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发明名称
摘要
PURPOSE:To prevent the decrease of the control distance due to the reduction of the terminal voltage by increasing the period in which a current flows in a luminous diode, when the terminal voltage of a cell lowers.
申请公布号
JPS6031289(B2)
申请公布日期
1985.07.22
申请号
JP19770098135
申请日期
1977.08.16
申请人
SONY CORP
发明人
OKADA HISAO;MURAKAMI SHIGETOSHI
分类号
G08C23/04;H03J9/06;H04B10/00;H04B10/114;H04B10/524;H04B10/80;H04N5/00;H04Q9/00
主分类号
G08C23/04
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