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 6110-01-463-6986
NSN 7035-01-476-7316
NSN 5960-00-082-0493
NSN 6135-01-204-8712
NSN 5998-01-459-7129
NSN 6145-01-382-7856
NSN 5925-01-317-6721
NSN 5990-00-932-3070
NSN 6240-01-020-3440
NSN 5960-01-459-4944
NSN 6220-00-937-9053
NSN 5985-01-274-0342