March 25, 2005
Phone with built-in projector system
PhysOrg reports that Siemens has developed a cell phone featuring a built-in projector system.
The system makes it possible to project a complete keypad or display onto a surface. With a special pen, users can write on the virtual keypad and operate the phone's functions.
The image can be projected onto a surface in front of the phone or onto a wall. The projector system can even be used to give presentations and slide shows for small groups.
The pen for writing and telephoning features a built-in microphone and speaker. The signals are transmitted via Bluetooth. A distance sensor recognizes when a user is holding the pen to his or her ear and automatically reduces the volume. To write, the user "types" with the pen on the projected image. Sophisticated sensor technology recognizes the pen's position.
The prototype isn't a fully functional cell phone yet and it hasn't yet been decided whether Siemens will further develop this technology and launch a mobile phone equipped with this system on the market.
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