Indicator feedback mechanism

Details Indicator feedback mechanism Indicator feedback mechanism

2006-10-31

2006-10-31

Goins, Davetta W. (Department: 2612)

Communications: electrical

Visual indication

C340S540000, C340S815420, C340S815450, C362S551000

Reexamination Certificate

active

07129851

ABSTRACT:
An indicator assembly for a computer system can comprise a light guide for directing light from an indicator light source to an exterior panel of the computer system. The assembly can also comprise a photodetector configured to receive a portion of the light transmitted by the light guide. The photodetector can produce a signal representative of the portion of light received. For example, the photodetector may produce a signal representative of the color and/or intensity of the portion of light received. Using the signal representative of the portion of light received, components such as a controller can test for the presence of faults.

REFERENCES:
patent: 4996655 (1991-02-01), Chadwick et al.
patent: 5754112 (1998-05-01), Novak
patent: 5790374 (1998-08-01), Wong
patent: 6231224 (2001-05-01), Gamble et al.
patent: 6867701 (2005-03-01), Lawrence et al.
patent: 6895183 (2005-05-01), Shimomura et al.

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