Invention Grant
US07898738B2 Lens array, manufacturing method thereof, LED head having lens array, exposure device having LED head, image forming apparatus having exposure device, and reading apparatus
有权
透镜阵列及其制造方法，具有透镜阵列的LED头，具有LED头的曝光装置，具有曝光装置的图像形成装置和读取装置
- Patent Title: Lens array, manufacturing method thereof, LED head having lens array, exposure device having LED head, image forming apparatus having exposure device, and reading apparatus
- Patent Title (中): 透镜阵列及其制造方法，具有透镜阵列的LED头，具有LED头的曝光装置，具有曝光装置的图像形成装置和读取装置
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Application No.: US12230908Application Date: 2008-09-08
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Publication No.: US07898738B2Publication Date: 2011-03-01
- Inventor: Akihiro Yamamura
- Applicant: Akihiro Yamamura
- Applicant Address: JP Tokyo
- Assignee: Oki Data Corporation
- Current Assignee: Oki Data Corporation
- Current Assignee Address: JP Tokyo
- Agency: Rabin & Berdo, PC
- Priority: JP2007-234442 20070910; JP2008-211094 20080819
- Main IPC: G02B27/10
- IPC: G02B27/10
Abstract:
An exposure device is provided that has a light emitting unit having a plurality of light emitting elements and a lens array having a pair of lenses having a first lens and a second lens, the lens array having a shielding unit for shielding a light from any one of the pair of lenses, wherein a formula EC
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