| 摘要 |
An automatic ground marking apparatus including a carriage ( 1 ) responsive to carriage control signals for traversing the ground ( 5 ), the carriage having a controllable steering and drive system, a controllable marking system and a position determining system ( 6 ) arranged to determine the position of the carriage. The ground marking apparatus further includes a processor ( 8 ) responsive to the position determining system and operatively executing a software product for generating the carriage control signals to cause the carriage ( 1 ) to mark out a predetermined sign ( 14 ) on the ground. The position determining system ( 6 ) suitably employs a laser beam ( 4 ) and reflective tracking prism ( 2 ), and the predetermined sign may be defined by data points stored in a file ( 9 ) accessed by the processor ( 8 ) (FIG. 1 ).
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