100+ First cell phones PowerPoint (PPT) Presentations, First cell phones PPTs

First cell phones - PowerPoint PPT Presentation

3500 BC

3500 BC. Sumerians record pictographs representing words on clay tablets. . 1963. First communications satellite is launched , allowing world live broadcast of the 1964 Olympics . 1877. Thomas Edison invents the phonograph , a device to recond sound on a wax cylinder. 1972.

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377 views • 15 slides

1982

1982. The First Cell Phones Are Available For Sale. Old Phone - Can Atacan. The popularity of cell phones really began in the 90s, and they have almost seemed to become a necessity these past 10 years. Commtech 6120.

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334 views • 12 slides

Comunication Timeline

Comunication Timeline. By: Lynae Risinger. 1450. Johann Gutenberg invents a printing press using movable metal type. http:// inventors.about.com/od/gstartinventors/a/Gutenberg.htm Here is some information about Johan's printing press. . 1792. Mechanical Semaphore was invented in France

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337 views • 10 slides

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'First cell phones' diaporamas de présentation

First cell phones - PowerPoint PPT Presentation

3500 BC

1982

Comunication Timeline