| 摘要 |
A gyroscopically stabilized apparatus for aiming an instrument at a target object. An external yoke is attached to the ends of a hub assembly which supports the gyro and camera platforms for rotation about pan, tilt and roll axes. The yoke is associated with an externally located vibration damping system interposed between the yoke and the support arm attached to the helicopter or other transporting vehicle. This makes possible a greater degree of helicopter pitch and roll without having any support structure impact the gyro and camera. In one embodiment the platforms are associated with separately rotatable hemispheres joined to provide a spherical fairing. In another embodiment the hemispheres are attached together for common rotation about pan and tilt axes.
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