Asustek computer Inc., fifth biggest computer maker of the world, will reveal a tablet pc with a slide keyboard in the Gadgets Show (CES) in a few days in Vegas, business sources said.

The tablet device, that will possess a 10-inch screen and Google Inc.'s Android operating-system, is anticipated to be launch with further tablet PCs from "Eee Pad" from Asustek's family, such as a Windows supported model which utilizes a detachable keyboard, the sources said.

The Taiwan-based firm hopes the new gadgets will aid it penetrate the expanding global tablet pc marketplace and gain a double-digit share from the non-Apple tablet personal computer market in 2011.

A current research report estimated that 10 million to 15 million non-Apple tablet pc will be shipped in 2011, also it said Asustek was prone to sold no less than 1 million piece. Asustek's tablet PCs will compete with several models promoted by firms for example Samsung Electronics Co., Acer Inc., Micro-Star International Co. and HTC Corp. to challenge Apple Inc.'s iPad in the segment.

HTC, which in fact had not announced it had been coming out with a tablet gadget, filed a brand application with the Trademark Office and U.S. Patent for a invention known as "HTC Scribe, " recounting it like being a " wireless device handheld, that is a tablet pc, " according to Bloomberg News.

HTC could launch the tablet at the Jan. 6-9 CES or throughout the Mobile World Congress in February. Cheng Hui-ming CFO of HTC stated in October that HTC was still staring at the marketplace.