FR2365109A1 - Procede et dispositif de modulation pour appareils thermiques de surveillance - Google Patents

Procede et dispositif de modulation pour appareils thermiques de surveillance

Info

Publication number
FR2365109A1
FR2365109A1 FR7628070A FR7628070A FR2365109A1 FR 2365109 A1 FR2365109 A1 FR 2365109A1 FR 7628070 A FR7628070 A FR 7628070A FR 7628070 A FR7628070 A FR 7628070A FR 2365109 A1 FR2365109 A1 FR 2365109A1
Authority
FR
France
Prior art keywords
modulation method
surveillance devices
thermal
thermal surveillance
modulation
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.)
Withdrawn
Application number
FR7628070A
Other languages
English (en)
French (fr)
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.)
Individual
Original Assignee
Individual
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
Priority to NL7609346A priority Critical patent/NL7609346A/xx
Priority to GB3768976A priority patent/GB1566871A/en
Application filed by Individual filed Critical Individual
Priority to FR7628070A priority patent/FR2365109A1/fr
Priority to BE2055630A priority patent/BE850820A/xx
Publication of FR2365109A1 publication Critical patent/FR2365109A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/787—Systems for determining direction or deviation from predetermined direction using rotating reticles producing a direction-dependent modulation characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Closed-Circuit Television Systems (AREA)
FR7628070A 1976-08-23 1976-09-17 Procede et dispositif de modulation pour appareils thermiques de surveillance Withdrawn FR2365109A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL7609346A NL7609346A (nl) 1976-08-23 1976-08-23 Modulatiewerkwijze en modulatie-inrichting voor warmteverkenningstoestellen.
GB3768976A GB1566871A (en) 1976-08-23 1976-09-10 Modulation of infrared radiation received by reconnaissance equipment
FR7628070A FR2365109A1 (fr) 1976-08-23 1976-09-17 Procede et dispositif de modulation pour appareils thermiques de surveillance
BE2055630A BE850820A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-08-23 1977-01-28

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NL7609346A NL7609346A (nl) 1976-08-23 1976-08-23 Modulatiewerkwijze en modulatie-inrichting voor warmteverkenningstoestellen.
GB3768976A GB1566871A (en) 1976-08-23 1976-09-10 Modulation of infrared radiation received by reconnaissance equipment
FR7628070A FR2365109A1 (fr) 1976-08-23 1976-09-17 Procede et dispositif de modulation pour appareils thermiques de surveillance
BE850820 1977-01-28
BE2055630A BE850820A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-08-23 1977-01-28

Publications (1)

Publication Number Publication Date
FR2365109A1 true FR2365109A1 (fr) 1978-04-14

Family

ID=27507759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628070A Withdrawn FR2365109A1 (fr) 1976-08-23 1976-09-17 Procede et dispositif de modulation pour appareils thermiques de surveillance

Country Status (4)

Country Link
BE (1) BE850820A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2365109A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1566871A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7609346A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH553417A (de) * 1972-05-03 1974-08-30 Schaerli Anton Luftraumueberwachungs- und vermessungsgeraet.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH553417A (de) * 1972-05-03 1974-08-30 Schaerli Anton Luftraumueberwachungs- und vermessungsgeraet.

Also Published As

Publication number Publication date
BE850820A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-11-06
GB1566871A (en) 1980-05-08
NL7609346A (nl) 1978-02-27

Similar Documents

Publication Publication Date Title
FR2346688A1 (fr) Procede et dispositif pour verifier la presence d'objets dans une zone de surveillance determinee, en particulier pour eviter des vols dans des magasins
FR2280906A1 (fr) Dispositif de detection de la direction d'un champ magnetique
BE870893A (fr) Dispositif pour mesurer, sans contact, la distance d'une surface d'un objet par rapport a un plan de reference
EP0387906A3 (en) Sensor having a cantilever
FR2329998A1 (fr) Dispositif pour repeter cycliquement une serie d'analyses colorimetriques sur une suite d'echantillons
KR840005210A (ko) 광학적 윤곽 측정방법
ATE40969T1 (de) System zum erfassen einer bewegung.
FR2295443A2 (fr) Procede et dispositif de determination photo-electrique de la position d'au moins un plan de nettete d'une image
NO851231L (no) Anordning for automatisk lesing av informasjon paa bevegelige gjenstander.
FR2276689A1 (fr) Procede et appareil pour detecter une marque de cadrage situee sur une cible
FR2365109A1 (fr) Procede et dispositif de modulation pour appareils thermiques de surveillance
KR830005953A (ko) 형절단기계의 토오치 지지 및 높이 감지장치
BE886464A (fr) Dispositif de controle thermometrique permettant la detection d'augmentations meme temporaires d'une temperature constante determinee
FR2284862A1 (fr) Procede et dispositif de mesure de l'angle d'inclinaison d'un file comportant une torsion
IT1117341B (it) Dispositivo di rilevazione per l'analisi mediante rontgen-fluorescenza
FR2402436A1 (fr) Procede pour representer des valeurs de seuil determinees dans un perimetre automatique
KR960035662A (ko) 스테이지 장치
GB1323104A (en) Device for detecting the deviation of a light beam
ATE94637T1 (de) Vorrichtung zur fernmessung von koordinaten.
JPS5548602A (en) Steel rope surface unevenness detection measuring method via magnetism-sensitive element
KR910012721A (ko) 유속측정 장치
JPS57206806A (en) Measuring method and device for caternary in continuous annealing furnace
JPS52143882A (en) Vibration source position detection system
SE422367B (sv) Anordning for att bestemma en horidontell vinkelstreckta for berbara optiska malavstandsmetapparater, serskilt med optisk atervinning medelst elektronisk halvledaranordning
FR2628827B1 (fr) Procede pour optimiser une combustion, dispositif pour la mise en oeuvre de ce procede, ainsi que detecteur equipant un tel dispositif

Legal Events

Date Code Title Description
ST Notification of lapse