MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641051564 A) filed by Vellore Institute Of Technology, Vellore, Tamil Nadu, on April 22, for 'cryptographically controlled electronic camera shutter with tamper-evident optical gating.'
Inventor(s) include Subramaniyaswamy V; Abhijai S; Gautam Krishna M; and Abeer Mathur.
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: "The present invention relates to a cryptographically controlled camera gating system (100) comprising a perception-gate module (202) mountable over a camera housing (224) and including a switchable optical film (220), a microcontroller (208), a secure element (206), a boost converter (210), and an AC driver circuit (212). The microcontroller (208) is configured to receive an authorization packet via a communication interface (204) and to verify authenticity of the packet using the secure element (206). Upon successful verification, the microcontroller (208) controls the AC driver circuit (212) to apply an alternating voltage across transparent electrodes (216) to transition the switchable optical film (220) from an opaque state to a transparent state for a predefined duration. The system further includes tamper detection (218) and a secure logging mechanism within the secure element (206) for recording state transitions."
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