FR2238981A1 - - Google Patents

Info

Publication number
FR2238981A1
FR2238981A1 FR7422660A FR7422660A FR2238981A1 FR 2238981 A1 FR2238981 A1 FR 2238981A1 FR 7422660 A FR7422660 A FR 7422660A FR 7422660 A FR7422660 A FR 7422660A FR 2238981 A1 FR2238981 A1 FR 2238981A1
Authority
FR
France
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.)
Granted
Application number
FR7422660A
Other languages
French (fr)
Other versions
FR2238981B1 (enrdf_load_stackoverflow
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 FR2238981A1 publication Critical patent/FR2238981A1/fr
Application granted granted Critical
Publication of FR2238981B1 publication Critical patent/FR2238981B1/fr
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)
FR7422660A 1973-07-23 1974-06-28 Expired FR2238981B1 (enrdf_load_stackoverflow)

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
FR2238981A1 true FR2238981A1 (enrdf_load_stackoverflow) 1975-02-21
FR2238981B1 FR2238981B1 (enrdf_load_stackoverflow) 1978-01-13

Family

ID=23506483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422660A Expired FR2238981B1 (enrdf_load_stackoverflow) 1973-07-23 1974-06-28

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)

Families Citing this family (35)

* 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
US4373136A (en) * 1980-01-17 1983-02-08 Graviner Limited Fire and explosion detection
GB2126713B (en) * 1980-01-17 1984-11-21 Graviner Ltd Improvements in and relating to fire and explosion detection
US4357534A (en) * 1980-01-17 1982-11-02 Graviner Limited Fire and explosion detection
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
GB2218189A (en) * 1987-05-30 1989-11-08 Graviner Ltd Impact detection
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

Also Published As

Publication number Publication date
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
GB1462913A (en) 1977-01-26

Similar Documents

Publication Publication Date Title
US3825754B1 (enrdf_load_stackoverflow)
AU476761B2 (enrdf_load_stackoverflow)
AU474593B2 (enrdf_load_stackoverflow)
AU474511B2 (enrdf_load_stackoverflow)
AU474838B2 (enrdf_load_stackoverflow)
AU471343B2 (enrdf_load_stackoverflow)
AU465453B2 (enrdf_load_stackoverflow)
AU476714B2 (enrdf_load_stackoverflow)
AU466283B2 (enrdf_load_stackoverflow)
AU472848B2 (enrdf_load_stackoverflow)
AU476696B2 (enrdf_load_stackoverflow)
AU477823B2 (enrdf_load_stackoverflow)
AR195311A1 (enrdf_load_stackoverflow)
AU477824B2 (enrdf_load_stackoverflow)
AR195948A1 (enrdf_load_stackoverflow)
AU471461B2 (enrdf_load_stackoverflow)
AU476873B1 (enrdf_load_stackoverflow)
AR193950A1 (enrdf_load_stackoverflow)
AR196123Q (enrdf_load_stackoverflow)
BG19812A2 (enrdf_load_stackoverflow)
AU480973A (enrdf_load_stackoverflow)
AU479458A (enrdf_load_stackoverflow)
AU479453A (enrdf_load_stackoverflow)
AU479422A (enrdf_load_stackoverflow)
AU479420A (enrdf_load_stackoverflow)