JPH01115345U - - Google Patents

Info

Publication number
JPH01115345U
JPH01115345U JP907688U JP907688U JPH01115345U JP H01115345 U JPH01115345 U JP H01115345U JP 907688 U JP907688 U JP 907688U JP 907688 U JP907688 U JP 907688U JP H01115345 U JPH01115345 U JP H01115345U
Authority
JP
Japan
Prior art keywords
transmitter
control signal
intermittent
alarm sound
receivers
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
JP907688U
Other languages
English (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 JP907688U priority Critical patent/JPH01115345U/ja
Publication of JPH01115345U publication Critical patent/JPH01115345U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例である受信エリア外
の間欠警報制御信号の信号波形図、第2図は本考
案の他の実施例で、デジタル制御信号を周期Tで
間欠制御信号に変えた信号波形図、第3図は従来
の警報制御信号の実施例、第4図は従来の他の実
施例でデジタル制御信号を示す各信号波形図。 T……周期、TON……警報音ON時間、T
FF……警報音OFF時間、t……デジタル警報
制御信号の周期、tON……デジタル警報制御信
号の警報音ON時間、tOFF……デジタル警報
制御信号の警報音OFF時間。

Claims (1)

    【実用新案登録請求の範囲】
  1. 選択呼出し機能を有する送信装置と複数の受信
    装置とから構成される無線呼出しシステムの受信
    装置において、受信エリア外で送信装置から送信
    されるデータ信号を受信できなかつた時、異常で
    あることを知らせる警報音の制御信号がデユテイ
    比の小さい任意の周期を有し、間欠となつている
    ことを特徴とする受信装置。
JP907688U 1988-01-27 1988-01-27 Pending JPH01115345U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP907688U JPH01115345U (ja) 1988-01-27 1988-01-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP907688U JPH01115345U (ja) 1988-01-27 1988-01-27

Publications (1)

Publication Number Publication Date
JPH01115345U true JPH01115345U (ja) 1989-08-03

Family

ID=31215511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP907688U Pending JPH01115345U (ja) 1988-01-27 1988-01-27

Country Status (1)

Country Link
JP (1) JPH01115345U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130883U (ja) * 1974-08-28 1976-03-05
JPS5379405A (en) * 1976-12-24 1978-07-13 Seiko Instr & Electronics Ltd Individual selective calling reception device with alarm device of reception impossibility status

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130883U (ja) * 1974-08-28 1976-03-05
JPS5379405A (en) * 1976-12-24 1978-07-13 Seiko Instr & Electronics Ltd Individual selective calling reception device with alarm device of reception impossibility status

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