TV Remote Control Components

TV Remote Control Components

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: TV remote control keypad and the internal electronic circuitry. When a button on the keypad is pressed its conductive base connects with the corresponding contact point on the printed circuit board, completing a circuit to the microcontroller which creates a coded command signal. This is transmitted as infra-red light by the I-R light emitting diode (LED) at the top of the control to the sensor on the TV receiver or set-top box where it is decoded.

Release details: Model release not required. Property release not required.

Keywords: chip, computer, contact point, cpu, i-r, infra-red, keypad, led, light emitting diode, microcontroller, microprocessor, pcb, printed circuit board, receiver, remote control, sensor, set-top box, signal, tv

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