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经营范围
发明名称
DIGITAL SIGNAL SOUND GENERATING SYSTEM
摘要
PURPOSE:To secure generation of a digital audible signal sound free from clock noise for a telephone exchange, by performing an intermittent control of the audible signal sound at the sampling time when the ROM output code is close to 0 level.
申请公布号
JPS5363911(A)
申请公布日期
1978.06.07
申请号
JP19760138393
申请日期
1976.11.19
申请人
OKI ELECTRIC IND CO LTD
发明人
SASAKI KENICHI
分类号
H04M19/02
主分类号
H04M19/02
代理机构
代理人
主权项
地址
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