Media, Information and Technoculture 2000F/G Lecture Notes - Lecture 6: Reginald Fessenden, Heinrich Hertz, Radiotelephone

• School: Western University
• Department: Media, Information and Technoculture
• Course: Media, Information and Technoculture 2000F/G
• Professor: All

Document Summary

Uni-direcional: central transmiter to passive receivers, broadcasing. Stood in conjuncion with railways as it ran its cables along rail corridors. Used morse code to telephone diferently, was originally an adjunct for telephones and businesses. The telegraph/telephone was not available to many common households ill the 1910"s. The type of radio we end up with in the 1930s varies diferently from american radio ownership. Radio waves: electro-magneic energy, radiaing in waves. Heinrich hertz (1888: lab experiments, telegraph without wires (herizian waves) Land-ship communicaion: was very interested in ship to shore communicaion. Marconi wireless telegraph and signal co: created the irst trans-atlanic wireless signal from st. johns, newfoundland. Able to send wireless messages over thousands of kilometers: first commercial service. First message ever sent was is it snowing where you are? . He referred to it as the radio telephone. Shipping/distress calls: with wireless signals on ships you could now send distress messages to the shore or other ships.