FI94085B - Brandalarmsystem - Google Patents

Brandalarmsystem

Info

Publication number
FI94085B
FI94085B FI885531A FI885531A FI94085B FI 94085 B FI94085 B FI 94085B FI 885531 A FI885531 A FI 885531A FI 885531 A FI885531 A FI 885531A FI 94085 B FI94085 B FI 94085B
Authority
FI
Finland
Prior art keywords
addressable
detectors
detector
receiving unit
circuit
Prior art date
Application number
FI885531A
Other languages
English (en)
Finnish (fi)
Other versions
FI885531A (sv
FI885531A0 (sv
FI94085C (sv
Inventor
Sadataka Yuchi
Original Assignee
Hochiki Co
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
Priority claimed from JP30283487A external-priority patent/JPH031295A/ja
Priority claimed from JP62330544A external-priority patent/JPH0827874B2/ja
Application filed by Hochiki Co filed Critical Hochiki Co
Publication of FI885531A0 publication Critical patent/FI885531A0/sv
Publication of FI885531A publication Critical patent/FI885531A/sv
Publication of FI94085B publication Critical patent/FI94085B/sv
Application granted granted Critical
Publication of FI94085C publication Critical patent/FI94085C/sv

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor
    • 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
    • G08B25/04—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 a single signalling line, e.g. in a closed loop

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
FI885531A 1987-11-30 1988-11-29 Brandalarmsystem FI94085C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP30283487A JPH031295A (ja) 1987-11-30 1987-11-30 火災報知設備
JP30283487 1987-11-30
JP33054487 1987-12-26
JP62330544A JPH0827874B2 (ja) 1987-12-26 1987-12-26 火災報知装置

Publications (4)

Publication Number Publication Date
FI885531A0 FI885531A0 (sv) 1988-11-29
FI885531A FI885531A (sv) 1989-05-31
FI94085B true FI94085B (sv) 1995-03-31
FI94085C FI94085C (sv) 1995-07-10

Family

ID=26563286

Family Applications (1)

Application Number Title Priority Date Filing Date
FI885531A FI94085C (sv) 1987-11-30 1988-11-29 Brandalarmsystem

Country Status (7)

Country Link
US (1) US5017905A (sv)
EP (1) EP0319266B1 (sv)
AT (1) ATE119704T1 (sv)
AU (1) AU624097B2 (sv)
DE (1) DE3853267T2 (sv)
FI (1) FI94085C (sv)
NO (1) NO885320L (sv)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02121098A (ja) * 1988-10-31 1990-05-08 Hochiki Corp 火災報知装置
JP3021803B2 (ja) * 1991-05-30 2000-03-15 富士電機株式会社 信号伝送方法
AU2658392A (en) * 1991-09-10 1993-04-05 Electronic Retailing Systems International, Inc. Localizing power faults in an electronic pricing display system
DE69428816T2 (de) * 1993-03-25 2002-04-11 Nohmi Bosai Ltd., Tokio/Tokyo Empfangsstation in Feueralarmsystem
EP0644679A3 (en) * 1993-09-03 1997-12-03 Fujitsu Limited Remote supervisory system for network elements
US5790018A (en) * 1993-10-19 1998-08-04 Nohmi Bosai Ltd. Fire alarm system
JP3439507B2 (ja) * 1993-10-26 2003-08-25 能美防災株式会社 火災報知設備
US5644293A (en) * 1995-05-16 1997-07-01 General Signal Corporation Ground fault detection with location identification
US5670937A (en) * 1995-05-16 1997-09-23 General Signal Corporation Line monitor for two wire data transmission
US5721530A (en) * 1995-05-16 1998-02-24 General Signal Corporation Stand alone mode for alarm-type module
US5701115A (en) * 1995-05-16 1997-12-23 General Signal Corporation Field programmable module personalities
US5786757A (en) * 1995-05-16 1998-07-28 General Signal Corporation Load shed scheme for two wire data transmission
US5864286A (en) * 1995-05-16 1999-01-26 General Signal Corporation Distributed intelligence alarm system having a two- tier monitoring process for detecting alarm conditions
GB2336455B (en) * 1998-04-16 2001-08-15 Apollo Fire Detectors Ltd Detecting device and an alarm system
JP3729643B2 (ja) * 1998-06-15 2005-12-21 能美防災株式会社 火災報知設備
GB2342204B (en) * 1998-09-30 2003-05-07 Apollo Fire Detectors Ltd Fire detection and alarm system with selective fire warning
JP3724689B2 (ja) * 1998-10-30 2005-12-07 ホーチキ株式会社 火災監視装置及び火災感知器
JP2002074568A (ja) * 2000-08-30 2002-03-15 Nittan Co Ltd 防災システム及び端末器
US6960987B2 (en) * 2001-09-21 2005-11-01 Hochiki Corporation Fire alarm system, fire sensor, fire receiver, and repeater
DE102010002295A1 (de) * 2010-02-24 2011-08-25 Liebold, Edgar, 08064 Brandmelder sowie Überwachungssystem mit einem solchen Brandmelder
GB2500885B (en) * 2012-04-02 2015-08-05 Anthony Payn Signalling system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927404A (en) * 1973-10-18 1975-12-16 Standard Electric Time Corp Time division multiple access communication system for status monitoring
DE2621209B1 (de) * 1976-05-13 1977-07-28 Preussag Ag Feuerschutz Meldeeinrichtung,insbesondere zur Brandmeldung
US4162488A (en) * 1977-03-11 1979-07-24 Emergency Products Corporation Alarm system
US4228424A (en) * 1978-10-16 1980-10-14 Baker Protective Services, Incorporated Central station alarm
US4249166A (en) * 1978-10-25 1981-02-03 Honeywell Inc. Line supervision
JPS5938897A (ja) * 1982-08-27 1984-03-02 ニツタン株式会社 異常監視装置
JPS60117939A (ja) * 1983-11-30 1985-06-25 Matsushita Electric Works Ltd 情報伝送方式
US4622538A (en) * 1984-07-18 1986-11-11 Otis Elevator Company Remote monitoring system state machine and method
US4568909A (en) * 1983-12-19 1986-02-04 United Technologies Corporation Remote elevator monitoring system
EP0156474A1 (en) * 1984-02-24 1985-10-02 Tann-Synchronome Limited Vigilant fire alarm system
JPS61170899A (ja) * 1985-01-25 1986-08-01 ニツタン株式会社 防災設備の集中監視方式
WO1987003405A1 (en) * 1985-11-26 1987-06-04 Sensor Scan, Inc. Communications technique for a supervisory control system
US4901316A (en) * 1986-05-27 1990-02-13 Nohmi Bosai Kogyo Co., Ltd. Disaster prevention monitoring and control facility
GB8616276D0 (en) * 1986-07-03 1986-08-13 Racal Chubb Ltd Data acquisition system

Also Published As

Publication number Publication date
US5017905A (en) 1991-05-21
AU2637888A (en) 1989-06-01
FI885531A (sv) 1989-05-31
DE3853267D1 (de) 1995-04-13
NO885320D0 (no) 1988-11-29
EP0319266A3 (en) 1991-01-30
EP0319266A2 (en) 1989-06-07
FI885531A0 (sv) 1988-11-29
AU624097B2 (en) 1992-06-04
EP0319266B1 (en) 1995-03-08
NO885320L (no) 1989-05-31
DE3853267T2 (de) 1995-08-10
ATE119704T1 (de) 1995-03-15
FI94085C (sv) 1995-07-10

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Legal Events

Date Code Title Description
BB Publication of examined application
FG Patent granted

Owner name: HOCHIKI CORPORATION

MA Patent expired