Invention Grant
- Patent Title: Projection ring
- Patent Title (中): 投影环
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Application No.: US14443334Application Date: 2015-04-21
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Publication No.: US09477146B2Publication Date: 2016-10-25
- Inventor: Qiushi Xu , Yanshun Chen , Yaohui Li
- Applicant: BOE Technology Group Co., Ltd.
- Applicant Address: CN Beijing
- Assignee: BOE Technology Group Co., Ltd.
- Current Assignee: BOE Technology Group Co., Ltd.
- Current Assignee Address: CN Beijing
- Agency: Banner & Witcoff, Ltd.
- Priority: CN201420213546 20140428
- International Application: PCT/CN2015/077064 WO 20150421
- International Announcement: WO2015/165343 WO 20151105
- Main IPC: G03B21/30
- IPC: G03B21/30 ; H04N9/31 ; G06F3/042 ; G06F3/0488 ; G03B17/04 ; H04N9/00 ; A44C9/00 ; G06F3/01 ; G06F3/00
Abstract:
Disclosed is a projection ring, including an annular body; a telescopic portion disposed on the annular body; and a projector disposed on the telescopic portion. The location of the projector on the projection ring is easily adjustable, thus it's convenient to adjust the size of the picture as projected or the projection angle.
Public/Granted literature
- US20150341606A1 Projection Ring Public/Granted day:2015-11-26
Information query
