Invention Grant
- Patent Title: Duct cover for an image projection apparatus
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Application No.: US14453870Application Date: 2014-08-07
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Publication No.: US09606426B2Publication Date: 2017-03-28
- Inventor: Naoyuki Ishikawa , Tetsuya Fujioka , Hideo Kanai , Akihisa Mikawa , Masamichi Yamada , Yasunari Mikutsu , Satoshi Tsuchiya , Yukimi Nishi
- Applicant: Naoyuki Ishikawa , Tetsuya Fujioka , Hideo Kanai , Akihisa Mikawa , Masamichi Yamada , Yasunari Mikutsu , Satoshi Tsuchiya , Yukimi Nishi
- Applicant Address: JP Tokyo
- Assignee: RICOH COMPANY, LTD.
- Current Assignee: RICOH COMPANY, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2013-168231 20130813
- Main IPC: G03B21/16
- IPC: G03B21/16 ; H04N9/31 ; G03B21/20 ; G03B21/14
Abstract:
An image projection apparatus includes: a grid portion provided on a housing of the apparatus and having a plurality of grids through which air flows in or out of the apparatus. The grid portion includes an edge portion of the grid portion, and a central portion of the grid portion, having a thickness thicker than a thickness of the edge portion of the grid portion.
Public/Granted literature
- US20150049311A1 IMAGE PROJECTION APPARATUS Public/Granted day:2015-02-19
Information query
