Day in Tech History

January 17: Carbon Microphone for Telephone

Play
Play
Share!

Share this Podcast

MyCast

MyCast

MyCast Subscription

Day in Tech History

Jeffrey Powers

Madison, WI

Description: For the Tech History Geek in all of us

Now Playing

January 17: Carbon Microphone for Telephone

Play Download media

Thomas Alva Edison

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

Friends of Day in Tech History

Protect your Tablet and/or Smartphone with ZAGG cases and InvisibleShield screen protector! 20% off with code Geekazine

Please add to your favorite aggregator. RSS Feed – iTunes – Stitcher –TechPodcasts – Google+ - Twitter@dayintechhist

Subscribe to Day in Tech History Show Notes!

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.

Comments




Receive feedback for your podcast via SpeakPipe