英语翻译摘要：本文介绍了电话摘机提醒器/通话限时器的设计原理与制作过程,电路采用了可录放芯片ISD1812使该电路具有录

Abstract :This paper presents the phone to remind Abstract Machine / SPECIAL calls for the design and manufacturing process,Circuit Recorder can be used to make the chip ISD1812 circuit with recording and broadcasting of the recording functions,C1212C chip used to be recording of the voice circuit output signal amplification,Regulators used to achieve control of the circuit to the control function,using electrolytic capacitor to achieve the delay switch function,on the phone are not pegged good case,the circuit broadcast regularly recording telephone Abstract Machine remind function,in the course of conversation this circuit can also achieve SPECIAL function calls.Keywords :Abstract Machine remind calls SPECIAL ISD1812