JPH03109462U - - Google Patents

Info

Publication number
JPH03109462U
JPH03109462U JP1746590U JP1746590U JPH03109462U JP H03109462 U JPH03109462 U JP H03109462U JP 1746590 U JP1746590 U JP 1746590U JP 1746590 U JP1746590 U JP 1746590U JP H03109462 U JPH03109462 U JP H03109462U
Authority
JP
Japan
Prior art keywords
signal
ringing
monitor
tone
circuit
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
JP1746590U
Other languages
English (en)
Japanese (ja)
Other versions
JP2533760Y2 (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 JP1990017465U priority Critical patent/JP2533760Y2/ja
Publication of JPH03109462U publication Critical patent/JPH03109462U/ja
Application granted granted Critical
Publication of JP2533760Y2 publication Critical patent/JP2533760Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP1990017465U 1990-02-23 1990-02-23 モニター機能を有したインターホン親機及びこれを用いたインターホンシステム Expired - Lifetime JP2533760Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990017465U JP2533760Y2 (ja) 1990-02-23 1990-02-23 モニター機能を有したインターホン親機及びこれを用いたインターホンシステム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990017465U JP2533760Y2 (ja) 1990-02-23 1990-02-23 モニター機能を有したインターホン親機及びこれを用いたインターホンシステム

Publications (2)

Publication Number Publication Date
JPH03109462U true JPH03109462U (en]) 1991-11-11
JP2533760Y2 JP2533760Y2 (ja) 1997-04-23

Family

ID=31520673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990017465U Expired - Lifetime JP2533760Y2 (ja) 1990-02-23 1990-02-23 モニター機能を有したインターホン親機及びこれを用いたインターホンシステム

Country Status (1)

Country Link
JP (1) JP2533760Y2 (en])

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946057U (ja) * 1982-09-17 1984-03-27 アイホン株式会社 モニタテレビ付インタ−ホン装置
JPS61146056U (en]) * 1985-03-01 1986-09-09
JPH01146653U (en]) * 1988-03-30 1989-10-09

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946057U (ja) * 1982-09-17 1984-03-27 アイホン株式会社 モニタテレビ付インタ−ホン装置
JPS61146056U (en]) * 1985-03-01 1986-09-09
JPH01146653U (en]) * 1988-03-30 1989-10-09

Also Published As

Publication number Publication date
JP2533760Y2 (ja) 1997-04-23

Similar Documents

Publication Publication Date Title
JPH03109462U (en])
JP3861773B2 (ja) インターホンシステム
JPS60260280A (ja) ドアホンカメラシステム
JPH0354459Y2 (en])
JPS5854706B2 (ja) 音響警報装置を持つインタ−ホン装置
JP2001086490A (ja) テレビインターホン装置
KR860001749B1 (ko) 도어폰
KR19980015987A (ko) 전화기에서 주변상황 통보장치 및 방법
JP2002099980A (ja) 携帯電話による異常通報装置
JPH02108456U (en])
JP3660121B2 (ja) インターホン装置
JPS5912847Y2 (ja) インタ−ホン
KR0131450Y1 (ko) 멀티미디어 피시의 음성 송신장치
JPH0766881A (ja) インターホン
JP2502566B2 (ja) 電話機
JPH03117954A (ja) インターホン装置
JPH03121490U (en])
JPH07202994A (ja) 複数の呼出音を登録可能な電話機
JPH08107463A (ja) 磁石式電話回線用端末装置
JPH0357655U (en])
JPS63300656A (ja) 電話機
JPH0346265U (en])
JPH0257655U (en])
JPH0425394U (en])
JPH0773301B2 (ja) 通信端末機