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LumiWatch Concept can project a touchscreen on your hand



It seems like another projector-based portable project has been undertaken to develop a smartwatch that goes well beyond the usual timepieces. The project, led by Chris Harrison of Carnegie Mellon University and several researchers from this institution and ASU Tech Co. Ltd. led to a prototype called LumiWatch. Unlike some of its predecessors, however, LumiWatch goes a little further than simple projections and allows touch-screen-like interactions with the projected image on a wearer's arm or hand. Of course, it's important to point out that this is just a prototype and not necessarily something that will ever go into production. Besides, it's not exactly sleek, aesthetically pleasing or even all that's usable in its current form. Based on a related YouTube video uploaded by one of the researchers, Robert Xiao, the group did not really want this to be a definitive design. It is more of a proof of concept to show that a final product could be built that would be much more acceptable in the mainstream.

The premise is fairly simple and focuses on a self-contained system that consists of a heat dissipative aluminum shell, battery, projector module and driver, a 1

D sensor array and a motherboard. This is based on a 1.2 GHz quad-core Qualcomm APQ8026 SoC, which is coupled with a 450 MHz GPU. Bluetooth 4.0 and a Wi-Fi controller are part of this package, complete with 768 MB of RAM, 4 GB of flash memory, an inertial measurement unit, and an ambient light sensor. The software is based on Android 5.1. The integrated laser projector produces an image that approximates the average screen size of a large smartphone. Continuous 2D finger tracking and an initial "swipe to unlock" for calibration will calculate touches on the projected interface.

As shown in the accompanying video below, there are some issues that need to be resolved beforehand Project becomes a real product for sale. In addition to being bulky at 50mm x 41mm x 17mm, pricing would also be a major obstacle to this device appearing in the real world. At the present time, the researchers believe that the prototype could be produced for a retail price of $ 600. In addition, the projections themselves need to be calibrated much more precisely to achieve a truly screen-like experience for the end-user. But that's without considering that the researchers found problems with different skin types or in the hair on a user's arm – let alone problems with the brightness when used outdoors compared to indoor use. It will likely take some time for the imaginary wearable to appear on the shelf or be sold online, if at all possible.


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