Projection ring

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United States of America Patent

PATENT NO 9477146
APP PUB NO 20150341606A1
SERIAL NO

14443334

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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.

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First Claim

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Patent Owner(s)

  • BOE TECHNOLOGY GROUP CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Yanshun Beijing, CN 16 115
Li, Yaohui Beijing, CN 21 197
Xu, Qiushi Beijing, CN 9 76

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