MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202414090606 A) filed by Schneider Electric Industries Sas, Rueil-Malmaison, France, on Nov. 21, 2024, for 'method and device for demodulating data modulated by amplitude modulation of a light signal emitted by a light source of a transmitter device.'
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 demodulation device acquires a digital image including a zone illuminated by a light signal emitted by a source. Same is configured to: - calculate (24) and store a mean value per column of said digital image, in association with a column index, arranged between a first and a second edge index of the image; - determine (26) a maximum value of said mean values, and calculate a threshold from said maximum value, - determine (28) of a first column index corresponding to the first mean value greater than or equal to said threshold starting from the first edge index, and of a second column index corresponding to the first mean value greater than or equal to said threshold starting from the second edge index; - demodulate (30, 32) binary data from the mean values between the first column index and the second column index."
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