US Patent 7102620 Mobile electronic device

An electronic device that has a lower portion that unfolds to reveal an extendable keyboard. When the keyboard is folded closed, a number pad is visible and the device looks similar to a traditional portable or cellular telephone. The device can be used as a personal digital assistant, a cellular telephone, a cordless telephone or as the handset of a traditional wire line telephone. The fold-out keyboard of the electronic device can be used for easy entry of text data while a communication channel is active. The device includes two way messaging and Internet browsing capabilities.