GB1566871A - Modulation of infrared radiation received by reconnaissance equipment - Google Patents

Modulation of infrared radiation received by reconnaissance equipment Download PDF

Info

Publication number
GB1566871A
GB1566871A GB3768976A GB3768976A GB1566871A GB 1566871 A GB1566871 A GB 1566871A GB 3768976 A GB3768976 A GB 3768976A GB 3768976 A GB3768976 A GB 3768976A GB 1566871 A GB1566871 A GB 1566871A
Authority
GB
United Kingdom
Prior art keywords
lattice
modulation
radiation
movement
edge
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.)
Expired
Application number
GB3768976A
Other languages
English (en)
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
Application filed by Individual filed Critical Individual
Priority to GB3768976A priority patent/GB1566871A/en
Priority to FR7628070A priority patent/FR2365109A1/fr
Priority to BE2055630A priority patent/BE850820A/xx
Publication of GB1566871A publication Critical patent/GB1566871A/en
Expired 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)
  • Closed-Circuit Television Systems (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB3768976A 1976-08-23 1976-09-10 Modulation of infrared radiation received by reconnaissance equipment Expired GB1566871A (en)

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
GB1566871A true GB1566871A (en) 1980-05-08

Family

ID=27507759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3768976A Expired GB1566871A (en) 1976-08-23 1976-09-10 Modulation of infrared radiation received by reconnaissance equipment

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)

Family Cites Families (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
NL7609346A (nl) 1978-02-27
FR2365109A1 (fr) 1978-04-14

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee