Optical projection device
An optical projection device is provided. The optical projection device includes a light source, a housing, an imaging unit, a projection lens, and a dust-resisting element. The light source is suitable for providing a light beam, and the housing has a projection-lens-assembling opening. The imaging...
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| creator | LEE, SEA-HUANG CHENG, SHOUIH |
| description | An optical projection device is provided. The optical projection device includes a light source, a housing, an imaging unit, a projection lens, and a dust-resisting element. The light source is suitable for providing a light beam, and the housing has a projection-lens-assembling opening. The imaging unit is disposed on the optical path of the light beam in the housing. The projection lens is assembled on the projection-lens-assembling opening of the housing, and disposed by the projection-lens-assembling opening. The dust-resisting element is disposed between the projection lens and the projection-lens-assembling opening. The optical projection device has superior dust-resisting ability and provides higher display quality. |
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The optical projection device has superior dust-resisting ability and provides higher display quality.</description><edition>7</edition><language>eng</language><subject>ACCESSORIES THEREFOR ; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES ; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ; CINEMATOGRAPHY ; ELECTROGRAPHY ; HOLOGRAPHY ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>2006</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060401&DB=EPODOC&CC=TW&NR=I252367B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060401&DB=EPODOC&CC=TW&NR=I252367B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEE, SEA-HUANG</creatorcontrib><creatorcontrib>CHENG, SHOUIH</creatorcontrib><title>Optical projection device</title><description>An optical projection device is provided. 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| language | eng |
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| subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS |
| title | Optical projection device |
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