System and method for communicating with digital and analog devices via a single digital interface,申请号US19930166996-传众专利搜索

System and method for communicating with digital and analog devices via a single digital interface

申请公布号：US5483530(A)

申请号：US19930166996

申请日期：1993.12.16

申请公布日期：1996.01.09

申请人：

INTERNATIONAL BUSINESS MACHINES CORPORATION

发明人：DAVIS, GORDON T.;DILLON, CHARLES B.;MARKS, LAURENCE V.

分类号：G06F13/00;H04L25/49;H04Q11/04;(IPC1-7):H04J3/02

主分类号：G06F13/00

摘要：The invention is an ISDN terminal equipment which will maintain connectivity with existing analog modems by setting up a voice-grade connection to existing analog modems and using the power of a digital signal processor DSP to generate the digital equivalent of the analog modem signals for transmission on an ISDN "B" channel.