ZA785255B - Alarm system - Google Patents

Alarm system

Info

Publication number
ZA785255B
ZA785255B ZA00785255A ZA785255A ZA785255B ZA 785255 B ZA785255 B ZA 785255B ZA 00785255 A ZA00785255 A ZA 00785255A ZA 785255 A ZA785255 A ZA 785255A ZA 785255 B ZA785255 B ZA 785255B
Authority
ZA
South Africa
Prior art keywords
alarm system
alarm
Prior art date
Application number
ZA00785255A
Other languages
English (en)
Inventor
N Walt
B Bout
Original Assignee
Anglo Amer Corp South Africa
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 Anglo Amer Corp South Africa filed Critical Anglo Amer Corp South Africa
Priority to ZA00785255A priority Critical patent/ZA785255B/xx
Priority to DK386079A priority patent/DK386079A/da
Priority to BR7905903A priority patent/BR7905903A/pt
Priority to AU50860/79A priority patent/AU535230B2/en
Priority to EP79301895A priority patent/EP0009901A1/en
Priority to JP11918479A priority patent/JPS5597690A/ja
Publication of ZA785255B publication Critical patent/ZA785255B/xx
Priority to US06/259,164 priority patent/US4459583A/en
Priority to JP1985165590U priority patent/JPS6181392U/ja

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Fire Alarms (AREA)
ZA00785255A 1978-09-15 1978-09-15 Alarm system ZA785255B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ZA00785255A ZA785255B (en) 1978-09-15 1978-09-15 Alarm system
DK386079A DK386079A (da) 1978-09-15 1979-09-14 Alarmanlaeg
BR7905903A BR7905903A (pt) 1978-09-15 1979-09-14 Sistema de alarme e processo para processar um sinal de saida analogico
AU50860/79A AU535230B2 (en) 1978-09-15 1979-09-14 Alarm system
EP79301895A EP0009901A1 (en) 1978-09-15 1979-09-14 Alarm system
JP11918479A JPS5597690A (en) 1978-09-15 1979-09-17 Alarm device and method of processing analog output signal from sensor
US06/259,164 US4459583A (en) 1978-09-15 1981-04-30 Alarm system
JP1985165590U JPS6181392U (xx) 1978-09-15 1985-10-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00785255A ZA785255B (en) 1978-09-15 1978-09-15 Alarm system

Publications (1)

Publication Number Publication Date
ZA785255B true ZA785255B (en) 1979-12-27

Family

ID=25573422

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00785255A ZA785255B (en) 1978-09-15 1978-09-15 Alarm system

Country Status (7)

Country Link
US (1) US4459583A (xx)
EP (1) EP0009901A1 (xx)
JP (2) JPS5597690A (xx)
AU (1) AU535230B2 (xx)
BR (1) BR7905903A (xx)
DK (1) DK386079A (xx)
ZA (1) ZA785255B (xx)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58214996A (ja) * 1982-06-09 1983-12-14 ニツタン株式会社 火災感知器
JPS5927395A (ja) * 1982-08-05 1984-02-13 ニツタン株式会社 警報装置
JPS6011995A (ja) * 1983-07-01 1985-01-22 ホーチキ株式会社 火災報知装置
DE3463582D1 (en) * 1983-03-04 1987-06-11 Cerberus Ag Circuit arrangement for the interference level control of detectors, arranged in a danger detection device
JPS59172093A (ja) * 1983-03-21 1984-09-28 高橋　信夫 火災などの異常警報装置
US4543567A (en) * 1983-04-14 1985-09-24 Tokyo Shibaura Denki Kabushiki Kaisha Method for controlling output of alarm information
JPS60100296A (ja) * 1983-07-25 1985-06-04 ホーチキ株式会社 火災報知装置
JPS60134999A (ja) * 1983-12-23 1985-07-18 ホーチキ株式会社 火災報知装置
JPS60135000A (ja) * 1983-12-23 1985-07-18 ホーチキ株式会社 火災報知装置
JPH0632138B2 (ja) * 1984-01-27 1994-04-27 ホーチキ株式会社 火災報知装置
JPS6139194A (ja) * 1984-07-31 1986-02-25 ホーチキ株式会社 火災警報装置
JPS6156666A (ja) * 1984-08-24 1986-03-22 ホーチキ株式会社 火災警報装置
JPS61237195A (ja) * 1985-04-12 1986-10-22 ホーチキ株式会社 火災報知装置
JPS61237197A (ja) * 1985-04-12 1986-10-22 ホーチキ株式会社 火災警報装置
JPS6219999A (ja) * 1985-07-18 1987-01-28 ホーチキ株式会社 火災報知装置
US4655041A (en) * 1986-01-21 1987-04-07 Dresser Industries, Inc. Rate of change of pressure temperature protection system for a turbine
CH669859A5 (xx) * 1986-06-03 1989-04-14 Cerberus Ag
US4860351A (en) * 1986-11-05 1989-08-22 Ibm Corporation Tamper-resistant packaging for protection of information stored in electronic circuitry
US5117457A (en) * 1986-11-05 1992-05-26 International Business Machines Corp. Tamper resistant packaging for information protection in electronic circuitry
US4881060A (en) * 1988-11-16 1989-11-14 Honeywell Inc. Fire alarm system
DE3905514A1 (de) * 1989-02-23 1990-08-30 Oliver Burt Signalgeberanlage, insbesondere alarmanlage zum erfassen von belastungsaenderungen auf gelaende- bzw. an gebaeudeteilen
US5017906A (en) * 1989-10-06 1991-05-21 Aritech Corporation Apparatus and method for combining analog detection signals to provide enhanced alarm integrity
JPH03262658A (ja) * 1990-03-14 1991-11-22 Tokyo Electric Co Ltd 電子写真装置
CH681932A5 (xx) * 1990-12-04 1993-06-15 Cerberus Ag
FI916182A (fi) * 1991-01-18 1992-07-19 Hochiki Co Kombinerad metod foer faststaellande av brand.
DE59208736D1 (de) * 1991-02-26 1997-09-04 Siemens Ag Verfahren zur Vorausbestimmung des Wartungszeitpunktes von Gefahrenmeldern
GB9110598D0 (en) * 1991-05-16 1991-07-03 Renishaw Transducer Syst Setting up of quadrature signals
US5172096A (en) * 1991-08-07 1992-12-15 Pittway Corporation Threshold determination apparatus and method
US6501810B1 (en) 1998-10-13 2002-12-31 Agere Systems Inc. Fast frame synchronization
US5546074A (en) * 1993-08-19 1996-08-13 Sentrol, Inc. Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy
CH686915A5 (de) * 1993-11-23 1996-07-31 Cerberus Ag Verfahren zur Vermeidung von Fehlalarmen in einem Brandmeldesystem, und Brandmeldesystem zur Durchfuehrung des Verfahrens.
US5561610A (en) * 1994-06-30 1996-10-01 Caterpillar Inc. Method and apparatus for indicating a fault condition
US7470103B2 (en) * 2006-02-24 2008-12-30 General Electric Company Method for determining limit exceedance
JP6472028B2 (ja) * 2015-09-16 2019-02-20 クロイ電機株式会社 避難誘導システム
DE102017200826A1 (de) 2017-01-19 2018-07-19 Conti Temic Microelectronic Gmbh Verfahren zum Betreiben einer Überwachungsvorrichtung eines Datennetzwerks eines Kraftfahrzeugs sowie Überwachungsvorrichtung, Steuergerät und Kraftfahrzeug

