发明名称 Apparatus and method for adjusting sound volume for televisions and other audio systems
摘要 An apparatus (10) for adjusting sound volume for an audio system includes a controller (101) connected to an amplifier (40) of the audio system for controlling amplification of the amplifier, and a first circuit (102) for adjusting the sound volume. The controller includes a microprogrammed control unit (1010), a random-access memory (1012), and an electrically erasable programmable read-only memory (1014). The first circuit includes an attenuation circuit (1022) connected to a tuner of the audio system for attenuating input audio signals, and a switch (1024). An input end of the switch is connected to the tuner and an output end of the attenuation circuit, and an output end of the switch is connected to an audio processor (30) of the audio system. The apparatus enables a user to freely adjust an average level of sound produced by the audio system, and simultaneously avoid being bothered by loud transmissions.
申请公布号 US7555132(B2) 申请公布日期 2009.06.30
申请号 US20040955455 申请日期 2004.09.30
申请人 HON HAI PRECISION INDUSTRY CO., LTD. 发明人 HSIEH KUAN-HONG
分类号 H03G7/00;H03G1/00;H03G1/02;H04N5/60 主分类号 H03G7/00
代理机构 代理人
主权项
地址