Keep seized phones in metal-plated Faraday bags or other radio-frequency-shielded container until their data can be copied.
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Both sending and receiving stations would, however, need some mechanism to encode and control the frequency-hopping pattern.
Microvision's current pico projection engine uses red and blue laser diodes and a frequency-doubled "synthetic" green laser to create a full color image.
Other studies show that men and women lie with equal frequency--though women are more likely to lie to make other people feel good, while men tend to lie to make themselves look better.
U.S. Patent No. 2, 292, 387 for a "Secret Communication System" was issued to Hedy Kiesler Markey and George Antheil in 1942. (Markey was the surname of a husband she had divorced in 1940.) The frequency-hopping technology was not put to use in World War II, but it was employed in 1962 during the blockade of Cuba.
Establish high-frequency turn-up-and-go bus and tram services in all main centres, and give buses and trams priority over cars.
Boy Genius Report is reporting that sounds played by the phone are immediately followed by some sort of extremely high-frequency tone -- the kind little kids and the next door neighbor's dogs hear, but you may not.
Under the hood, PLAYBAR gets its punch from nine individually amplified speakers: six mid-woofers to deliver deep, rich low-frequency sounds, and three tweeters for crystal clear high-frequency detail.
The mobile firm has made no secret of its desire to get its hands on lower-frequency spectrum, which can cover much larger areas and offers better indoor coverage than the high-frequency spectrum it currently owns.
The dominance of short-termism is evidenced by the magnitude of institutional stock "renting" for terms of 12 months or less, the volume of high-speed, high-frequency algorithmic short-term trading, the short average tenures of chief executive officers and the dominance of executive compensation tied solely to short-term results.
Notably, the most spirited discussion I attended was about whether high-frequency trading hurts long-term investors.
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And Project SHIELD provides fidelity and dynamic range never before available on a portable device, through its custom, bass reflex, tuned port audio system -- with twice the low-frequency output of high-end laptops.
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What does Dr Paxton - who is using the Loch Ness phenomenon to analyse how science handles anecdotal and low frequency data - think?
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In the future, the product line will also include high-speed radio frequency and power-line connectivity solutions.
They looked at homicide-rates and the frequency of left-handedness, and found they appeared to be linked.
High-frequency trading accounts for some two-thirds of all trading volume, experts say.
For a more enjoyable calling experience it also uses age-specific frequency adjustment and real-time speech slowing to help make calls crystal clear.
Once the high-frequency trading seemingly subsided immediately post-announcemnt, the real selling ensued.
The Australian research focused on the thermal effects or specific absorption rate (SAR) of radio frequency radiation - a measure of its actual effects on brain tissue, whereas the earlier study simply looked at electromagnetic radiation levels.
Eurostar hopes other new features -- such as Wi-Fi and a greater frequency of services -- will help increase its popularity.
Linen Technology Tracking, a Miami-based company, recently patented a radio-frequency identification chip designed to keep real-time inventory of frequently misplaced or stolen goods.
Another goal: to make Songdo the largest so-called ubiquitous city, where wireless networks and radio-frequency identification will link all information systems--every laptop, stoplight, cell phone, TV and toaster.
Another trend that he says concerned him: the central role high-frequency firms play in the trading of exchange-traded funds.
The Wall Street Journal says the Securities and Exchange Commission is looking into whether high-frequency trading firms are distorting prices by quote-stuffing, placing huge numbers of orders and canceling them.
It's always nice to see an old tech stage a comeback and this time it's happening around the coasts of Europe, with nine low-frequency radio transmitters substituting for GPS' satellite-based system. eLoran's radiowave-based system is stronger than satellite signals and less jammable, based on the Loran system that was previously used for shipping navigation by both the British and US navy over 50 years ago.
Meanwhile, 802.11g is as fast as 802.11a but uses the same 2.4-GHz frequency range as current Wi-Fi.
They could be used to make cheap radio-frequency identity tags in essence, printable bar-codes that transmit an identifying code in response to a pulsed radio signal.
Manoj Narang of Tradeworx, argued that high-frequency traders create liquidity and hold less capital than a mid-size hedge fund.
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One such project is called NewsFlash, and uses high-frequency red and green light to transmit data to the built-in camera on a receiving device -- in this case Samsung's Epic 4G.
Then there was the North Yorkshire community school which had turned the Pi into an RFID (radio-frequency identification) reader to measure lap times in their cross-country races, and the London independent school whose pupils had come up with Teacher's Pet, a way of delivering homework via USB sticks plugged into the tiny computer.
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