MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202641058034 A) filed by Dl Senthilkumar Meyyappan; . Mrs. T Rajani; . Dr. Movva Pavani; . Kasagoti Vigmish; . Kagithala Sumanth; . Eslavath Jagadeesh; . Dr K. Sridhar; and . Dr. K. Kishore Kumar on May 07, 2026, for Smart Door Lock System.
Inventors include Dl Senthilkumar Meyyappan; . Mrs. T Rajani; . Dr. Movva Pavani; . Kasagoti Vigmish; . Kagithala Sumanth; . Eslavath Jagadeesh; . Dr K. Sridhar; and . Dr. K. Kishore Kumar.
The application for the patent was published on July 03, 2026, under issue no. 27/2026.
Abstract: This work presents an advanced and secure OTP-based door lock/ unlock~ystern that· integrates biometric authentication and real- time camera surveillance foi .eril1anced access control. The system is designed around an . ESP32 microcontroll~r; whlch . · . gen~rates a rand~m One-Time Password (OTP) and transmits it to the user'~ ~6bile I -phohe via a GSM module (SIM800L/SIM200). Upon receiving the OIPr th~ l1Ser~eriters it on .a keypad, and the system verifies it in realtime. If the OTP is corre~t;,thesystem activates a relay to unlock the door, controlling electromc locks such. a~ ~~l~voi4" o; magnetiC locks. The present invention discloses a smart door lock system_ d~~fgne~- to • : : 1 e1111~ncesecurity and . user convenience through i~tellfgen~ and auto~afeif -~ccess • - j control. The system mtegrates an electromechamcal _ lockmg mechan.1sm ~!th a . • . . . riJbr~controller-based control unit and supports multiple authentieatiori. rri~th~ds, . inclt1ding biometric recognition, PIN-based entry, RFID acce"ss,; and rrigb,ile:b~~ed autheri.tication. It further incorporates wireless communicatio~ tecfuol~~~sr~h~h as ·- ·" . W}-_Fi _and Bluetooth to enable remote monitoring, real-time control, and seamless integration with smart hoine environments.
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