tracker ball การใช้

• Marcia tries to find him through her magic and even enlists Simon's help through his tracker ball, Sleuth.
• Large and well made ones allow easier high precision work, for which reason they may still be used in these applications ( where they are often called " tracker balls " ) and in computer-aided design.
• The series of toys go by the name Zoam Light Tracker balls, and they have footballs ( some with the little fins on one end that make perfect spirals easy to throw ), basketballs, soccer balls, super bouncy balls and a flying disc.
• This included patenting the use of an interlaced cursor controlled by a tracker ball to link displays to stored digital information, the first ever digital compression of video data, and the creation of the navy s first digital data link and network which is still in use NATO-wide as " Link 11 ".