Calfee, Halter & Griswold LLP
Levelness detecting device and method, levelness adjusting device and method
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.
BOE TECHNOLOGY GROUP CO., LTD. HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD
G G
G01C G01C
inventional additional
Dong Zhixia Xiang Dong
Han Liao Zhou Guo