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 telephone earpiece on a phone is called a headset.
The receiver is the part that is picked up and it has a microphone at one and and an earpiece at the other. The rest of the phone which stays on the table has the dialling mechanism and switches to disconnect the phone from the incoming line when not in use.
1861, in an early form of telephone earpiece.
The earpiece on any phone is used for the person to be able to hear the conversation. They now make earbud earpieces that can be used and Bluetooth ones so the user does not have to use the built in earpiece.
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To convert the electrical energy representing the other parties speech into sound so you can hear it with you ears. It does the opposite of a microphone which converts your speech into electrical signal to send the other party.
in a receiver
receiver capsule is a telephone device who can detect sound wave
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.
Alexander Graham Bell, same with the telephone, i believe.
for radio frequnency ... and audio frequency. I have a Colpitts oscillator on a small piece of Veroboard 3/4"x 1/2"mounted on the terminals of a standard telephone earpiece. It uses the earpiece itslef as the inductor. The nominal impedance of the earpiece is about 300 ohms. With capacitors of 1μF and 0.47μF it oscillates at about 2kHz.
the testicle