Vehicle location device

Details Vehicle location device Vehicle location device

2005-03-29

2005-03-29

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539230, C342S118000, C367S099000

Reexamination Certificate

active

06873257

ABSTRACT:
A position locating device for identifying the distance and direction from a first object located with a user to a second object. The first object transmits a signal to the second object. The second object returns a signal to the first object. Microphones are arranged around the first object such that the time at which a microphone receives the returned signal is related to the direction of the second object relative to the first object. A receiver located at the first object decodes and analyzes the signal and its intensity to determine the distance of the second object.

REFERENCES:
patent: 6127931 (2000-10-01), Mohr
patent: 6529131 (2003-03-01), Wentworth
patent: 20040027244 (2004-02-01), Menard

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