×

Antenna stabilization and enhancement by rotation of antenna feed

  • US 4,786,912 A
  • Filed: 07/07/1986
  • Issued: 11/22/1988
  • Est. Priority Date: 07/07/1986
  • Status: Expired due to Fees
First Claim
Patent Images

1. An antenna system comprising,support means (101, 102) comprising an open-ended yoke means mounted on a base wherein the support means is rotatable about an axis thereof extending vertically from said base and through said yoke means,first drive means (151) for selectively rotating said support means about said axis of said support means,reflector means (105) comprising a reflector dish for reflecting signals from a feed assembly pivotally mounted on said support means,second drive means (110) for selectively rotating said reflector means about an axis of said reflector means,feed assembly means (111, 112, 113) mounted in said support means adjacent to said reflector means,said feed assembly means including means for generating an RF signal and a horn for transmitting said RF signal,third drive means (117) for selectively rotating said feed assembly means about an axis of said feed assembly means,sub-reflector means mounted adjacent to and spaced from said reflector dish in a skewed fashion relative to said reflector dish, andstepper motor means arranged to drive said sub-reflector means in a rotary fashion about an axis of said sub-reflector means.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×