Picture distortion correcting device for movable type ccd image pickup device

Abstract

Abstract PURPOSE:To correct the distortion of a picture due to alignment and the tilt of a spin axis generated or changed after satellite launching by rotating a CCD in optical axis rotation. CONSTITUTION:In movable type CCD(charge coupled device) image pickup device 1, when it becomes an upward abnormal locus for an angle theta, a detecting part 4 detects a drift angle theta by a picture data output (c) of the CCD 1 and outputs a correcting requesting signal (d) to rotate the CCD 1 for the angle thetacounterclockwise to eliminate the drift angle theta to a control part 5. The control part 5 impresses a control voltage on piezo elements 3a to 3d corresponding to the correcting requesting signal (d), rotates the CCD 1 with expanding or shrinking and eliminates the drift angle. Thus, the distortion of a picture due to alignment and the tilt of a spin axis generated or changed after satellite launching can be corrected.

Inventors

• 👤 Tsukasa Morisato
• 👤 司 森里
• 👤 Kazuhide Noguchi
• 👤 一秀 野口

Bibliographic Details