It's the button (or buttons) that the telephone receiver rests on when not in use - that disconnects the phone line until a call is received.
A telephone hook or a switchook.
in a receiver
receiver capsule is a telephone device who can detect sound wave
Alexander Graham Bell, same with the telephone, i believe.
The telephone receiver contains the earpiece. Virtually all receivers also contain the transmitter, which is the microphone that picks up the user's voice.
the testicle
a golden receiver
transmitter, receiver, and a base unit.
Candlestick telephone
carbon
It will sound an alarm through the receiver that goes beep beep beep.
A telephone receiver is not a compound itself, but the materials used to make it can be either ionic or covalent compounds. The components of a telephone receiver, such as plastics and metals, are typically made of covalent compounds.