US3825754B1 - - Google Patents

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Publication number
US3825754B1
US3825754B1 US38181473A US3825754B1 US 3825754 B1 US3825754 B1 US 3825754B1 US 38181473 A US38181473 A US 38181473A US 3825754 B1 US3825754 B1 US 3825754B1
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US
United States
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 - Lifetime
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English (en)
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
Priority to US00381814A priority Critical patent/US3825754A/en
Priority to DE19742425447 priority patent/DE2425447C3/de
Priority to IL44943A priority patent/IL44943A/en
Priority to GB2615074A priority patent/GB1462913A/en
Priority to FR7422660A priority patent/FR2238981B1/fr
Publication of US3825754A publication Critical patent/US3825754A/en
Application granted granted Critical
Publication of US3825754B1 publication Critical patent/US3825754B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
US00381814A 1973-07-23 1973-07-23 Dual spectrum infrared fire detection system with high energy ammunition round discrimination Expired - Lifetime US3825754A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US00381814A US3825754A (en) 1973-07-23 1973-07-23 Dual spectrum infrared fire detection system with high energy ammunition round discrimination
DE19742425447 DE2425447C3 (de) 1973-07-23 1974-05-25 Elektrischer Feuer- und Explosionsmelder
IL44943A IL44943A (en) 1973-07-23 1974-05-31 Fire or explosion detection system with discrimination means operable in accordance with amount of energy generated within a predetermined time duration
GB2615074A GB1462913A (en) 1973-07-23 1974-06-12 Dual spectrum infrared fire detection system with high energy ammunition round discrimination
FR7422660A FR2238981B1 (US07714131-20100511-C00038.png) 1973-07-23 1974-06-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00381814A US3825754A (en) 1973-07-23 1973-07-23 Dual spectrum infrared fire detection system with high energy ammunition round discrimination

Publications (2)

Publication Number Publication Date
US3825754A US3825754A (en) 1974-07-23
US3825754B1 true US3825754B1 (US07714131-20100511-C00038.png) 1985-12-10

Family

ID=23506483

Family Applications (1)

Application Number Title Priority Date Filing Date
US00381814A Expired - Lifetime US3825754A (en) 1973-07-23 1973-07-23 Dual spectrum infrared fire detection system with high energy ammunition round discrimination

Country Status (4)

Country Link
US (1) US3825754A (US07714131-20100511-C00038.png)
FR (1) FR2238981B1 (US07714131-20100511-C00038.png)
GB (1) GB1462913A (US07714131-20100511-C00038.png)
IL (1) IL44943A (US07714131-20100511-C00038.png)

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2500179A1 (de) * 1974-01-04 1975-07-17 Commissariat Energie Atomique Alarmgeber
US3936822A (en) * 1974-06-14 1976-02-03 Hirschberg Kenneth A Method and apparatus for detecting weapon fire
US3992110A (en) * 1974-09-03 1976-11-16 The United States Of America As Represented By The Secretary Of The Navy Multi-spectral optical comparator
US4101767A (en) * 1977-05-20 1978-07-18 Sensors, Inc. Discriminating fire sensor
US4162052A (en) * 1975-12-22 1979-07-24 Societe Anonyme De Telecommunications Night guidance of self-propelled missiles
DE2907547A1 (de) * 1978-02-27 1979-11-08 Spectronix Ltd System zur erfassung und unterdrueckung von feuer und explosionen
DE2907546A1 (de) * 1978-02-27 1979-11-08 Spectronix Ltd Anordnung zum erfassen von feuer und explosionen
US4220857A (en) * 1978-11-01 1980-09-02 Systron-Donner Corporation Optical flame and explosion detection system and method
WO1981001330A1 (en) * 1979-11-02 1981-05-14 Santa Barbara Res Center Dual spectrum infared fire sensor
FR2486691A1 (fr) * 1980-07-12 1982-01-15 Graviner Ltd Systeme de detection d'incendies et d'explosions
US4357534A (en) * 1980-01-17 1982-11-02 Graviner Limited Fire and explosion detection
US4373136A (en) * 1980-01-17 1983-02-08 Graviner Limited Fire and explosion detection
EP0073111A1 (en) * 1981-08-20 1983-03-02 Kidde-Graviner Limited Improvements in and relating to fire and explosion detection and suppression
EP0080092A1 (en) * 1981-11-20 1983-06-01 Santa Barbara Research Center Radiation sensing fire suppression system
US4414542A (en) * 1980-05-17 1983-11-08 Graviner Limited Two channel comparison-type fire or explosion detecting system
JPS58501909A (ja) * 1981-11-06 1983-11-10 ラボラトイレス・フォ−ニア−・エス・エ− α−アスパルチルフエニルアラニンメチルエステルの製造方法
US4426591A (en) 1980-08-04 1984-01-17 Hughes Aircraft Company Adaptive comparator
WO1984001232A1 (en) * 1982-09-20 1984-03-29 Santa Barbara Res Center Discriminating fire sensor with thermal override capability
US4455487A (en) * 1981-10-30 1984-06-19 Armtec Industries, Inc. Fire detection system with IR and UV ratio detector
EP0159798A1 (en) 1984-03-20 1985-10-30 Kidde-Graviner Limited Fire and explosion protection system
WO1986000450A1 (en) * 1984-06-18 1986-01-16 Santa Barbara Research Center Fire sensing and suppression method and system responsive to optical radiation and mechanical wave energy
EP0175032A1 (en) * 1984-08-16 1986-03-26 Santa Barbara Research Center Microprocessor-controlled fire sensor
US4719973A (en) * 1985-12-20 1988-01-19 Graviner Limited Fire and explosion detection and suppression
US4783592A (en) * 1987-11-02 1988-11-08 Santa Barbara Research Center Real time adaptive round discrimination fire sensor
US5122628A (en) * 1990-05-25 1992-06-16 Fike Corporation Sudden pressure rise detector
DE4200340A1 (de) * 1992-01-09 1993-07-15 Deugra Ges Fuer Brandschutzsys Vorrichtung zum selektiven feuererfassen und ausloesen eines loeschvorgangs
US5339070A (en) * 1992-07-21 1994-08-16 Srs Technologies Combined UV/IR flame detection system
US5612676A (en) * 1991-08-14 1997-03-18 Meggitt Avionics, Inc. Dual channel multi-spectrum infrared optical fire and explosion detection system
US6150659A (en) * 1998-04-10 2000-11-21 General Monitors, Incorporated Digital multi-frequency infrared flame detector
EP1540615A2 (en) * 2002-09-19 2005-06-15 Pittway Corporation Detector with ambient photon sensor and other sensors
US20050192719A1 (en) * 2003-12-08 2005-09-01 Suneel Ismail Sheikh Navigational system and method utilizing sources of pulsed celestial radiation
EP1973085A2 (en) 2007-03-22 2008-09-24 Spectronix Ltd. A method for detecting a fire condition in a monitored region
US20090018762A1 (en) * 2004-10-28 2009-01-15 Suneel Sheikh Navigation system and method using modulated celestial radiation sources

