Patent EP0552825A2 successfully refreshed from Google Patents.
EP0552825A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Rotational scanning member
Assignee: Canon Inc
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Filing: 1988-01-28
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Granted: —
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Expires: 2008-01-28
Abstract
Abstract A rotational scanning member for use in a laser scanning apparatus, wherein a laser beam generated from a light source is reflected by the rotational scanning member and scanned onto an object surface, said rotational scanning member having one or more effective surfaces capable of reflecting the laser beam onto said object surface. The scanning member has one or more ineffective surfaces having a circular shape incapable of causing the laser beam to reach said object surface.
Inventors
- 👤 Yoshinori Sugiura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 19:12
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/18; G02B7/182; G02B7/1821; B; B41; B41J; B41J2/00; B41J2/435; B41J2/47; B41J2/471; G02B5/00; G02B5/08; G02B5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A rotational scanning member for use in a laser scanning apparatus, wherein a laser beam generated from a light source is reflected by the rotational scanning member and scanned onto an object surface, said rotational scanning member having one or more effective surfaces capable of reflecting the laser beam onto said object surface, characterized in that said scanning member has one or more ineffective surfaces having a circular shape incapable of causing the laser beam to reach said object surface.
Claim 2
Dependent Claim
23 words
A member according to claim 1, wherein a center of the circular shape is coaxial with a rotational axis of said scanning member.
References Cited (Backward Citations)
No citation records indexed.
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