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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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