发明名称 RADIO CALL DEVICE WITH AUTOMATIC DIAL FUNCTION
摘要 PURPOSE:To avoid an erroneous dialing operation or a trouble by reading a message data from a message storage means, extracting a numeral data representing a telephone number, converting the numeral data into a DTMF signal corresponding to every digit and converting and outputting the signal into an audible tone. CONSTITUTION:A telephone number reading section 14 reads a message data stored in a message memory 12, extracts a numerical data and sends the data to a DTMF signal generating section 15. The DTMF signal generating section 15 converts a numeral data to a corresponding DTMF signal at every digit and a speaker 16 sounds an audible tone DTMF signal. A telephone network 4 recognizes an opposite party telephone number by the DTMF signal to call the opposite party and the call is implemented by the response from an opposite party.
申请公布号 JPH03104327(A) 申请公布日期 1991.05.01
申请号 JP19890243174 申请日期 1989.09.18
申请人 NEC CORP;NEC COMMUN SYST LTD 发明人 YOKOO KAZUYOSHI;MIYAGAWA TATSUYA
分类号 H04W88/02;H04B7/26;H04W84/02 主分类号 H04W88/02
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