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发明名称
RECEPTION SYSTEM OF AUTOMATIC VOLUME ADJUSTEMENT
摘要
PURPOSE:To eliminate the trouble of volume adjustment by a listener as required and to economize the system, by providing the noise sensor so that if noise is more than a given level, the volume of receiver is automatically adjusted.
申请公布号
JPS53112648(A)
申请公布日期
1978.10.02
申请号
JP19770027726
申请日期
1977.03.14
申请人
HITACHI CABLE
发明人
SUZUKI SHIYOUICHI;MASHITA CHIYASU
分类号
H04B1/16;H03G3/32
主分类号
H04B1/16
代理机构
代理人
主权项
地址
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