JPH0133880B2 - - Google Patents

Info

Publication number
JPH0133880B2
JPH0133880B2 JP58237220A JP23722083A JPH0133880B2 JP H0133880 B2 JPH0133880 B2 JP H0133880B2 JP 58237220 A JP58237220 A JP 58237220A JP 23722083 A JP23722083 A JP 23722083A JP H0133880 B2 JPH0133880 B2 JP H0133880B2
Authority
JP
Japan
Prior art keywords
emergency
circuit
relay
signal generator
switch
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
JP58237220A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60128600A (ja
Inventor
Kyoichi Nagai
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.)
NAGAI DENKI TSUSHINKI KK
Original Assignee
NAGAI DENKI TSUSHINKI KK
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 NAGAI DENKI TSUSHINKI KK filed Critical NAGAI DENKI TSUSHINKI KK
Priority to JP58237220A priority Critical patent/JPS60128600A/ja
Priority to KR1019840004244A priority patent/KR940009694B1/ko
Priority to US06/681,231 priority patent/US4656652A/en
Priority to EP84308772A priority patent/EP0146372A3/en
Publication of JPS60128600A publication Critical patent/JPS60128600A/ja
Publication of JPH0133880B2 publication Critical patent/JPH0133880B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
    • G08B27/006—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations with transmission via telephone network
    • 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
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • 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
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • G08B25/085—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines using central distribution transmission lines

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
JP58237220A 1983-12-16 1983-12-16 非常警報装置 Granted JPS60128600A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP58237220A JPS60128600A (ja) 1983-12-16 1983-12-16 非常警報装置
KR1019840004244A KR940009694B1 (ko) 1983-12-16 1984-07-19 비상경보장치
US06/681,231 US4656652A (en) 1983-12-16 1984-12-13 Emergency warning device for use in a party line telephone system or the like
EP84308772A EP0146372A3 (en) 1983-12-16 1984-12-14 Emergency warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58237220A JPS60128600A (ja) 1983-12-16 1983-12-16 非常警報装置

Publications (2)

Publication Number Publication Date
JPS60128600A JPS60128600A (ja) 1985-07-09
JPH0133880B2 true JPH0133880B2 (en]) 1989-07-17

Family

ID=17012157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58237220A Granted JPS60128600A (ja) 1983-12-16 1983-12-16 非常警報装置

Country Status (4)

Country Link
US (1) US4656652A (en])
EP (1) EP0146372A3 (en])
JP (1) JPS60128600A (en])
KR (1) KR940009694B1 (en])

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046315Y2 (en]) * 1986-02-05 1992-02-20
GB2205214B (en) * 1987-05-01 1991-05-22 Heber Ltd Monitoring of amusement machine operation
US4912757A (en) * 1989-01-19 1990-03-27 Cellucom, Inc. Paging system
JPH04239255A (ja) * 1991-01-11 1992-08-27 Nippon Telegr & Teleph Corp <Ntt> 遠隔電話機音声報知制御装置
JP2573627Y2 (ja) * 1992-07-13 1998-06-04 東急建設株式会社 警報装置
US7099439B2 (en) 2001-02-26 2006-08-29 Classco Inc. Loop test apparatus and method
US7418087B2 (en) * 2002-01-04 2008-08-26 Classco Inc. Telephone network messaging
CN102118609B (zh) * 2011-02-28 2012-10-03 深圳市泛海三江电子有限公司 一种楼宇可视对讲系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504641A (en) * 1945-06-28 1950-04-18 Automatic Elect Lab Relay circuit for signal control
US3428750A (en) * 1964-05-12 1969-02-18 Jerrold D Hoffman Sequential coded ringing of party line telephones
FR2129281A5 (en]) * 1971-03-11 1972-10-27 Ibm France
US3777065A (en) * 1971-06-30 1973-12-04 Total Syst Corp Calling system utilizing a telephone
US3801971A (en) * 1971-12-17 1974-04-02 J Stendig Telephone alarm system
US3865985A (en) * 1973-09-07 1975-02-11 Letot Inc Telephone control system having wakeup, message waiting, special message and fire alert modes
US4041242A (en) * 1976-03-08 1977-08-09 Letot, Incorporated Telephone signalling system having interruption preventive means
FR2524743A1 (fr) * 1982-04-01 1983-10-07 Wadel Alain Systeme d'alerte entre un centre de secours et des abonnes telephoniques a travers des lignes telephoniques

Also Published As

Publication number Publication date
KR940009694B1 (ko) 1994-10-15
JPS60128600A (ja) 1985-07-09
EP0146372A2 (en) 1985-06-26
EP0146372A3 (en) 1988-02-17
KR850005119A (ko) 1985-08-21
US4656652A (en) 1987-04-07

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