公开(公告)号：US09495859B2

公开(公告)日：2016-11-15

申请号：US13933467

申请日：2013-07-02

Applicant: LG ELECTRONICS INC.

Inventor： Sangdoo Ha ,  Jinwook Lee ,  Moonhyun Kim ,  Deoghyeon Kim

IPC: G01R31/08 ,  G08B23/00 ,  H04L27/28 ,  H04L12/28

CPC classification number: G08B23/00 ,  H04L12/282 ,  H04L12/2825 ,  H04L27/28 ,  H04L2012/285

Abstract: Provided are a home appliance and a method of outputting a signal sound for diagnosis. The home appliance includes: a selection unit for receiving a diagnosis command on the home appliance from a user; a memory for storing diagnosis data on the home appliance; a controller for processing the diagnosis data stored in the memory in order to generate a packet according to a diagnosis command input through the selection unit; a conversion unit for generating a frame including a combination of symbols, which respectively correspond to four different carrier frequencies, on the basis of data constituting the packet, according to a Quadrature Frequency Shift Keying (QFSK) method.

Abstract translation: 提供家用电器和输出用于诊断的信号声音的方法。 家用电器包括：选择单元，用于从用户接收家用电器上的诊断命令; 用于在家用电器上存储诊断数据的存储器; 控制器，用于处理存储在存储器中的诊断数据，以便根据通过选择单元输入的诊断命令生成分组; 根据正交频移键控（QFSK）方法，基于构成分组的数据，生成包括分别对应于四个不同载波频率的符号的组合的帧的转换单元。