G - Physics
02
B
88/96
G02B 26/10 (2006.01)
Patent
CA 2030100
A scanning device has a drive system to angularly reciprocate a rotatable mirror about an axis in a desired waveform in accordance with an excitation signal supplied by a programmable waveform generator. A position sensor generates a signal representing the actual waveform of reciprocation of the mirror, and a microprocessor determines a signal representing the error between the actual waveform and the desired waveform. The microprocessor includes a waveform optimizer that receives this error signal and delivers an excitation correction signal to the waveform generator to adjust the excitation signal from the waveform generator to cause the mirror to have an actual waveform substantially in accordance with the desired waveform.
As Represented By The Ministe R. Of National Defence Her Majesty The Queen In Right Of Canada
Kirby Eades Gale Baker
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