Mobile phone with integrated projector. This prototype mobile phone is able to project its display onto any flat surface. The phone has a swivelling unit that contains a powerful laser diode and tiny mirrors to project its display. An electronic pen communicates with the phone via infrared and ultrasound. Shown here, a user is holding the pen to navigate an address book. The unit is also able to display an interactive keypad, powerpoint presentation, photographs and maps. The phone was built by Siemens Communications, Germany.