device是什么意思？

Today, Americans are finding their own tips and tricks   for fixing malfunctioning devices with supplies as simple as paper and glue.

Wireless devices will transmit signals so as to activate the alarm once something wrong is detected.

That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.

SimpliSafe's device can send a warning to the house owner's cellphone.

SimpliSafe provides devices that are able to distinguish incidental radio interference from targeted jamming attacks.

Security devices are required to list the frequencies they broadcast on—that means that a potential thief can find what they need to know with minimal Googling.

Burglars can easily get a security device's frequency by Internet search.

Any device that's built to receive a wireless signal at a specific frequency can be overwhelmed by a stronger signal coming in on the same frequency.

A burglar has to continuously jam the wireless security device to avoid triggering the alarm, both inside and outside the house.

It should be made clear that not everyone has a device to record their sleep patterns; in some of these nations, it's likely that only the richest people do.

Many people's homes now have more powerful, and more flexible, devices than their offices do; consumer gadgets and online services are smarter and easier to use than most companies'ystems

Early models often failed to withstand crashes, however, so in 1965 the device was completely redesigned and moved to the rear of the plane – the area least subject to impact – from its original position in the landing wells (起落架舱).

It is an indispensable device on an airplane

One of the student inventors, Camellia Rupcich, says the device changes the energy released from the plant into low-level power to charge phones.

The device plugs into the ground, and then into a mobile phone.

The elephant in your living room is your Internet-connected security camera, a device.

The three engineering students got the idea for the device while sitting in their school's courtyard.

Three university students in Santiago, Chile, have developed a plant-powered device to charge their mobile phones.

with the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?

find digital devices simply indispensablecommunicate primarily by mobile phonelight their homes with stored solar energydistribute power with wires and wooden polesbenefit their business transmit power faster promote innovationencourage competitionIt might become a thing of the past.

We've held on to this workday structure – but thanks to our digital devices, many employees never really clock out.

The market demand for electronic devices is now either declining or not growing as fast as before.

The Consumer Electronics Show in recent years has begun to focus more on the practical value than the showiness of electronic devices.

That could be another explanation for why companies seem to be strengthening their talk of the practicality of their devices.

Meanwhile, emerging technologies – the drones, 3D printers and smart-home devices of the world – now seem a bit too old to be called the next big thing.

It is still easy to be dazzled by the display of drones ( ' , 无人机 ), 3D printers, virtual reality goggles ( ' , 眼镜 ) and more smart devices than you could ever hope to catalog.

For instance, new technologies that are building upon existing technology have not found their footing well enough to appeal to a mass audience, because, in many cases, they need to work effectively with other devices to realize their full appeal.

Flexibility resulting from the use of digital devices benefits employers instead of employees.

Even among people who have bought connected devices of some kind, 37 percent said that they are going to be more cautious about using these devices and services in the future.

Consumers are often hesitant to try smart-home devices because they are worried about compatibility problems.

But over the last couple of years, and in this one in particular, we are starting to see companies shift from what is the largest screen size, the smallest form factor or the shiniest object and more into what all of these devices do that is practical in a consumer's life.

And 29%, the invisible risk group, scored high on three in particular: They spent five hours a day or more on electronic devices.

A full 18 percent have even returned devices until they feel they can get safer guarantees against having their sensitive information hacked.

And there is more to the story, because not only are the devices that house incandescent bulbs shaped to their underlying characteristics, but rooms and entire buildings have been designed in accordance with how incandescent lighting reflects off walls and windows.

Are people suffering from gadget overload? Are they exhausted by the consumer equivalent of the brain fatigue—information overload—that is caused by constant updates of devices and online media?As you are probably aware, the latest job markets news isn’t good: Unemployment is still more than 9 percent, and new job growth has fallen close to zero.

Professor Summers said of the iPhone, after the device and its capabilities were explained to him.

The always-on Internet devices raise some novel possibilities, like tracking where students gather together.

Students already have laptops and cell phones, of course, but the newest devices can take class distractions to a new level

She speculated that professors might try even harder to make classes interesting if they were to compete with the devices.

Providing powerful hand-held devices is sure to fuel debates over the role of technology in higher education

Abilene Christian settled on the devices after surveying students and finding that they did not like hauling around their laptops, but that most of them always carried a cell phone, Dr. Dickson said.

At least four institutions - the University of Maryland, Oklahoma Christian University, Abilene Christian and Freed-Hardeman- have announced that they will give the devices to some or all of their students this fall

the wireless carrier offering the iPhone in the United States, had a more reliable network, said Andrew Yu, mobile devices platform project manager at M.I.T.

Both the iPhones and the iPod Touch devices can connect to the Internet through campus wireless networks

My colleagues and I are studying something called augmented reality (a field of computer research dealing with the combination of real-world and virtual reality)," said Christopher Dede, professor in learning technologies at Harvard University, "Alien Contact," for example, is an exercise developed for middle-school students who use hand-held devices that can determine their location.

The rush to distribute the devices worries some professors, who say that students are less likely to participate in class if they are multi-tasking

find new applications for iPod Touch devices

have difficulty learning to handle the devices

What's more, grades are not only an educational device but are also part of a screening system to help assign kids to their next class or program.

The platform is lowered into the garage, and it is then transported to a vacant parking space by a computer-controlled device similar to an elevator that also runs sideways.

And to get at the contents of a single iPhone, the government says it needs a court order and Apple's help to write new code; in earlier versions of the iPhone, ones that were created before Apple found religion on 热衷于 privacy, the Fbi might have been abl

But the next question is, are the drops in average well-being happening at the same time as trends toward increased electronic device usage?

If Apple alters the security model of future iPhones so that even its own engineers' "reasonable assistance" will not be able to crack a given device when compelled by the government, a precedent set in this case might lose its lasting force.

It's no wonder that new applications for the Internet of Things are moving ahead fast when almost every new device we buy has a plug on the end of it or a wireless connection to the internet.

On Jan 9, 2007, Steve Jobs formally announced Apple's "revolutionary mobile phone"—a device that combined the functionality of an iPod, phone and Internet communication into a single unit, navigated by touch.

One 2013 study of college students found that 80% of students use their phones or laptops during class, with the average student checking their digital device 11 times in a typical class.

The video reports a new study using an eye-tracking device.