青云翻译

Microcontroller detects the alarm signal immediately after the control of Abstract the electromechanical Road hook dialing and send the audio encoding signal to complete the dial-up and ringtone alert.

Monolithic integrated circuit after the alarm signal is detected, controlled pick up circuit immediately pick up the dial and send audio encoded signals to complete dialing and ring alert.

After the monolithic integrated circuit examines this alarm, controls immediately picks machine the electric circuit to pick machine the digit dialing and to transmit the audio frequency coded signal to complete the digit dialing, simultaneously carries on the ting warning.

Single-chip machine to test the alarm signal, immediately after the power-off control dial with the phone off-hook and send audio encoded signal through the dial-up, and a ringtone.

Monolithic integrated circuit after the alarm signal is detected, controlled pick up circuit immediately pick up the dial and send audio encoded signals to complete dialing and ring alert.