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.
Patent No.:
Date of Patent:
Nov. 19, 2013
Filed:
Nov. 11, 2011
Chien-ming Peng, Hsin-Chu, TW;
I-hsien Liu, Hsin-Chu, TW;
Chien-Ming Peng, Hsin-Chu, TW;
I-Hsien Liu, Hsin-Chu, TW;
Coretronic Corporation, Hsin-Chu, TW;
Abstract
A projection device including a case, a zoom lens module, a focus lever, and a linkage mechanism is provided. The case defines a guiding slot. The zoom lens module is disposed in the case and is configured for projecting an image. The focus lever is disposed in the case and is connected to the zoom lens module. The focus lever is perpendicular to a lengthening direction of a center axis of the zoom lens module. The linkage mechanism includes an adjusting rod having a connecting portion and an operating portion. The connecting portion is connected to the focus lever and is configured for rotating relative to the focus lever and moving along the lengthening direction of the focus lever. The operating portion extends out of the case and is configured for being controlled to move relative to the case along a lengthening direction of the guiding slot.