US 12,436,378 B2
On-gimbal telescope pointing assembly
Tim P. Johnson, Torrance, CA (US); and Chris Shreve, Celina, TX (US)
Assigned to Raytheon Company, Arlington, VA (US)
Filed by Raytheon Company, Waltham, MA (US)
Filed on Nov. 17, 2022, as Appl. No. 17/989,546.
Prior Publication US 2024/0168276 A1, May 23, 2024
Int. Cl. G02B 23/02 (2006.01); G02B 23/16 (2006.01)
CPC G02B 23/02 (2013.01) [G02B 23/165 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An on-gimbal telescope pointing assembly comprising:
a head mirror operable to rotate to adjust an elevation angle of the pointing assembly; and
an all-reflective telescope operable to rotate to adjust an azimuth angle of the pointing assembly, wherein the all-reflective telescope comprises:
a fold mirror defining an output coude path of the all-reflective telescope, wherein the pointing assembly is operable to rotate about the coude path; and
a plurality of mirrors, wherein at least one mirror of the plurality of mirrors is disposed off of an axis defined by the coude path, the at least one mirror balancing the all-reflective telescope during rotation.