发明名称 ISDN adapter card for a computer
摘要 PCT No. PCT/DE94/00245 Sec. 371 Date May 14, 1996 Sec. 102(e) Date May 14, 1996 PCT Filed Mar. 8, 1994 PCT Pub. No. WO94/22271 PCT Pub. Date Sep. 29, 1994A passive ISDN adapter card includes a serial controller (1) as is normally used to connect an external data transmission device; an ISDN data transmission controller (2) connected to the serial controller and controlled by the CPU of a computer (4); and an ISDN connection controller (3) controlled by the CPU of the computer (4) and connected to the data transmission controller (2). The ISDN adaptor card is compatible with a modem connected to the serial port without an INT-14-H interface for the evaluation process.
申请公布号 US5796958(A) 申请公布日期 1998.08.18
申请号 US19960513931 申请日期 1996.05.14
申请人 ELSA GMBH 发明人 KOENZEN, RALF
分类号 G06F13/38;H04Q11/04;(IPC1-7):G06F13/00;H04M11/06 主分类号 G06F13/38
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