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The result is a virtual touch screen that could be of any size and projected on any flat surface. That's a compelling prospect, especially for those of us whose pockets swell with ever-larger devices. While flexible OLED displays have for years promised to be large devices that you can easily fold up and tuck away, they'll never have anything on the portability of a blank sheet of A4 paper. That said, the implementation here was crude, often failing to track an extended index finger and requiring a solid tap to be registered. You'll be wanting a piece of heavy stock A4, then.

Alps Electric Co.'s vision of the future is a next-generation car interior, gleaming white and festooned with blue LEDs, of course, The system uses a variety of sensors and cameras to detect things like the driver's heart and respiratory rate, ostensibly detecting the onset of drowsiness but potentially also warning against the onset of road rage, Interestingly, the concept featured only a single physical button, for starting the engine, The rest is managed by a ceiling-mounted laser projector and camera that work in concert, The laser projector draws icons on the white doctor who? iphone case dashboard, telling you what to touch and where, while the camera detects your hand and gestures, Don't like the current music track? Wave it away, Not sure where to set your phone for the wireless charging unit to engage? The car can draw a big hand with a finger showing you exactly where to place it..

And then there was something rather less fanciful but still quite interesting from Toshiba: a new way of interacting with your television. No, there's no fancy gesture detection or anything of the sort here, this is more about your television's interface getting smarter about figuring out what you might want to watch. Called Regza TimeOn, it's basically an onscreen overlay showing what people are talking about on Twitter. On the right you see real-time posted messages from folks you follow, while on the bottom you see a bar chart showing trends.

"Breaking Bad" finale on? Bill Nye dancing the cha-cha? Miley Cyrus grinding on a teddy bear? Your TV will tell you of such moments and let you watch them live with the touch of a button, But, it goes beyond that, The system, and a companion mobile app, can tap into the company's DVRs to take you straight doctor who? iphone case to such must-watch moments, jumping into individual recordings to the precise moments the antics in question began, Of the bunch, we figure Toshiba's is the most likely to see the light of day any time in the near future, Alps Electric's fancy cockpit and NTT DoCoMo's Ring Interface, however, likely never will -- at least not as they exist today, Still, they point to an interesting future that obviates discrete buttons and display panels in favor of as-needed virtual displays and physical gestures, That these crude yet functional concepts exist today is encouraging, though we can't help fearing they may never see the light of day again..

Japan's biggest annual consumer electronics show is always home to some fascinating conceptual gadgets. We take a look at a few new ways of interacting with devices from this year's CEATEC. TOKYO, Japan -- There are plenty of shows around the world where you can see great consumer devices. Plenty of shows that trot out the gadgets that will hit stores in the next few weeks or months, gadgets already being stamped out on pristine manufacturing lines somewhere. Though hugely important, these shows rarely offer a glimpse into anything beyond the very near future. If you want to look a little further down the road and get a preview of innovations that are years away -- or more -- there are few better places than Japan's CEATEC.