发明名称 PORTABLE RADIO CALLING RECEIVER
摘要 PURPOSE:To obtain the radio calling receiver able to attain automatic dialing through the use of a tone line use telephone set by providing a dual tone multi- frequency signal generating circuit, a telephone number reception memory and a sounding output control section of a telephone number to the receiver. CONSTITUTION:A signal of a telephone number stored in a memory 1 is inputted to a read dual tone multi-frequency signal generating circuit 2 by using a control section 3. A tone corresponding to the telephone number is outputted from a speaker. Thus, when the speaker is in close contact with a transmitter of a telephone set of a tone line, since the tone is sent to an exchange of a telephone station, automatic dialing is attained. Wrong dialing is avoided and trouble is saved.
申请公布号 JPH04284736(A) 申请公布日期 1992.10.09
申请号 JP19910048533 申请日期 1991.03.14
申请人 FUJITSU LTD 发明人 KOIZUMI HIROSHI
分类号 H04W84/02;H04B7/26 主分类号 H04W84/02
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