G - Physics – 02 – B
Patent
G - Physics
02
B
375/49, 88/96.8
G02B 26/10 (2006.01) G06K 7/10 (2006.01)
Patent
CA 1331232
ABSTRACT OF THE DISCLOSURE A resonant scanning unit utilizes a "tuning fork" design with a mirror mounted on one arm of the tuning fork and a counterbalance mass mounted on the other arm. A voice coil electromagnetic motor mounted between the arms causes the arms to move in opposite directions. Light generated by a line of LEDs is reflected from the oscillating mirror to generate a raster display. Reaction forces generated by the motions of the mirror and counterbalance mass cancel at the device base, reducing vibration. In addition, the inventive structure allows placement of the mirror pivot point away from the center of the mirror which allows display devices constructed with the structure to be reduced in size.
601130
Reflection Technology Inc.
Swabey Ogilvy Renault
LandOfFree
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