Image motion compensator

Claim 1

AN IMAGE STABILIZING DEVICE FOR AN OPTICAL SYSTEM SUBJECT TO RANDOM ANGULAR MOVEMENT COMPRISING A PAIR OF SPACED TRANSPARENT PLATES DISPOSED TRANSVERSE TO THE AXIS OF COLLIMATION OF THE SYSTEM, A SEAL PERIPHERALLY SUPPORTED ABOUT SAID PLATES, A TRANSPARENT LIQUID MEDIUM INTERPOSED BETWEEN SAID PLATES AND ENCAPSULATED BY SAID SEAL SO AS TO FILL THE SPACE THEREBETWEEN, PIVOTAL MEANS PERIPHERALLY COUPLING SAID PLATES WITH RESPECT TO EACH OTHER ALONG ONE DAMETRICAL AXIS, SECOND PIVOTAL MEANS COUPLING SAID PLATES WITH RESPECT TO EACH OTHER ALONG A SECOND DIAMETRICAL AXIS DISPOSED PERPENDICULAR TO THE FIRST MENTIONED DIAMETRICAL AXIS, AND MEANS RESPONSIVE TO THE ANGULAR MOVEMENT OF THE OPTICAL SYSTEM ACTUATING SAID FIRST AND SECOND PIVOTAL MEANS AND VARYING THE ANGULAR DISPOSITION OF SAID PLATES WITH RESPECT TO ONE ANOTHER WHEREBY THE PRISMATIC SHAPE OF THE LIQUID MEDIUM MAY BE ALTERED AND THE ARRIS THEREOF ORIENTED IN AZIMUTH TO DEVIATE A RAY OF LIGHT TRANSMITTED THERETHROUGH COMPENSATORY TO THE RESULTANT ANGULAR MOVEMENT.