MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202411093427 A) filed by Chandigarh Group Of Colleges on November 28, 2024, for Smart Writing Instrument With Dual Cartridge System And Automated Ink Management.
Inventors include Harshita Sharma; Dhruv Kalra; Amanpreet Kaur; Arvinder Kaur; and Megha Sharma.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: The present invention relates to a smart writing instrument equipped with a dual ink cartridge system, an ink level monitoring sensor, a motorized cartridge switching mechanism, and an advanced microcontroller. The device ensures uninterrupted writing by automatically switching between cartridges based on real-time ink level monitoring. The rotatable cartridge holder, driven by a miniature stepper motor and precision sensors, facilitates seamless cartridge alignment with the writing nib. The microcontroller processes ink level data, predicts optimal switching times, and activates visual, auditory, and tactile alerts to notify the user of cartridge status. Additional features include fault detection, hermetic cartridge sealing, predictive maintenance, and a user interface for customization. This invention addresses the limitations of traditional writing instruments, optimizing ink usage, enhancing reliability, and providing a superior writing experience with minimal intervention. FIG. 1
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