High-tech product releases: battery-powered VIERA tablet , Samsung Star successor, Dash

High-tech product releases announced the week ending January 19 include Panasonic’s range of VIERA tablets, the successor to Samsung’s top-selling Star mobile, Sony’s battery-powered Dash, a clip-on monitor for your DSLR and ultra-compact digital cameras that record HD video.
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A tablet that taps into cloud services
Panasonic’s VIERA tablet series marks the company’s first step towards cloud-based services like video streaming and e-books. The tablets will be built in a range of different sizes, with display sizes ranging from 4″ to 10″. The tablets will tap into IPTV video-on-demand and interactive services, function as a “visual remote control” for your TV, and will provide different viewing angles as a sub-screen while you are watching sports on TV. Panasonic showed off prototypes of the device at CES and consumer-ready models are expected to be ready by 2011. No prices have been announced.
Top-selling mobile phone gets updated with enhanced social networking features
The successor to Samsung’s 30-million selling Star phone will offer consumers a superior social networking experience. The Samsung Hp pavilion dv2000 battery Star II has a 3″ touchscreen, personalized TouchWiz 3.0 user interface, support for Samsung’s Social Hub, QuickType by t9 Trace, a 3.2 MP camera and WiFi connectivity. The Samsung Star II will start shipping in February in Germany. Sales in European countries, CIS, South America, India and the Middle East will follow shortly after. No price was revealed.

Sony’s Dash TV-tablet-digital picture frame-hybrid is unplugged from the wall
Sony’s Dash has been upgraded to include a rechargeable battery so consumers can take the 7″ display with them anywhere in the house. Sony’s Dash sits in the market in between an internet-connected TV, a laptop and a digital picture frame providing wireless real-time internet and services via the more than 1,000 free applications. Dash pricing will be announced shortly before the device goes on sale in summer.

A large clip-on monitor for interchangeable lens digital cameras
Sony’s CLM-V55 is a 5″ WVGA 800 x 480p LCD monitor that attaches to DSLR cameras or compatible HD camcorders and provides enhanced, high-resolution viewing whilst shooting HD video. The Hp pavilion dv9700 battery Dell d820 battery monitor can tilt or swivel to any angle for comfortable viewing and has a pixel magnification mode that assists with accurate focus confirmation. The monitor will be available from March, however, no details about pricing were available.
Ultra-compact pocket cameras that record HD video
Panasonic also unveiled two slim LUMIX FH-Series digital cameras during CES. The 16.1 megapixel LUMIX DMC-FH5 and 14.1 megapixel LUMIX DMC-FH2 both feature retractable 28mm wide-angle LEICA DC lenses with a 4x optical zoom whilst also measuring around 20% slimmer than their predecessors. The slimline cameras record 1280 x 720p HD video, have “MEGA” optical image stabilization, face detection and intelligent ISO control. Information about dell d630 battery pricing and worldwide release dates will be announced 30 days before the cameras go on sale.
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Battery power news and care: New Technology Speeds Up Charging

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Charging a cell phone or laptop could take minutes instead of hours, thanks to a new nanomaterial.
The material is made up of what the researchers call nanoscoops — “cones” of carbon and aluminum with “scoops” of silicon on top. These nanoscoops would replace the graphite anode used in today’s lithium-ion hp 530 batteries , which are the most common type of batteries found in consumer electronics.
So far, the researchers from Rensselaer Polytechnic Institute (RPI) in New York have made a coin cell Li-ion battery (similar in size to those used in watches) with a nanoscoop anode and performed standard battery tests on the prototype. The result: The new battery charged 40 to 60 times faster than a typical Li-ion battery. (The battery was run down to zero and then charged again — which is referred to as a charge cycle — 100 times and showed little sign of degradation.)
The researchers expect the hp nc8430 battery technology to be commercial in a few years.
Downside of li-ion batteries
The problem with today’s lithium-ion batteries is that they must be charged and discharged slowly to prevent the anode from falling apart. (Batteries include two electrodes: the positively charged cathode and the negatively charged anode.)
Inside the Hp dv2000 battery , lithium ions move in and out of the anode, causing the negatively charged electrode to swell and shrink. This change in volume puts stress on the anode and, over time, this stress accumulates to the point where the anode stops working. (This is why a year-old iPhone battery, for example, must be charged more often than a new battery.)
“If you charge and discharge very slowly then the stress buildup is not that serious a problem, but if you try to charge and discharge too quicky then the stress buildup is so instantaneous that it becomes a problem … slowly the Hp pavilion dv6 battery starts to get worse and worse, and then at some point it will fail completely,” said Nikhil Koratkar, co-author of the study and a professor at RPI.
To address the stress, the researchers developed a new anode made from nanomaterials.
“The advantage of nanoscale is that the structures are very flexible,” Koratkar said. “They can withstand a change Hp dv9700 adapter in volume, and they tend not to fracture and fail.”
But nanomaterials have been tried in the past, and while they show some improvement they don’t have the quick charge-discharge time exhibited by the nanoscoops. For instance, a quick discharge would be useful in electric cars to accelerate after stopping at a light.
Instead of just one nanomaterial, the team created a layered structure of carbon nanorods coated with a thin layer of aluminum and topped with a scoop of silicon. Each layer acts as a sort of “stress absorber” for the next layer, reducing the overall stress felt by each Hp pavilion dv7 battery individual material and resulting in an improved anode.
“You sort of create this increase in strain where you’re going from zero strain on the substrate to a small amount on the carbon, to more strain on the aluminum. [And] then you’ve got maximum strain on the top,” Koratkar said. “That gradient in strain means that the structure is less likely to peel off or break off the substrate.”
Next steps
The next step will be to scale up the nanoscoops.
The amount of charge stored in a Li-ion battery is directly related to the mass of the electrode. And because these nanoscoops are so light, they need a lot of room to reach the necessary mass  Hp pavilion dv9700 battery (approximately one gram for a typical cell phone). Because there are size constraints with consumer electronics, there isn’t an option of making the anode larger horizontally.
Instead, the researchers will either grow longer nanoscoops to possibly increase the length from its current 170 nanometers to a few microns. Another technique would be to create more layers of nanoscoops.
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New Technology Speeds Up Charging

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