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467956A (en) * 1963-10-22 1969-09-16 Bendix Corp Crossvoter monitor system
US3559198A (en) * 1966-04-25 1971-01-26 Bendix Corp Frequency responsive monitor for a redundant control system
US3946374A (en) * 1970-08-13 1976-03-23 Sci Systems, Inc. Rate-of-change combustion and contamination detection device
US3798625A (en) * 1970-08-13 1974-03-19 Sci Systems Inc Rate-of-change combustion and combination detection apparatus
US3801972A (en) * 1971-06-23 1974-04-02 Ambac Ind Gas analyzer circuitry
US3836854A (en) * 1973-07-02 1974-09-17 Lorain Prod Corp Alarm circuit for monitoring the amplitude of a-c voltages
DE2341087C3 (de) * 1973-08-14 1979-09-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Automatische Brandmeldeanlage
US3919703A (en) * 1974-04-08 1975-11-11 Bertea Corp Fault detection system for transducers
JPS50142057A (xx) * 1974-05-01 1975-11-15
JPS5223560A (en) * 1975-08-14 1977-02-22 Shiyuraubenkonbinaato Veb Method of manufacturing high strencth cold formed parts
US4007456A (en) * 1975-12-01 1977-02-08 Craftor Inc. Gas detecting and warning system
AT356217B (de) * 1976-08-19 1980-04-10 Siemens Ag Schaltungsanordnung zur ueberwachung einer wechselspannung
JPS53144387A (en) * 1977-05-23 1978-12-15 Hochiki Co Depreciation type detector
US4110687A (en) * 1977-08-24 1978-08-29 Sneed Jr James W Dual threshold logic probe
ZA782493B (en) * 1978-05-01 1979-12-27 Anglo Amer Corp South Africa Rate of change detection

Also Published As

Publication number Publication date
AU535230B2 (en) 1984-03-08
BR7905903A (pt) 1980-05-27
US4459583A (en) 1984-07-10
EP0009901A1 (en) 1980-04-16
AU5086079A (en) 1980-03-20
JPS6181392U (xx) 1986-05-30
JPS5597690A (en) 1980-07-25
DK386079A (da) 1980-03-16

Similar Documents

Publication Publication Date Title
GB2012092B (en) Alarm system
ZA785255B (en) Alarm system
GB2039400B (en) Central station alarm system
GB2031627B (en) Security system
GB2032666B (en) Multi-zone alarm system
JPS54130897A (en) Simple alarm
AU4372579A (en) Alarm system
JPS5525700A (en) Antiiskid system
GB2031204B (en) Audiodetector alarm
DE2965341D1 (en) Wire-guidance system
JPS55105797A (en) Security system
GB2024914B (en) Electroniclocking system
GB2030336B (en) Emergnecy alarm systems
DE2966121D1 (en) Security system
GB2027242B (en) Alarm systems
GB2019072B (en) Alarm systems
ZA791791B (en) Ligthing system
GB2034136B (en) Fuse alarm system
JPS5544638A (en) Alarm
JPS5572296A (en) Alarm
JPS5556296A (en) Alarm unit
JPS5638690A (en) Alarm system
JPS54116900A (en) Alarm control system
JPS5559597A (en) Alarm
YU1778A (en) Alarm system