BE748026A - ALARM DEVICE - Google Patents

ALARM DEVICE

Info

Publication number: BE748026A
Authority: BE; Belgium
Prior art keywords: alarm device; alarm
Prior art date: 1969-04-02

Application number

Other languages

French (fr)

Inventor

De F T Thompson

Original Assignee

Westinghouse Electric Corp

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.)

1969-04-02

Filing date

1970-03-26

Publication date

1970-08-31

1970-03-26Application filed by Westinghouse Electric CorpfiledCriticalWestinghouse Electric Corp

1970-08-31Publication of BE748026ApublicationCriticalpatent/BE748026A/en

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
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/10—Monitoring of the annunciator 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)
Alarm Systems (AREA)
Fire Alarms (AREA)

BE748026D1969-04-021970-03-26 ALARM DEVICEBE748026A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US81262169A	1969-04-02	1969-04-02

Publications (1)

Publication Number	Publication Date
BE748026Atrue BE748026A (en)	1970-08-31

Family

ID=25210146

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE748026DBE748026A (en)	1969-04-02	1970-03-26	ALARM DEVICE

Country Status (4)

Country	Link
US (1)	US3641570A (en)
BE (1)	BE748026A (en)
FR (1)	FR2038166B1 (en)
GB (1)	GB1253499A (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3924254A (en)*	1972-10-06	1975-12-02	Franklin R Klebold	Anti-intrusion alarm system
US3978475A (en)*	1975-05-29	1976-08-31	Westinghouse Electric Corporation	Trouble indicator circuit for a security system
US3978479A (en)*	1975-05-29	1976-08-31	Westinghouse Electric Corporation	Solid state security system
US3990075A (en)*	1975-05-29	1976-11-02	Westinghouse Electric Corporation	Solid state security system
US4064507A (en)*	1975-05-29	1977-12-20	Westinghouse Electric Corporation	Noise generator circuit for a security system
US3978478A (en)*	1975-05-29	1976-08-31	Westinghouse Electric Corporation	Reset circuit for a security system
US3978477A (en)*	1975-05-29	1976-08-31	Westinghouse Electric Corporation	Automatic test sequence circuit for a security system
US4051467A (en)*	1976-02-05	1977-09-27	American District Telegraph Company	Fluid flow detector for a fire alarm system
US4312035A (en)*	1979-06-18	1982-01-19	Greene Richard E	Apparatus for controlling electrical power in a data processing system
GB2127605B (en)*	1982-09-07	1986-09-24	Vickers Shipbuilding & Eng	Portable hazard warning apparatus
DE3235120A1 (en)*	1982-09-22	1984-03-22	Siemens AG, 1000 Berlin und 8000 München	MULTIPROCESSOR SYSTEM FOR HAZARD ALARM SYSTEMS
JPS59153109A (en)*	1983-02-22	1984-09-01	Mitsutoyo Mfg Co Ltd	Erroneous-operation monitoring device for changed-amount measuring apparatus
US4651020A (en)*	1985-09-10	1987-03-17	Westinghouse Electric Corp.	Redundant power supply system
JPS6378298A (en)*	1986-09-22	1988-04-08	シャープ株式会社	Equipment abnormality alarm device
GB2213333B (en)*	1987-12-02	1992-02-26	Morris Maram	Detector units
US5103214A (en)*	1990-09-07	1992-04-07	Minnesota Mining And Manufacturing Company	Auxiliary alarm
AUPM744794A0 (en)*	1994-08-15	1994-09-08	Garrick, Gilbert Alain Lindsay	Smoke alarm system with standby battery and elv reactive primary power supply
US5652566A (en)*	1995-12-15	1997-07-29	Aequitron Medical, Inc.	Alarm system
US5894413A (en)*	1997-01-28	1999-04-13	Sony Corporation	Redundant power supply switchover circuit
RU2146838C1 (en)*	1998-04-15	2000-03-20	Товарищество с ограниченной ответственностью Научно-производственный центр "Экспресс"	Device for repeated starting to test operations of output gates
US6011465A (en)*	1998-06-26	2000-01-04	Wang; Randall	Backup arrangement for alarm system
US20020140543A1 (en)*	2001-04-02	2002-10-03	Chia-Cheng Chang	Keyless remote control security system
DE102005013418A1 (en)*	2005-03-23	2006-09-28	B. Braun Medizintechnologie Gmbh	Blood treatment device with alarm device
US7333010B2 (en)*	2005-03-25	2008-02-19	Simplexgrinnell Lp	Method and apparatus for verifying operation of notification appliances during low input voltage condition
US8063763B2 (en)	2008-11-25	2011-11-22	Simplexgrinnell Lp	System for testing NAC operability using reduced operating voltage
US9607494B2 (en)	2012-04-27	2017-03-28	Gentex Corporation	Supervised interconnect smoke alarm system and method of using same
JP6247086B2 (en)*	2013-12-17	2017-12-13	ホーチキ株式会社	Fire alarm system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2736012A (en)*		1956-02-21		Electric fire alarm system
US2077145A (en)*	1934-09-22	1937-04-13	Kidde & Co Walter	Supervised electric system
US2594771A (en)*	1950-05-03	1952-04-29	J H Scharff Inc	Supervised alarm system
US2695994A (en)*	1952-06-25	1954-11-30	Gen Sonics Corp	Supervised signaling system
US2944251A (en)*	1956-01-13	1960-07-05	Notifier Corp	Fire alarm system
US3060416A (en)*	1960-03-18	1962-10-23	Honeywell Regulator Co	Supervised signal system
US3099825A (en)*	1960-09-30	1963-07-30	Harriman Cy	Control units for fire protective signaling systems
US3176283A (en)*	1962-02-15	1965-03-30	Honeywell Inc	Supervised annunciator
US3267288A (en)*	1964-10-20	1966-08-16	Newmark Products Inc	System for floating a battery on a load line
US3448447A (en)*	1965-06-28	1969-06-03	Notifier Co	Polarized d.c. signaling system and means for supervising same
US3500394A (en)*	1966-12-23	1970-03-10	Honeywell Inc	Control apparatus
US3478352A (en)*	1967-03-10	1969-11-11	Honeywell Inc	Alarm apparatus

