Transmission

Sending Information by Light Beams

Visitors find two screens that are interconnected by more then 1000 single flexible fibre optics. If the visitor puts acrylic pieces of different shapes and colours on top of one screen, the opposite screen displays the transmitted signal. A bright LED light can also be used and moved over the screen.

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Parabolic Antenna

Visitors can receive the Transmitted Sound Signal by aiming the Parabolic Antenna to one of the Flashing Sources located throughout the Museum.

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Optical Fibres

There are two Screens that are interconnected by more then 1,000 Plastic Optical Fibres. If the visitor puts Acrylic Pieces of different Colors on top of the Illuminated Screen, the other Screen displays the Color and Shape Information of the Objects.

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Total internal reflection

There is a Plastic Bar Model, which simulates the Light Transmission inside an Optcial Fibre. Visitors can rotate the Laser Source and observe the Laser Beam reflected from one wall to another, but staying always inside the Bar due to the Tatal Internal Reflection.

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Sound quality

Visitors can listen to different Audio Signals in High Quality or in Telephone Quality. Visitors can observe the Waveform and the Spectrum of the Audio Signals and they will see that although the Waveforms look similar, the Spectrums show clearly the difference of Audio Signals between the High Quality and the Telephone Quality.

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Multiplexing and Demultiplexing

This Exhibit shows how Time Division Multiplexing interleaves small Units of different Data Sources into the corresponding Time Slots and Transmits the Data Sources simultaneously by combining them into a Single Data Stream. At the Receiving End, the Single Data Stream would be decomposed into the original Data Sources.

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