JPS6045544U - antenna switching circuit - Google Patents

antenna switching circuit

Info

Publication number
JPS6045544U
JPS6045544U JP13619583U JP13619583U JPS6045544U JP S6045544 U JPS6045544 U JP S6045544U JP 13619583 U JP13619583 U JP 13619583U JP 13619583 U JP13619583 U JP 13619583U JP S6045544 U JPS6045544 U JP S6045544U
Authority
JP
Japan
Prior art keywords
antenna
switching circuit
band
switch
transformer
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.)
Granted
Application number
JP13619583U
Other languages
Japanese (ja)
Other versions
JPS6347101Y2 (en
Inventor
横川　朋尚
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Priority to JP13619583U priority Critical patent/JPS6045544U/en
Publication of JPS6045544U publication Critical patent/JPS6045544U/en
Application granted granted Critical
Publication of JPS6347101Y2 publication Critical patent/JPS6347101Y2/ja
Granted legal-status Critical Current

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  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のアンテナ切換回路図、第２図はホイップ
アンテナの等価回路図、第３図は本考案の一実施例を示
す回路図である。 １・・・メインアンテナ、１２・・・サブアンテナ、１
３・・・トランス、１４・・・受信機、１５，１５’、
１６．１６’、１６“・・・スイッチ、１１・・・切、
換信号発生器、１８・・・コイル、１９．１９’・・・
抵抗、２０・・・スイッチ、２１・・・電源。FIG. 1 is a conventional antenna switching circuit diagram, FIG. 2 is an equivalent circuit diagram of a whip antenna, and FIG. 3 is a circuit diagram showing an embodiment of the present invention. 1... Main antenna, 12... Sub antenna, 1
3...Transformer, 14...Receiver, 15, 15',
16.16', 16"...switch, 11...off,
exchange signal generator, 18...coil, 19.19'...
Resistor, 20... Switch, 21... Power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数のアンテナを具備し、特定バンドにおいて受信状況
に応じてそのアンテナを選択使用する多バンド受信シス
テムにおいて、メインアンテナ側にトランスを設け、そ
のトランスの一次側に電源を供給するスイッチを設け、
メインアンテナのみを使用するバンドではスイッチをオ
フし、アンテナ選択するバンドでは上記スイッチをオン
しかつメインアンテナからの信号はトランスの２次側か
ら出力するように構成したことを特徴とするアンテナ切
換回路。In a multi-band reception system that is equipped with a plurality of antennas and selectively uses the antenna according to reception conditions in a specific band, a transformer is provided on the main antenna side, a switch is provided to supply power to the primary side of the transformer,
An antenna switching circuit characterized in that the switch is turned off in a band where only the main antenna is used, the switch is turned on in a band where an antenna is selected, and the signal from the main antenna is output from the secondary side of a transformer. .
JP13619583U 1983-09-02 1983-09-02 antenna switching circuit Granted JPS6045544U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13619583U JPS6045544U (en) 1983-09-02 1983-09-02 antenna switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13619583U JPS6045544U (en) 1983-09-02 1983-09-02 antenna switching circuit

Publications (2)

Publication Number Publication Date
JPS6045544U true JPS6045544U (en) 1985-03-30
JPS6347101Y2 JPS6347101Y2 (en) 1988-12-06

Family

ID=30306303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13619583U Granted JPS6045544U (en) 1983-09-02 1983-09-02 antenna switching circuit

Country Status (1)

Country Link
JP (1) JPS6045544U (en)

Also Published As

Publication number Publication date
JPS6347101Y2 (en) 1988-12-06

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