JPH0365350U - - Google Patents

Info

Publication number
JPH0365350U
JPH0365350U JP12781389U JP12781389U JPH0365350U JP H0365350 U JPH0365350 U JP H0365350U JP 12781389 U JP12781389 U JP 12781389U JP 12781389 U JP12781389 U JP 12781389U JP H0365350 U JPH0365350 U JP H0365350U
Authority
JP
Japan
Prior art keywords
intercom
tuning number
tuning
setting switch
allows
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
JP12781389U
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 JP12781389U priority Critical patent/JPH0365350U/ja
Publication of JPH0365350U publication Critical patent/JPH0365350U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Description

【図面の簡単な説明】
第1図は本考案によるインターホン装置のブロ
ツク図、第2図は従来のインターホン装置のブロ
ツク図である。 4……ラダー抵抗、5……CPU、5a……A
/D変換回路、SW〜SW……選局番号設定
スイツチ、TEL〜TEL……発、着信端末

Claims (1)

    【実用新案登録請求の範囲】
  1. 選局番号を設定した発、着端末相互でバスケー
    ブルを介してインターホン通話ができるインター
    ホン装置において、選局番号を設定する選局番号
    設定スイツチと、前記選局番号設定スイツチで設
    定された電圧の変化をアナログ信号として出力す
    るラダー抵抗と、前記ラダー抵抗から入力された
    アナログ信号をデジタル信号に変換するA/D変
    換回路を設けたCPUと、前記デジタル信号を解
    読したCPUが前記発端末から選局番号を入力さ
    れたとき、発、着端末でインターホン通話ができ
    る通話回路とを備えたインターホン装置。
JP12781389U 1989-10-31 1989-10-31 Pending JPH0365350U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12781389U JPH0365350U (ja) 1989-10-31 1989-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12781389U JPH0365350U (ja) 1989-10-31 1989-10-31

Publications (1)

Publication Number Publication Date
JPH0365350U true JPH0365350U (ja) 1991-06-25

Family

ID=31675556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12781389U Pending JPH0365350U (ja) 1989-10-31 1989-10-31

Country Status (1)

Country Link
JP (1) JPH0365350U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006006363A (ja) * 2004-06-22 2006-01-12 Nice Corp 住宅における玄関構造

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239011B2 (ja) * 1971-12-19 1977-10-03
JPS5637558B2 (ja) * 1978-02-15 1981-09-01
JPS62101159A (ja) * 1985-10-28 1987-05-11 Aihon Kk インタ−ホン装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239011B2 (ja) * 1971-12-19 1977-10-03
JPS5637558B2 (ja) * 1978-02-15 1981-09-01
JPS62101159A (ja) * 1985-10-28 1987-05-11 Aihon Kk インタ−ホン装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006006363A (ja) * 2004-06-22 2006-01-12 Nice Corp 住宅における玄関構造

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