Garage Door Openers Ryan Cowan IDS 1999 N00843984@unf.edu

Blake Cowan 11/2/12 N00835375@unf.edu

The Electric Opener C.G. Johnson 1926 in Hartford City Indiana Spring Electric motor Controls Runs on a track

Remote Control Two U.S. inventors Transmitter & receiver Designated frequency

Cloning Remotes Same Operating Frequency Only Fixed Code Clone Remote Must Be Cleared

Additional Features Automatic Light Remote Locks Keychain and Deadbolt

Safety Motion Sensor Must Have Quick Release Children Should Never Operate

Video http://www.youtube.com/watch?v=oNkr6jLqE38

Sources http://en.wikipedia.org/wiki/Garage_door_opener

http://www.popularmechanics.com/home/improvement/outdoor-projects/garage-door-opener-how-it-works