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
- 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
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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)
- 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)
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)
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 |
DE2907547A1 (en) * | 1978-02-27 | 1979-11-08 | Spectronix Ltd | SYSTEM FOR DETECTION AND SUPPRESSION OF FIRE AND EXPLOSIONS |
DE2907546A1 (en) * | 1978-02-27 | 1979-11-08 | Spectronix Ltd | ARRANGEMENT FOR DETECTING 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)
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)
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 |
-
1973
- 1973-07-23 US US00381814A patent/US3825754A/en not_active Expired - Lifetime
-
1974
- 1974-05-31 IL IL44943A patent/IL44943A/en unknown
- 1974-06-12 GB GB2615074A patent/GB1462913A/en not_active Expired
- 1974-06-28 FR FR7422660A patent/FR2238981B1/fr not_active Expired
Cited By (50)
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 | ||
DE2907547A1 (en) * | 1978-02-27 | 1979-11-08 | Spectronix Ltd | SYSTEM FOR DETECTION AND SUPPRESSION OF FIRE AND EXPLOSIONS |
DE2907546A1 (en) * | 1978-02-27 | 1979-11-08 | Spectronix Ltd | ARRANGEMENT FOR DETECTING 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 |
FR2238981B1 (en) | 1978-01-13 |
US3825754A (en) | 1974-07-23 |
GB1462913A (en) | 1977-01-26 |
IL44943A (en) | 1977-02-28 |
FR2238981A1 (en) | 1975-02-21 |
DE2425447A1 (en) | 1975-02-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RR | Request for reexamination filed |
Effective date: 19840911 |
|
B1 | Reexamination certificate first reexamination |