MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202541133936 A) filed by Ifet College Of Engineering, Viluppuram, Tamil Nadu, on Dec. 31, 2025, for 'a portable non-lethal sensor-triggered adaptive ultrasonic device for canine deterrence.'
Inventor(s) include Mr. N. Sivanantham; J. Jayasuriya; and M. Udhayakrishnan.
The application for the patent was published on Jan. 9, under issue no. 02/2026.
According to the abstract released by the Intellectual Property India: "An ultrasonic canine deterrence device comprises a housing [124] carrying a multi-frequency ultrasonic transducer array [102] driven through optimized drive circuitry [118] by an embedded microcontroller/DSP unit [104]. A multi-sensor detection module [106], optionally together with a dual-mode detection mechanism module [108], detects canine presence and motion and automatically triggers ultrasonic emission. The embedded microcontroller/DSP unit [104] generates variable-frequency ultrasonic output between 20-60 kHz and modulates frequency and intensity using adaptive control such that output patterns are varied based on detected behaviour and proximity to reduce habituation associated with fixed-tone deterrence. A directional acoustic horn [110] focuses the ultrasonic energy. A rechargeable battery [112] supplies power under a smart power management system [114] with battery protection circuitry [116]. A fail-safe user override mechanism [126] enables manual control and safety."
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