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Publication numberUS3825754 B1
Publication typeGrant
Publication dateDec 10, 1985
Filing dateJul 23, 1973
Priority dateJul 23, 1973
Also published asDE2425447A1, DE2425447B2
Publication numberUS 3825754 B1, US 3825754B1, US-B1-3825754, US3825754 B1, US3825754B1
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet

US 3825754 B1
Abstract  available in
Description  available in
Claims  available in
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3936822 *Jun 14, 1974Feb 3, 1976Hirschberg Kenneth AMethod and apparatus for detecting weapon fire
US3992110 *Sep 3, 1974Nov 16, 1976The United States Of America As Represented By The Secretary Of The NavyMulti-spectral optical comparator
US4101767 *May 20, 1977Jul 18, 1978Sensors, Inc.Discriminating fire sensor
US4162052 *Dec 15, 1976Jul 24, 1979Societe Anonyme De TelecommunicationsNight guidance of self-propelled missiles
US4199682 *May 3, 1978Apr 22, 1980Spectronix Ltd.Fire and explosion detection apparatus
US4220857 *Nov 1, 1978Sep 2, 1980Systron-Donner CorporationOptical flame and explosion detection system and method
US4296324 *Nov 2, 1979Oct 20, 1981Santa Barbara Research CenterDual spectrum infrared fire sensor
US4357534 *Jul 7, 1980Nov 2, 1982Graviner LimitedFire and explosion detection
US4373136 *Jul 7, 1980Feb 8, 1983Graviner LimitedFire and explosion detection
US4414542 *May 15, 1981Nov 8, 1983Graviner LimitedTwo channel comparison-type fire or explosion detecting system
US4421984 *Jul 10, 1981Dec 20, 1983Graviner, LimitedFire and explosion detection and suppression
US4455487 *Oct 30, 1981Jun 19, 1984Armtec Industries, Inc.Fire detection system with IR and UV ratio detector
US4469944 *Nov 20, 1981Sep 4, 1984Santa Barbara Research CenterOptical discriminating fire sensor
US4497373 *Aug 3, 1982Feb 5, 1985Graviner LimitedFire and explosion detection and suppression
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US4647776 *Jun 3, 1986Mar 3, 1987Santa Barbara Research CenterDiscriminating fire sensor with thermal override capability
US4719973 *Nov 25, 1986Jan 19, 1988Graviner LimitedFire and explosion detection and suppression
US4783592 *Nov 2, 1987Nov 8, 1988Santa Barbara Research CenterReal time adaptive round discrimination fire sensor
US5122628 *May 25, 1990Jun 16, 1992Fike CorporationSudden pressure rise detector
US5339070 *Jul 21, 1992Aug 16, 1994Srs TechnologiesCombined UV/IR flame detection system
US5612676 *Nov 16, 1993Mar 18, 1997Meggitt Avionics, Inc.Dual channel multi-spectrum infrared optical fire and explosion detection system
US6150659 *Apr 10, 1998Nov 21, 2000General Monitors, IncorporatedDigital multi-frequency infrared flame detector
US7197381 *Dec 8, 2003Mar 27, 2007University Of MarylandNavigational system and method utilizing sources of pulsed celestial radiation
US7638770Dec 29, 2009Spectronix Ltd.Method for detecting a fire condition in a monitored region
US7831341Jul 6, 2005Nov 9, 2010University Of MarylandNavigation system and method using modulated celestial radiation sources
US20050192719 *Dec 8, 2003Sep 1, 2005Suneel Ismail SheikhNavigational system and method utilizing sources of pulsed celestial radiation
US20080230701 *Mar 23, 2008Sep 25, 2008Spectronix Ltd.Method for detecting a fire condition in a monitored region
US20090018762 *Jul 6, 2005Jan 15, 2009Suneel SheikhNavigation system and method using modulated celestial radiation sources
DE2500179A1 *Jan 3, 1975Jul 17, 1975Commissariat Energie AtomiqueAlarmgeber
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DE2907546A1 *Feb 26, 1979Nov 8, 1979Spectronix LtdAnordnung zum erfassen von feuer und explosionen
DE2907547A1 *Feb 26, 1979Nov 8, 1979Spectronix LtdSystem zur erfassung und unterdrueckung von feuer und explosionen
DE2954429A1 *Feb 26, 1979Feb 28, 1985 Title not available
DE4200340A1 *Jan 9, 1992Jul 15, 1993Deugra Ges Fuer BrandschutzsysSelective detection equipment extinguishing fires - monitors readiness of extinguisher and warns of pressure deficiency endangering response to infrared-detector-generated alarm.
EP0073111A1 *Aug 2, 1982Mar 2, 1983Kidde-Graviner LimitedImprovements in and relating to fire and explosion detection and suppression
EP0080092A1 *Nov 5, 1982Jun 1, 1983Santa Barbara Research CenterRadiation sensing fire suppression system
EP0159798A1Mar 15, 1985Oct 30, 1985Kidde-Graviner LimitedFire and explosion protection system
EP0175032A1 *Dec 6, 1984Mar 26, 1986Santa Barbara Research CenterMicroprocessor-controlled fire sensor
EP1540615A2 *Sep 15, 2003Jun 15, 2005Pittway CorporationDetector with ambient photon sensor and other sensors
EP1973085A2Mar 25, 2008Sep 24, 2008Spectronix Ltd.A method for detecting a fire condition in a monitored region
WO1981001330A1 *Oct 23, 1980May 14, 1981Santa Barbara Res CenterDual spectrum infared fire sensor
WO1984001232A1 *Sep 16, 1983Mar 29, 1984Santa Barbara Res CenterDiscriminating fire sensor with thermal override capability
WO1986000450A1 *May 9, 1985Jan 16, 1986Santa Barbara Research CenterFire sensing and suppression method and system responsive to optical radiation and mechanical wave energy
WO1989004528A1 *Oct 11, 1988May 18, 1989Santa Barbara Research CenterReal time adaptive round discrimination fire sensor
Classifications
International ClassificationG01S7/292, G08B17/12, G01S19/35, G01S1/02
Cooperative ClassificationG08B17/12, G01S1/02, G01S7/2921
European ClassificationG01S1/02, G01S7/292B, G08B17/12
Legal Events
DateCodeEventDescription
Dec 10, 1985B1Reexamination certificate first reexamination
Nov 13, 1984RRRequest for reexamination filed
Effective date: 19840911