Invention Grant
- Patent Title: Levelness detecting device and method, levelness adjusting device and method
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Application No.: US15022270Application Date: 2015-09-10
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Publication No.: US09733078B2Publication Date: 2017-08-15
- Inventor: Xiang Zhou , Dong Guo , Zhixia Liao , Dong Han
- Applicant: Boe Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
- Applicant Address: CN Beijing CN Anhui
- Assignee: BOE TECHNOLOGY GROUP CO., LTD.,HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD
- Current Assignee: BOE TECHNOLOGY GROUP CO., LTD.,HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD
- Current Assignee Address: CN Beijing CN Anhui
- Agency: Calfee, Halter & Griswold LLP
- Priority: CN201510222073 20150504
- International Application: PCT/CN2015/089300 WO 20150910
- International Announcement: WO2016/176940 WO 20161110
- Main IPC: G01C9/06
- IPC: G01C9/06
Abstract:
The present disclosure discloses a levelness detecting device and method, and a levelness adjusting device and method. The levelness detecting device comprises a light emitter, a semi-reflecting, semi-transmitting mirror, and a plurality of reflecting mirrors comprising a first reflecting mirror, a second reflecting mirror and a third reflecting mirror. The semi-reflecting, semi-transmitting mirror and the plurality of reflecting mirrors are arranged on a to-be-detected plane and are each provided with a scale indicative of a height.
Public/Granted literature
- US20170160085A1 LEVELNESS DETECTING DEVICE AND METHOD, LEVELNESS ADJUSTING DEVICE AND METHOD Public/Granted day:2017-06-08
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