JPH11239085A - 誘導式通信方式及びその装置 - Google Patents
誘導式通信方式及びその装置Info
- Publication number
- JPH11239085A JPH11239085A JP10054130A JP5413098A JPH11239085A JP H11239085 A JPH11239085 A JP H11239085A JP 10054130 A JP10054130 A JP 10054130A JP 5413098 A JP5413098 A JP 5413098A JP H11239085 A JPH11239085 A JP H11239085A
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Abstract
(57)【要約】
【課題】誘導式通信設備を用いた電波閉塞地域内の通信
において、免許等を要しない、高周波利用設備の誘導式
通信設備を用いて、長距離乃至広域通信を可能にする。 【解決手段】電波閉塞地域内の通信システムにおいて、
当該電波閉塞地域内の高周波利用設備の誘導線２に適宜
間隔で誘導式変換器３を介して汎用無線中継器４を接続
し、各汎用無線機５から、直近の上記無線中継器４、上
記誘導線２、上記無線中継器４、各汎用無線機５へと相
互通信させる構成とした。
において、免許等を要しない、高周波利用設備の誘導式
通信設備を用いて、長距離乃至広域通信を可能にする。 【解決手段】電波閉塞地域内の通信システムにおいて、
当該電波閉塞地域内の高周波利用設備の誘導線２に適宜
間隔で誘導式変換器３を介して汎用無線中継器４を接続
し、各汎用無線機５から、直近の上記無線中継器４、上
記誘導線２、上記無線中継器４、各汎用無線機５へと相
互通信させる構成とした。
Description
【０００１】
【発明の属する技術分野】この発明は電波閉塞地域内に
おいて、誘導式通信設備と汎用無線機を結合することに
より、長距離乃至広域での通信を可能にした通信方式及
びその装置に関するものである。
おいて、誘導式通信設備と汎用無線機を結合することに
より、長距離乃至広域での通信を可能にした通信方式及
びその装置に関するものである。
【０００２】
【従来の技術】従来免許等のいらいない誘導式通信設備
は、トンネル、洞道等の地下構築物内、地上の建築物や
構築物内、建物の密集地域内等の電波閉塞地域で使用さ
れている。そして上記場所での誘導式通信設備の使用に
よる通信は、誘導線、又は誘導線化された既設配線の敷
設箇所やこれらの近傍箇所等の制限があるため、上記誘
導線の敷設が困難な場所や、敷設されていない場所での
通信に問題があった。
は、トンネル、洞道等の地下構築物内、地上の建築物や
構築物内、建物の密集地域内等の電波閉塞地域で使用さ
れている。そして上記場所での誘導式通信設備の使用に
よる通信は、誘導線、又は誘導線化された既設配線の敷
設箇所やこれらの近傍箇所等の制限があるため、上記誘
導線の敷設が困難な場所や、敷設されていない場所での
通信に問題があった。
【０００３】
【発明が解決しようとする課題】しかしながらこれらの
電波閉塞地域は、上記構築物の規模の拡大とともに広範
囲に広がってきて、上記の誘導線だけでは通信距離及び
範囲では満足できない状況となっている。
電波閉塞地域は、上記構築物の規模の拡大とともに広範
囲に広がってきて、上記の誘導線だけでは通信距離及び
範囲では満足できない状況となっている。
【０００４】この発明は、これらの点に鑑みて為された
ものであり、誘導式通信設備を用いた電波閉塞地域内の
通信において、免許等を要しない、高周波利用設備の誘
導式通信設備に無線中継器をつなげ、さらに汎用無線機
を用いることにより、長距離乃至広域通信を可能にする
誘導式通信方式及び装置を提供し、上記課題を解決する
ものである。
ものであり、誘導式通信設備を用いた電波閉塞地域内の
通信において、免許等を要しない、高周波利用設備の誘
導式通信設備に無線中継器をつなげ、さらに汎用無線機
を用いることにより、長距離乃至広域通信を可能にする
誘導式通信方式及び装置を提供し、上記課題を解決する
ものである。
【０００５】
【課題を解決するための手段】請求項１項の発明は、誘
導式通信設備を用いた電波閉塞地域内の通信システムに
おいて、当該電波閉塞地域内の高周波利用設備の誘導線
に汎用無線中継器を接続し、各汎用無線機から、直近の
上記無線中継器、上記誘導線、上記無線中継器、各汎用
無線機へと相互通信させる、誘導式通信方式とした。な
お本明細書の上記誘導線への汎用無線中継器の接続に
は、回線を物理的に接続する場合と電波を誘導させる形
態の場合を含むものである。
導式通信設備を用いた電波閉塞地域内の通信システムに
おいて、当該電波閉塞地域内の高周波利用設備の誘導線
に汎用無線中継器を接続し、各汎用無線機から、直近の
上記無線中継器、上記誘導線、上記無線中継器、各汎用
無線機へと相互通信させる、誘導式通信方式とした。な
