SPEED DISPLAY DEVICE BY USING SATELLITE POSITIONING FUNCTION
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United States of America Patent
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Issued Date -
Jun 11, 2015
app pub date -
Feb 21, 2014
filing date -
Dec 10, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A speed display device includes a wearing unit to which a display unit is connected. The display unit has a lighting module. A satellite positioning unit is connected to the wearing unit and the display unit. The satellite positioning unit has a processing module which is wirelessly connected with a global satellite system and receives at least one position-time signal of the wearing unit from the global satellite system. The processing module calculates a movement speed of the wearing unit according to the at least one position-time signal, and the movement speed is displayed by the lighting module. The drivers behind the wearer are acknowledged the clear and precise speed information to avoid from making a wrong judgment.
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