Color bargraph display control for use with a cathode ray tube
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United States of America Patent
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Dec 13, 1994
Issued Date -
N/A
app pub date -
Jun 11, 1993
filing date -
Nov 3, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for displaying a bar image in two colors on a screen of a cathode ray tube are disclosed. The device includes a first memory for storing the information to be displayed, including the first color, and a second memory for storing the screen addresses where the images are to be displayed in a second color. It also includes a microprocessor for selecting information from the first memory to be displayed at specific addresses on the screen. When the address for display is the same as one stored in the second memory, the microprocessor causes information to be displayed in the second color instead of the first color.
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