As I read it, The dispute is focused on how ephemeris information
describing satellite positions at any given time is distributed out of
band on an IP network and cached in a client device so a GPS can achieve
a quicker fix, since it doesn't need to wait to lookup the data
downloaded from a satellite.
I looked this stuff up, when I heard that iPhone is using broadcom
technology, but can't find a pointer to the facts :-(
I'm sure some gps geeks here can explain the finer points.
Landon Blake wrote:
It sounds like SiRF got spanked hard:
http://cp.gpsworld.com/gpscp/Mass+Market+OEM+News/ITC-Says-SiRF-Infringes-Six-Broadcom-Patents/ArticleStandard/Article/detail/535148?contextCategoryId=39059
Was this a fair decision, or has Broadcom been providing escort
services for ITC judges? :]
Landon
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