NL6808477A - - Google Patents

Info

Publication number
NL6808477A
NL6808477A NL6808477A NL6808477A NL6808477A NL 6808477 A NL6808477 A NL 6808477A NL 6808477 A NL6808477 A NL 6808477A NL 6808477 A NL6808477 A NL 6808477A NL 6808477 A NL6808477 A NL 6808477A
Authority
NL
Netherlands
Application number
NL6808477A
Other versions
NL165311C (nl
NL165311B (nl
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 filed Critical
Publication of NL6808477A publication Critical patent/NL6808477A/xx
Publication of NL165311B publication Critical patent/NL165311B/xx
Application granted granted Critical
Publication of NL165311C publication Critical patent/NL165311C/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
NL6808477.A 1967-06-26 1968-06-17 Brandmeldingsstelsel. NL165311C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH903167A CH468682A (de) 1967-06-26 1967-06-26 Feuermeldeanlage

Publications (3)

Publication Number Publication Date
NL6808477A true NL6808477A (enrdf_load_stackoverflow) 1968-12-27
NL165311B NL165311B (nl) 1980-10-15
NL165311C NL165311C (nl) 1981-03-16

Family

ID=4347556

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6808477.A NL165311C (nl) 1967-06-26 1968-06-17 Brandmeldingsstelsel.

Country Status (8)

Country Link
US (1) US3603949A (enrdf_load_stackoverflow)
AT (1) AT275365B (enrdf_load_stackoverflow)
CH (1) CH468682A (enrdf_load_stackoverflow)
DE (1) DE1766440C3 (enrdf_load_stackoverflow)
FR (1) FR1569514A (enrdf_load_stackoverflow)
GB (1) GB1228931A (enrdf_load_stackoverflow)
NL (1) NL165311C (enrdf_load_stackoverflow)
SE (1) SE328225B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107045762A (zh) * 2017-04-14 2017-08-15 重庆和航科技股份有限公司 电气火灾远程监测动态预警方法及系统

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702468A (en) * 1970-08-10 1972-11-07 Nittan Co Ltd Fire alarming system
SE402660B (sv) * 1970-11-12 1978-07-10 Securitas Int Ab Brandalarmanleggning
US3748389A (en) * 1971-12-13 1973-07-24 Bell Telephone Labor Inc Alarm detection system
US3811126A (en) * 1972-06-07 1974-05-14 Smelting Refining And Mining C Alarm system
US4023152A (en) * 1973-10-01 1977-05-10 Matsushita Electric Works, Ltd. Ionization type smoke sensing device
US3997890A (en) * 1974-06-11 1976-12-14 Kendrick Jr Embry Mayes Alarm system with supervisory system to detect severing or bridging of detection switches
DE2454196C3 (de) * 1974-06-14 1985-02-07 Cerberus AG, Männedorf, Zürich Brandmeldeanlage
US3987319A (en) * 1974-12-05 1976-10-19 The United States Of America As Represented By The Secretary Of The Army Radiation-activated sensor
US3978461A (en) * 1975-05-12 1976-08-31 Firetek Corporation Three wire detection circuit
US3991413A (en) * 1975-06-23 1976-11-09 Berger Philip H Constant current detector system
US4097851A (en) * 1976-07-19 1978-06-27 Pittway Corporation Sensitivity compensated fire detector
CH606916A5 (enrdf_load_stackoverflow) * 1976-10-22 1978-11-15 Landis & Gyr Ag
DE2707409C2 (de) * 1977-02-21 1985-02-21 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionisationsbrandmelder
DE2713280C3 (de) * 1977-03-25 1986-10-23 Esser Sicherheitstechnik GmbH & Co KG, 4040 Neuss Funktionsüberprüfbare Feuermelderanlage
DE2939494B2 (de) * 1979-09-28 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für Einbruch- oder Feuermeldea nlagen
US4385287A (en) * 1979-12-07 1983-05-24 Securicor Granley Systems Limited Multiple alarm condition detection and signalling
CH651688A5 (de) * 1980-06-23 1985-09-30 Cerberus Ag Verfahren zur uebertragung von messwerten in einer brandmeldeanlage und einrichtung zur durchfuehrung des verfahrens.
US4481502A (en) * 1982-03-26 1984-11-06 Dawson N Rick Central smoke alarm and annunciator
GB2138570B (en) * 1983-04-19 1987-10-28 Emi Ltd Smoke detector
GB2149167B (en) * 1983-11-04 1987-04-08 Graviner Ltd Electrical circuit arrangements in fire alarms
US4916432A (en) * 1987-10-21 1990-04-10 Pittway Corporation Smoke and fire detection system communication
WO2004034348A1 (fr) * 2002-10-04 2004-04-22 Valery Vasilievich Ovchinnikov Procede de formation et de transmission de signaux
RU2232425C2 (ru) * 2002-10-10 2004-07-10 Овчинников Валерий Васильевич Способ формирования и передачи сигналов
US7365637B2 (en) * 2005-06-17 2008-04-29 Heathco Llc Reversible diode doorbell detection circuit
US7553152B2 (en) * 2005-06-23 2009-06-30 Honeywell International Inc. Flame detector trapezoidal excitation generator output control circuit and method
DE102005038602B4 (de) * 2005-08-16 2019-05-09 Robert Bosch Gmbh Sicherheitseinrichtung
US8446285B2 (en) * 2008-02-08 2013-05-21 Siemens Industry, Inc. Methods and apparatus for controlling and testing a notification appliance circuit
CN106155861A (zh) * 2015-04-22 2016-11-23 鸿富锦精密工业(武汉)有限公司 电子设备报警电路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029420A (en) * 1957-02-25 1962-04-10 Kidde & Co Walter Network for monitoring alarm systems
US3176284A (en) * 1963-09-27 1965-03-30 Specialties Dev Corp System responsive to plural conditions with false indication prevention
US3351934A (en) * 1965-05-19 1967-11-07 Honeywell Inc Supervised alarm system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107045762A (zh) * 2017-04-14 2017-08-15 重庆和航科技股份有限公司 电气火灾远程监测动态预警方法及系统
CN107045762B (zh) * 2017-04-14 2023-08-11 重庆和航科技股份有限公司 电气火灾远程监测动态预警方法及系统

Also Published As

Publication number Publication date
NL165311C (nl) 1981-03-16
GB1228931A (enrdf_load_stackoverflow) 1971-04-21
US3603949A (en) 1971-09-07
SE328225B (enrdf_load_stackoverflow) 1970-09-07
FR1569514A (enrdf_load_stackoverflow) 1969-05-30
DE1766440C3 (de) 1979-03-08
DE1766440A1 (de) 1971-07-15
NL165311B (nl) 1980-10-15
DE1766440B2 (de) 1974-10-03
AT275365B (de) 1969-10-27
CH468682A (de) 1969-02-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee