JPS6126344U - FM receiver - Google Patents

FM receiver

Info

Publication number
JPS6126344U
JPS6126344U JP10932084U JP10932084U JPS6126344U JP S6126344 U JPS6126344 U JP S6126344U JP 10932084 U JP10932084 U JP 10932084U JP 10932084 U JP10932084 U JP 10932084U JP S6126344 U JPS6126344 U JP S6126344U
Authority
JP
Japan
Prior art keywords
detection means
detection
noise
fade
output
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
JP10932084U
Other languages
Japanese (ja)
Inventor
弘志 近藤
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP10932084U priority Critical patent/JPS6126344U/en
Publication of JPS6126344U publication Critical patent/JPS6126344U/en
Pending legal-status Critical Current

Links

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図及び第3図は本考案に係るFM受信機の第1及び
第2実施例を示す系統図、第2図及び第4図はその動作
説明に供する図である。 4・・・・・・アンテナ切替器、22・・・・・・検出
手段、24・・・・・・エンベロープ検波器、26・・
・・・・微分回路、28・・・・・・比較器、32,3
4・・・・・・フリップフロツプ、40・・・・・・判
別回路。
1 and 3 are system diagrams showing first and second embodiments of the FM receiver according to the present invention, and FIGS. 2 and 4 are diagrams for explaining the operation thereof. 4... Antenna switcher, 22... Detection means, 24... Envelope detector, 26...
... Differential circuit, 28 ... Comparator, 32,3
4...Flip-flop, 40...Discrimination circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中間周波信号がマルチパスノイズあるいはフェードアウ
ト雑音の検出手段に供給され、この検出手段で上記マル
チパスノイズあるいはフェードアウト雑音を検出したと
きはその検出出力で一対のアンテナの切替器を制御する
ようにし、上記検出手段は上記中間周波信号をエンベロ
ープ検波した出力を微分する微分回路と、その微分出力
の極小値近傍のレベルを検出するレベル比較器とを有す
ることを特徴としたFM受信機。
The intermediate frequency signal is supplied to multipath noise or fade-out noise detection means, and when the detection means detects the multipath noise or fade-out noise, the detection output controls the switching device of the pair of antennas. An FM receiver characterized in that the detection means includes a differentiation circuit for differentiating the output of envelope detection of the intermediate frequency signal, and a level comparator for detecting a level near the minimum value of the differential output.
JP10932084U 1984-07-19 1984-07-19 FM receiver Pending JPS6126344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10932084U JPS6126344U (en) 1984-07-19 1984-07-19 FM receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10932084U JPS6126344U (en) 1984-07-19 1984-07-19 FM receiver

Publications (1)

Publication Number Publication Date
JPS6126344U true JPS6126344U (en) 1986-02-17

Family

ID=30668474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10932084U Pending JPS6126344U (en) 1984-07-19 1984-07-19 FM receiver

Country Status (1)

Country Link
JP (1) JPS6126344U (en)

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