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126713B (en) * 1980-01-17 1984-11-21 Graviner Ltd Improvements in and relating to fire and explosion detection
GB2218189A (en) * 1987-05-30 1989-11-08 Graviner Ltd Impact detection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3147380A (en) * 1960-05-26 1964-09-01 Western Union Telegraph Co Nuclear bomb explosion detecting device

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2500179A1 (de) * 1974-01-04 1975-07-17 Commissariat Energie Atomique Alarmgeber
US3936822A (en) * 1974-06-14 1976-02-03 Hirschberg Kenneth A Method and apparatus for detecting weapon fire
US3992110A (en) * 1974-09-03 1976-11-16 The United States Of America As Represented By The Secretary Of The Navy Multi-spectral optical comparator
US4162052A (en) * 1975-12-22 1979-07-24 Societe Anonyme De Telecommunications Night guidance of self-propelled missiles
US4101767A (en) * 1977-05-20 1978-07-18 Sensors, Inc. Discriminating fire sensor
DE2819183A1 (de) * 1977-05-20 1978-11-30 Sensors Inc Selektive feuerabtastvorrichtung
FR2391520A1 (fr) * 1977-05-20 1978-12-15 Sensors Inc Detecteur d'incendie assurant la discrimination entre les causes possibles
DE2954429A1 (US07714131-20100511-C00038.png) * 1978-02-27 1985-02-28
DE2907547A1 (de) * 1978-02-27 1979-11-08 Spectronix Ltd System zur erfassung und unterdrueckung von feuer und explosionen
DE2907546A1 (de) * 1978-02-27 1979-11-08 Spectronix Ltd Anordnung zum erfassen von feuer und explosionen
US4199682A (en) * 1978-02-27 1980-04-22 Spectronix Ltd. Fire and explosion detection apparatus
US4220857A (en) * 1978-11-01 1980-09-02 Systron-Donner Corporation Optical flame and explosion detection system and method
US4296324A (en) * 1979-11-02 1981-10-20 Santa Barbara Research Center Dual spectrum infrared fire sensor
WO1981001330A1 (en) * 1979-11-02 1981-05-14 Santa Barbara Res Center Dual spectrum infared fire sensor
US4357534A (en) * 1980-01-17 1982-11-02 Graviner Limited Fire and explosion detection
US4373136A (en) * 1980-01-17 1983-02-08 Graviner Limited Fire and explosion detection
US4414542A (en) * 1980-05-17 1983-11-08 Graviner Limited Two channel comparison-type fire or explosion detecting system
FR2486691A1 (fr) * 1980-07-12 1982-01-15 Graviner Ltd Systeme de detection d'incendies et d'explosions
US4421984A (en) * 1980-07-12 1983-12-20 Graviner, Limited Fire and explosion detection and suppression
US4426591A (en) 1980-08-04 1984-01-17 Hughes Aircraft Company Adaptive comparator
EP0073111A1 (en) * 1981-08-20 1983-03-02 Kidde-Graviner Limited Improvements in and relating to fire and explosion detection and suppression
US4497373A (en) * 1981-08-20 1985-02-05 Graviner Limited Fire and explosion detection and suppression
US4455487A (en) * 1981-10-30 1984-06-19 Armtec Industries, Inc. Fire detection system with IR and UV ratio detector
JPS58501909A (ja) * 1981-11-06 1983-11-10 ラボラトイレス・フォ−ニア−・エス・エ− α−アスパルチルフエニルアラニンメチルエステルの製造方法
US4469944A (en) * 1981-11-20 1984-09-04 Santa Barbara Research Center Optical discriminating fire sensor
EP0080092A1 (en) * 1981-11-20 1983-06-01 Santa Barbara Research Center Radiation sensing fire suppression system
WO1984001232A1 (en) * 1982-09-20 1984-03-29 Santa Barbara Res Center Discriminating fire sensor with thermal override capability
