FR1193601A - Device intended to eliminate disturbances in the operation of photoelectric cameras caused by the presence of clouds in their optical field - Google Patents

Device intended to eliminate disturbances in the operation of photoelectric cameras caused by the presence of clouds in their optical field

Info

Publication number
FR1193601A
FR1193601A FR1193601DA FR1193601A FR 1193601 A FR1193601 A FR 1193601A FR 1193601D A FR1193601D A FR 1193601DA FR 1193601 A FR1193601 A FR 1193601A
Authority
FR
France
Prior art keywords
clouds
photoelectric
optical field
device intended
eliminate disturbances
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
Other languages
French (fr)
Inventor
Osjasz Heszel Oscar-Henri I Al
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 filed Critical
Application granted granted Critical
Publication of FR1193601A publication Critical patent/FR1193601A/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
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR1193601D 1946-04-19 1946-04-19 Device intended to eliminate disturbances in the operation of photoelectric cameras caused by the presence of clouds in their optical field Expired FR1193601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1193601T 1946-04-19

Publications (1)

Publication Number Publication Date
FR1193601A true FR1193601A (en) 1959-11-04

Family

ID=9668034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1193601D Expired FR1193601A (en) 1946-04-19 1946-04-19 Device intended to eliminate disturbances in the operation of photoelectric cameras caused by the presence of clouds in their optical field

Country Status (1)

Country Link
FR (1) FR1193601A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3083299A (en) * 1959-09-25 1963-03-26 Santa Barbara Res Ct Apparatus for processing optically received electromagnetic radiation
DE1187024B (en) * 1960-03-21 1965-02-11 Barnes Eng Co Search device for objects that emit electromagnetic radiation
DE1197234B (en) * 1959-10-23 1965-07-22 Barnes Eng Co Homing device
DE1208898B (en) * 1959-04-23 1966-01-13 Nat Res Dev Device for generating modulated electrical signals
DE977834C (en) * 1960-04-17 1971-07-15 Eltro Gmbh Device for determining the position of the target by coordinates

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208898B (en) * 1959-04-23 1966-01-13 Nat Res Dev Device for generating modulated electrical signals
US3083299A (en) * 1959-09-25 1963-03-26 Santa Barbara Res Ct Apparatus for processing optically received electromagnetic radiation
DE1197234B (en) * 1959-10-23 1965-07-22 Barnes Eng Co Homing device
DE1187024B (en) * 1960-03-21 1965-02-11 Barnes Eng Co Search device for objects that emit electromagnetic radiation
DE977834C (en) * 1960-04-17 1971-07-15 Eltro Gmbh Device for determining the position of the target by coordinates

Similar Documents

Publication Publication Date Title
FR1193601A (en) Device intended to eliminate disturbances in the operation of photoelectric cameras caused by the presence of clouds in their optical field
FR927002A (en) Adjustable attachment device
CH257427A (en) Support device for a cinematographic camera.
FR968873A (en) Optical frame, especially for cameras
FR933428A (en) Pump adjustment device
FR935219A (en) Improvements to the photoelectric cell light meter
FR922237A (en) Balancing device for cycles
FR919139A (en) Optical device
FR926484A (en) Rear view device
FR990258A (en) Improvement in the Maltese cross device of cinematographic projection devices
FR1002564A (en) Optical sighting device, particularly for leveling and alignment
FR918585A (en) Protective device for beehive
FR1003137A (en) Concave mirror optical device
FR934954A (en) Cinematographic camera
FR933643A (en) Improvements to cinematographic projection devices
FR917770A (en) Vacuum evaporative concentration device
FR939587A (en) Centered optical system
FR1073413A (en) Optical sighting device
FR879782A (en) Comb adjustment device fixed in combers
FR922104A (en) Accounting device
FR936546A (en) Optical verifier
FR940661A (en) Positioning device
FR919757A (en) Glass cutting device
FR936816A (en) Optical system
FR909872A (en) Wedge blocking device