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:
Jan. 01, 2013
Filed:
Apr. 09, 2010
Hyun Sang Kim, Changwon-si, KR;
Eui Hyeok Kwon, Changwon-si, KR;
Hae Yong Kang, Changwon-si, KR;
Yong Tae Kim, Changwon-si, KR;
Koon Seok Lee, Changwon-si, KR;
Hyun Sang Kim, Changwon-si, KR;
Eui Hyeok Kwon, Changwon-si, KR;
Hae Yong Kang, Changwon-si, KR;
Yong Tae Kim, Changwon-si, KR;
Koon Seok Lee, Changwon-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A system and method for diagnosing a home appliance are disclosed. The home appliance outputs product information as a predetermined sound signal, and transmits the sound signal to a service center of a remote site over a communication network, such that a service technician of the service center can easily check a current status of the home appliance. When a diagnostic server of the service center analyzes the sound signal of the home appliance, it selects a plurality of preamble candidates and can effectively and correctly detect data using weights, so that it can quickly diagnose a faulty operation of the home appliance. An erroneous data analysis and its associated erroneous diagnosis are prevented, so that the diagnostic system provides a service for more correctly diagnosing a faulty operation of the home appliance and also increases user satisfaction and reliability of the home appliance.