Wood Pecker Deterrent

Wood peckers cause damage to wood siding when they bore holes. The bird makes a distinctive noise when digging the wood.

Create a device to listen for the repeating knocks on the wood. After a few of those patterns are heard then emit something to scare away the bird - maybe high frequency.

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2009.03
Small device that is weatherproof. Powered by solar cell or hard-wired. Device listens for wood-pecker knocking, then sends ultrasonic noise.

If using multiple devices that can target the output sound, add wifi-type networking to central processing unit that triangulates to determine bird location. Central unit then tells outside mounted devices in which direction to target the sound, thus providing increased power from the effect of multiple devices to the spot of the bird.

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2010.04
Targeting mosquitos with lasers.
http://bits.blogs.nytimes.com/2010/02/12/using-lasers-to-zap-mosquitoes/?hp
http://science.slashdot.org/story/09/03/16/1339217/New-Laser-System-Targets-Mosquitoes

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2010.04
Can remote knock (vibration/sound) sensor hear the noise and broadcast alert w/ sensor location?

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2013.05
http://www.havahart.com/store/electronic-repellents/5266
$69.99
Motion-Activated Water Repellent Sprinkler 2.0
Infrared Sensor    Yes
Avg Battery Life    1 Year

http://www.wingscapes.com/birdcameras/birdcam-20
$159.95
BirdCam 2.0
Infrared Sensor
Power Supply    4 D-cell Batteries
Battery Life    12 weeks average