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:
Jan. 08, 2013

Filed:

May. 20, 2010
Applicants:

Cheng-cheng Yu, Taipei Hsien, TW;

Chun-wei LU, Taipei Hsien, TW;

Yi-cheng Chien, Taipei Hsien, TW;

Inventors:

Cheng-Cheng Yu, Taipei Hsien, TW;

Chun-Wei Lu, Taipei Hsien, TW;

Yi-Cheng Chien, Taipei Hsien, TW;

Assignee:

AVer Information Inc., New Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 15/02 (2006.01); G03B 27/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A document camera and its light box are provided in the disclosure. The light box includes a base, a light guiding plate embedded in the base, and a light source device movably disposed on the base. The light guiding plate has a light input face and a light output face which are both light transmissive from the base. When the light source device is moved to face the light input face, the light source device provides lights outwards the light guiding plate via the light input face, otherwise, when the light source device is moved away from the light input face, the light source device provides light to the light output face down wards.


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