发明名称 Facsimile interface device for land-mobile telephones
摘要 A facsimile interface device for a land-mobile telephone system includes a changeover circuit for connecting and disconnecting a facsimile device with a land-mobile telephone circuit, and a matching circuit for electrically matching the facsimile device to the telephone circuit. The interface device further includes a control circuit for determining based on the position of a mode select switch whether a signal received is for the telephone circuit or the facsimile device, and for controlling the changeover circuit accordingly.
申请公布号 US4881129(A) 申请公布日期 1989.11.14
申请号 US19880239743 申请日期 1988.09.02
申请人 KEIHIN CO., LTD. 发明人 MITSUHASHI, YASUHIRO
分类号 H04M11/00;H04N1/00;H04N1/327;H04W88/02 主分类号 H04M11/00
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