JP2008099234A - 通信システム - Google Patents
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- JP2008099234A JP2008099234A JP2007148672A JP2007148672A JP2008099234A JP 2008099234 A JP2008099234 A JP 2008099234A JP 2007148672 A JP2007148672 A JP 2007148672A JP 2007148672 A JP2007148672 A JP 2007148672A JP 2008099234 A JP2008099234 A JP 2008099234A
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- 238000004891 communication Methods 0.000 title claims abstract description 268
- 230000005540 biological transmission Effects 0.000 claims abstract description 274
- 238000010168 coupling process Methods 0.000 claims abstract description 117
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 13
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/22—Capacitive coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
【解決手段】銅線あるいはその他の導体を用いた線状の部材からなる表面波伝送線路によって、送信機側の結合電極から放射される表面波をこの伝送線路の内部及び表面を通じて伝搬する。銅線などの導体で構成された表面波伝送線路は、誘電体などで構成された表面波伝送線路と比べ、伝搬ロスが著しく低減するので、表面波伝送線路を分岐させたり束ねたりしても十分使用に耐えられ、非接触通信を行なうための通信スポットを複数の場所に分散させることができる。
【選択図】 図1
Description
高周波結合器と、該高周波結合器で受信した高周波信号を受信処理する受信回路部を備えた受信機と、
前記送信機側の高周波結合器から放射される表面波を表面に沿って伝搬する、導体からなる表面波伝送線路を提供する表面波伝搬手段と、
を具備することを特徴とする通信システムある。
(2)より強い電界で結合させるための並列インダクタがあること。
(3)通信に使用する周波数帯において、結合器を向かい合わせに置いたときにインピーダンス・マッチングが取れるように、インダクタ、及び電極によるコンデンサの定数が設定されていること。
11…送信回路部
12…共振部
12A…並列インダクタ
12B…直列インダクタ
13…発信用電極
15…誘電体
16…スルーホール
17…プリント基板
18…グランド
20…受信機
21…受信回路部
22…共振部
23…受信用電極
30…表面波伝送線路
31…外側層
Claims (13)
- データを伝送する高周波信号を生成する送信回路部と、該高周波信号を静電磁界として送出する高周波結合器を備えた送信機と、
高周波結合器と、該高周波結合器で受信した高周波信号を受信処理する受信回路部を備えた受信機と、
前記送信機側の高周波結合器から放射される表面波を表面に沿って伝搬する、導体からなる表面波伝送線路を提供する表面波伝搬手段と、
を具備することを特徴とする通信システム。 - 前記の高周波信号は、超広帯域を使用するUWB信号である、
ことを特徴とする請求項1に記載の通信システム。 - 前記表面波伝送線路は、少なくとも一端において、前記送信機又は前記受信機側の高周波結合器と静電結合するための結合用電極が、表面波の進行方向に対しほぼ垂直となるように取り付けられている、
ことを特徴とする請求項1に記載の通信システム。 - 前記表面波伝送線路は絶縁体で被覆され又は絶縁性の物体中に埋設される、
ことを特徴とする請求項1に記載の通信システム。 - 前記送信機及び前記受信機が設置される複数の通信スポットを備え、
前記表面波伝搬手段は、前記送信機からの高周波信号の表面波を、前記受信機が設置される複数の通信スポットに対して伝送するための表面波伝送線路を備える、
ことを特徴とする請求項1に記載の通信システム。 - 前記表面波伝搬手段は、前記送信機が設置される通信スポットと、前記受信機を設置することができる各通信スポットとをそれぞれ接続する複数の表面波伝送線路を備える、
ことを特徴とする請求項5に記載の通信システム。 - 前記表面波伝搬手段は、通信スポットの組み合わせ毎に表面波伝送線路を備える、
ことを特徴とする請求項5に記載の通信システム。 - 前記表面波伝搬手段は、前記送信機が設置される通信スポットからの表面波伝送線路を、前記受信機を設置することができる各通信スポットへ分岐させている、
ことを特徴とする請求項5に記載の通信システム。 - 前記送信機は、前記送信回路部が生成する高周波信号を伝送する高周波信号伝送路を、所定の周波数で共振する共振部を介して前記高周波結合器の電極のほぼ中央に接続し、
前記受信機は、前記高周波結合器の電極のほぼ中央において、所定の周波数で共振する共振部を介して、前記受信回路部へ高周波信号を伝送する高周波信号伝送路を接続する、
ことを特徴とする請求項1に記載の通信システム。 - 前記共振部は、使用波長に依存する長さを持つ導体で構成される、
ことを特徴とする請求項9に記載の通信システム。 - 前記共振部は、集中定数回路で構成される、
ことを特徴とする請求項9に記載の通信システム。 - 前記共振部は、前記高周波伝送線路の信号線とグランド間に接続される並列インダクタと、前記高周波伝送線路の信号線と電極間に接続される直列インダクタで構成される、
ことを特徴とする請求項9に記載の通信システム。 - 前記受信機は、前記高周波結合器により受信した高周波信号を整流し、電力を生成する、
ことを特徴とする請求項1に記載の通信システム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007148672A JP4893483B2 (ja) | 2006-09-11 | 2007-06-04 | 通信システム |
US11/838,509 US7890053B2 (en) | 2006-09-11 | 2007-08-14 | Communication system |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006245616 | 2006-09-11 | ||
JP2006245616 | 2006-09-11 | ||
JP2007148672A JP4893483B2 (ja) | 2006-09-11 | 2007-06-04 | 通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008099234A true JP2008099234A (ja) | 2008-04-24 |
JP4893483B2 JP4893483B2 (ja) | 2012-03-07 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007148672A Expired - Fee Related JP4893483B2 (ja) | 2006-09-11 | 2007-06-04 | 通信システム |
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US (1) | US7890053B2 (ja) |
JP (1) | JP4893483B2 (ja) |
Cited By (12)
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JP2008103993A (ja) * | 2006-10-19 | 2008-05-01 | Sony Corp | 通信システム |
JP2009284029A (ja) * | 2008-05-19 | 2009-12-03 | Sony Corp | 通信装置、通信システム、通信方法及びプログラム |
EP2237439A1 (en) * | 2009-03-30 | 2010-10-06 | Sony Corporation | Communication device and high-frequency coupler |
WO2011004656A1 (ja) | 2009-07-09 | 2011-01-13 | 株式会社村田製作所 | アンテナ |
US7894770B2 (en) | 2006-09-11 | 2011-02-22 | Sony Corporation | Communication system and communication apparatus |
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