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2011年2月16日星期三

iPhone 5 specs outshine iPad 2 for fence sitters

 The iPhone 5 is set to bring imbalance to the force as its hardware specs appear set to outshine those of the iPad 2, as Apple’s two new high profile releases of 2011 gear up for an in-house spitting match as far as which one scores the highest in the upgrade department. At present, the existing iPhone 4 and first gen iPad find themselves fairly well matched. They both sport an A4 processor, and while the current iPhone has the superior screen quality, the current iPad offers a larger high-end storage capacity. But various bits of quasi-inside information are now floating around which peg the iPhone 5 as having a next-gen A5 processor even as the iPad 2 remains on the slower A4 platform. This is on top of the fact that while the iPhone 5 screen will remain at least as high quality as that of the current iPhone, there are repeated claims that the iPad 2 screen won’t even reach the quality of the one already found in the iPhone 4, as well as the assertion that the iPad 2 camera will only have a fraction of the megapixels of its iPhone counterpart. Bummer for those who are looking to buy both, but perhaps an easier decision now for those sitting on the fence as to which of these two new products they plan to pick up.
So does this mean the iPhone 5 will succeed with flying colors and the iPad 2 will lay an egg? Hardly. Predicting a device’s success based on specs alone rarely goes anywhere. For instance the iPod touch 4 offers a 64 GB storage option while the iPhone 4 tops out at 32 GB, and yet the iPhone still vastly outsells the iPod touch. In fact in the early days of the iPod, competitors routinely attempted to compete by packing heavier specs into their devices, which never did get them anywhere.
And with the iPad 2 and iPhone 5 coming from different product categories, they’re not competing directly with each other anyway. But there will undoubtedly be some users who already have an iPhone and an iPad, and know they only have the budget to upgrade to the new generation on one of those fronts in 2011, and will be looking for signs as to which new Apple product they should exchange their dollars for. For many consumers in such a position, it’ll come down to whether they happen to have more use for a newer better phone or a newer better tablet. For for others on the fence, the apparent lack of gee-whiz hardware specs in the iPad 2 may open the door for the iPhone 5 to claim many of the fence sitters – assuming the iPhone 5 ends up offering major spec upgrades in its own right.
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2011年2月10日星期四

Tech Notebook - Even with a Verizon iPhone and momentum for Android

We've been writing a lot this week about Apple's iPhone -- and its availability next month through Verizon Wireless.
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Without the iPhone, Verizon's lineup has been dominated by smart new phones -- such as Motorola Mobility's Droid X and Droid 2 -- that run Mountain View Internet juggernaut Google's Android operating system.
Even with a Verizon iPhone, Palo Alto industry analyst Canalys predicted this week, Google's Android army will grow more than twice as quickly as its major smartphone rivals. "With Android's momentum expected to stay strong, the installed base of Android-based smartphones and pads will rapidly increase," Canalys senior analyst Daryl Chiam said in an e-mail.
As of the third quarter of 2010, Android had an estimated 25.1  percent share of the global smartphone market, according to  Canalys, compared with 17.4 percent for Apple's iPhone.
Smartphone and computer makers including Motorola, HTC,  Samsung and Acer are planning numerous Android devices in  2011, Canalys noted.
"Vendors are trying to differentiate further on the hardware  front, with faster and more powerful processors, as well as larger screen sizes," Chiam wrote. "Last week, LG announced the first smartphone to support a dual-core processor, while Acer and Samsung showcased smartphones with screen sizes of 4.8 inches and 4.5 inches, respectively."
Other analysts expect Verizon will sell millions of iPhones this year, with many of those
buyers choosing the Apple device instead of Android phones or Research In Motion's BlackBerry devices.
Gleacher & Co. analyst Brian Marshall expects Verizon will sell 12 million iPhones this year, according to an e-mail this week. That's in line with estimates from other analysts. Ticonderoga Securities' Brian White, for example, forecast that Verizon could sell 11.7 million iPhones in 2011.
Is the West Coast the best coast? This week, our friends at Bloomberg News profiled venture capital firm Greylock Partners, increasingly a Silicon Valley powerhouse since it moved its headquarters to Menlo Park from Boston in 2009.
Greylock, the Bloomberg story noted, has invested in four big Internet upstarts: Palo Alto social networking powerhouse Facebook, Mountain View professional networking site LinkedIn, San Francisco social games developer Zynga and Chicago online daily deals site Groupon. Jeff Clavier, founder of Palo Alto-based SoftTech VC, even described Greylock as "the cool, new kid on the West Coast."
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Oddly enough, though, Palo Alto venture capital firm Accel Partners (also a Facebook investor) revealed on the same day that it's opening a New York office. "We are seeing a rise of opportunities and increasing momentum, thanks to the convergence of retail, media, fashion and technology talent in the New York area," Accel partner Theresia Gouw Ranzetta explained in a news release.
Accel has already invested in 15 Big Apple-based companies, including such fashionable names as Etsy, Squarespace and Glam Media.
Real estate reviews: The Seattle real estate website is known best for its home value "Zestimates." (As for this writer, given how much his mortgage is underwater, he tries not to look.) This week, Zillow added a new feature: reviews and ratings of real estate agents.
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2011年1月25日星期二

