US 6,982,638 B2 | ||
Self-canceling turn signal | ||
John David Bernosky, Ashland, Pa. (US) | ||
Assigned to Mack Trucks, Inc., Allentown, Pa. (US) | ||
Filed on Dec. 09, 2003, as Appl. No. 10/730,037. | ||
Prior Publication US 2005/0122215 A1, Jun. 09, 2005 | ||
Int. Cl. B60Q 1/40 (2006.01) |
U.S. Cl. 340—476 | 20 Claims |
1. A self-canceling turn signal comprising:
an inner wheel rotating at an inner velocity;
an outer wheel rotating at an outer velocity;
a differential signal substantially proportional to a difference between said inner and outer velocities; and
a turn signal responsive to said differential signal, said turn signal signaling a turn while said differential signal is
greater than a predetermined differential signal.
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