NL7409941A - AUTOMATIC FIRE ALERT SYSTEM. - Google Patents

AUTOMATIC FIRE ALERT SYSTEM.

Info

Publication number: NL7409941A
Authority: NL; Netherlands
Prior art keywords: automatic fire; alert system; fire alert; automatic; fire
Prior art date: 1973-08-14

Application number

NL7409941A

Other languages

Dutch (nl)

Other versions

NL182757C (en

Original Assignee

Siemens Ag

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.)

1973-08-14

Filing date

1974-07-23

Publication date

1975-02-18

1974-07-23 Application filed by Siemens Ag filed Critical Siemens Ag

1975-02-18 Publication of NL7409941A publication Critical patent/NL7409941A/en

1988-05-02 Application granted granted Critical

1988-05-02 Publication of NL182757C publication Critical patent/NL182757C/en

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
- G08B26/006—Alarm systems in which substations are interrogated in succession by a central station with substations connected to an individual line, e.g. star configuration

Landscapes

Business, Economics & Management (AREA)
Emergency Management (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Alarm Systems (AREA)
Fire Alarms (AREA)

NL7409941A 1973-08-14 1974-07-23 DEVICE FOR DETECTING A FIRE. NL182757C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732341087 DE2341087C3 (en)	1973-08-14	1973-08-14	Automatic fire alarm system

Publications (2)

Publication Number	Publication Date
NL7409941A true NL7409941A (en)	1975-02-18
NL182757C NL182757C (en)	1988-05-02

Family

ID=5889723

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7409941A NL182757C (en)	1973-08-14	1974-07-23	DEVICE FOR DETECTING A FIRE.

Country Status (6)

Country	Link
JP (1)	JPS5715437B2 (en)
AT (1)	AT344547B (en)
CH (1)	CH575629A5 (en)
DE (1)	DE2341087C3 (en)
NL (1)	NL182757C (en)
SE (1)	SE401574B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2533330C3 (en) *	1975-07-25	1981-08-13	Siemens AG, 1000 Berlin und 8000 München	Method and device for the transmission of measured values in a fire alarm system
DE2655271C2 (en) *	1976-12-07	1986-02-27	Bieler u. Lang oHG, Automation Steuer-Regeltechnik, 7590 Achern	Device for measuring the gas concentration in several rooms
DE2817121C2 (en) *	1978-04-19	1985-10-10	Siemens AG, 1000 Berlin und 8000 München	Alarm system
DE2817090B2 (en) *	1978-04-19	1980-10-30	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Alarm system
DE2817053C2 (en) *	1978-04-19	1985-11-21	Siemens AG, 1000 Berlin und 8000 München	Alarm system
DE2817089B2 (en) *	1978-04-19	1980-12-18	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Alarm system
ZA785255B (en) *	1978-09-15	1979-12-27	Anglo Amer Corp South Africa	Alarm system
DE2903266C2 (en) *	1979-01-29	1985-08-08	Siemens AG, 1000 Berlin und 8000 München	Alarm system
JPS56132690A (en) *	1980-03-19	1981-10-17	Hochiki Co	Fire detector
JPS6012238Y2 (en) *	1980-12-10	1985-04-20	松下電工株式会社	Transmitted light smoke detector
DE3107830A1 (en) *	1981-02-25	1982-09-09	Auergesellschaft Gmbh, 1000 Berlin	METHOD AND ARRANGEMENT FOR MAINTAINING THE ALARM OF A GAS DETECTOR
DE3123451A1 (en) *	1981-06-12	1982-12-30	Siemens AG, 1000 Berlin und 8000 München	METHOD AND ARRANGEMENT FOR DETECTING FAULTS IN DANGEROUS, IN PARTICULAR FIRE DETECTING PLANTS
DE3127324A1 (en) *	1981-07-10	1983-01-27	Siemens AG, 1000 Berlin und 8000 München	METHOD AND ARRANGEMENT FOR INCREASING THE SENSITIVITY AND EMERGENCY SAFETY IN A DANGER, IN PARTICULAR FIRE DETECTING SYSTEM
JPS58127292A (en) *	1982-01-26	1983-07-29	ニツタン株式会社	Fire sensing system
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
JPS59201193A (en) *	1983-04-30	1984-11-14	松下電工株式会社	Fire alarm system
JPS6064428U (en) *	1983-10-12	1985-05-07	クラリオン株式会社	Tape player with tape discrimination function
DE3337330A1 (en) *	1983-10-13	1985-04-25	Siemens AG, 1000 Berlin und 8000 München	METHOD AND ARRANGEMENT FOR ANALOGUE TRANSFER OF MEASURED VALUES OF THE RESPECTIVE FIRE CHARACTERISTICS OF A MULTI-CRITERIA FIRE DETECTOR
JPS6115300A (en) *	1984-06-29	1986-01-23	ホーチキ株式会社	Fire alarm
JPS6149297A (en) *	1984-08-17	1986-03-11	ホーチキ株式会社	Fire alarm
JPH0719315B2 (en) *	1985-04-09	1995-03-06	ホーチキ株式会社	Fire alarm
JPS61237197A (en) *	1985-04-12	1986-10-22	ホーチキ株式会社	Fire alarm
EP0205930B1 (en) *	1985-05-24	1991-02-06	Siemens Aktiengesellschaft	Burglary detection system
JPS6219999A (en) *	1985-07-18	1987-01-28	ホーチキ株式会社	Fire alarm
DE4023412A1 (en) *	1990-07-23	1992-02-13	Hirschmann Richard Gmbh Co	Inductive coupling for electrical energy of signals - uses bandpass filter with periodic short-circuiting of secondary oscillation circuit
JP3274929B2 (en) *	1994-03-30	2002-04-15	能美防災株式会社	Initial fire detection device

