Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2005-10-18
2005-10-18
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C324S501000, C324S762010
Reexamination Certificate
active
06956226
ABSTRACT:
A method for testing at least one light source on a printed circuit assembly, includes: detecting a light signal from a plurality of light sources on a printed circuit assembly; generating a plurality of electrical analog signals from an image array, in response to each of the detected light signals; multiplexing the plurality of electrical analog signals; digitizing the multiplexed electrical analog signals; and light signals from the image array; and verifying each of the electrical signals in a sequential manner.
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Bennewitz Hans Jurgen
Meyers Robert Louis
Hewlett--Packard Development Company, L.P.
Luu Thanh X.
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