US3825754B1 - - Google Patents

Download PDF

Info

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
Authority
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
Application number
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/en
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

Links

Images

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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (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 (en) 1973-07-23 1974-05-25 Electric fire and explosion detector
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 (en) 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 (en) 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 (en)
FR (1) FR2238981B1 (en)
GB (1) GB1462913A (en)
IL (1) IL44943A (en)

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2500179A1 (en) * 1974-01-04 1975-07-17 Commissariat Energie Atomique ALARM
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
DE2907546A1 (en) * 1978-02-27 1979-11-08 Spectronix Ltd ARRANGEMENT FOR DETECTING FIRE AND EXPLOSIONS
DE2907547A1 (en) * 1978-02-27 1979-11-08 Spectronix Ltd SYSTEM FOR DETECTION AND SUPPRESSION OF FIRE AND EXPLOSIONS
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 (en) * 1980-07-12 1982-01-15 Graviner Ltd FIRE AND EXPLOSION DETECTION SYSTEM
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 (en) * 1981-11-06 1983-11-10 ラボラトイレス・フォ−ニア−・エス・エ− Method for producing α-aspartyl phenylalanine methyl ester
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 (en) * 1992-01-09 1993-07-15 Deugra Ges Fuer Brandschutzsys Selective detection equipment extinguishing fires - monitors readiness of extinguisher and warns of pressure deficiency endangering response to infrared-detector-generated alarm.
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 (en) * 1974-01-04 1975-07-17 Commissariat Energie Atomique ALARM
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 (en) * 1977-05-20 1978-11-30 Sensors Inc SELECTIVE FIRE SENSING DEVICE
FR2391520A1 (en) * 1977-05-20 1978-12-15 Sensors Inc FIRE DETECTOR ENSURING DISCRIMINATION BETWEEN POSSIBLE CAUSES
DE2954429A1 (en) * 1978-02-27 1985-02-28
DE2907546A1 (en) * 1978-02-27 1979-11-08 Spectronix Ltd ARRANGEMENT FOR DETECTING FIRE AND EXPLOSIONS
DE2907547A1 (en) * 1978-02-27 1979-11-08 Spectronix Ltd SYSTEM FOR DETECTION AND SUPPRESSION OF FIRE AND EXPLOSIONS
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 (en) * 1980-07-12 1982-01-15 Graviner Ltd FIRE AND EXPLOSION DETECTION SYSTEM
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 (en) * 1981-11-06 1983-11-10 ラボラトイレス・フォ−ニア−・エス・エ− Method for producing α-aspartyl phenylalanine methyl ester
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 (en) * 1992-01-09 1993-07-15 Deugra Ges Fuer Brandschutzsys Selective detection equipment extinguishing fires - monitors readiness of extinguisher and warns of pressure deficiency endangering response to infrared-detector-generated alarm.
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 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
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
DE2425447B2 (en) 1976-09-02
IL44943A (en) 1977-02-28
FR2238981B1 (en) 1978-01-13
US3825754A (en) 1974-07-23
FR2238981A1 (en) 1975-02-21
DE2425447A1 (en) 1975-02-13
GB1462913A (en) 1977-01-26

Similar Documents

Publication Publication Date Title
US3825754B1 (en)
AR201758A1 (en)
AU465372B2 (en)
AR201235Q (en)
AR201231Q (en)
AU450229B2 (en)
AR201229Q (en)
AR199451A1 (en)
CS175694B1 (en)
AR210729A1 (en)
AU461342B2 (en)
AR197627A1 (en)
AR193950A1 (en)
AR201432A1 (en)
AR200256A1 (en)
AR200885A1 (en)
AR195311A1 (en)
AU447540B2 (en)
AR196382A1 (en)
AU477824B2 (en)
AR195948A1 (en)
AU1891376A (en)
AR196123Q (en)
AR196212Q (en)
CH567285A5 (en)

Legal Events

Date Code Title Description
RR Request for reexamination filed

Effective date: 19840911

B1 Reexamination certificate first reexamination