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The Echo Light System is a patented solution for tunnel advertising. The system functions by mounting projectors on a metro train and when the train passes through a tunnel stretch, the projectors produce an image on the inside tunnel wall, outside the passenger windows. The Echo Light System enables the use of currently unused advertising space, and represents a huge additional revenue stream for metro/subway operators and associated parties.



New revolutionary way of advertising in metro tunnels

The Echo Light System displays visual media content on the tunnel walls, as the trains travel through the tunnels, with the use of a projector mounted on the side of the train, enabling passengers to watch advertisements outside the windows of the train.

“The Echo Light System brings new life to the kilometers of dull, boring, unused and grey tunnels walls. While shedding a beautiful light, displayed in the form of visual media content, it lights up the travel for the passengers, getting their attention while they are seated and comfortable. Furthermore it allows them to listen to the sound associated with the media being projected. Since people tend to look out of the windows of train wagons instinctively, even when inside tunnels, The Echo Light System will make their travel a more pleasant and interesting experience, where passengers can get media, news feeds, commercial advertisements, and convenient traffic information, while being transported.”

Communication flow The Central Server sends data for the media to be broadcasted through a wireless internet connection to a local server, aboard the train carriage. The Local Server distributes the visual data to the projectors, and the audio is transmitted through a wireless transmitter so that it can be received by the passengers, with the use of their personal electronic devices. The ON/OFF Sensors are used to control the on/off status of the projectors. Tags are used to localize the train, and with the input of the server The Echo Light System can show content based on time, location and destination of the train. Below is shown a simplified map of the system, its basic components, and the communication flow.



Benefits of the Echo Light System The Echo Light System has a wide range of benefits, some of which are mentioned below.

1. Easy to implement The Echo Light System is very easy to implement due to a simple set up of components. The implementation can be done when the trains are outside the tunnels, while being cleaned or maintained.

2. Does not need any component physically installed inside tunnels The Echo Light System needs nothing physically installed on the tunnel walls to function The entire system can be implemented without having to enter the tunnel sections and without having any components inside the tunnels.

3. More options than competitors The Echo Light System is much more flexible, and has features which competitors do not, like the ability to play audio to passengers using their personal electronic devices, without disturbing other passengers. Most competitors cannot play the audio associated with the images.

4. Specific media Content based on Time, Location & Destination The Echo Light System allows advertising content to be broadcasted based on time, location and destination of the train. This means that advertisers can target their desired segment in a much more precise way than previously possible.

5. Projectors either inside or outside The Echo Light System's Cabinet Projectors can be mounted either inside or outside the train, adapted to the specific design of the train, making it an easy process to implement.



6. Low level of maintenance Echo Light is a low cost system, with very little maintenance and high revenue.

7. Full usage of tunnel stretch When implemented, the Echo Light System can project media throughout an entire metro tunnel network, thus allowing the use of the full potential of the tunnel stretch for advertising and commercial purposes. Because competitors rely on the assembly of screens or other items, and installing these physically on to the tunnel walls, they can only implement their systems on short stretches. Implementing these systems can be a very difficult and dangerous task, and for all implementation, maintenance and update traffic needs to be stopped.

8. Low requirement of space It does not require much space to facilitate the Echo Light System on the metro trains, as the cabinet projectors are specifically designed to take as little space as possible, including the sub components such as Local Servers etc.

9. Rare, but easy replacement When the Echo Light System's projectors need a rarely replacement, it is done very easily, and the entire process takes an estimated 15 minutes. The Echo Light System uses LED projectors with minimum 20.000 hours Lamp Life, and low power consumption.

10. No traffic delays The System does not create traffic delays when implemented, maintained or updated as it is done when the trains are outside the tunnels anyway. Competing products rely on a implementation of a LCD screen, poster etc. inside the tunnels, on the tunnel walls, creating delays and hazards, both when implementing, maintaining and in some cases even when updating as traffic needs to be stopped. Covering the metro tunnel walls with posters, screens etc., can turn the tunnel into a nest place for insects and pest animals, also causing failure to see damage or needs of repair of the tunnel walls and foundation.

11. Creates value in high populated areas Echo Light brightens up the dark tunnels and sheds a beautiful light on the surroundings of the trains, allowing passengers to view the media content from their comfortable seat in the metro tunnels, while at the same time generating revenue for the metro operators, in currently unused areas. It might be obvious but still worth to mention that most metro subway networks are in high populated areas, and thereby the currently unused media space the Echo Light System is able to exploit is of high value.

12. Not a complex technology Echo Light is a trouble-free straight-forward system that is reliable and works, being a noncomplex technology.

Because the implementation can be done outside the tunnels, and without causing any traffic delays, implementation of the Echo Light System, is both time efficient and practical for subway operators. The same benefits also apply when there is a need for maintaining and updating the system.

All in all, The Echo Light System is a safe, reliable and brilliant tool for bringing media, in the most beautiful and remarkable way, to the millions of passengers who use metro and subways to commute daily.

Youtube link: www.youtube.com/echolightglobal

website link: www.theonetimes.com