Communications: directive radio wave systems and devices (e.g. – Determining distance – With remote cooperating station
Patent
1998-11-20
2000-08-15
Gregory, Bernarr E.
Communications: directive radio wave systems and devices (e.g.,
Determining distance
With remote cooperating station
342 42, 342 44, 342 46, 342 47, 342 51, 342118, 342195, 342458, 342463, 473131, 473407, 2731082, 375200, G01S 514, A63B 7102, G01C 308
Patent
active
061043370
ABSTRACT:
A golf distance indicator system provides measurement and display of the distance between a golfer and the pin on the green he is approaching. The system comprises a portable unit carried by the golfer and an target unit located on the pin. With the portable unit, the golfer selects the hole he is playing then activates the system. The portable unit sends a wireless coded message to an intended target unit. When a target unit receives a message, it analyzes the message to see if it should respond. If the target unit determines that it should respond, it sends a coded responding message to the portable unit. When the portable unit receives a responding message, it analyzes the responding message to see if the responding message originates from the intended target unit. If it does, the portable unit calculates a distance based on the elapsed time for the communications and the speed of the communications. The results are displayed on the portable unit.
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Coutts Gordon
Goss Ken
Hendershot James
Subryan Leslie
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