Showing posts with label system. Show all posts
Showing posts with label system. Show all posts

Friday, February 10, 2012

Toyota demos Prius' proximity notification system, touts 'futuristic' purr (video)

Silence may be a virtue under most circumstances, but not when you're driving around a leafy, residential neighborhood in your Toyota Prius. That's why the manufacturer came out with its very own vehicle proximity notification system last year -- a "futuristic," underhood noisemaker designed to alert pedestrians and the visually impaired to the plug-in's presence. Now, Toyota has offered more details on its safety system, in a freshly released demo video starring the 2012 Prius V. The car's artificial engine noise, as the company explains, only kicks in at speeds below 15 miles per hour, allowing it to broadcast its audible heads-up across parking lots or other low-speed zones. The sound itself, meanwhile, emanates from external speakers and consists of a blend of high and low frequencies that won't be by muffled by background noise or physical obstacles. The vehicle's pitch shift technology also enables the tone to rise in pitch as the car speeds up and to fall as it slows down, giving others an idea of how fast it's approaching. Accelerate past the break to see the full video for yourself, while John Kerry nods in silent approval.

View the original article here


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Saturday, October 1, 2011

Cloaklet: zero-knowledge private messaging and file-transfer system

Cloaklet is a service that provides end-to-end private IM, email and file-transfer. The system uses three physically and logically separate systems, each of which has limited knowledge of what the other is doing, theoretically creating a system where there is zero knowledge -- that is, where the service operator can't say who is talking to whom, what they're saying, which files they're storing, and so on.

No one has independently audited Cloaklet's design and implementation (though the company has posted its source-code), but on its face it sounds like it should be a secure and trustworthy site -- that is, a site that you can trust even if its operators turn rogue or if its security is compromised or if its servers are confiscated by government, which is better than its competition, whose designs don't seem to encompass these objectives.

Cloaklet (Thanks, Mark!)


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Saturday, August 27, 2011

FBI deploys fingerprint system for mobile devices

Federal Computer Week reports on a new mobile system deployed throughout the United States that allows police officers to check fingerprints of someone, say, pulled over for a traffic stop or arrested for some reason, against a database of fingerprints belonging to high-risk offenders and terror suspects. The system is now available to thousands of state and local police nationwide.
The new Repository for Individuals of Special Concern (RISC) is part of the FBI’s Next Generation Identification (NGI) system. RISC has been tested in Texas, Florida and several other states for two years and is now being implemented nationwide, FBI officials said in a statement. (...) The NGI system compares the fingerprints against a registry of 2.5 million sets of fingerprints of wanted persons, known or “appropriately suspected” terrorists, Sex Offender Registry subjects and others, said Kevin Reid, program manager for NGI.

The database is designed to include individuals who are repeat offenders of the most serious crimes, considered the nation's "worst of the worst," he said.

The automated matching process sends a response to the officer in about 10 seconds, Reid added.

Although many states and communities have deployed mobile devices for fingerprint checks, those devices were only capable of checking local and state databases. RISC uses a national database, which can help identify individuals wanted for serious crimes in other states.

More: FBI deploys fingerprint system for mobile devices -- Federal Computer Week.


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