MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202521118449 A) filed by Vishwakarma Institute Of Technology, Pune, Maharashtra, on Nov. 28, 2025, for 'a blink detection device for hearing and speech impaired persons.'

Inventor(s) include Chaudhari, Rajesh Jankiram; Nimishakavi, Aparna; Patil, Apoorv; Nair, Anush; Gupta, Anushka; Ansingkar, Sharva; and Kulkarni, Apoorva.

The application for the patent was published on Jan. 23, under issue no. 04/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to a blink detection communication device for hearing and speechimpaired individuals, providing an affordable, accurate, and non-invasive solution to facilitate communication. The system comprises an infrared (IR) sensor integrated into spectacle frames to detect eye blink patterns, an Arduino Nano microcontroller to process the sensor signals, and an LCD display connected via an I2C module to present corresponding messages in real time. A 9V battery powers the device, with the microcontroller mounted on a headband and the display positioned for easy visibility. Each blink pattern triggers a predefined message, such as "I need Water," "I need Food," or "Help," allowing users to express basic needs effectively. Sensor sensitivity is adjustable to accommodate individual variations in blink speed, eye shape, and ambient light conditions. The device is compact, portable, lightweight, and user-friendly, offering enhanced communication support in healthcare, special education, and daily living assistance, thereby improving independence and quality of life for hearing and speech-impaired users."

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