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This year's Consumer Electronics Show in Las Vegas has seen the unveiling of several interesting new designs for portable computers.
Lenovo's 3G-enabled IdeaPad U1 hybrid notebook, pictured above, is one of the fresh concepts on display. The device can be used in a traditional clamshell format or as a multitouch-enabled tablet PC.
The U1's detachable, 11.6-inch HD screen accounts for half the 1.7kg weight of the whole device. When the notebook is used as a complete unit, it runs Windows 7 on an Intel ultra-low-voltage processor. However, when used as a tablet, it runs Lenovo's custom Skylight Linux distribution on an ARM processor.
According to the Lenovo, its Hybrid Switch technology makes it possible to toggle between the two processors, so a web-surfing session can continue uninterrupted when the user detaches the tablet from the main body of the U1.
Lenovo says the U1 will support five hours of 3G-based web surfing in either clamshell or tablet mode. The device has an estimated retail price of $1,000 (£625).