Electric Car Runs on Laptop-Style Battery

The day might come that you can switch out dell inspiron 1525 battery between your laptop and your car.
That's thanks to new technology being explored by Tesla Motors,which claims that its cutting-edge electric dell inspiron 1300 battery are cheaper and more lap-top-like than competitors.

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High Quality–The laptop batteries ,laptop ac adapter,camcorder Batteryand digital camera battery are rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications.
Of course, "cheaper" is a relative term. The Model S, which uses the new technology, is nearly $60,000. The company, which has yet to turn a profit, expects that selling 20,000 units will be the break-even point.
There's no talk about the dell inspiron 1000 battery environmental impact. Laptop batteriesrequire extensive mining and manufacturing processes, and can cause toxic pollution after their disposal. And no matter how cost-effective or clean a car is, it's still a car, and requires toxic asphalt and tar roadways in order to get around.http://www.bestlaptopbattery.co.uk/dell/gd761.htm
In contrast to Tesla's cheaper cells, Nissan's much-hyped Leaf car uses larger, more expensive batteries. Nissan has said that because of the expense of building the car, they'll need to sell a half million before they break a profit. But the possibility exists that the federal government may step in to partially subsidize the project.
The Leaf costs about $32,000.
Those costs might still come down if consumers embrace electric cars. With gas prices expected to skyrocket over the next two years, drivers will certainly be interested in exploring methods to reduce their gas consumption. Some crazy innovators might go even further, and consider taking the bus once in a while.
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Battery Care - Measure the power consumption of notebook battery

Why laptop battery capacity reduce as time? Why battery calibration can improve battery capacity? How to charge the battery correctly? All above probelm are related to battery power consumption. Open circuit voltage measurement ... ...  Coulomb measurement,impedance measurement,what are these terms mean? Here we will simply introduce all of them!
Whether it is the out nickel-metal hydride laptop batteries, lithium-ion Dell laptop battery , or not commonly used lithium polymer batteries, and even coming silver zinc batteries, are equivalent to the a storage warehouse of electronic power.http://www.bestlaptopbattery.co.uk/apple/a1175.htm The differences between them is that the way out of the Treasury, the volume of stocks it. In laptop batteries, there is a power manage center - power consumption chip, it is the management of power measuring, charging and discharging managing.
In the measurement of battery technology, there are four kinds common method (open-circuit voltage measurement, Coulomb calculation, impedance measurement,integrated look-up table method), but not all IBM laptop battery used only one method, usually using a combination of methods to one of the main method of supporting the rest of the way computing power. The first one is the open circuit voltage measurement, this method is that measuring the battery voltage under static values to calculate the remaining battery capacity, but as a result of stationary lithium-ion battery voltage and remaining capacity relation is non-linear,so this method  measured valueis not accurate,the vast majority of mobile phone batteries are calculated using this method;
The second one is Coulomb calculation,the method is by measuring the laptop battery charge and discharge current, the current value and time value After the calculation of product integration has been carried out by filling the battery into the power and the release of electricity, Coulomb's method is a accurate method of calculating power;
The third one is the impedance measurement, measuring its resistance to get the remaining battery capacity value; the fourth is a comprehensive look-up table method, by setting up a related form, the voltage, current, temperature and other parameters, you can query the remaining battery capacity.

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Therefore, in addition to the internal structure of the laptop batteries,there are control chips,the chip which contains 1-2 kinds of batteries power measurement method of calculation, and a charge-discharge protection circuit.HP  laptop battery manage program had been setted in the system,and through access to the chip-driven interface,and then set on the battery management.
So,why the Toshiba laptop battery will become weak, but the battery calibration can improve the battery capacity?Notebook battery 6-cell and 4-cell,means that there are a number of battery cells inside the battery.The batteries cells conenect together, the battery capacity reduce reason is that: all the batteries quality and discharge rate can not be in the same level.After discharge, one battery cell capacity in substantial reduction, in order to maintain voltage stability, the battery management chip will be according protection of core power as the bucket principle ;so after the electricity charge will decrease.
Battery calibration is to balance the multiple batteries cells,the Apple laptop battery cells own internal resistance can not be completely consistent,the large internal resistance battery will shoulder the larger current, and its own consumption more than the other batteries.So regular battery calibration is necessary - it can balance the burden of multiple batteries work and prolong the whole dell latitude d620 battery life.
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