CA988224A - Fire alarm system with remote central station - Google Patents

Fire alarm system with remote central station

Info

Publication number: CA988224A
Authority: CA; Canada
Prior art keywords: alarm system; fire alarm; central station; remote central; remote
Prior art date: 1972-07-17
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

CA176,282A

Other versions

CA176282S (en

Inventor

Otto Meier

Andreas Scheidweiler

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Cerberus AG

Original Assignee

Cerberus 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.)

1972-07-17

Filing date

1973-07-12

Publication date

1976-04-27

1973-07-12 Application filed by Cerberus AG filed Critical Cerberus AG

1976-04-27 Application granted granted Critical

1976-04-27 Publication of CA988224A publication Critical patent/CA988224A/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas

Landscapes

Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Business, Economics & Management (AREA)
Emergency Management (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Fire Alarms (AREA)
Alarm Systems (AREA)
Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Fire-Detection Mechanisms (AREA)

CA176,282A 1972-07-17 1973-07-12 Fire alarm system with remote central station Expired CA988224A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1065472		1972-07-17

Publications (1)

Publication Number	Publication Date
CA988224A true CA988224A (en)	1976-04-27

Family

ID=4365437

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA176,282A Expired CA988224A (en)	1972-07-17	1973-07-12	Fire alarm system with remote central station

Country Status (13)

Country	Link
US (1)	US3821734A (en)
JP (1)	JPS5617704B2 (en)
AU (1)	AU474604B2 (en)
CA (1)	CA988224A (en)
CH (1)	CH547531A (en)
DE (1)	DE2328881C3 (en)
FI (1)	FI56908C (en)
FR (1)	FR2193225B1 (en)
GB (1)	GB1401146A (en)
HK (1)	HK55880A (en)
NO (1)	NO137619C (en)
SE (1)	SE390076B (en)
ZA (1)	ZA734855B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2707409C2 (en) *	1977-02-21	1985-02-21	Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf	Ionization fire detector
US4191946A (en) *	1977-10-20	1980-03-04	Gonzalez Raymond J	Warning apparatus with a line integrity supervisory circuit
JPS5831038B2 (en) *	1977-12-26	1983-07-02	能美防災工業株式会社	fire detector
DE2811891A1 (en) *	1978-03-18	1979-09-27	Merk Gmbh Telefonbau Fried	Monitoring circuit for signalling lines - uses line which is fed with low or high current, insufficient or sufficient for blinking signals, to respond to ionisation detectors
US4207558A (en) *	1978-04-03	1980-06-10	Pittway Corporation	Interconnection circuit for a plurality of alarm units
USRE30620E (en) *	1978-07-03	1981-05-19	P. R. Mallory & Co. Inc.	High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
AU5026479A (en) *	1978-08-26	1980-03-06	Hochiki Corp.	Fire sensing system
US4414539A (en) *	1978-12-22	1983-11-08	The Boeing Company	Built-in passive fault detection circuitry for an aircraft's electrical/electronic systems
US4287515A (en) *	1979-04-27	1981-09-01	Baker Industries, Inc.	Fire detection system with multiple output signals
US4573040A (en) *	1979-11-30	1986-02-25	Drexelbrook Engineering Company	Fail-safe instrument system
US5015958A (en)	1983-06-30	1991-05-14	Raychem Corporation	Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors
US5382909A (en)	1983-06-30	1995-01-17	Raychem Corporation	Method for detecting and obtaining information about changes in variables
IL72246A (en) *	1983-06-30	1989-09-28	Raychem Corp	Method and apparatus for detecting and obtaining information about changes in variables
JPS6174187U (en) *	1984-10-16	1986-05-20
AU601369B2 (en)	1985-06-12	1990-09-13	Raychem Corporation	Hydrocarbon sensor
US5898369A (en) *	1996-01-18	1999-04-27	Godwin; Paul K.	Communicating hazardous condition detector
AT501215B1 (en) *	2004-12-20	2008-05-15	Friedl Helmut Dipl Ing	MONITORING DEVICE
DE102005038602B4 (en) *	2005-08-16	2019-05-09	Robert Bosch Gmbh	safety device
JP6175235B2 (en) *	2012-12-25	2017-08-02	能美防災株式会社	Fire alarm equipment and fire detector and termination device used therefor
RU2717355C1 (en) *	2019-07-24	2020-03-23	Общество С Ограниченной Ответственностью "Форносовское Научно-Производственное Предприятие "Гефест"	Switching device of actuating elements of fire automatics
CN116087726B (en) *	2023-04-11	2023-06-27	国网四川省电力公司电力科学研究院	Device and method for measuring critical breakdown distance of flame channel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3550120A (en) *	1968-12-09	1970-12-22	Honeywell Inc	Control apparatus

