Description

Indoor High power Acoustic Repellent Device can generate high pressure level sound wave to produce auditory stimulation on human body, and cause shock, discomfort, anxiety, uneasiness and other unhappy reactions to force the intruder to flee away immediately.
The acoustic repellent device is world-leading security equipment which can effectively interfere with criminal behaviors and actively drive criminals away, and save property and life to the greatest extent. In addition, the device can be integrated with common security systems to provide intelligent active defense solutions.
The high power acoustic repellent device is composed of piezoelectric buzzers, control circuits and built-in lithium battery. It can work alone or in a network, also can be integrated with various sensors (such as infrared, microwave, vibration etc.) to form a powerful active driving system.
The acoustic repellent system is applicable for family and businesses, as well as public security departments, financial and other key security units.

Work Theory

After the sound unit detects the switch signal (trigger signal), CPU of patent algorithm generates 2-4khz audio signals randomly changing with time, and emit a high frequency sound of 128dB@1m through the power amplifier to achieve effective active dispersion.