FR2111829A1 - - Google Patents

Info

Publication number
FR2111829A1
FR2111829A1 FR7138286A FR7138286A FR2111829A1 FR 2111829 A1 FR2111829 A1 FR 2111829A1 FR 7138286 A FR7138286 A FR 7138286A FR 7138286 A FR7138286 A FR 7138286A FR 2111829 A1 FR2111829 A1 FR 2111829A1
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
FR7138286A
Other languages
French (fr)
Other versions
FR2111829B1 (enExample
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 FR2111829A1 publication Critical patent/FR2111829A1/fr
Application granted granted Critical
Publication of FR2111829B1 publication Critical patent/FR2111829B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radiation Pyrometers (AREA)
  • Burglar Alarm Systems (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
FR7138286A 1970-10-26 1971-10-25 Expired FR2111829B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8402870A 1970-10-26 1970-10-26

Publications (2)

Publication Number Publication Date
FR2111829A1 true FR2111829A1 (enExample) 1972-06-09
FR2111829B1 FR2111829B1 (enExample) 1974-12-20

Family

ID=22182434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7138286A Expired FR2111829B1 (enExample) 1970-10-26 1971-10-25

Country Status (9)

Country Link
US (1) US3678492A (enExample)
JP (1) JPS5247680B1 (enExample)
DE (1) DE2152428B2 (enExample)
FR (1) FR2111829B1 (enExample)
GB (1) GB1350280A (enExample)
IL (1) IL37708A (enExample)
IT (1) IT939623B (enExample)
NL (1) NL7114758A (enExample)
SE (1) SE369977B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476325A1 (fr) * 1980-02-14 1981-08-21 Messerschmitt Boelkow Blohm Systeme de reperage omnidirectionnel pour objets en mouvement

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL38575A (en) * 1971-01-21 1977-02-28 Australasian Training Aids Pty Method and apparatus for indicating the passing of a projectile through an area in space
IL38807A (en) * 1971-02-23 1977-01-31 Australasian Training Aids Pty Method and apparatus for determining the passing of a projectile through an area in space
US3761910A (en) * 1972-03-02 1973-09-25 Quality Engineering Associates Detector of motion in a scanned field
JPS50142057A (enExample) * 1974-05-01 1975-11-15
US4063085A (en) * 1975-11-03 1977-12-13 Cometa S. A. Method of and apparatus for electronic scanning
EP0093773A1 (en) * 1981-11-19 1983-11-16 Minnesota Mining And Manufacturing Company Optically based intrusion detector
US4556875A (en) * 1981-12-15 1985-12-03 Matsushita Electric Industrial Co., Ltd. Irradiated power monitoring system for optical fiber
DE3415685A1 (de) * 1984-04-27 1985-11-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur szenenwechselerkennung in filmen und videoaufzeichnungen sowie zur ueberwachung von objekten mittels videokameras

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1790491A (en) * 1929-04-01 1931-01-27 Television scanning system
US1990183A (en) * 1931-06-25 1935-02-05 Bell Telephone Labor Inc Electrooptical system
US2410424A (en) * 1942-08-18 1946-11-05 Rca Corp Obstacle detection system
US2493543A (en) * 1947-09-08 1950-01-03 Brush Dev Co Monitoring system of comparator type
US3336585A (en) * 1965-04-05 1967-08-15 Stanford Research Inst Electronic motion detector
US3475608A (en) * 1967-11-02 1969-10-28 Us Army Thermal,moving target,intrusion detector
US3476947A (en) * 1968-02-19 1969-11-04 Sylvania Electric Prod Optical intrusion detection system using dual beam peripheral scanning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476325A1 (fr) * 1980-02-14 1981-08-21 Messerschmitt Boelkow Blohm Systeme de reperage omnidirectionnel pour objets en mouvement

Also Published As

Publication number Publication date
IT939623B (it) 1973-02-10
IL37708A (en) 1973-11-28
SE369977B (enExample) 1974-09-23
IL37708A0 (en) 1971-12-29
JPS5247680B1 (enExample) 1977-12-03
GB1350280A (en) 1974-04-18
FR2111829B1 (enExample) 1974-12-20
US3678492A (en) 1972-07-18
DE2152428A1 (de) 1972-04-27
DE2152428B2 (de) 1976-08-26
NL7114758A (enExample) 1972-04-28

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Legal Events

Date Code Title Description
ST Notification of lapse