Invention Grant
US08267529B2 Optical device having reflecting member attached to housing and projector having optical device
有权
具有附接到壳体的反射部件和具有光学装置的投影仪的光学装置
- Patent Title: Optical device having reflecting member attached to housing and projector having optical device
- Patent Title (中): 具有附接到壳体的反射部件和具有光学装置的投影仪的光学装置
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Application No.: US12706281Application Date: 2010-02-16
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Publication No.: US08267529B2Publication Date: 2012-09-18
- Inventor: Shohei Fujisawa , Hidetoshi Hashizume , Toshihiro Hieda , Kazuyuki Iinuma
- Applicant: Shohei Fujisawa , Hidetoshi Hashizume , Toshihiro Hieda , Kazuyuki Iinuma
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Main IPC: G03B21/28
- IPC: G03B21/28 ; G03B21/22
Abstract:
An optical device includes: a housing; and a reflection member disposed at a predetermined position within the housing, the housing includes a receiving opening through which the reflection member is inserted to be accommodated in the housing, and an attachment unit to which the reflection member is attached, the reflection member includes a front portion which has a reflection area for reflecting supplied light, a back portion positioned on the side opposite to the front portion, and a fixing unit positioned within the surface of the back portion and fixed to the attachment unit, and the fixing unit has an opening into which a position control jig inserted in an attachment direction of attaching the reflection member to the attachment unit through the receiving opening is inserted.
Public/Granted literature
- US20100208218A1 OPTICAL DEVICE AND PROJECTOR Public/Granted day:2010-08-19
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