MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202611113790 A) filed by Chandigarh University on September 23, 2026, for Voice-Activated Calculator With Exact Ellipse Perimeter Computation Via Geometric Constructive Methodology.
Inventors include Parveen Tyagi; and Kuldip Katiyar.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: The present invention relates to a dual-mode, multi-language calculator configured to perform mathematical computations using speech and text inputs. The calculator comprises 5 a microphone, an analog filter, an analog-to-digital converter (ADC), a microcontroller comprising an STM32 or ESP32, and an OLED or LCD display. The calculator further provides synthesized voice output and is configured to perform advanced mathematical computations, including high-precision calculation of the perimeter of an ellipse using an exact geometric constructive algorithm. A keypad and voice-based selection mechanism 10 enables operation by visually impaired, physically challenged, and general users. The calculator is powered by a battery system for extended operation and stores language and model data in SPI flash or an SD card. The invention thereby integrates speech-based accessibility, multi-language operation, text-based input, synthesized voice output, and precise geometric computation within a single calculator system
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