...yeah, I use the same thing (software wise) in class. Only teenages/young adults can hear it.

Will find the URL for it.

http://www.jimmyr.com/blog/Hearing_Loss_test_Human_Frequency_Range_164_2006.php

Impertinent question perhaps, but how long will it take before punks start stuffing in ear plugs when somebody turns this thing on?

So, in Tony Blair's Britain it's ok for shop owners to actively assault youth with high frequencies but not ok to use cameras to passively watch them?

I know lots of you guys are long in the tooth, but where's your sense of outrage?

someone needs to come up with a Liberal control device that simulates the sound of an Auditor's footsteps coming.

Not entirely foolproof. We tested adults and there are still some who can detect 21kHz which is above the normal range of human hearing even at younger ages.

It also depends how careful they are at protecting their hearing. I've found some people take care of their hearing to the point it does not diminish at the same rate as a normal adult.

In other words it is good, but a shopowner may drive off some potential customers. Expect the court cases to begin.

"It also depends how careful they are at protecting their hearing"

EH? You mean all those teen years of Led Zep and BOC and other air guitar music wasn't good for me?

A little off-topic,the bank where I frequently use the atm has a rather large lobby which was quite inviting to the ne'er-do-wells in the area. They installed a device that emitted a piercing howl until the door was activated. Then you had a few minutes of quiet to do your business. It was effective,but for reasons unknown they stopped using it.

I was in Calgary last year. A local church was having trouble with kids hanging out on their lot at night, a well lit area.
The Pastor turned the outdoor PA system on, playing songs such as "What a Friend I have in Jesus." Needless to say, the kids scattered and never returned.

...20th Century equivalent of turning into a crank on the porch cradling a shotgun?

"Needless to say, the kids scattered and never returned"

....probably a bunch of PK's.

"I know lots of you guys are long in the tooth, but where's your sense of outrage?"

We lost it when it became illegal to use the time honoured methods - like lifting their rear ends with a boot when they didn't leave as told.

Want to scatter loitering teens in a hurry...offer to employ them doing a manual labor task like shovelling snow, raking leaves, cutting lawns and hedges, painting houses, moving furnature....they scatter like skeeters from a 30k cycle emitter.

Do we have any lawyer/doctor hybrids in the house?
Just wondering what sort of trouble this guy is getting himself into by marketing a product that irritates and perhaps destroys the hearing of kids?
Why not just use an airhorn?

"We lost it when it became illegal to use the time honoured methods - like lifting their rear ends with a boot when they didn't leave as told."

Exactly...And most of modern western societies' ills can be logically extrapolated from that succinct observation.

umm.... we all were teenagers once. In case we have forgotten. I do agree they can be annoying sometimes. But they are people.

yes.teenagers. I was one and now I own several.

and the sins of the father shall be visited upon the sons and on ad infinitum.

Can you imagine what the Canadian courts would do to anybody who tried selling those things here? The shriek those little contraptions make will be nothing- NOTHING- compared to the howls you'll hear from every civil/human/moonbat rights group in the country. Then again, maybe that noise will drive the kids away, too.

The problem, as I see it, is that in most towns the kids do not have a decent place to "hang out". A few small towns in eastern Ontario(Madoc, Napanee) have built skate/rec parks, and they seem to work quite well. Being the father of 3 daughters, I am fully aware of how few(unless they play organized sports)activities there are for today's kids. This is what happens when a good part of a whole generation are abandoned by their parents(I make it a point to do at least 2 activities per week with each child). Don't blame the kids, blame the idiot parents.

Some very good comments put forward to this point. I grew up in the city so my view point is limited to city folk but the good kids I knew were at home doing school work while the "other" kids were hanging out at 7-11. (I spent some time in front too,)
Could it be that we should be looking at the school system not giving the kids enough work to do at home? Times have changed and technology has made it easier to do more work but could it be that students have too much time on their hand because of new technology? Shame this new technology may work against some of them not willing to use the new tech.
Interesting times we live in.

Long after I had first heard of this technique I saw it in action (but only once) in a Vancouver suburb, and it had me smiling for the rest of the day: a 7/11 near a school was playing opera music over outside speakers. Very clever I thought. Not a teen in sight! A culturally uplifting solution sans nastiness.

Oh, and I was in and out pretty quick too :).

