Inavy name is keyboard trackball
A device which includes a sphere mounted in a small open-topped box. The sphere is hand-operated by rotating it in a backward, a forward, or a sideway direction while maintaining the device in a fixed location. The movement of the sphere generates a signal which may be used to move a cursor and/or tracking symbol on the face of a display, such as a cathode ray tube; to input data into an electronic system; and/or to control the operation of a system. It may or may not include additional input devices, such as switches or variable resistors.
Classification: Adp input/output units, nesoi
NSN 5996-01-600-0348
NSN 5996-01-337-6190
NSN 5960-00-171-9575
NSN 5895-01-141-4945
NSN 5960-01-380-0885
NSN 7035-01-543-4016
NSN 6220-01-212-4088
NSN 6145-01-659-4905
NSN 5855-01-270-6847
NSN 5915-01-288-0432
NSN 6320-00-174-1362
NSN 5950-01-364-1139