The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 05, 2013

Filed:

Aug. 18, 2011
Applicants:

Wen-yung Yeh, Hsinchu County, TW;

Chia-hsin Chao, Taichung, TW;

Yu-hung Chuang, New Taipei, TW;

Chia-ling LI, New Taipei, TW;

Chun-feng Lai, Taichung, TW;

Hsi-hsuan Yen, Taipei, TW;

Sheng-chieh Tai, Taichung, TW;

Kuang-yu Tai, Hsinchu, TW;

Tse-peng Chen, Hsinchu, TW;

Inventors:

Wen-Yung Yeh, Hsinchu County, TW;

Chia-Hsin Chao, Taichung, TW;

Yu-Hung Chuang, New Taipei, TW;

Chia-Ling Li, New Taipei, TW;

Chun-Feng Lai, Taichung, TW;

Hsi-Hsuan Yen, Taipei, TW;

Sheng-Chieh Tai, Taichung, TW;

Kuang-Yu Tai, Hsinchu, TW;

Tse-Peng Chen, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A projection apparatus is provided. The projection apparatus includes a light-emitting unit array, an optical sensor, and a control unit. The light-emitting unit array is for emitting an image beam. The optical sensor is for detecting electromagnetic waves so as to generate a signal. The control unit is electrically coupled to the light-emitting unit array and the optical sensor for controlling emission of the light-emitting unit array according to the signal from the optical sensor.


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