KR940009694B1 - 비상경보장치 - Google Patents

비상경보장치 Download PDF

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Publication number
KR940009694B1
KR940009694B1 KR1019840004244A KR840004244A KR940009694B1 KR 940009694 B1 KR940009694 B1 KR 940009694B1 KR 1019840004244 A KR1019840004244 A KR 1019840004244A KR 840004244 A KR840004244 A KR 840004244A KR 940009694 B1 KR940009694 B1 KR 940009694B1
Authority
KR
South Korea
Prior art keywords
circuit
emergency
switch
relay
signal generator
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 - Fee Related
Application number
KR1019840004244A
Other languages
English (en)
Korean (ko)
Other versions
KR850005119A (ko
Inventor
고오이찌 나가이
Original Assignee
나가이 덴끼 쓰우신끼 가부시기가이샤
고오이찌 나가이
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 나가이 덴끼 쓰우신끼 가부시기가이샤, 고오이찌 나가이 filed Critical 나가이 덴끼 쓰우신끼 가부시기가이샤
Publication of KR850005119A publication Critical patent/KR850005119A/ko
Application granted granted Critical
Publication of KR940009694B1 publication Critical patent/KR940009694B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
KR1019840004244A 1983-12-16 1984-07-19 비상경보장치 Expired - Fee Related KR940009694B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP???58-237220 1983-12-16
JP58237220A JPS60128600A (ja) 1983-12-16 1983-12-16 非常警報装置
JP83-237220 1983-12-16

Publications (2)

Publication Number Publication Date
KR850005119A KR850005119A (ko) 1985-08-21
KR940009694B1 true KR940009694B1 (ko) 1994-10-15

Family

ID=17012157

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840004244A Expired - Fee Related KR940009694B1 (ko) 1983-12-16 1984-07-19 비상경보장치

Country Status (4)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046315Y2 (enExample) * 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 (enExample) * 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
US4656652A (en) 1987-04-07
EP0146372A3 (en) 1988-02-17
JPH0133880B2 (enExample) 1989-07-17
JPS60128600A (ja) 1985-07-09
EP0146372A2 (en) 1985-06-26
KR850005119A (ko) 1985-08-21

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