| 摘要 |
a) transmitting the telephone number, identification number, and specific code of the caller in sequence after modulating them to high frequency if the identification of the call is wanted; b) analyzing the transmitted high frequency through a receiver and a decoder, and detecting the specific code in the analyzed data; c) generating beep and displaying the telephone number of caller if there is not the specific code; d) converting the identification number into the alphabet and displaying it with the telephone number; and e) storing them into a memory.
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