お本明細書の上記誘導線への汎用無線中継器の接続に
は、回線を物理的に接続する場合と電波を誘導させる形
態の場合を含むものである。
【０００６】また請求項２項の発明は、汎用無線機を用
いた電波閉塞地域内の通信システムにおいて、当該電波
閉塞地域内の誘導線に各汎用無線中継器を、誘導式変換
器を介して接続し、各汎用無線機から、直近の上記無線
中継器、上記誘導線、上記無線中継器、各汎用無線機へ
と相互通信させる構成とし、上記誘導式変換器は汎用無
線周波数のキャリア信号を電波法に抵触せず、無線局申
請等を必要としない高周波利用設備の誘導式通信設備周
波数（２５０ＫＨｚ以下）のキャリア信号に変えて、誘
導線に専用の結合器を用いて電波法に抵触しない電界強
度で電波を誘導させるとともに、誘導線からのキャリア
信号を汎用の無線周波数キャリア信号に変える機能を有
する構成とした誘導式通信装置とした。
いた電波閉塞地域内の通信システムにおいて、当該電波
閉塞地域内の誘導線に各汎用無線中継器を、誘導式変換
器を介して接続し、各汎用無線機から、直近の上記無線
中継器、上記誘導線、上記無線中継器、各汎用無線機へ
と相互通信させる構成とし、上記誘導式変換器は汎用無
線周波数のキャリア信号を電波法に抵触せず、無線局申
請等を必要としない高周波利用設備の誘導式通信設備周
波数（２５０ＫＨｚ以下）のキャリア信号に変えて、誘
導線に専用の結合器を用いて電波法に抵触しない電界強
度で電波を誘導させるとともに、誘導線からのキャリア
信号を汎用の無線周波数キャリア信号に変える機能を有
する構成とした誘導式通信装置とした。
【０００７】
【発明の実施の形態例】以下この発明の実施の形態例を
図に基づいて説明する。図１はこの発明の通信装置の概
要を示し、地下構築物１内において、専用の誘導線２を
設け、この誘導線２に運用範囲毎に誘導式変換器３を設
けている。またこれらの各誘導式変換器３に夫々汎用無
線中継器４を接続している。そして当該地下構築物１内
の作業者等は汎用無線機５を用いて、離れた場所にいる
作業者に対し通信する場合、当該汎用無線機５から発信
すると、直近の汎用無線中継器４でこれを受信し、上記
誘導式変換器３を介して誘導線２に当該電波を誘導して
のせ、遠隔の誘導式変換器３、汎用無線中継器４を介し
て汎用無線機５で受信される構成となっている。
図に基づいて説明する。図１はこの発明の通信装置の概
要を示し、地下構築物１内において、専用の誘導線２を
設け、この誘導線２に運用範囲毎に誘導式変換器３を設
けている。またこれらの各誘導式変換器３に夫々汎用無
線中継器４を接続している。そして当該地下構築物１内
の作業者等は汎用無線機５を用いて、離れた場所にいる
作業者に対し通信する場合、当該汎用無線機５から発信
すると、直近の汎用無線中継器４でこれを受信し、上記
誘導式変換器３を介して誘導線２に当該電波を誘導して
のせ、遠隔の誘導式変換器３、汎用無線中継器４を介し
て汎用無線機５で受信される構成となっている。
【０００８】また図２はこの発明の通信装置に使用する
上記誘導式変換器３の構成を示す。上記無線中継器４か
ら入った無線周波数のキャリア信号は、変調回路６にお
いて、発振回路７で作られた誘導式通信設備の周波数を
取り込み、ＭＨｚを、電波法に抵触せず、無線局申請等
を必要としない高周波利用設備の誘導式通信設備周波数
のＫＨｚに変換する。この変換後の信号を増幅器８によ
り誘導線２への結合レベルに増幅し、結合器９にて誘導
線２へ電波を誘導させる構成となっている。また誘導線
２からの誘導式通信設備周波数のキャリア信号は、結合
器１０により当該変換器３に取り込み、復調回路１１に
おいて、発振回路１２で作られた無線周波数を取り込
み、ＫＨｚをＭＨｚに変換する。この信号を増幅器１３
により無線中継器４の入力レベルに増幅し、当該中継器
４に入力させる構成となっている。
上記誘導式変換器３の構成を示す。上記無線中継器４か
ら入った無線周波数のキャリア信号は、変調回路６にお
いて、発振回路７で作られた誘導式通信設備の周波数を
取り込み、ＭＨｚを、電波法に抵触せず、無線局申請等
を必要としない高周波利用設備の誘導式通信設備周波数
のＫＨｚに変換する。この変換後の信号を増幅器８によ
り誘導線２への結合レベルに増幅し、結合器９にて誘導
線２へ電波を誘導させる構成となっている。また誘導線
２からの誘導式通信設備周波数のキャリア信号は、結合
器１０により当該変換器３に取り込み、復調回路１１に
おいて、発振回路１２で作られた無線周波数を取り込
み、ＫＨｚをＭＨｚに変換する。この信号を増幅器１３
により無線中継器４の入力レベルに増幅し、当該中継器
４に入力させる構成となっている。
【０００９】なお上記実施の形態例では、誘導線２を地
下構築物１内で新たに敷設したが、これに限らず、トン
ネル等の地下構築物内や、地上の建築物、構築物内、建
物の密集地域内に既に敷設されている電灯線等の既設線
を誘導線として使用しても良い。また無線中継器４を誘
