GB1462913A - Dual spectrum infrared fire detection system with high energy ammunition round discrimination - Google Patents

Dual spectrum infrared fire detection system with high energy ammunition round discrimination

Info

Publication number
GB1462913A
GB1462913A GB2615074A GB2615074A GB1462913A GB 1462913 A GB1462913 A GB 1462913A GB 2615074 A GB2615074 A GB 2615074A GB 2615074 A GB2615074 A GB 2615074A GB 1462913 A GB1462913 A GB 1462913A
Authority
GB
United Kingdom
Prior art keywords
explosion
gate
fire
logical
delay
Prior art date
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
GB2615074A
Other languages
English (en)
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of GB1462913A publication Critical patent/GB1462913A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • 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)
GB2615074A 1973-07-23 1974-06-12 Dual spectrum infrared fire detection system with high energy ammunition round discrimination Expired GB1462913A (en)

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 (1)

Publication Number Publication Date
GB1462913A true GB1462913A (en) 1977-01-26

Family

ID=23506483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2615074A Expired GB1462913A (en) 1973-07-23 1974-06-12 Dual spectrum infrared fire detection system with high energy ammunition round discrimination

Country Status (4)

Country Link
US (1) US3825754A (enrdf_load_stackoverflow)
FR (1) FR2238981B1 (enrdf_load_stackoverflow)
GB (1) GB1462913A (enrdf_load_stackoverflow)
IL (1) IL44943A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2126713A (en) * 1980-01-17 1984-03-28 Graviner Ltd Improvements in and relating to fire and explosion detection
GB2218189A (en) * 1987-05-30 1989-11-08 Graviner Ltd Impact detection

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2257118B1 (enrdf_load_stackoverflow) * 1974-01-04 1976-11-26 Commissariat Energie Atomique
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
FR2336655A1 (fr) * 1975-12-22 1977-07-22 Telecommunications Sa Perfectionnement au guidage nocturne d'engins autopropulses
US4101767A (en) * 1977-05-20 1978-07-18 Sensors, Inc. Discriminating fire sensor
IL54138A (en) * 1978-02-27 1983-10-31 Spectronix Ltd Fire and explosion detection and suppression system
IL54137A (en) * 1978-02-27 1985-02-28 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
GB2076148B (en) * 1980-05-17 1984-08-30 Graviner Ltd Improvements in and relating to fire or explosion detection
GB2079933B (en) * 1980-07-12 1984-05-31 Graviner Ltd Improvements in and relating to fire and explosion detection and suppression
US4426591A (en) 1980-08-04 1984-01-17 Hughes Aircraft Company Adaptive comparator
US4679156A (en) * 1981-05-21 1987-07-07 Santa Barbara Research Center Microprocessor-controlled fire sensor
DE3264770D1 (en) * 1981-08-20 1985-08-22 Graviner Ltd Improvements in and relating to 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
FR2516077A1 (fr) * 1981-11-06 1983-05-13 Human Pharm Sa Laboratoires Procede de preparation de l'ester-methylique de l'a-aspartyl phenylalanine
US4469944A (en) * 1981-11-20 1984-09-04 Santa Barbara Research Center Optical discriminating fire sensor
JPH0754557B2 (ja) * 1982-09-20 1995-06-07 サンタバーバラ・リサーチ・センター 感熱補助駆動能力を伴った火災識別用センサ
US4603255A (en) * 1984-03-20 1986-07-29 Htl Industries, Inc. Fire and explosion protection system
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
GB2184584B (en) * 1985-12-20 1989-10-25 Graviner Ltd 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
US5612676A (en) * 1991-08-14 1997-03-18 Meggitt Avionics, Inc. Dual channel multi-spectrum infrared optical fire and explosion detection system
DE4200340C2 (de) * 1992-01-09 1995-08-24 Kidde Deugra Brandschutzsystem Vorrichtung zum selektiven Feuererfassen und Auslösen eines Löschvorgangs
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
US6967582B2 (en) * 2002-09-19 2005-11-22 Honeywell International Inc. Detector with ambient photon sensor and other sensors
US7197381B2 (en) * 2003-12-08 2007-03-27 University Of Maryland Navigational system and method utilizing sources of pulsed celestial radiation
US7831341B2 (en) * 2004-10-28 2010-11-09 University Of Maryland Navigation system and method using modulated celestial radiation sources
US7638770B2 (en) * 2007-03-22 2009-12-29 Spectronix Ltd. Method for detecting a fire condition in a monitored region

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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2126713A (en) * 1980-01-17 1984-03-28 Graviner Ltd Improvements in and relating to fire and explosion detection
GB2218189A (en) * 1987-05-30 1989-11-08 Graviner Ltd Impact detection

Also Published As

Publication number Publication date
FR2238981A1 (enrdf_load_stackoverflow) 1975-02-21
IL44943A (en) 1977-02-28
DE2425447B2 (de) 1976-09-02
US3825754A (en) 1974-07-23
FR2238981B1 (enrdf_load_stackoverflow) 1978-01-13
US3825754B1 (enrdf_load_stackoverflow) 1985-12-10
DE2425447A1 (de) 1975-02-13

Similar Documents

Publication Publication Date Title
GB1462913A (en) Dual spectrum infrared fire detection system with high energy ammunition round discrimination
GB1432106A (en) Dual spec-rum infrared fire detector
US4199682A (en) Fire and explosion detection apparatus
US3665440A (en) Fire detector utilizing ultraviolet and infrared sensors
US4639598A (en) Fire sensor cross-correlator circuit and method
GB1342552A (en) Intruder detection systems
WO1981001330A1 (en) Dual spectrum infared fire sensor
CA1124361A (en) Fire or explosion detection
BR8501217A (pt) Sistema de deteccao de incendio ou explosao
GB1248300A (en) Thunderstorm warning system
GB1417790A (en) Photoelectric smoke detector
GB1534969A (en) Radiation detection apparatus
SE8107380L (sv) Anordning for detektering av brender eller explosioner
US4472715A (en) Dual spectrum fire sensor with discriminator
US4719973A (en) Fire and explosion detection and suppression
EP0066952B1 (en) Sensor system responsive to a fire or explosion
EP0080092A1 (en) Radiation sensing fire suppression system
US2762034A (en) Fire and explosion detection apparatus
US3286093A (en) Flame detector system using a lightly loaded glow discharge detector tube
GB1127443A (en) Improvements in or relating to fire detection and fighting apparatus
GB1305169A (enrdf_load_stackoverflow)
US3901154A (en) Fuzing system
GB1165331A (en) Improvements in or relating to Nuclear Explosion Detection Systems
JPS542700A (en) Optical fire detector
GB1185853A (en) Detection System

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940611