JPH0167851U - - Google Patents

Info

Publication number
JPH0167851U
JPH0167851U JP1987161449U JP16144987U JPH0167851U JP H0167851 U JPH0167851 U JP H0167851U JP 1987161449 U JP1987161449 U JP 1987161449U JP 16144987 U JP16144987 U JP 16144987U JP H0167851 U JPH0167851 U JP H0167851U
Authority
JP
Japan
Prior art keywords
detector
call
silent
silence code
handset
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
JP1987161449U
Other languages
English (en)
Other versions
JPH0413866Y2 (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 JP1987161449U priority Critical patent/JPH0413866Y2/ja
Publication of JPH0167851U publication Critical patent/JPH0167851U/ja
Application granted granted Critical
Publication of JPH0413866Y2 publication Critical patent/JPH0413866Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】
図はこの考案の一実施例を示すブロツク図であ
る。 1……交換機、2……デジタル電話機、20…
…コーデツク、21……受話器、22……シリア
ル・パラレル変換器、23……無音コード検出器
、24……終話検出器、25……切換器、26…
…無音トランク。

Claims (1)

    【実用新案登録請求の範囲】
  1. 終話時に受話器を無音状態に維持するデジタル
    電話機において、相手側から送られてくる無音コ
    ードを検出する無音コード検出器と、無音コード
    が所定期間以上継続したとき出力信号を送出する
    終話検出器と、終話検出器の出力信号によつて受
    話器を無音トランクに接続する切換器とを備えた
    ことを特徴とするデジタル電話機。
JP1987161449U 1987-10-23 1987-10-23 Expired JPH0413866Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987161449U JPH0413866Y2 (ja) 1987-10-23 1987-10-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987161449U JPH0413866Y2 (ja) 1987-10-23 1987-10-23

Publications (2)

Publication Number Publication Date
JPH0167851U true JPH0167851U (ja) 1989-05-01
JPH0413866Y2 JPH0413866Y2 (ja) 1992-03-30

Family

ID=31444396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987161449U Expired JPH0413866Y2 (ja) 1987-10-23 1987-10-23

Country Status (1)

Country Link
JP (1) JPH0413866Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100555A (en) * 1980-01-17 1981-08-12 Matsushita Electric Ind Co Ltd Automatic answering telephone set

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100555A (en) * 1980-01-17 1981-08-12 Matsushita Electric Ind Co Ltd Automatic answering telephone set

Also Published As

Publication number Publication date
JPH0413866Y2 (ja) 1992-03-30

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