US4647776A (en) * 1982-09-20 1987-03-03 Santa Barbara Research Center Discriminating fire sensor with thermal override capability
EP0159798A1 (en) 1984-03-20 1985-10-30 Kidde-Graviner Limited Fire and explosion protection system
US4603255A (en) * 1984-03-20 1986-07-29 Htl Industries, Inc. Fire and explosion protection system
WO1986000450A1 (en) * 1984-06-18 1986-01-16 Santa Barbara Research Center Fire sensing and suppression method and system responsive to optical radiation and mechanical wave energy
US4630684A (en) * 1984-06-18 1986-12-23 Santa Barbara Research Center Fire sensing and suppression method and system responsive to optical radiation and mechanical wave energy
EP0175032A1 (en) * 1984-08-16 1986-03-26 Santa Barbara Research Center Microprocessor-controlled fire sensor
US4719973A (en) * 1985-12-20 1988-01-19 Graviner Limited Fire and explosion detection and suppression
WO1989004528A1 (en) * 1987-11-02 1989-05-18 Santa Barbara Research Center Real time adaptive round discrimination fire sensor
US4783592A (en) * 1987-11-02 1988-11-08 Santa Barbara Research Center Real time adaptive round discrimination fire sensor
US5122628A (en) * 1990-05-25 1992-06-16 Fike Corporation Sudden pressure rise detector
US5612676A (en) * 1991-08-14 1997-03-18 Meggitt Avionics, Inc. Dual channel multi-spectrum infrared optical fire and explosion detection system
DE4200340A1 (de) * 1992-01-09 1993-07-15 Deugra Ges Fuer Brandschutzsys Vorrichtung zum selektiven feuererfassen und ausloesen eines loeschvorgangs
US5339070A (en) * 1992-07-21 1994-08-16 Srs Technologies Combined UV/IR flame detection system
US6150659A (en) * 1998-04-10 2000-11-21 General Monitors, Incorporated Digital multi-frequency infrared flame detector
EP1540615A2 (en) * 2002-09-19 2005-06-15 Pittway Corporation Detector with ambient photon sensor and other sensors
EP1540615A4 (en) * 2002-09-19 2009-08-05 Honeywell Int Inc DETECTOR WITH AMBIENT PHOTO SENSOR AND OTHER SENSORS
US20050192719A1 (en) * 2003-12-08 2005-09-01 Suneel Ismail Sheikh Navigational system and method utilizing sources of pulsed celestial radiation
US7197381B2 (en) * 2003-12-08 2007-03-27 University Of Maryland Navigational system and method utilizing sources of pulsed celestial radiation
US20090018762A1 (en) * 2004-10-28 2009-01-15 Suneel Sheikh Navigation system and method using modulated celestial radiation sources
US7831341B2 (en) 2004-10-28 2010-11-09 University Of Maryland Navigation system and method using modulated celestial radiation sources
EP1973085A2 (en) 2007-03-22 2008-09-24 Spectronix Ltd. A method for detecting a fire condition in a monitored region
US20080230701A1 (en) * 2007-03-22 2008-09-25 Spectronix Ltd. Method for detecting a fire condition in a monitored region
US7638770B2 (en) 2007-03-22 2009-12-29 Spectronix Ltd. Method for detecting a fire condition in a monitored region

Also Published As

Publication number Publication date
DE2425447A1 (de) 1975-02-13
US3825754A (en) 1974-07-23
IL44943A (en) 1977-02-28
FR2238981B1 (US07714131-20100511-C00038.png) 1978-01-13
DE2425447B2 (de) 1976-09-02
GB1462913A (en) 1977-01-26
FR2238981A1 (US07714131-20100511-C00038.png) 1975-02-21

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Legal Events

Date Code Title Description
RR Request for reexamination filed

Effective date: 19840911

B1 Reexamination certificate first reexamination