Scanning type display optical system and scanning type image...

Details Scanning type display optical system and scanning type image... Scanning type display optical system and scanning type image...

2005-02-22

2005-02-22

Thompson, Tim (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S662000, C359S718000, C359S205100, C359S206100, C359S216100, C359S217200

Reexamination Certificate

active

06859329

ABSTRACT:
A scanning type display optical system which is small in size and can display images by two-dimensionally scanning light is disclosed. The scanning type display optical system scans light from a light source in a first direction by a first scanning device, and scans light from the first scanning device in a second direction by a second scanning device. Between the first scanning device and the second scanning device, a light guide optical system which includes at least one rotationally asymmetric reflective surface to guide light from the first scanning device to the second scanning device is provided.

REFERENCES:
patent: 3995944 (1976-12-01), Queeney
patent: 5025268 (1991-06-01), Arimoto et al.
patent: 5710654 (1998-01-01), Ota
patent: 6282008 (2001-08-01), Togino
patent: 1225 470 (2002-07-01), None
patent: 2001-281583 (2001-10-01), None
JPO Patent Abstract and English Translation of JP 2000-180759.
JPO Patent Abstract and English Translation of JP 2000-281583.
Kogaku Gijutsu Contact vol. 21, No. 6-7 (w/o English translation).

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