|
|
|
National Stock Number:
5895-01-587-7443
Federal Supply Class:
5895
National Item Identification Number:
015877443
Description:
TRACKBALL,DATA ENTRY
Detail:
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.
|
Manufacturer Information:
| 20705945 ITEM 49 | 3CX85 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | | 20705945-102 | 3CX85 | GENERAL DYNAMICS MISSION SYSTEMS, INC. |
|
|
|
|