Computer graphics processing and selective visual display system – Image superposition by optical means – Operator body-mounted heads-up display
Patent
1992-05-15
1994-08-02
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Image superposition by optical means
Operator body-mounted heads-up display
345 7, 359201, 359630, G09G 302
Patent
active
053349911
ABSTRACT:
A mechanical scanning dual-image display device utilizes two separate scanning mirror mechanisms with a common control that forces the scanning mirrors to move in opposition, and substantially cancel reaction forces. This cancellation is accomplished by providing each of the mirrors with an individual drive mechanism, commonly controlling the two drive mechanisms and arranging the geometry of each display so that the reaction forces acting on the overall display as a result of the mirror motion cancel. In a second embodiment, vibrations are reduced by driving both mirror assemblies from a common source. More specifically, both mirrors are oscillated by an eccentric and linkage mechanism driven by a common motor.
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Feldstein Michael A.
Hutner Greg
Smith Frank D.
Wells Benjamin A.
Oberley Alvin E.
Oh Minsun
Reflection Technology
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