JPS6019242U - squelch circuit - Google Patents

squelch circuit

Info

Publication number
JPS6019242U
JPS6019242U JP10998183U JP10998183U JPS6019242U JP S6019242 U JPS6019242 U JP S6019242U JP 10998183 U JP10998183 U JP 10998183U JP 10998183 U JP10998183 U JP 10998183U JP S6019242 U JPS6019242 U JP S6019242U
Authority
JP
Japan
Prior art keywords
squelch
squelch circuit
signal
data signal
circuit
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
JP10998183U
Other languages
Japanese (ja)
Other versions
JPH0438603Y2 (en
Inventor
立田　次郎
Original Assignee
富士通テン株式会社
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 富士通テン株式会社 filed Critical 富士通テン株式会社
Priority to JP10998183U priority Critical patent/JPS6019242U/en
Publication of JPS6019242U publication Critical patent/JPS6019242U/en
Application granted granted Critical
Publication of JPH0438603Y2 publication Critical patent/JPH0438603Y2/ja
Granted legal-status Critical Current

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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 drawings]

第１図は本考案の一実施例を示すブ冶ツク図、第２図は
その動作波形図、第３図は受信信号の一例を示す説明図
、第４図はヒステリシスコンパレータの具体例を示す構
成図である。 図中、１はアンテナ、２は受信部、３はヒステリシスコ
ンパレータ、４はスケルチスイッチ、５はアンプ、６は
モデム、７は制御部である。Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is an operating waveform diagram thereof, Fig. 3 is an explanatory diagram showing an example of a received signal, and Fig. 4 shows a specific example of a hysteresis comparator. FIG. In the figure, 1 is an antenna, 2 is a receiving section, 3 is a hysteresis comparator, 4 is a squelch switch, 5 is an amplifier, 6 is a modem, and 7 is a control section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 音声信号に先立ちデータ信号が送信される無線通話装置
の、スケルチ起動および解除の両レベル間にヒステリシ
スを持たせたスケルチ回路において、該データ信号を受
信したらトリガパルスを発生して起動中のスケルチを強
制的に解除する手段を付加したことを特徴とするスケル
チ回路。In a squelch circuit that has hysteresis between the squelch activation and squelch cancellation levels of a wireless communication device where a data signal is transmitted prior to a voice signal, when the data signal is received, a trigger pulse is generated to terminate the activated squelch. A squelch circuit characterized in that a means for forcibly releasing the signal is added.
JP10998183U 1983-07-15 1983-07-15 squelch circuit Granted JPS6019242U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10998183U JPS6019242U (en) 1983-07-15 1983-07-15 squelch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10998183U JPS6019242U (en) 1983-07-15 1983-07-15 squelch circuit

Publications (2)

Publication Number Publication Date
JPS6019242U true JPS6019242U (en) 1985-02-09
JPH0438603Y2 JPH0438603Y2 (en) 1992-09-09

Family

ID=30255976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10998183U Granted JPS6019242U (en) 1983-07-15 1983-07-15 squelch circuit

Country Status (1)

Country Link
JP (1) JPS6019242U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0598836A (en) * 1991-10-14 1993-04-20 Daifuku Co Ltd Sky parking facility

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950139U (en) * 1982-09-24 1984-04-03 パイオニア株式会社 squelch circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950139B2 (en) * 1978-12-20 1984-12-06 三菱電機株式会社 frequency counting circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950139U (en) * 1982-09-24 1984-04-03 パイオニア株式会社 squelch circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0598836A (en) * 1991-10-14 1993-04-20 Daifuku Co Ltd Sky parking facility

Also Published As

Publication number Publication date
JPH0438603Y2 (en) 1992-09-09

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