
AKM's electronic compass, using Hall sensor technology on a CMOS chip, was discovered inside Apple's iPhone 3 and 4 by Chipworks.
Digital compass makers are hustling to avert a global shortage that could stunt sales of popular navigational electronics in vehicles, touch-screen tablets and nearly all smartphones, but automotive electronics manufactured near the stricken nuclear reactor in Japan are on indefinite hold.
Further Reading: http://bit.ly/NextGenLog-gizn