FR1569514A - - Google Patents

Info

Publication number
FR1569514A
FR1569514A FR1569514DA FR1569514A FR 1569514 A FR1569514 A FR 1569514A FR 1569514D A FR1569514D A FR 1569514DA FR 1569514 A FR1569514 A FR 1569514A
Authority
FR
France
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1569514A publication Critical patent/FR1569514A/fr
Expired legal-status Critical Current

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)
FR1569514D 1967-06-26 1968-06-25 Expired FR1569514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH903167A CH468682A (en) 1967-06-26 1967-06-26 Fire alarm system

Publications (1)

Publication Number Publication Date
FR1569514A true FR1569514A (en) 1969-05-30

Family

ID=4347556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1569514D Expired FR1569514A (en) 1967-06-26 1968-06-25

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368670A1 (en) * 1976-10-22 1978-05-19 Landis & Gyr Ag Burner unit flame monitor with sensor and switching amplifier - has two wire conductor and signal system for controlling switching amplifier

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 (en) * 1970-11-12 1978-07-10 Securitas Int Ab FIREPLACE FACILITY
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 (en) * 1974-06-14 1985-02-07 Cerberus AG, Männedorf, Zürich Fire alarm system
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
DE2707409C2 (en) * 1977-02-21 1985-02-21 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionization fire detector
DE2713280C3 (en) * 1977-03-25 1986-10-23 Esser Sicherheitstechnik GmbH & Co KG, 4040 Neuss Function-testable fire alarm system
DE2939494B2 (en) * 1979-09-28 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for intrusion or fire alarm systems
US4385287A (en) * 1979-12-07 1983-05-24 Securicor Granley Systems Limited Multiple alarm condition detection and signalling
CH651688A5 (en) * 1980-06-23 1985-09-30 Cerberus Ag METHOD FOR TRANSMITTING MEASURED VALUES IN A FIRE DETECTING SYSTEM AND DEVICE FOR IMPLEMENTING THE METHOD.
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
RU2232425C2 (en) * 2002-10-10 2004-07-10 Овчинников Валерий Васильевич Method of signal generation and transmission
CN100593179C (en) * 2002-10-04 2010-03-03 瓦列里·瓦西里耶维奇·奥夫奇尼科夫 Method for forming and transmitting signals
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 (en) * 2005-08-16 2019-05-09 Robert Bosch Gmbh safety device
US8446285B2 (en) * 2008-02-08 2013-05-21 Siemens Industry, Inc. Methods and apparatus for controlling and testing a notification appliance circuit
CN106155861A (en) * 2015-04-22 2016-11-23 鸿富锦精密工业(武汉)有限公司 Electronic equipment warning circuit
CN107045762B (en) * 2017-04-14 2023-08-11 重庆和航科技股份有限公司 Electric fire remote monitoring dynamic early warning method and system

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368670A1 (en) * 1976-10-22 1978-05-19 Landis & Gyr Ag Burner unit flame monitor with sensor and switching amplifier - has two wire conductor and signal system for controlling switching amplifier

Also Published As

Publication number Publication date
DE1766440C3 (en) 1979-03-08
NL165311B (en) 1980-10-15
US3603949A (en) 1971-09-07
AT275365B (en) 1969-10-27
CH468682A (en) 1969-02-15
NL165311C (en) 1981-03-16
NL6808477A (en) 1968-12-27
GB1228931A (en) 1971-04-21
SE328225B (en) 1970-09-07
DE1766440B2 (en) 1974-10-03
DE1766440A1 (en) 1971-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse