Color-changeable warning apparatus of vehicle meter

Details Color-changeable warning apparatus of vehicle meter Color-changeable warning apparatus of vehicle meter

2007-07-24

2007-07-24

Pope, Daryl C (Department: 2612)

Communications: electrical

Visual indication

C340S461000, C340S438000, C340S441000, C362S060000

Reexamination Certificate

active

11049983

ABSTRACT:
A color-changeable warning apparatus of a vehicle meter transforms a measured value of the target position into a first digital signal and adopts a setting value as a second digital signal. The first digital signal and the second digital signal are compared by a comparison program, wherein the parameter comparison result is read by a processing unit so as to trigger a light-emitting device of a light-outputting group to change the outputted light color thereby achieving the warning purpose.

REFERENCES:
patent: 4415855 (1983-11-01), Dubauskas
patent: 5284108 (1994-02-01), Furuya
patent: 5376917 (1994-12-01), Yoshimoto et al.
patent: 5636145 (1997-06-01), Gorman et al.
patent: 6302551 (2001-10-01), Matumoto
patent: 6802276 (2004-10-01), Sugimoto

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