制方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
光野篤、桑原義彦: "電波到来角計測の手法と通信車両判別システム", ＮＥＣ技報, vol. 第５０巻第７号, CSNH199700150025, 25 July 1997 (1997-07-25), JP, pages 147 - 155, ISSN: 0000752594 *
光野篤、桑原義彦: "電波到来角計測の手法と通信車両判別システム", ＮＥＣ技報, vol. 第５０巻第７号, JPN3003000032, 25 July 1997 (1997-07-25), JP, pages 147 - 155, ISSN: 0000781887 *
光野篤、桑原義彦: "電波到来角計測の手法と通信車両判別システム", ＮＥＣ技報, vol. 第５０巻第７号, JPNX006016748, 25 July 1997 (1997-07-25), JP, pages 147 - 155, ISSN: 0000730568 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002250089A (ja) * 2001-02-27 2002-09-06 Takechi Kogyo Gomu Co Ltd 電波吸収体
JP2004327888A (ja) * 2003-04-28 2004-11-18 Mitsubishi Cable Ind Ltd 電波吸収パネル
JP2009201145A (ja) * 2009-05-28 2009-09-03 Toshiba Tec Corp 無線タグ読取システム

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