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Back to school - with the phone call your teacher can't hear
Students have always tried to best their teachers in the small-scale warfare that is school, and now they have biology and technology on their side - at least where mobile phones are concerned. The psycho ringtone has arrived in Austria.
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Mosquito device considered to tackle rowdy youths
AN ULTRASONIC device that deters teenagers with a high-pitched noise is being considered for a site in Yate plagued with anti-social behaviour.
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One Device Tracks Gunshots; Another Stops Teens from Loitering
Richland County deputies have unveilved two new high-tech devices which they say should help to combat and reduce crime.
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Latest bid to fight bad behaviour
The Richland County Sheriff’s Department is putting two pieces of technology in the field to detect gunshots and disperse young loiterers without the presence of deputies.
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Latest bid to fight bad behaviour
UNRULY teenagers are making the lives of people in Berkeley a misery according to residents. Frustrated residents claim criminal damage, noise, speeding and underage drinking are all becoming a common scene late at night in Berkeley town centre. The public toilets on Marybrook Street are also believed to be used for suspected drug abuse and sex acts.
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'Mosquito' deserves try
A recent letter writer was correct with his statement that the Mosquito ultrasonic teen repellent operates at 80 to 90 dB and emits a frequency of 18 kHz. This was an obvious miscommunication.
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Town turns to a teenage repellent
The mosquito device has been put up at the Willows Arts Centre in George Street
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The Mosquito

What is the mosquito?
Launched on the commercial market a few weeks ago, the Mosquito is a small black box that emits an electronic noise so annoying to the ears of juveniles and young adults that they can't stand it for more than a few minutes. Giddiness and even nausea have been described when the noise is emitted.

The Mosquito Creator
Mosquito was created by Howard Stapleton. He is the son of a former chairman of the British arm of Ever Ready batteries and says the idea dates back to his childhood. 'The idea dates back from when I visited one of the firm's factories in the Midlands with my father when I was 12. I was shown into a room where people were using a technique called ultra-sonic welding, in which plastic was melted and fused using high frequency sound. I walked in with half a dozen adults and was hit by this excruciating noise. I had to leave almost immediately. When I told them I couldn't bear the sound, they asked: "What sound?" because they couldn't hear it. And that stuck with me.'

Howard later served an apprenticeship at British Aerospace before entering the security industry in which he has worked for the past 20 years.

Howard said the idea came to him again when he was shopping at his local store. ‘Of late it has had a lot of problems with youths hanging about and I just didn't fancy running the gauntlet.' After speaking to the shop's manager he offered to invent a solution that would stem this loss of trade.

Trial And Error
His aim was to create a machine that would emit a noise that was unpleasant to young people and so discourage them hanging around the shop. His first attempt was a combination of classical music -- a supposed deterrent to loitering gangs which was pioneered in American malls -- overlaid with his own idea of high frequency sound.

Howard experimented with his four children, Henry, six, Madeleine, ten, Alexandra, 11, and Isobel, 15, and her boyfriend Jonathan. ‘While classical music does have an effect, it takes a long time and doesn't always work. Alex even said she liked it. So Mozart was dropped in favour of pure noise.’

Mr Stapleton worked on the assumption that our hearing deteriorates with age. While a baby might detect a sound as high-pitched as 22KHZ, someone in their late 20s might be aware of it only when it drops to 15 or 16KHZ, he says.

Who can’t hear the sound?
The Mosquito is harmless and people above 25 simply cannot hear it. Or if they can, they are not troubled by it.

Mosquito Successes
The Mosquito is already in use outside a small number of shops and private homes, and is being tested by police forces, councils and railway station operators; the Mosquito is proving highly effective.

Author N/A
Publication ITV's This Morning
Date 22 February 2006
Link www.itv-thismorning.co.uk

 

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