Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Reexamination Certificate
2011-03-08
2011-03-08
Cherry, Euncha P (Department: 2872)
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
Reexamination Certificate
active
07903312
ABSTRACT:
The present invention provides an optical scanning device, an imaging display device and a retinal scanning display which can be further miniaturized. The optical scanning device includes a vertical scanning system for scanning an incident optical flux in a primary direction and a horizontal scanning system for scanning the optical flux scanned in a secondary direction intersecting the primary direction. The optical scanning device further includes a relay optical system arranged between a Galvano mirror in the vertical scanning system and a Galvano mirror in the horizontal scanning system. The relay optical system includes at least a condensing mirror for guiding the optical flux scanned in the primary direction by the Galvano mirror in the vertical scanning system to the Galvano mirror in the horizontal scanning system.
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Brother Kogyo Kabushiki Kaisha
Cherry Euncha P
Oliff & Berridg,e PLC
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