GB1431792A - Methods of modulating infrared radiation received by reconnaissance instruments - Google Patents

Methods of modulating infrared radiation received by reconnaissance instruments

Info

Publication number
GB1431792A
GB1431792A GB1573173A GB1573173A GB1431792A GB 1431792 A GB1431792 A GB 1431792A GB 1573173 A GB1573173 A GB 1573173A GB 1573173 A GB1573173 A GB 1573173A GB 1431792 A GB1431792 A GB 1431792A
Authority
GB
United Kingdom
Prior art keywords
lattice
infra
image
red
reconnaissance
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
GB1573173A
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
Application filed by Individual filed Critical Individual
Publication of GB1431792A publication Critical patent/GB1431792A/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
    • G01S3/781—Details
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Blocking Light For Cameras (AREA)
GB1573173A 1972-04-26 1973-04-02 Methods of modulating infrared radiation received by reconnaissance instruments Expired GB1431792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722220316 DE2220316C3 (de) 1972-04-26 1972-04-26 Modulationsverfahren für Wärme- Aufklärungsgeräte und Einrichtung zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
GB1431792A true GB1431792A (en) 1976-04-14

Family

ID=5843236

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1573173A Expired GB1431792A (en) 1972-04-26 1973-04-02 Methods of modulating infrared radiation received by reconnaissance instruments

Country Status (3)

Country Link
DE (1) DE2220316C3 (enrdf_load_stackoverflow)
FR (1) FR2181726B1 (enrdf_load_stackoverflow)
GB (1) GB1431792A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245398C1 (de) * 1982-12-08 1987-03-12 Eltro Gmbh Verfahren und Vorrichtung zum Selektieren eines Punktzieles
EP0316489A1 (en) * 1987-11-17 1989-05-24 British Aerospace Public Limited Company Surveillance apparatus

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219642A (en) * 1965-11-23 Infraxred v viewing system
US2436178A (en) * 1943-10-21 1948-02-17 Rca Corp Electronic computer for transforming polar into rectilinear coordinates
GB709331A (en) * 1949-01-03 1954-05-19 Elliott Brothers London Ltd Improvements in or relating to light beam stabilising systems
US2943204A (en) * 1950-07-11 1960-06-28 North American Aviation Inc Star sensing system
FR1087838A (fr) * 1953-06-17 1955-03-01 Goniomètre analyseur d'image par modulation de fréquence
US3034405A (en) * 1953-10-13 1962-05-15 Lucien M Biberman Multislit scanner
US3081632A (en) * 1957-02-12 1963-03-19 Servo Corp Of America Direct-reading pyrometer microscope
US2877356A (en) * 1957-05-31 1959-03-10 Lloyd A Iddings Optical control system
US3106642A (en) * 1959-01-29 1963-10-08 Acf Ind Inc Infrared search and tracking system comprising a plurality of detectors
FR1325972A (fr) * 1961-05-25 1963-05-03 Barnes Eng Co Détecteur de mouvement d'image de cible
NL278853A (enrdf_load_stackoverflow) * 1961-05-25
US3151247A (en) * 1961-05-31 1964-09-29 Texas Instruments Inc Heterogeneous radiation analysis using a rotating reticle for modulating different portions of a spectral display
US3144555A (en) * 1962-06-08 1964-08-11 Space Technolgy Lab Inc Reticle structure for infra-red detecting system
US3551680A (en) * 1964-11-23 1970-12-29 American Standard Inc Star field observation apparatus having reticle with exponentially varying optical transmittivity and mirror sweeping the star field across the mirror at exponentially varying velocity

Also Published As

Publication number Publication date
FR2181726B1 (enrdf_load_stackoverflow) 1976-11-05
DE2220316A1 (de) 1973-11-08
DE2220316B2 (enrdf_load_stackoverflow) 1975-04-03
DE2220316C3 (de) 1982-08-12
FR2181726A1 (enrdf_load_stackoverflow) 1973-12-07

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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