Patent Number: 6,297,796

Title: Ink saver apparatus and method for use in a test and measurement instrument

Abstract: An apparatus and method for inverting a color display on a dark backgroundto produce a display on a substantially white background suitable forprinting, includes the element of maintaining the same apparent relativeintensities in both the LCD display on a dark background and the hardcopydisplayed on a light background. The apparatus includes a memory includinga first palette for the LCD display, a second palette for the hardcopydisplay, and a look-up table. A controller accesses the first and secondpalettes and look-up table for converting display data from LCD data tocolor-inverted printer data.

Inventors: Letts; Peter J. (Beaverton, OR), Maguire; David P. (Beaverton, OR)


International Classification:

Expiration Date: 10/02/2013