Erectable reflector construction
    2.
    发明授权
    Erectable reflector construction 失效
    可反射器结构

    公开(公告)号:US3558219A

    公开(公告)日:1971-01-26

    申请号:US3558219D

    申请日:1967-05-10

    CPC classification number: H01Q1/08 B64G9/00 G02B5/08 H01Q15/161

    Abstract: AN ERECTABLE REFLECTOR CONSTRUCTION HAVING A HUB WITH A PLURALITY OF MULTI-HINGED RADIAL ARMS ATTACHED AT THEIR ONE END TO THE HUB AND HAVING CORRESPONDING RIGID SEGMENTS BETWEEN WHICH EXTEND THIN FLEXIBLE REFLECTOR MEMBRANES. IN THE STORED STATE DURING TRANSPORT INTO SPACE, THE ARMS ARE FOLDED ACCORDIAN-LIKE THE HUB AND THE REFLECTOR MEMBRANES ARE ROLLED UP BETWEEN RESPECTIVE SECTIONS OF THE FOLDED ARMS. IN THE RELEASED STATE DURING ERECTION IN SPACE, TORSION SPRING MEANS ON THE ARM HINGES ACT AS MOTOR MEANS WHICH CAUSE THE ARM SECTIONS TO UNFOLD THE CONTINUOUS ALIGNED POSITIONS AND THE MEMBRANES TO UNFURL AND STRETCH TAUT INTO FLAT CONFIGURATIONS DISPOSED IN A COMMON PLANE.

    Orbit position control of planar reflector satellites
    3.
    发明授权
    Orbit position control of planar reflector satellites 失效
    平面反射卫星的轨道位置控制

    公开(公告)号:US3588000A

    公开(公告)日:1971-06-28

    申请号:US3588000D

    申请日:1968-07-29

    CPC classification number: B64G1/407 B64G1/242

    Abstract: CONTROLLING THE ORBIT POSITION OF A PLANAR- REFLECTOR SATELLITE ORBITING A PLANET SUCH AS THE EARTH AND HAVING COMMANDABLE PITCH AND ROLL ATTITUDE CHANGING MEANS FOR AIMING SUCH SATELLITE TO REFLECT ENERGY FROM THE SUN TO A DESIRED AREA ON THE PLANET''S SURFACE. BY SUITABLE COMMAND OF THE PITCH AND ROLL ATTITUDE CHANGING MEANS DURING NONFUNCTIONAL PORTIONS OF EACH ORBIT CYCLE THE PLANAR REFLECTOR IS ORIENTATED RELATIVE TO THE SUN FOR CONTROLLING THE NET EFFECT OF SOLAR PRESSURE THEREON PER ORBIT TO ACCELERATE, DECELERATE, OR MAINTAIN AVERAGE VELOCITY OF THE SATELLITE, HENCE CONTROL ORBITAL PERIOD AND THE POSITION OF THE SATELLITE AT CORRESPONDING TIMES DURING SUCCESSIVE ORBITS.

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