8 Comments. 1  Good article and beautiful snake pictures. 2  Thereâs the coral snake and its non-venomous look-alike, the king snake. 3  Hog nose snakes (puff adders) meet pretty much all of these traits listed but are not considered venomous (to humans).
Buzzer or Ringer. When the radio components of the handset receive the ringer signal from the base, they send electrical signals to the buzzer. The buzzer changes those electrical signals into sound much like the speaker does. You hear the buzzer sound and know that someone is calling you.
When the telephone ring signal is sen to the telephone, the ring voltage is not applied constanly to the line. Typically ring timing is 2 seconds on and 4 seconds off in the US. In the UK ring timing goes .4 sec on, .2 sec off, .4 sec on, 2 sec off then repeats.