MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202644050735 A) filed by Idemia Public Security France on April 21, 2026, for Optical Fingerprint Acquisition Device.

Inventors include Dumont, Denis; Maillard, Sylvain; and Poitelon, Olivier.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: The present invention relates to an optical fingerprint acquisition device (1) comprising: - a light source (S), - an optical plate (2), - imaging means comprising: - a focusing objective (9); - a sensor (12); - a first mirror; the thickness of the optical plate (2) between the two main faces (3, 4) is greater at the first end (A) than at the second end (B), forming an offset (D), and the device comprises a transparent plate (20) provided with at least two transparent conductive electrodes. Figure: 1

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