Variable color display system for comparing exhibited value with limit
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United States of America Patent
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May 11, 2004
Issued Date -
N/A
app pub date -
Jun 16, 1999
filing date -
Jan 15, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A variable color optical device repeatedly develops a start signal and two end signals respectively timed in relation to the start signal in accordance with the values of two sets of data. Two stable signals are developed, each from the start signal to the respective end of signal. Two control signals are applied, in accordance with the two stable signals, for respectively forwardly biasing the light emitting diodes of two primary colors.
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Cited Art Landscape
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