Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2006-09-29
2010-12-14
Kim, Ahshik (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S455000
Reexamination Certificate
active
07850083
ABSTRACT:
A method and firmware for digitally controlling an electro-optical device include steps of receiving as input a first analog signal representative of a measured parameter from an electro-optical device generated by the electro-optical device in response to a second analog signal representative of a set parameter received by the electro-optical device, digitizing the first analog signal to generate a digital feedback value, subtracting the digital feedback value from a digital set point value to calculate a digital error value, calculating a digital cumulative error sum from the digital error value, calculating a digital control value as a function of the cumulative error sum, converting the digital control value to the second analog signal, and driving the electro-optical device toward the digital set point value with the second analog signal.
REFERENCES:
patent: 7381935 (2008-06-01), Sada et al.
patent: 7421308 (2008-09-01), Nussbaum et al.
patent: 7608806 (2009-10-01), Draper et al.
patent: 2007/0069155 (2007-03-01), Mirro et al.
Sanchez Alicia
Sanchez-Olea Jorge
Kim Ahshik
Schwabe Williamson & Wyatt P.C.
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