A GPS device and method for converting display information between a first display mode and a second display mode by negativizing pixels or other image elements, wherein negativizing entails converting relatively larger areas of lighter image elements to darker image elements and converting relatively smaller areas of darker image elements to lighter image elements so as to result in reduced total emission of light.

 
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< GPS device and integrated circuit with an on-chip gyrator

> Methods and systems for acquisition, reacquisiton and tracking of weak navigational signals

~ 00490