Arrangement for locating a parked vehicle

Details Arrangement for locating a parked vehicle Arrangement for locating a parked vehicle

2006-05-25

2009-02-24

Lee, Benjamin C (Department: 2612)

Communications: electrical

Vehicle parking indicators

C342S123000, C342S357490, C342S462000

Reexamination Certificate

active

07495580

ABSTRACT:
The invention relates to an apparatus for finding a parked vehicle again. According to the invention, a portable unit is provided with a pressure sensor whose signals can be evaluated by an evaluation and control unit in order to determine the current air pressure, with the evaluation and control unit evaluating the determined air pressure in order to determine altitude, and storing a first air pressure value as a reference value at a predeterminable first time, which reference value represents an instantaneous altitude of a geographic position of the parked vehicle, with the evaluation and control unit estimating a height difference between a current geographic position of the portable unit and the geographic position of the parked vehicle at a second time, and/or continuously from a pressure difference between the determined current air pressure value and the reference value.

REFERENCES:
patent: 6590534 (2003-07-01), Kroll et al.
patent: 6696927 (2004-02-01), Flick
patent: 6864800 (2005-03-01), Leichtfried et al.
patent: 7057520 (2006-06-01), Bartz et al.
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patent: 2002106217 (2002-04-01), None
PCT International Search Report dated Jul. 11, 2007 with English translation of relevant portion (eleven (11) pages).

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