Title:
SUBORDINATE MIRROR DRIVING MECHANISM
Document Type and Number:
Japanese Patent JPH04291311
Kind Code:
A
Abstract:
PURPOSE:To suppress the gravitational deformation of the subordinate mirror of a telescope and to rotate the subordinate mirror on two axes. CONSTITUTION:Plural hydraulic bellows 5a or cylinders are supported on the subordinate mirror 1, coupled by a pipe 7a, and grouped; and driving bellows 6a or cylinders are coupled, group by group, by the pipe 7a and provided, and the driving bellows or pistons 10a of the cylinders are actuated by an actuator 9a to drive the subordinate mirror 1.
Inventors:
ITO NOBORU
Application Number:
JP8143591A
Publication Date:
October 15, 1992
Filing Date:
March 20, 1991
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G02B23/02; (IPC1-7): G02B23/02
Attorney, Agent or Firm:
Hiroshi Murakami (1 outside)