MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641047859 A) filed by Vels Institute Of Science, Technology And Advanced Studies, Chennai, Tamil Nadu, on April 15, for 'a system and a method of quad-band antenna using capacitive coupling.'
Inventor(s) include M. Monisha; P. Vijayalakshmi; and M. Meena.
The application for the patent was published on May 1, under issue no. 18/2026.
According to the abstract released by the Intellectual Property India: "Disclosed is an invention for quad-band antenna operation using centralized capacitive coupling. The invention provides a compact planar antenna system (100) comprising a substrate layer (102), an inversed-shaped radiating element (104), and a centralized capacitive coupling region (106). The inversed-shaped radiating element (104) is configured to define multiple current paths corresponding to distinct resonant modes, while the centralized capacitive coupling region (106) introduces controlled capacitive loading to regulate electromagnetic interaction within the inversed-shaped radiating element (104). This configuration enables independent tuning of multiple operating frequency bands with minimal interdependence. The system (100) facilitates stable quad-band electromagnetic radiation with improved impedance characteristics and reduced mutual coupling within a compact planar antenna structure suitable for multiband wireless communication applications."
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