发明名称 TELEVISION RECEIVER, AND REGULATING METHOD OF ROTATING SPEED OF COOLING FAN THEREOF
摘要 PROBLEM TO BE SOLVED: To provide a television receiver that brings the noise sound of its cooling fan to a state not much felt uneasy by controlling a rotating speed of the cooling fan depending on a degree of the noise sound affected on a program. SOLUTION: The television receiver 1 including: a tuner 3; a selector 4; a demodulation circuit 5; a liquid crystal display unit 7; an audio processing circuit 10; a sound volume control circuit 11; a speaker 12; a microcomputer 13; a backlight adjustment circuit 14; a storage means 15; a temperature detection means 16; a user operation signal input section 18; and the cooling fan 19, to which an antenna 12 is connected, and operated by a remote controller 17, classifies category of a broadcast program into a plurality of contents on the basis of EPG data and stores the contents to the storage means 15, discriminates to which of the contents a category of a broadcast program belongs, and regulates the rotating speed of the cooling fan depending on the contents to which the category of the broadcast program belongs so as to bring the noise of the cooling fan to a state not much felt uneasy. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2006311395(A) 申请公布日期 2006.11.09
申请号 JP20050133642 申请日期 2005.04.28
申请人 SHARP CORP 发明人 YOSHIMURA TORU
分类号 H04N5/64;H04N5/44 主分类号 H04N5/64
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