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:
Jul. 02, 2019

Filed:

Apr. 27, 2017
Applicant:

Qisda Corporation, Taoyuan, TW;

Inventors:

Hsien-Tsung Chiu, Taoyuan, TW;

Ying-Fang Lin, Taoyuan, TW;

Assignee:

Qisda Corporation, Taoyuan, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G03B 21/145 (2013.01);
Abstract

An electronic device casing can be used in a projector and includes a first casing member and a second casing member. The first casing member includes a first side wall. The first casing member and the second casing member are engaged with each other to form an internal accommodating space. The second casing member includes a second side wall. The first side wall and the second side wall are oppositely disposed to form a narrow passage therebetween. The internal accommodating space is connected to an external space of the electronic device casing through the narrow passage. The narrow passage has a non-straight traveling path. Furthermore, the electronic device can includes an air flow bypass passage near the narrow passage.


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