发明名称 APPARECCHIO E PROCEDIMENTO PER LA CODIFICAZIONE ELETTRONICA DI SE GNALI ANALOGICI IN UN CODICE CON CARATTERISTICA LOGARITMICA
摘要 An analog-to-digital converter is disclosed which directly converts analog signals, such as voice, into digital signals exhibiting logarithmic compression characteristics. The apparatus is digitally controlled, performs encoding at minimal operating speed and may be utilized on a per line basis.
申请公布号 IT1018776(B) 申请公布日期 1977.10.20
申请号 IT19740052366 申请日期 1974.07.31
申请人 NORTH ELECTRIC CO 发明人
分类号 H03M1/00 主分类号 H03M1/00
代理机构 代理人
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