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:
Dec. 21, 2010
Filed:
Oct. 23, 2006
Hyung Suk OH, Seoul, KR;
Hyung Suk Oh, Seoul, KR;
LG Electronics, Inc., Seoul, KR;
Abstract
A mobile communication terminal, and a method of backing up and restoring calibration data thereof disclosed, thereby enabling a terminal to repair damage to radio frequency calibration data. The present invention includes a radio frequency calibration data checking unit comparing a checksum value of radio frequency calibration data stored in an internal terminal memory to a checksum of backup data value stored in a SIM card according when the terminal is turned on, the radio frequency calibration data checking unit determining whether the radio frequency calibration data stored in memory is the same as the data stored on the SIM radio frequency calibration data recovering unit for restoring the radio frequency calibration data from the SIM card.