television receiver

A television receiver, also known as a television set, is a device that receives broadcast television signals and displays them as moving images and sound. The process involves a television system that generates, transmits, and utilizes a signal waveform.12

The scene to be televised is captured by a camera, creating a picture signal. This signal, along with synchronization pulses, forms a composite video waveform. This waveform, along with an audio signal, is then transmitted over the air or via cable networks.2

At the receiver, an antenna or cable input picks up these signals. They are then processed to recreate the original picture and sound, which are displayed on the screen and played through the loudspeaker. Early electronic television systems relied on cathode ray tubes, with key developments by pioneers like Vladimir Zworykin and Philo Farnsworth.23