BOARD FOR SELECTING OBSERVATION OBJECTS FROM ORBITAL SPACECRAFT Russian patent published in 2012 - IPC G01C21/24 

FIELD: physics.

SUBSTANCE: board for selecting observation objects from orbital spacecraft includes a plate with a map of the earth's surface, a semitransparent plate placed on top of the map of the planet, and means of facilitating displacement of the semitransparent plate along the equatorial line on the map. One edge of the semitransparent plate is curvilinear and has the shape of the curved line of the path of the orbit pass of the spacecraft. The semitransparent plate is placed with superposition of points of said curvilinear edge of the plate, which simulate node points, with the equatorial line on the map of the planet and with location of the edge of the plate, opposite said curvilinear edge of the plate, over one of said hemispheres of the map of the planet. There is a means of facilitating displacement of the semitransparent plate to a position where the edge of the plate, opposite said curvilinear edge of the plate, lies over the other of the hemispheres of the map of the planet with superposition of points of said curvilinear edge of the plate, which simulate node points, with the equatorial line on the map of the planet. The technical result is achieved through the proposed changes to the shape and size of the semitransparent plate, the proposed installation of the semitransparent plate and introduction into the board of the proposed means of facilitating displacement of the semitransparent plate to a new proposed position.

EFFECT: improved ergonomic capabilities of the board.

3 dwg