发明名称 SPEECH/DATA TRANSMISSION SYSTEM
摘要 FIELD: communication equipment, information transmission over communication channels in public communication network. SUBSTANCE: proposed transmission system has room 1 of subscribers that includes low-frequency subscriber 2, first low-frequency filter 3, high-frequency subscriber 15, first analog-to-digital/digital-to- analog converter 16, communication lines 4, 11, 13, room of automatic telephone exchanges 5, 12, 14 including commutation field 6, second low-frequency filter 7, digital transmission system 8, statistic multiplexer 9, equipment 10 of line path, second high-frequency filter 18, second analog-to-digital/digital-to- analog converter 19. EFFECT: increased informativity and speed of transmission over communication channels given by public communication network. 1 dwgo
申请公布号 RU2106751(C1) 申请公布日期 1998.03.10
申请号 RU19950104546 申请日期 1995.03.28
申请人 TOMSKIJ POLITEKHNICHESKIJ UNIVERSITET 发明人 BOCHKAREV A.N.;BOCHKAREV A.N.
分类号 H04J3/16;H04J3/24;H04J3/26;(IPC1-7):H04J3/16 主分类号 H04J3/16
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