Early Warning Bark Worse Than Bite

An Israeli firm has designed a security system to ensure jailbreakers or intruders find a guard dog's bark can indeed be worse than its bite.

Harnessing technology that interprets barking -- to see if an animal is responding to a threat instead of just routinely woofing -- the company aims to replace or supplement expensive electronic surveillance systems.

"There is currently very little utilisation of the watchdog's early warning capabilities," says privately owned manufacturer Bio-Sense Technologies, based in the Israeli town of Petah Tikva,on its Web site.

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