Electronics & Test
Pepper Spray Catches Your Attacker on Video

David Bonneau of Enginasion: 'It's the ultimate exercise in mechatronics design.'
David Bonneau of Enginasion: "It's the ultimate exercise in mechatronics design."

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And for the ignorant post of the day...
kleetus   8/1/2012 9:15:01 AM
Neat use of technology, but if you just carry a gun, the attacker will be right where you left him! (In the order of fairness, I could have said her, too, but statistically, not very common)

I carry a gun simply because a cop is too heavy.

Ebay has some very small HD cameras, the size of a key chain in fact. $5... Low light performance is poor, but with some simple upgrades it shouldn't be hard to get that corrected.

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Re: Use for litigation
naperlou   8/1/2012 8:51:27 AM
Communicating through Bluetooth is a good idea.  Then you could have an app on the phone that communicates the way you want to.  If it is the local police, then that is who is called.  I guess that the "issue" is the storage of the video.  Perhaps there could be a clooud service for storage of the video.  Of course, if you have a service that is set up the way the designer has specified, then you do that.  I

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Re: Important lessons in mechantronics design
gsmith120   7/31/2012 6:36:58 PM
Beth, you took the words right out of my mouth.  The device in the pic is large, just showing it to someone would be enough to scare them off.   lol. 

It is a good idea can't wait to see the final product.

TJ McDermott
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Use for litigation
TJ McDermott   7/31/2012 12:34:45 PM
I see this as useful for litigation on both sides, as long as the video doesn't conveniently "disappear".

I think there needs to be a reevaluation of how many cell-connected devices one must carry though.  If this device is going to call the police for you, one likely has four or more cell-service devices at close hand - the pepper spray can, a cell phone, a tablet such as i-pad, and the on-star service in a car.

I'd rather see this device be blue-tooth connected to my phone.

Rob Spiegel
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Re: Important lessons in mechantronics design
Rob Spiegel   7/31/2012 11:25:28 AM
This is a good idea -- a mechanism that works well even for the novice user. It will be interesting to see the price on this device. 

Beth Stackpole
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Important lessons in mechantronics design
Beth Stackpole   7/31/2012 8:12:54 AM
Glad to hear that the image shown is not the image they were planning to bring to market. There would be no way any one would carry around a device like that--far too big and scary looking.

I suppose that there's high utility in using a pepper spray gun correctly, but I guess I'm of mindset that we don't want to make it too easy. I could see one of these things whipping out on the soccer field as two over-the-top parents from opposing teams go at it. For me, the coolest thing about this innovation is the lessons it can bring in terms of mechatronics design. That's what is most important.

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