導線２に接続するのに、上記実施の形態例では誘導式変
換器３を用いて接続くしているが、他の適宜の方法で接
続してもよい。またこの誘導式変換器の構造も上記実施
の形態例に限るものではない。
下構築物１内で新たに敷設したが、これに限らず、トン
ネル等の地下構築物内や、地上の建築物、構築物内、建
物の密集地域内に既に敷設されている電灯線等の既設線
を誘導線として使用しても良い。また無線中継器４を誘
導線２に接続するのに、上記実施の形態例では誘導式変
換器３を用いて接続くしているが、他の適宜の方法で接
続してもよい。またこの誘導式変換器の構造も上記実施
の形態例に限るものではない。
【００１０】
【発明の効果】請求項１項の発明は、トンネル、洞道、
地下構築物、建物の密集地域等の電波閉塞地域におい
て、汎用無線機相互の通信を、汎用無線中継機相互を誘
導線により接続したことにより、従来の汎用無線機相互
による約３００ｍ〜４００ｍの通信範囲に比べ、極めて
長い距離及び広範囲での相互通信を可能にした。
地下構築物、建物の密集地域等の電波閉塞地域におい
て、汎用無線機相互の通信を、汎用無線中継機相互を誘
導線により接続したことにより、従来の汎用無線機相互
による約３００ｍ〜４００ｍの通信範囲に比べ、極めて
長い距離及び広範囲での相互通信を可能にした。
【００１１】また請求項２項の発明は、上記請求項１項
の効果に加え、汎用無線中継器と誘導線との接続に誘導
式変換器を用いることにより、汎用無線周波数のキャリ
ア信号を誘導式通信設備周波数のキャリア信号に変えた
り、誘導線からのキャリア信号を汎用無線周波数のキャ
リア信号に変換する機能を有し、上記誘導式通信装置の
効果をより確実にするものである。
の効果に加え、汎用無線中継器と誘導線との接続に誘導
式変換器を用いることにより、汎用無線周波数のキャリ
ア信号を誘導式通信設備周波数のキャリア信号に変えた
り、誘導線からのキャリア信号を汎用無線周波数のキャ
リア信号に変換する機能を有し、上記誘導式通信装置の
効果をより確実にするものである。
【図１】この発明の実施の形態例の概略構成図である。
【図２】この発明に使用する誘導式変換器の概略構成図
である。
である。
１ 地下構築物 ２ 誘導線 ３ 誘導式変換器 ４ 汎用無線中
継器 ５ 汎用無線機 ６ 変調回路 ７ 発振回路 ８ 増幅器 ９ 結合器 １０ 結合器 １１ 復調回路 １２ 発振回路 １３ 増幅器
継器 ５ 汎用無線機 ６ 変調回路 ７ 発振回路 ８ 増幅器 ９ 結合器 １０ 結合器 １１ 復調回路 １２ 発振回路 １３ 増幅器
Claims (2)
- 【請求項１】 電波閉塞地域内の通信システムにおい
て、当該電波閉塞地域内の高周波利用設備の誘導線に適
宜間隔で汎用無線中継器を接続し、各汎用無線機から、
直近の上記無線中継器、上記誘導線、上記無線中継器、
各汎用無線機へと相互通信させることを特徴とする、誘
導式通信方式。 - 【請求項２】 電波閉塞地域内の通信システムにおい
て、当該電波閉塞地域内の高周波利用設備の誘導線に各
汎用無線中継器を、誘導式変換器を介して接続し、各汎
用無線機から、直近の上記無線中継器、上記誘導線、上
記無線中継器、各汎用無線機へと相互通信させる構成と
し、上記誘導式変換器は、汎用無線周波数のキャリア信
号を、免許等を要しない高周波利用設備の誘導式通信設
備周波数のキャリア信号に変えて専用結合器を用いて上
記誘導線に電波を誘導させるとともに、誘導線からのキ
ャリア信号を汎用無線周波数のキャリア信号に変える機
能を有する構成としたことを特徴とする、誘導式通信装
置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10054130A JPH11239085A (ja) | 1998-02-20 | 1998-02-20 | 誘導式通信方式及びその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10054130A JPH11239085A (ja) | 1998-02-20 | 1998-02-20 | 誘導式通信方式及びその装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11239085A true JPH11239085A (ja) | 1999-08-31 |
Family
ID=12962015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10054130A Pending JPH11239085A (ja) | 1998-02-20 | 1998-02-20 | 誘導式通信方式及びその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11239085A (ja) |
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