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. 29, 2013

Filed:

Aug. 11, 2010
Applicants:

Hua-qiao MA, Shanghai, CN;

Tian-you Wang, Shanghai, CN;

Inventors:

Hua-Qiao Ma, Shanghai, CN;

Tian-You Wang, Shanghai, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03M 11/00 (2006.01); H01R 27/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a portable electronic device and an external keyboard thereof. The portable electronic device comprises a first port comprising a circular earphone plug and a keyboard plug. The external keyboard comprises a main body, a keyboard array and a second port. The keyboard array is disposed on the main body and comprises a plurality of scan signal lines. The second port is electrically coupled to the scan signal lines of the keyboard array, and is capable of inserting into the first port of the portable electronic device so as to electrically couple to the keyboard plug. Therefore, the external keyboard can be connected to an earphone jack in a plug-and-play fashion without necessarity to add a new port such that the external keyboard is convenient to use and carry and can be freely rotated in any angle.


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