LightSpeak - Message in a Photon
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What stories can light tell us? We answer that question with an innovative camera app, Lightspeak. With this new camera technology mobile phones can snap a picture of light, and decode the messages hidden in the photons of the light. Lightspeak can democratize public spaces and fundamentally alter how consumers interact with brands. As long as you have a story tell, Lightspeak can help you deliver it.
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LightSpeak - Message in a Photon
- 1. ….h
- 2. Create pre-programmed light bulbs which blink at 1000’s of times per second
- 3. Blinking pattern = data being transmitted
- 4. LightSpeak app decodes data from Mobile camera sensor
- 5. LightSpeak can broadcast flight information at airports
- 6. Or download railway timetable from a public kiosk
- 8. Most mobile phones have inbuilt LED source – camera flash
- 9. This flash can be strobed to send information
- 10. Like a business card..
- 11. The receiver is a camera sensor on the other mobile
- 16. Rajeswari Kannan Nokia Research Center Pranav Mishra Nokia Research Center Pushkar Patwardhan Nokia Research Center Ramesh Raskar MIT Media lab
Notas do Editor
- We have all used light, to read storiesImagine the possibilities, if light, can tell you stories….Communication through light has found its pages in the history of mankind.Light houses were used to guide ships and lanterns were used to signal impending dangerPhotons, illuminate our rooms and the night sky But as we will see today, these photons,can also carry a message for youLets celebrate light with this…
- We create pre-programmed light bulbs that can blink at 1000’s of times per second.
- This blinking pattern corresponds to the actual data being transmitted.
- The LightSpeak camera app on the mobile, then, decodes this data to show meaningful information.Let’s see LightSpeak in action at a coffee shop
- LightSpeak can be used to broadcast flight information at airports.Lights around the airport can find where you areand bring you useful information such as your flight departure time, gate number, your seat number and other details
- You can use LightSpeak to download railway timetable from a public kiosk
- Or transfer information between mobile phones
- Most mobiles have an inbuilt LED light source <show it> the Camera flash.
- This flash can be strobed to send information
- Like a business card..
- The receiver is a camera sensor on the other phone.Imagine, how easy, connecting to all of you would be, if I can share my contact by just shining light from here.
- It is low cost, energy efficient and greener. Switching between light sources is as easy as stepping into light. There is no need to establish contact There is no need for passwords or response challenge protocolsAnd its safe for financial transactions as light does not penetrate walls.…
- LightSpeak is yours now!
- You will find, everything all you need, to get started with lightSpeak: @research.nokia.com/LightSpeak
- And you don’t need to be a camera person to put this to use, you could be a coffee shop owner, a student, an artist, a musician, mother or a teacher.As long as you have a story to tellUse LightSpeaknot just to shine light and spread cheer but to deliver your message bundled in those photonsThank you.