Communications: electrical – Land vehicle alarms or indicators – Of relative distance from an obstacle
Reexamination Certificate
2006-03-07
2006-03-07
Goins, Davetta W. (Department: 2632)
Communications: electrical
Land vehicle alarms or indicators
Of relative distance from an obstacle
C340S436000, C340S903000, C180S167000, C180S169000, C342S042000, C342S070000, C701S301000
Reexamination Certificate
active
07009501
ABSTRACT:
The system and method of the present invention optically transmits redundant packets of data using infrared signals at pseudo-random intervals to allow a receiver to distinguish between multiple simultaneous sources. The emitters repeatedly transmit a short packet at randomized intervals much shorter than the frame rate. Statistical analysis shows that the probability of collision of the desired packet with a packet from some other source is sufficiently low such that timely reception of at least one uncorrupted packet in the required time frame is assured.
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Disney Enterprises, Inc.
Goins Davetta W.
Greenberg & Traurig, LLP
Gupta, Esq. Neer
Maddux Margo
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