SG54475A1 - Alarm reporting apparatus - Google Patents

Alarm reporting apparatus

Info

Publication number
SG54475A1
SG54475A1 SG1997000668A SG1997000668A SG54475A1 SG 54475 A1 SG54475 A1 SG 54475A1 SG 1997000668 A SG1997000668 A SG 1997000668A SG 1997000668 A SG1997000668 A SG 1997000668A SG 54475 A1 SG54475 A1 SG 54475A1
Authority
SG
Singapore
Prior art keywords
reporting apparatus
alarm reporting
alarm
reporting
Prior art date
Application number
SG1997000668A
Inventor
Kenichi Furukawa
Satoshi Matsumoto
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
Publication of SG54475A1 publication Critical patent/SG54475A1/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
SG1997000668A 1996-09-19 1997-03-06 Alarm reporting apparatus SG54475A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24803896A JP3544797B2 (en) 1996-09-19 1996-09-19 Error reporting device

Publications (1)

Publication Number Publication Date
SG54475A1 true SG54475A1 (en) 1998-11-16

Family

ID=17172279

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997000668A SG54475A1 (en) 1996-09-19 1997-03-06 Alarm reporting apparatus

Country Status (7)

Country Link
JP (1) JP3544797B2 (en)
KR (1) KR100668991B1 (en)
CN (1) CN1119775C (en)
AU (1) AU722707B2 (en)
MY (1) MY125066A (en)
SG (1) SG54475A1 (en)
TW (1) TW322565B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4504241B2 (en) * 2005-04-01 2010-07-14 株式会社ナカヨ通信機 Automatic response detection method and automatic response detection device
JP6468064B2 (en) * 2015-05-11 2019-02-13 株式会社リコー COMMUNICATION CONTROL DEVICE, COMMUNICATION DEVICE, IMAGE FORMING DEVICE, COMMUNICATION CONTROL DEVICE CONTROL PROGRAM
US10382312B2 (en) * 2016-03-02 2019-08-13 Fisher-Rosemount Systems, Inc. Detecting and locating process control communication line faults from a handheld maintenance tool
JP2020166474A (en) * 2019-03-29 2020-10-08 能美防災株式会社 Fire alarm system, distributed fire alarm system, fire receiver, and telephone relay
CN110753163B (en) * 2019-10-28 2021-05-18 上海市共进通信技术有限公司 Protection device and method for VOIP functional module of optical network terminal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968096A (en) * 1982-10-12 1984-04-17 東京綜合警備保障株式会社 Disconnection monitor for subscriber's circuit
US4737776A (en) * 1986-08-07 1988-04-12 Wallace Wireman Circuit for detecting cut telephone service line and transmitting signal over telephone trunk line
US4922529A (en) * 1988-12-06 1990-05-01 Kiel David J Automatic hangup apparatus for restoring service to off-hook telephones
US4998271A (en) * 1989-08-28 1991-03-05 Venture Technologies, Inc. Telephone accessory
JP2832196B2 (en) * 1990-11-30 1998-12-02 群馬綜合ガードシステム 株式会社 Telephone line disconnection detection device
JPH06223290A (en) * 1993-01-26 1994-08-12 Atsumi Denki Kk Disconnection detection system and telephone equipment

Also Published As

Publication number Publication date
KR19980023992A (en) 1998-07-06
AU722707B2 (en) 2000-08-10
TW322565B (en) 1997-12-11
KR100668991B1 (en) 2007-05-14
CN1177160A (en) 1998-03-25
JPH1097693A (en) 1998-04-14
CN1119775C (en) 2003-08-27
AU1513997A (en) 1998-03-26
JP3544797B2 (en) 2004-07-21
MY125066A (en) 2006-07-31

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