I'm going to try that link and try it with my 16 yr old, waking the dead is easier. Now I make sure his pc speakers are way up (they go quite loud) and have Tiny Tim's renditions of TTTTT and Great Balls of Fire blasting off at 7:15am -but he's getting immune to it.

at 622 pounds each these little devices are $1368 or so...just play Mozart, that'll get rid of the buggers

We lost it when it became illegal to use the time honoured methods - like lifting their rear ends with a boot when they didn't leave as told.

and when we lose that right as parents we lose control. when parents lose control of their children...the parents and children lose.

tomax7... What? You'll have to speak louder, my ears are still ringing.

jim....our focus group indicates that "what a friend we have in Jesus" sung by ANDY GRIFFITH is almost 3 times as effective in crowd control.

Kate...steel toe or wingtip?

Does anyone remember "The Mosquito" ring tone for cell phones? There were a group of kids who (erroneously) thought that adults couldn't hear this ring tone so they were using it while in class.

I'm not a genius here, but I would have to think the type of fidelity required to clearly reproduce a tone at the upper range of human hearing cannot be found on a "give it away for free with airtime" cell phone bought at 7-11.

I guess that's why the stand alone device costs much and works well.

Kingstonlad: The problem, as I see it, is that in most towns the kids do not have a decent place to "hang out".

Really dating myself here but when I was young a major haunt (or three) was somebody's basement rec room. You know, just like That 70's Show. That was in addition to the pool, rink, cadets etc. Last thing anybody wanted was to hang out where adults could see you (and inform your parents that you were seen loitering around xy or z).

Texas Canuck, those were the days when our mothers were able to stay home and raise us guys. All the moms and neighbours knew what kid belonged to which family, an amazing network, and seemed to able to track us everywhere. Also we kids had respect for adults and our physical surroundings and would never think of destroying property with graffitti as our parents would have made us clean it up!

Having basic common sense rules in our society and particularly the schools made things run fairly smoothly. The leftist mentality of weakening or eliminating these rules makes it so much harder to maintain any discipline and IMHO we are suffering for it. My son was allowed to wear a baseball cap in class, why. A 30 year university professor wrote last week in the Toronto Sun that he has seen a steady decline in the quality of his students with terrible fundamentals in English, math and other core subjects. A boy was just stabbed to death at my old high school and the gang problem is leading to metal detectors and security guards.

I realize it is different times now but we never had time to hang out, to busy doing other stuff.

"...20th Century equivalent of turning into a crank on the porch cradling a shotgun?"

You say that like it's a bad thing.

"umm.... we all were teenagers once. In case we have forgotten. I do agree they can be annoying sometimes. But they are people."

Oh yes, I *do* remember myself as a teenager alright. That's why I'm surprised that there aren't roving death squads out there authorized to exterminate teens on contact.

"Kingstonlad: The problem, as I see it, is that in most towns the kids do not have a decent place to "hang out"."

It's called spending the evening at home with your family, helping with the household chores, doing your homework, and studying (yes, it is possible to do that at times other than the night before an exam).

Any parent who lets their kids spend all evening hanging around a shopping centre while IMing their friend five feet away on their latest fad cellphone is also in need of Kate's boot.

PDD: Parental Deficit Disorder.

I've heard of classical music working in parks. As it comes to kids not having a place to hang out, I know the problem all too well. I grew up in small mining towns in northern Quebec. We had no places to hang out, no counsellors, no social programs, no basketball courts. However, the parents and teachers combined to create a very effective, even ingenious method for keeping us occupied in our off hours. They called it "homework". Admittedly it could not possibly have been as effective as after school "programs" could have been, (I've sort of washed up as a medical specialist in a tertiary care academic teaching hospital -- but that's life) and I often pine for who or what I could have been if our schools had been more "inclusive", but hey, we certainly didn't loiter around the corner store, (perhaps, in part because we would have frozen to death).

...maybe they can play Def Zeppard and other heavy rock at Safeway checkout lines to speed them up?

"Conservatives" applauding a state sanctioned automatic human herding device. Funny.

This technology will no doubt prove useful on a number of fronts. Perhaps it could be installed in establishments purveying unhealthy, anti-social ideas, like churches and boxing clubs. Certain TV channels and websites could emit the signal. We could block children from being exposed to unsavoury notions like global warming "denialism". The potential applications are endless.

It's enough to make one giddy.

the mullahs could start prayers five times a day with one of these. In a generation they woundnt be needed. the mullahs or the devices.

Opera music was used successfully at Montreal's train station to get rid of loitering teen gangs.

Not that I have any objection to the sonic device. My one concern is that the teens have probably already irreparably damaged their own hearing by blasting rock music on their earphones and iPods, and the device will be ineffective.