Ultra-compact mobile touch-type keyboard

Abstract

An ultra compact mobile keyboard. The keyboard has a plurality of mechanical keys suitable for touch typing. Each such key has a travel distance sufficient to provide a touch type feel and a rigid cap for crisp actuation by a user. The keyboard has a deployed configuration for touch-typing use and a collapsed configuration for transport and storage. In the collapsed configuration, the keyboard fits within bounding volume of less than 180 cubic centimeters.

What is claimed is: 
     
         1 . A method comprising:
 connecting a first and a second electronic device to a power source;   interrupting the flow of power for a period of time; and   interpreting the interruption to decode a data to be transmitted between the first and second electronic devices through the power source connection.