Road structure – process – or apparatus – Apparatus – Automatic control
Reexamination Certificate
2006-04-18
2006-04-18
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Apparatus
Automatic control
C404S093000
Reexamination Certificate
active
07029199
ABSTRACT:
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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Johnson Matthew J
Mayfield Ian
Edgeroi Pty. Ltd.
Hartmann Gary S.
Smith Gambrell & Russell
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