Abstract: A radiant energy utilization device including an aiming detector sensing the relative angle of radiation received and outputting signals in accordance therewith to control aiming of the device or portions thereof or for other purposes.
Abstract: Apparatus for converting multi-directional input to uni-directional output having a plurality of drivers rotated by the input and moveable to alternate positions with respect to opposed surfaces on the output driven member for frictional drive of the driven member. The drivers are moved to alternate positions automatically upon change of direction of the input.