COMPUTER COMMUNICATION METHOD USING INDOOR TELEPHONE LINE AND COMPUTER CONNECTED BY RADIO

摘要

PROBLEM TO BE SOLVED: To use a computer without the limitation of the installation place of the computer and to conveniently use it by connecting an indoor telephone line and the computer through radio. SOLUTION: When the indoor telephone line is an ISDN circuit, the computer 1 is connected to the indoor telephone line via a master and slave radio equipment 4 and 5 and an ISDN terminal 11. When the indoor telephone line is an analog circuit, an extension telephone is utilized, a terminal telephone cord terminal for a modem is laid to a telephone set slave unit, and the computer and the indoor telephone line are connected.