JPS58204665A - 回線断線検出警報装置を有する異常通報装置 - Google Patents

回線断線検出警報装置を有する異常通報装置

Info

Publication number
JPS58204665A
JPS58204665A JP57086506A JP8650682A JPS58204665A JP S58204665 A JPS58204665 A JP S58204665A JP 57086506 A JP57086506 A JP 57086506A JP 8650682 A JP8650682 A JP 8650682A JP S58204665 A JPS58204665 A JP S58204665A
Authority
JP
Japan
Prior art keywords
line
detection
output
call
relay
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
JP57086506A
Other languages
English (en)
Japanese (ja)
Other versions
JPH041549B2 (enrdf_load_stackoverflow
Inventor
Shigeru Niimura
茂 新村
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.)
Secom Co Ltd
Original Assignee
Secom 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 Secom Co Ltd filed Critical Secom Co Ltd
Priority to JP57086506A priority Critical patent/JPS58204665A/ja
Publication of JPS58204665A publication Critical patent/JPS58204665A/ja
Publication of JPH041549B2 publication Critical patent/JPH041549B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP57086506A 1982-05-24 1982-05-24 回線断線検出警報装置を有する異常通報装置 Granted JPS58204665A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57086506A JPS58204665A (ja) 1982-05-24 1982-05-24 回線断線検出警報装置を有する異常通報装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57086506A JPS58204665A (ja) 1982-05-24 1982-05-24 回線断線検出警報装置を有する異常通報装置

Publications (2)

Publication Number Publication Date
JPS58204665A true JPS58204665A (ja) 1983-11-29
JPH041549B2 JPH041549B2 (enrdf_load_stackoverflow) 1992-01-13

Family

ID=13888861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57086506A Granted JPS58204665A (ja) 1982-05-24 1982-05-24 回線断線検出警報装置を有する異常通報装置

Country Status (1)

Country Link
JP (1) JPS58204665A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242759A (ja) * 1984-05-17 1985-12-02 Matsushita Electric Ind Co Ltd 回線断線検出装置
JPS63227258A (ja) * 1987-03-17 1988-09-21 Matsushita Electric Works Ltd 遠隔監視制御システム
JPH0260363U (enrdf_load_stackoverflow) * 1988-10-25 1990-05-02
JP2005194063A (ja) * 2004-01-08 2005-07-21 Tadaaki Ogata 避難室機能付きエレベーター

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4897404A (enrdf_load_stackoverflow) * 1972-03-25 1973-12-12
JPS58129598A (ja) * 1982-01-27 1983-08-02 日本電気株式会社 防災・防犯方式

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4897404A (enrdf_load_stackoverflow) * 1972-03-25 1973-12-12
JPS58129598A (ja) * 1982-01-27 1983-08-02 日本電気株式会社 防災・防犯方式

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242759A (ja) * 1984-05-17 1985-12-02 Matsushita Electric Ind Co Ltd 回線断線検出装置
JPS63227258A (ja) * 1987-03-17 1988-09-21 Matsushita Electric Works Ltd 遠隔監視制御システム
JPH0260363U (enrdf_load_stackoverflow) * 1988-10-25 1990-05-02
JP2005194063A (ja) * 2004-01-08 2005-07-21 Tadaaki Ogata 避難室機能付きエレベーター

Also Published As

Publication number Publication date
JPH041549B2 (enrdf_load_stackoverflow) 1992-01-13

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