JPH0443033U - - Google Patents

Info

Publication number
JPH0443033U
JPH0443033U JP1990083014U JP8301490U JPH0443033U JP H0443033 U JPH0443033 U JP H0443033U JP 1990083014 U JP1990083014 U JP 1990083014U JP 8301490 U JP8301490 U JP 8301490U JP H0443033 U JPH0443033 U JP H0443033U
Authority
JP
Japan
Prior art keywords
medium wave
tunnel
rebroadcasting
field strength
monitoring device
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
JP1990083014U
Other languages
English (en)
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 filed Critical
Priority to JP1990083014U priority Critical patent/JPH0443033U/ja
Publication of JPH0443033U publication Critical patent/JPH0443033U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Near-Field Transmission Systems (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例による、トンネル
内中波再放送装置を示す系統図、第２図はこの考
案の他の実施例によるトンネル内中波再放送装置
を示す系統図、第３図は従来の中波再放送装置を
示す系統図である。 図において、１はトンネル、２は受信アンテナ
、３は受信機、４は送信機、５は同軸ケーブル、
６は整合器、７は誘導線、８は終端器、９は電界
強度監視装置を示す。尚、図中、同一符号は、同
一、又は相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. トンネル内に中波ラジオ放送を行う、中波再放
    送設備において、トンネル内に電界強度監視装置
    を設置し、これにより、中波送信機の出力を制御
    することを特徴とする中波再放送装置。
JP1990083014U 1990-08-04 1990-08-04 Pending JPH0443033U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990083014U JPH0443033U (ja) 1990-08-04 1990-08-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990083014U JPH0443033U (ja) 1990-08-04 1990-08-04

Publications (1)

Publication Number Publication Date
JPH0443033U true JPH0443033U (ja) 1992-04-13

Family

ID=31630329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990083014U Pending JPH0443033U (ja) 1990-08-04 1990-08-04

Country Status (1)

Country Link
JP (1) JPH0443033U (ja)

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