Transmission Concepts

Radio Frequency Transmission

FM

Signal Distance of a 100w emitter

FM TRANSMITTER

1. The Ultimate FM Transmitter
2. Simple FM transmitter
3. The simplest FM transmitter by Tetsuo Kogawa
4. The simplest F.M transmitter ever made!

Alternative transmitters

with a ipod nano 1G

Pre-built transmitter from 1w to 1kw

The company that produce transmitters (Camel Electronic Equipment Co., Ltd. in china)

FM RECEIVER

Receiver page

ANTENNA

Make an FM Antenna

Other medium of transmission

Sound

• Yunchul Kim "Hello World" : transmission du texte "Hello World" via un délai audio à l'intérieur d'un long tube http://www.interactivearchitecture.org/hello-world-yunchul-kim.html
  

Ultrasound

• Simple chat program using inaudible sounds and a computer's microphone and speaker https://github.com/Katee/quietnet
• Ultrasound with gnuradio https://www.anfractuosity.com/projects/ultrasound-via-a-laptop/

Laser

• low tech http://www.wikihow.com/Transmit-Audio-With-a-Laser-Pen
• Send Music over a Laser Beam http://www.instructables.com/id/Send-Music-over-a-Laser-Beam/
• Laser mic http://www.williamson-labs.com/laser-mic.htm
• Throwing one's voice 95 miles on a lightbeam http://ka7oei.blogspot.fr/2012/09/throwing-ones-voice-95-miles-on.html
• some circuit http://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2009/dyz2_jl589/dyz2_jl589/index.html