Event location determination

Details Event location determination Event location determination

2008-04-29

2010-02-09

Phan, Dao L (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

C342S357490

Reexamination Certificate

active

07659848

ABSTRACT:
A method of determining a location of an event of interest by processing signals from a satellite positioning system. The method comprises receiving recorded blocks of data samples of a satellite broadcast including blocks recorded at the approximate location of the event of interest, each block including one or more timestamps generated within a first portable device at which the samples were recorded; receiving a time of occurrence of the event recorded independently of the samples; comparing the timestamps and the time of occurrence to identify at least one block corresponding to the event; and processing the data samples of the identified at least one block to derive position information approximating the location of the event.

REFERENCES:
patent: 7455224 (2008-11-01), Kochevar et al.
patent: 2005/0171663 (2005-08-01), Mittelsteadt et al.
patent: 2009/0065578 (2009-03-01), Peterson et al.
Website printout from http://www.pentaxuser.co.uk/pages
ews
ws—gpsbundle.html; 1 page; downloaded Mar. 12, 2008.
Website printout from http://www.photographyblog.com/index.php/weblog/comments/geotate—gps—for—digital—cameras/; 2 pages; downloaded Mar. 13, 2008.

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