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.:

US 8494131 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 23, 2013

Filed:

Dec. 30, 2010
Applicant:

Chang-min Han, Ansan-si, KR;

Inventor:

Chang-Min Han, Ansan-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a data communication method and apparatus comprising a noise information memory for storing noise information to indicate a degree of noise on a current communication line and capable of performing communications in a plurality of communication modes. The method and apparatus further comprising a mode memory for storing the plurality of communication modes in response to the degree of noise, and a mode change control unit for reading current noise information from the noise information memory and selecting the communication mode corresponding to the current degree of noise from the mode memory, and changing the current communication mode into the selected communication mode. The present invention provides an apparatus and a method for highly reliable data communication with simplified construction.


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