JPH01179642U - - Google Patents

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Publication number
JPH01179642U
JPH01179642U JP1988074815U JP7481588U JPH01179642U JP H01179642 U JPH01179642 U JP H01179642U JP 1988074815 U JP1988074815 U JP 1988074815U JP 7481588 U JP7481588 U JP 7481588U JP H01179642 U JPH01179642 U JP H01179642U
Authority
JP
Japan
Prior art keywords
circuit
reception
transmission
control unit
ptt
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
JP1988074815U
Other languages
Japanese (ja)
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 JP1988074815U priority Critical patent/JPH01179642U/ja
Publication of JPH01179642U publication Critical patent/JPH01179642U/ja
Pending legal-status Critical Current

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  • Electric Clocks (AREA)
  • Transceivers (AREA)

Description

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

第１図はこの考案に係るトランシーバの実施例
を示したブロツク図である。 主な番号の説明、２：アンテナ切換器、３：受
信部、５：スケルチ回路、６：ＡＦ増幅器、８：
送受信制御部、９：ＰＴＴ操作スイツチ、１０：
送信部、１２：論理和（ＯＲ）回路、１３：タイ
マ回路、１４：アラーム発生回路。 FIG. 1 is a block diagram showing an embodiment of a transceiver according to this invention. Explanation of main numbers, 2: Antenna switcher, 3: Receiver, 5: Squelch circuit, 6: AF amplifier, 8:
Transmission/reception control section, 9: PTT operation switch, 10:
Transmission section, 12: OR circuit, 13: timer circuit, 14: alarm generation circuit.

Claims (1)

【実用新案登録請求の範囲】 送受信制御部で制御されて送信及び受信の通信
を行うトランシーバにおいて、 受信部に構成されているスケルチ回路のアンス
ケルチ信号と、送受信制御部に設けられたＰＴＴ
操作スイツチにより設定されるＰＴＴ信号と、こ
のアンスケルチ信号とＰＴＴ信号との論理和（Ｏ
Ｒ）を取つて出力する論理和（ＯＲ）回路と、こ
の論理和（ＯＲ）回路の出力信号によつて計時を
開始するタイマ回路と、このタイマ回路によつて
作動するアラーム発生回路とを備えたことを特徴
とするトランシーバ。[Claim for Utility Model Registration] In a transceiver that performs transmission and reception communications under the control of a transmission/reception control unit, an unsquelch signal from a squelch circuit configured in the reception unit and a PTT provided in the transmission/reception control unit
The PTT signal set by the operation switch, the logical sum (O
R), a timer circuit that starts measuring time based on the output signal of the OR circuit, and an alarm generation circuit that is activated by the timer circuit. A transceiver characterized by:
JP1988074815U 1988-06-07 1988-06-07 Pending JPH01179642U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988074815U JPH01179642U (en) 1988-06-07 1988-06-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988074815U JPH01179642U (en) 1988-06-07 1988-06-07

Publications (1)

Publication Number Publication Date
JPH01179642U true JPH01179642U (en) 1989-12-22

Family

ID=31299905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988074815U Pending JPH01179642U (en) 1988-06-07 1988-06-07

Country Status (1)

Country Link
JP (1) JPH01179642U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746346B2 (en) * 1979-08-21 1982-10-02
JPS5936442A (en) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd State display system of radio device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746346B2 (en) * 1979-08-21 1982-10-02
JPS5936442A (en) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd State display system of radio device

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