1969
- 1969-04-02USUS3641570Dpatent/US3641570A/ennot_activeExpired - Lifetime
1970
- 1970-03-11GBGB1165970Apatent/GB1253499A/ennot_activeExpired
- 1970-03-26BEBE748026Dpatent/BE748026A/enunknown
- 1970-04-01FRFR7011742Apatent/FR2038166B1/frnot_activeExpired

Also Published As

Publication number	Publication date
US3641570A (en)	1972-02-08
FR2038166A1 (en)	1971-01-08
FR2038166B1 (en)	1976-02-06
GB1253499A (en)	1971-11-17

Publication	Publication Date	Title
BE748026A (en)	1970-08-31	ALARM DEVICE
BE794184A (en)	1973-07-18	ALARM DEVICE
BE757682A (en)	1971-04-01	RHEOPLETHYSMOGRAPHY DEVICE
BE773418A (en)	1972-01-31	OBJECT SUPPORT DEVICE
BE746729A (en)	1970-08-17	WATERING DEVICE
BE748883A (en)	1970-09-16	PHOSPHORESCENT DISPLAY DEVICE
CH514342A (en)	1971-10-31	Fall protection device
BE754223A (en)	1970-12-31	ELECTROLUMINESCENT DISPLAY DEVICE
CH486746A (en)	1970-02-28	Alarm device
BE757619A (en)	1971-04-01	SERIAL PRINTING DEVICE
CH516117A (en)	1971-11-30	Hydraulic coupling device
BE759338A (en)	1971-04-30	LUMINESCENT DISPLAY DEVICE
BE756368A (en)	1971-03-18	COUPLING DEVICE
CH520508A (en)	1972-03-31	Inhalation device
BE800873A (en)	1973-10-01	INTRUSION DETECTOR DEVICE
BE757784R (en)	1971-04-01	IMPROVED FORMING DEVICE
BE754348A (en)	1971-01-18	AGGLOMERATION SYSTEM
BE747616A (en)	1970-08-31	IGNITION DEVICE
BE746479A (en)	1970-08-25	TRANSDUCER DEVICE
BE752451A (en)	1970-12-01	DISPLAY DEVICE
BE812115A (en)	1974-07-01	ALARM DEVICE
CH514807A (en)	1971-10-31	Profile assembly device
FR2059059A5 (en)	1971-05-28	INJECTION DEVICE
FR1502108A (en)	1967-11-18	Alarm triggering device
CH410692A (en)	1966-03-31	Alarm device

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