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Withdrawn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Withdrawn legal-status Critical Current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 (enExample) 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
BE2055630A BE850820A (enExample) 1976-08-23 1977-01-28
BE850820 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 (enExample)
FR (1) FR2365109A1 (enExample)
GB (1) GB1566871A (enExample)
NL (1) NL7609346A (enExample)

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
NL7609346A (nl) 1978-02-27
BE850820A (enExample) 1978-11-06
GB1566871A (en) 1980-05-08

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Legal Events

Date Code Title Description
ST Notification of lapse