Optical scanning unit, and apparatus including the optical scanning unit

Optical scanning unit, and apparatus including the optical scanning unit

An optical scanning unit (5) includes a light source (10), an optical deflector (20) that includes a light transmission window (20b, 22b, 24b, 26b) disposed on a light path from the light source (10) and a rotatable mirror (20c) that includes a reflecting surface to reflect light that goes through t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ICHII DAISUKE
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:An optical scanning unit (5) includes a light source (10), an optical deflector (20) that includes a light transmission window (20b, 22b, 24b, 26b) disposed on a light path from the light source (10) and a rotatable mirror (20c) that includes a reflecting surface to reflect light that goes through the light transmission window (20b, 22b, 24b, 26b) into the light transmission window (20b, 22b, 24b, 26b) and to deflect the light from the light source (10) toward a surface, and a light shield (30) disposed on a light path of reflected light of the light from the light source (10) reflected by a surface of the light transmission window (20b, 22b, 24b, 26b).