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. 25, 2006

Filed:

Feb. 17, 2004
Applicant:

Hui-ping Yang, Taoyuan, TW;

Inventor:

Hui-Ping Yang, Taoyuan, TW;

Assignee:

Speed Tech Corp., Taoyuan, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mobile navigation device including a roller, a support, a plurality of terminals, and a body. The roller including an insulated bushing and a conductive ring. By matching the plurality of protrusions on an inner end surface of the insulated bushing with a plurality of slots on one end of the conductive ring, the conductive ring is plugged inside of the insulated bushing. The support including two braces, wherein each of the braces has a cantilever that is plugged into the conductive ring to sustain the conductive ring and the insulated bushing. The plurality of terminals are plugged into the conductive ring by prestress on the inner surface of the conductive ring, and each terminal extends out of the conductive ring to connect with a default circuit contact. The body includes a plurality of fixture parts and a plurality of raised spots. The whole structure is movable forward, backward, rightward, leftward, and downward.


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