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Telephone Transmitters and Receivers
Fig 2: The patterns of cardioid and omni-directional microphones in relation to the direction in degrees
Telephone Transmitters and Receivers
Fig 3: Carbon telephone transmitter
Fig 4: Digital telephone transmitter
Telephone Transmitters and Receivers
Fig 11: Telephone receiver
TYPES OF PHONE RECEIVERS•Rocking Armature Receiver•Dynamic Receiver and the loud speaker