发明名称 ELECTRONIC TIME SIGNAL CIRCUIT
摘要 PURPOSE:To generate a time signal sound resembling a natural sound by using an attenuating circuit, in which a first resistor is connected between a transfer gate and a power source and in which a second resistor and a condenser are connected in parallel between the output terminal and the ground.
申请公布号 JPS53143372(A) 申请公布日期 1978.12.13
申请号 JP19770059038 申请日期 1977.05.20
申请人 MATSUSHITA ELECTRIC WORKS LTD 发明人 KURODA MINORU;ITOYAMA HIROSHI
分类号 G10K15/04;G04C21/00;G04C21/02;G04G13/00 主分类号 G10K15/04
代理机构 代理人
主权项
地址