Differences

This shows you the differences between two versions of the page.

--- documentation:transmission_concepts [2023/09/08 22:35] – [Ultrasound] pnode
+++ documentation:transmission_concepts [2024/01/09 12:04] (current) – removed pnode
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-====== Transmission Concepts ======
-----
-===== Radio Frequency Transmission =====
-==== FM ====
-Signal Distance of a 100w emitter\\
-{{Signal_distance.png|Signal distance}}
-==== FM TRANSMITTER ====
-<HTML><ol style="list-style-type: decimal;"></HTML>
-<HTML><li></HTML><code>
-[The Ultimate FM Transmitter](https://www.instructables.com/id/The-Ultimate-FM-Transmitter/)
-</code>
-<HTML></li></HTML>
-<HTML><li></HTML><code>
-[Simple FM transmitter](http://circuit-zone.com/index.php?electronic_circuits=7)
-</code>
-<HTML></li></HTML>
-<HTML><li></HTML><code>
-[The simplest FM transmitter](https://anarchy.translocal.jp/radio/micro/howtotx.html) by Tetsuo Kogawa
-</code>
-<HTML></li></HTML>
-<HTML><li></HTML><code>
-[The simplest F.M transmitter ever made!](https://www.circuitsdiy.com/the-simplest-f-m-transmitter-ever-made/)
-</code>
-<HTML></li></HTML><HTML></ol></HTML>
-==== Alternative transmitters ====
-[[http://www.exitrip.org/About.html|with a ipod nano 1G]]
-==== Pre-built transmitter from 1w to 1kw ====
-[[http://www.czhfm.com/index.php?main_page=index&cPath=5&zenid=mj9anp8pghc92a713ekbr0s8n4|The company that produce transmitters]] (Camel Electronic Equipment Co., Ltd. in china)
-==== FM RECEIVER ====
-[[http://circuit-zone.com/?cat=fm_radio_receivers|Receiver page]]
-==== ANTENNA ====
-[[https://www.wikihow.com/Make-an-FM-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 {{Hello_world.jpg|Hello world}}
-==== 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/
-{{youtube>H0DKRl8XIcU}}
-==== 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<HTML></li></HTML>
-  * 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
-{{youtube>brhnFFrkj-0}}