JPH0270558U - - Google Patents

Info

Publication number
JPH0270558U
JPH0270558U JP14842588U JP14842588U JPH0270558U JP H0270558 U JPH0270558 U JP H0270558U JP 14842588 U JP14842588 U JP 14842588U JP 14842588 U JP14842588 U JP 14842588U JP H0270558 U JPH0270558 U JP H0270558U
Authority
JP
Japan
Prior art keywords
call
detection circuit
signal
end signal
output
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
JP14842588U
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 JP14842588U priority Critical patent/JPH0270558U/ja
Publication of JPH0270558U publication Critical patent/JPH0270558U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図はこの考案の一実施例の構成を示すブロ
ツク図。第２図は従来例の構成を示すブロツク図
。 １……スピーチネツトワーク、２および４……
終話信号検出回路、３……磁気テープ再生装置、
５……排他論理和回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 回線からの終話信号を検出して終話を識別する
    留守番電話装置の終話検出回路であつて、留守番
    電話装置の再生装置からの再生出力を入力として
    終話信号を検出する第１の終話信号検出回路と、
    回線からの終話信号を検出する第２の終話信号検
    出回路と、第１の終話信号検出回路の検出出力と
    第２の終話信号検出回路の検出出力とを排他論理
    和演算する論理演算手段とを備え、論理演算手段
    の出力を終話検出信号とすることを特徴とする終
    話検出回路。
JP14842588U 1988-11-16 1988-11-16 Pending JPH0270558U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14842588U JPH0270558U (ja) 1988-11-16 1988-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14842588U JPH0270558U (ja) 1988-11-16 1988-11-16

Publications (1)

Publication Number Publication Date
JPH0270558U true JPH0270558U (ja) 1990-05-29

Family

ID=31419741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14842588U Pending JPH0270558U (ja) 1988-11-16 1988-11-16

Country Status (1)

Country Link
JP (1) JPH0270558U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275104A (en) * 1975-12-18 1977-06-23 Matsushita Electric Ind Co Ltd Automatic answering telephone set
JPS5842347A (ja) * 1981-09-05 1983-03-11 Hashimoto Corp 誤動作を防止する遠隔聴取付留守番電話装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275104A (en) * 1975-12-18 1977-06-23 Matsushita Electric Ind Co Ltd Automatic answering telephone set
JPS5842347A (ja) * 1981-09-05 1983-03-11 Hashimoto Corp 誤動作を防止する遠隔聴取付留守番電話装置

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