JPH0225587B2 - - Google Patents

Info

Publication number
JPH0225587B2
JPH0225587B2 JP8303483A JP8303483A JPH0225587B2 JP H0225587 B2 JPH0225587 B2 JP H0225587B2 JP 8303483 A JP8303483 A JP 8303483A JP 8303483 A JP8303483 A JP 8303483A JP H0225587 B2 JPH0225587 B2 JP H0225587B2
Authority
JP
Japan
Prior art keywords
call
detection circuit
output
circuit
cpu
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.)
Expired
Application number
JP8303483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59208970A (ja
Inventor
Kozo Kasao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58083034A priority Critical patent/JPS59208970A/ja
Publication of JPS59208970A publication Critical patent/JPS59208970A/ja
Publication of JPH0225587B2 publication Critical patent/JPH0225587B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP58083034A 1983-05-12 1983-05-12 インタ−ホン装置 Granted JPS59208970A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58083034A JPS59208970A (ja) 1983-05-12 1983-05-12 インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58083034A JPS59208970A (ja) 1983-05-12 1983-05-12 インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS59208970A JPS59208970A (ja) 1984-11-27
JPH0225587B2 true JPH0225587B2 (enrdf_load_stackoverflow) 1990-06-04

Family

ID=13790936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58083034A Granted JPS59208970A (ja) 1983-05-12 1983-05-12 インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS59208970A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1156932A (ja) * 1997-08-26 1999-03-02 Aiphone Co Ltd ナースコール装置

Also Published As

Publication number Publication date
JPS59208970A (ja) 1984-11-27

Similar Documents

Publication Publication Date Title
JPH0225587B2 (enrdf_load_stackoverflow)
JP3977614B2 (ja) 火災・ガス漏れ警報システム
JP3232354B2 (ja) 中継線装置
JPH11328559A (ja) エレベータの遠隔監視端末装置
JPS62134195U (enrdf_load_stackoverflow)
JP3888908B2 (ja) セキュリティ装置
JP2649592B2 (ja) 非常通報装置
JPH0574060U (ja) ナースコールインターホン用監視装置
JPH0218632Y2 (enrdf_load_stackoverflow)
JPH021672Y2 (enrdf_load_stackoverflow)
JPS61282998A (ja) ホ−ムモニタシステム
JPS62240278A (ja) 非常相互通話装置
JPS60201498A (ja) 遠隔異常監視方式
JPH01125160A (ja) 留守番電話機
JPH08263763A (ja) 火災報知設備および火災報知設備におけるｒ−ｐ変換器
JPH0355694A (ja) 遠隔監視装置
JPS63318854A (ja) 公衆電話機の故障検出方法
JPH01181267A (ja) 遠隔監視システム
JP2002111885A (ja) 集合住宅セキュリティインターホン装置
JPS61248878A (ja) 非常通報装置の試験装置
JPH0815291B2 (ja) データ送受信機能に障害のある子局の判別方式
JPH0457442A (ja) 電話機の回線切り離し警告方法及び電話機
JPS6085468U (ja) ボタン電話装置
JPS62188541A (ja) 通信機器の保守診断方式
JPH036158A (ja) 電話回線用端末装置