MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202414090604 A) filed by Schneider Electric Industries Sas, Rueil-Malmaison, France, on Nov. 21, 2024, for 'method and device for calibrating the demodulation of data modulated by modulating the amplitude of a light signal emitted by a light source.'
Inventor(s) include Jiang, Lei; Hermitte, Fabien; Dreina, Emmanuel; and Lovato, Jean-Louis.
The application for the patent was published on June 6, under issue no. 23/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a method and a device for calibrating the demodulation of data modulated by amplitude modulation of a light signal emitted by a light source. The device includes a device (20) for capturing digital images having associated sensitivity and time of exposure parameters, and an electronic computing device (23) implementing modules of: - automatic adjustment (24) of sensitivity and time of exposure parameters, - acquisition (26) of a digital image by said digital image capture device, - extraction (28) of a series of samples from the acquired digital image, each extracted sample taking one of two predetermined values, - calculation (30) of a plurality of sampling factors from said series of samples, each sampling factor being associated with a predetermined pattern and indicative of a number of samples of the same value representative of said pattern, and storage of the calculated sampling factors."
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