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 incorporates a powerful laser diode and tiny mirrors to project its display. An electronic pen communicates with the phone via infrared and ultrasound. Here, the user is holding the pen to navigate his stored photos. The phone can also project an interactive keypad, powerpoint presentations, and maps. The phone was built by Siemens Communications, Germany.