A relativity controller is a scroll bar/window combination that provides a way to see data in relation to both the context of its wholeness and the salience of its contents. To accomplish this, the linear density or other appearance of the scroll bar (acting as a ruler or scale) varies with the density...http://www.google.com/patents/US6219052?utm_source=gb-gplus-sharePatent US6219052 - Computer user interface with non-salience deemphasis
Computer user interface with non-salience deemphasis