1972
- 1972-07-17 CH CH1065472A patent/CH547531A/en not_active IP Right Cessation
1973
- 1973-06-06 DE DE2328881A patent/DE2328881C3/en not_active Expired
- 1973-06-15 FI FI1942/73A patent/FI56908C/en active
- 1973-06-27 FR FR7323460A patent/FR2193225B1/fr not_active Expired
- 1973-06-28 US US00374795A patent/US3821734A/en not_active Expired - Lifetime
- 1973-07-11 AU AU58325/73A patent/AU474604B2/en not_active Expired
- 1973-07-12 CA CA176,282A patent/CA988224A/en not_active Expired
- 1973-07-16 NO NO2886/73A patent/NO137619C/en unknown
- 1973-07-16 SE SE7309919A patent/SE390076B/en unknown
- 1973-07-17 GB GB3409473A patent/GB1401146A/en not_active Expired
- 1973-07-17 JP JP8001373A patent/JPS5617704B2/ja not_active Expired
- 1973-07-17 ZA ZA734855A patent/ZA734855B/en unknown
1980
- 1980-10-02 HK HK558/80A patent/HK55880A/en unknown

Also Published As

Publication number	Publication date
DE2328881C3 (en)	1982-03-18
HK55880A (en)	1980-10-10
AU5798773A (en)	1975-01-16
DE2328881A1 (en)	1974-01-31
JPS4970596A (en)	1974-07-08
FI56908B (en)	1979-12-31
FI56908C (en)	1980-04-10
AU474604B2 (en)	1976-07-29
JPS5617704B2 (en)	1981-04-23
US3821734A (en)	1974-06-28
ZA734855B (en)	1974-07-31
GB1401146A (en)	1975-07-16
CH547531A (en)	1974-03-29
FR2193225B1 (en)	1979-01-26
NO137619C (en)	1978-03-29
DE2328881B2 (en)	1981-02-05
SE390076B (en)	1976-11-29
FR2193225A1 (en)	1974-02-15
NO137619B (en)	1977-12-12

Publication	Publication Date	Title
CA988224A (en)	1976-04-27	Fire alarm system with remote central station
AU465213B2 (en)	1975-09-18	Fire alarm signalling system
AU474603B2 (en)	1976-07-29	Fire alarm system with remote central station
CA998450A (en)	1976-10-12	Remote monitoring and remote control systems
CA984027A (en)	1976-02-17	Flame monitoring system
CA1022607A (en)	1977-12-13	Remote transformer monitoring system
CA975462A (en)	1975-09-30	Alarm sending and receiving system
CA1010969A (en)	1977-05-24	Fire alarms
AU476368B2 (en)	1976-09-16	Fire alarms
CA952209A (en)	1974-07-30	Fire alarm system
CA958772A (en)	1974-12-03	Receiver alarm system
KR780000485B1 (en)	1978-10-24	Fire alarm system with remote central station
CA902272A (en)	1972-06-06	Ionization fire alarm
CA951219A (en)	1974-07-16	Fire extinguishing system
AU476955B2 (en)	1975-05-15	Alarm systems
AU428699B2 (en)	1972-10-19	Fire alarm system
AU432278B2 (en)	1972-09-21	Fire alarm system
AU426998B2 (en)	1972-08-31	Fire alarm system
CA901125A (en)	1972-05-23	Alarm system
CA896752A (en)	1972-03-28	Alarm system
CA1015429A (en)	1977-08-09	Flame monitoring system
AU458213B2 (en)	1975-01-29	Receiver alarm system
AU2766571A (en)	1972-08-31	Fire alarm system
AU3208271A (en)	1972-10-19	Fire alarm system
AU2657971A (en)	1972-09-21	Fire alarm system