JPS6312947U - - Google Patents

Info

Publication number
JPS6312947U
JPS6312947U JP1986088748U JP8874886U JPS6312947U JP S6312947 U JPS6312947 U JP S6312947U JP 1986088748 U JP1986088748 U JP 1986088748U JP 8874886 U JP8874886 U JP 8874886U JP S6312947 U JPS6312947 U JP S6312947U
Authority
JP
Japan
Prior art keywords
circuit
logic circuit
output
ringer signal
detecting
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
JP1986088748U
Other languages
English (en)
Other versions
JPH0416519Y2 (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 JP1986088748U priority Critical patent/JPH0416519Y2/ja
Publication of JPS6312947U publication Critical patent/JPS6312947U/ja
Application granted granted Critical
Publication of JPH0416519Y2 publication Critical patent/JPH0416519Y2/ja
Expired legal-status Critical Current

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  • Mobile Radio Communication Systems (AREA)

Description

【図面の簡単な説明】
第1図は本考案の無線電話機の盗用防止回路図
、第2図は本考案の盗用防止回路を用いた無線電
話機の子機のブロツク図、第3図は本考案の盗用
防止回路を用いた無線電話機の親機のブロツク図
である。 主な図番の説明、……切換スイツチ、7……
第1論理回路、8……第2論理回路、26……パ
イロツト信号受信回路、27……電話回線閉結回
路、29……リンガー信号検出回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電話回線に接続された親機の該親機と無線で電
    話通話出来るようにした子機とを有するものにお
    いて、前記親機に、リンガー信号の検出を行なう
    リンガー信号検出回路と、前記電話回線の盗用防
    止を行なうための切換スイツチと、前記リンガー
    信号検出回路の出力と前記切換スイツチの操作に
    より出力される信号とを検知する第1論理回路と
    、該第1論理回路の出力と前記子機より送られて
    くる無線信号とを検知し電話回線の開閉動作の制
    御を行なうための第2論理回路と、該第2論理回
    路の出力の一部を前記第1論理回路に帰還させる
    ための帰還用ダイオードとを設けてなる無線電話
    機の盗用防止回路。
JP1986088748U 1986-06-11 1986-06-11 Expired JPH0416519Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986088748U JPH0416519Y2 (ja) 1986-06-11 1986-06-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986088748U JPH0416519Y2 (ja) 1986-06-11 1986-06-11

Publications (2)

Publication Number Publication Date
JPS6312947U true JPS6312947U (ja) 1988-01-28
JPH0416519Y2 JPH0416519Y2 (ja) 1992-04-14

Family

ID=30947120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986088748U Expired JPH0416519Y2 (ja) 1986-06-11 1986-06-11

Country Status (1)

Country Link
JP (1) JPH0416519Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59165532A (ja) * 1983-03-10 1984-09-18 R C L:Kk ト−ンダイアル無線電話機の着信専用化回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59165532A (ja) * 1983-03-10 1984-09-18 R C L:Kk ト−ンダイアル無線電話機の着信専用化回路

Also Published As

Publication number Publication date
JPH0416519Y2 (ja) 1992-04-14

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