1973
- 1973-08-14 DE DE19732341087 patent/DE2341087C3/en not_active Expired
1974
- 1974-07-05 AT AT553874A patent/AT344547B/en not_active IP Right Cessation
- 1974-07-19 CH CH996074A patent/CH575629A5/xx not_active IP Right Cessation
- 1974-07-23 NL NL7409941A patent/NL182757C/en not_active IP Right Cessation
- 1974-08-13 SE SE7410312A patent/SE401574B/en not_active IP Right Cessation
- 1974-08-14 JP JP9318974A patent/JPS5715437B2/ja not_active Expired

Also Published As

Publication number	Publication date
SE401574B (en)	1978-05-16
JPS5715437B2 (en)	1982-03-30
CH575629A5 (en)	1976-05-14
ATA553874A (en)	1977-11-15
DE2341087B2 (en)	1979-02-08
SE7410312L (en)	1975-02-17
AT344547B (en)	1978-07-25
NL182757C (en)	1988-05-02
JPS5051299A (en)	1975-05-08
DE2341087C3 (en)	1979-09-27
DE2341087A1 (en)	1975-02-27

Publication	Publication Date	Title
NL7409941A (en)	1975-02-18	AUTOMATIC FIRE ALERT SYSTEM.
NL7409711A (en)	1975-01-21	FIRE EXTINGUISHING SYSTEM.
NL7507238A (en)	1976-12-21	SIGNALING SYSTEM.
NL7413873A (en)	1975-04-25	LOCATION SYSTEM.
NL166533C (en)	1981-08-17	FLAME MONITORING SYSTEM.
DK129069B (en)	1974-08-12	Fire alarm system.
NL165541C (en)	1981-04-15	AUTOMATIC LUBRICATION SYSTEM.
NO137619C (en)	1978-03-29	FIRE REPORTING SYSTEM.
NL177633C (en)	1985-10-16	IONIZATION FIRE ALARM.
DK137099B (en)	1978-01-16	Fire alarm device.
NL7415455A (en)	1975-06-10	FIRE ALARM.
NL7409909A (en)	1975-02-12	IGNITION SYSTEM.
NL7415922A (en)	1975-06-10	INDICATION SYSTEM.
NL7412750A (en)	1975-04-02	LEVEL INDICATION SYSTEM.
NO741189L (en)	1974-10-04	Fire alarm device.
NL7416436A (en)	1975-07-01	ELECTROMAGNET SYSTEM.
NL7413230A (en)	1976-04-12	FACSIMIL SYSTEM.
NL7312548A (en)	1975-03-14	MULTIFREQUENT SIGNALING SYSTEM.
DK143724C (en)	1982-03-15	ALARM SYSTEM
NL154386B (en)	1977-08-15	SIGNALING SYSTEM.
NL7408855A (en)	1975-01-06	WALL SYSTEM.
CH556072A (en)	1974-11-15	IONIZATION ALARM.
NL7411400A (en)	1975-03-11	AUTOMATIC FIRE PROTECTION SYSTEM.
NL7411872A (en)	1975-05-20	PHOTOGRAPHIC SYSTEM.
SE390353B (en)	1976-12-13	FIRE ALARM SYSTEM

Legal Events

Date	Code	Title
1979-12-27	BA	A request for search or an international-type search has been filed
1981-12-01	BB	A search report has been drawn up
1982-02-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1993-03-16	V1	Lapsed because of non-payment of the annual fee