On-board light source based gain correction for semi-active...

Details On-board light source based gain correction for semi-active... On-board light source based gain correction for semi-active...

2007-10-02

2007-10-02

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C250S203100, C250S221000, C250S222100, C244S003130

Reexamination Certificate

active

11139098

ABSTRACT:
The invention provides a method and apparatus for correcting for gain changes in detectors in a guided vehicle. In one version of the invention, an on board light source is used to generate a reference set of detector gains, which are stored in computer memory. The on board light source is then pulsed at subsequent times and the signals generated by the detectors are compared to the reference set of detector gains to determine whether any gains have changed.

REFERENCES:
patent: 6262800 (2001-07-01), Minor
patent: 6717170 (2004-04-01), Worner
patent: 6864965 (2005-03-01), DeFlumere
patent: 7185845 (2007-03-01), Hartman et al.

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