JPS648848U - - Google Patents

Info

Publication number
JPS648848U
JPS648848U JP10229387U JP10229387U JPS648848U JP S648848 U JPS648848 U JP S648848U JP 10229387 U JP10229387 U JP 10229387U JP 10229387 U JP10229387 U JP 10229387U JP S648848 U JPS648848 U JP S648848U
Authority
JP
Japan
Prior art keywords
signal
squelch
receiver
circuit
open
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
JP10229387U
Other languages
Japanese (ja)
Other versions
JPH0430836Y2 (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 JP1987102293U priority Critical patent/JPH0430836Y2/ja
Publication of JPS648848U publication Critical patent/JPS648848U/ja
Application granted granted Critical
Publication of JPH0430836Y2 publication Critical patent/JPH0430836Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

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

第1図はこの考案の第1実施例に係る業務用F
M受信機のブロツク図、第2図は第1図中のマイ
クロコンピユータの動作を説明するフローチヤー
ト、第3図は第2実施例に係るブロツク図、第4
図は第3実施例に係るブロツク図、第5図は第4
図中のマイクロコンピユータの動作を説明するフ
ローチヤート、第6図は従来の業務用FM受信機
の一例を示すブロツク図である。 32……信号検出回路、34,34A,34B
……マイクロコンピユータ、38……表示回路、
40……BEEP音信号発生器、42……BEL
L表示器、44……トーンスケルチ回路。
Figure 1 shows a commercial F according to the first embodiment of this invention.
FIG. 2 is a flowchart explaining the operation of the microcomputer in FIG. 1, FIG. 3 is a block diagram of the second embodiment, and FIG. 4 is a block diagram of the M receiver.
The figure is a block diagram of the third embodiment, and FIG. 5 is a block diagram of the fourth embodiment.
A flow chart explaining the operation of the microcomputer shown in the figure is shown, and FIG. 6 is a block diagram showing an example of a conventional commercial FM receiver. 32...Signal detection circuit, 34, 34A, 34B
...Microcomputer, 38...Display circuit,
40...BEEP sound signal generator, 42...BEL
L indicator, 44...Tone squelch circuit.

Claims (1)

【実用新案登録請求の範囲】 信号の有・無を検知してスケルチ開・閉信号を
出力するスケルチ回路と、スケルチ開・閉信号に
従いミユートのオン・オフを行うミユート回路と
、を有する受信機において、 前記スケルチ開信号出力に応動して呼出し表示
と呼出し音の発生を行う呼出し部、 を備えたことを特徴とする受信機。
[Claims for Utility Model Registration] A receiver having a squelch circuit that detects the presence or absence of a signal and outputs a squelch open/close signal, and a mute circuit that turns on and off the mute according to the squelch open/close signal. A receiver comprising: a calling section that displays a calling display and generates a ringing tone in response to the output of the squelch open signal.
JP1987102293U 1987-07-04 1987-07-04 Expired JPH0430836Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987102293U JPH0430836Y2 (en) 1987-07-04 1987-07-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987102293U JPH0430836Y2 (en) 1987-07-04 1987-07-04

Publications (2)

Publication Number Publication Date
JPS648848U true JPS648848U (en) 1989-01-18
JPH0430836Y2 JPH0430836Y2 (en) 1992-07-24

Family

ID=31332071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987102293U Expired JPH0430836Y2 (en) 1987-07-04 1987-07-04

Country Status (1)

Country Link
JP (1) JPH0430836Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6178451U (en) * 1984-10-29 1986-05-26
JPS61104647U (en) * 1984-12-12 1986-07-03

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6178451U (en) * 1984-10-29 1986-05-26
JPS61104647U (en) * 1984-12-12 1986-07-03

Also Published As

Publication number Publication date
JPH0430836Y2 (en) 1992-07-24

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