发明名称 |
LENS UNIT, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS |
摘要 |
A lens unit includes a tube lens; a single lens arranged at a downstream side with respect to the tube lens in an optical incidence direction; and a supporting member that supports the tube lens and the single lens. Reflection light from a document is condensed on an image sensor by the tube lens and the single lens to form an image. An end surface part, not facing the tube lens, of the single lens is in direct contact with the supporting member. |
申请公布号 |
US2015131173(A1) |
申请公布日期 |
2015.05.14 |
申请号 |
US201414527988 |
申请日期 |
2014.10.30 |
申请人 |
SUGAI Atsushi;FUJIMOTO Tsuyoshi |
发明人 |
SUGAI Atsushi;FUJIMOTO Tsuyoshi |
分类号 |
H04N1/028;G02B7/02 |
主分类号 |
H04N1/028 |
代理机构 |
|
代理人 |
|
主权项 |
1. A lens unit comprising:
a tube lens; a single lens arranged at a downstream side with respect to the tube lens in an optical incidence direction; and a supporting member that supports the tube lens and the single lens, wherein reflection light from a document is condensed on an image sensor by the tube lens and the single lens to form an image, and an end surface part, not facing the tube lens, of the single lens is in direct contact with the supporting member. |
地址 |
Kanagawa JP |