Is directing a ultrasonic device at neighbors barking dog an invasion of privacy?

It depends on the jurisdiction and specific circumstances, but in general, it is possible that directing an ultrasonic device at a neighbor's barking dog could be considered an invasion of privacy. Some jurisdictions have laws that prohibit the use of electronic devices to disturb the peace or harass animals. Additionally, even if there is no specific law against it, directing an ultrasonic device at a neighbor's dog could still be considered a form of harassment or nuisance, which could give your neighbor grounds to file a complaint against you.

If you are concerned about your neighbor's barking dog, there are a few things you can do to address the issue before resorting to using an ultrasonic device. First, try talking to your neighbor about the problem and see if there is a solution that works for both of you. If that does not work, you can try contacting your local animal control agency to see if they can provide any assistance. As a last resort, you can consult with a lawyer to discuss your options and determine if using an ultrasonic device would be considered an invasion of privacy in your jurisdiction.