Non-invasive, low cost method and apparatus for the...

Details Non-invasive, low cost method and apparatus for the... Non-invasive, low cost method and apparatus for the...

2008-01-15

2008-01-15

Lee, Benjamin C. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S641000, C713S002000, C713S340000

Reexamination Certificate

active

07319404

ABSTRACT:
A method and apparatus for permitting diagnostics in a PC is described. Signals, imperceptible to a user, are transmitted through the LED used to indicate on/off power status. A small hand-held device may be used for detecting and interpreting the signals and to provide a visual indication to the user of a particular problem.

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Int'l Search Report for PCT/US2005/021786, mailed Oct. 20, 2006, 4 pages.

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