Day in Tech History

January 17: Carbon Microphone for Telephone

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Day in Tech History

Jeffrey Powers

Madison, WI

Description: For the Tech History Geek in all of us

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January 17: Carbon Microphone for Telephone

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1882 - Thomas Edison created more tech history when he was granted a patent for the carbon microphone for the telephone. The carbon was in between two cups and attached to the mouthpiece. The diaphragm would change pressure, causing the carbon to be pushed upon. That would send electric current to the other end - which would transpose it back to audio.Wikazine – Full show notes for January 17 Other Historical Events in Technology The infamous "Apple Ad" shows up in movie theatres IBM charged with the Sherman Antitrust Act Apple reaches an "out of court" settlement with NeXT Co-Founder Jerry Yang Steps down from Yahoo! In protest to SOPA, many websites blacked out their web pages.
NMX and Nab Show, Las Vegas, April 2015