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Billet

Daniel Billet, Tourette S/loup FR

Patent application numberDescriptionPublished
20080207113Noise-Generating Device and Method - The invention relates to the field of devices intended to generate a noise of high amplitude having specific spectral characteristics. It concerns a transmission device mainly comprising a transducer, means for synthesizing a digital noise sequence x′(n) and power sources. According to the invention, the device also comprises means such that according to the value, at each time t, of the synthesized noise sequence, the transducer is supplied by one or more noise sources placed in series, the overall voltage reflecting the value of the digital noise sequence. The transition times between two supply values are synchronous with the basic clock of means which synthesize x′(n). The invention also relates to a method for iteratively synthesizing, under spectral constraint, a noise having a power spectral density corresponding to a given template. The invention applies in particular to the submarine acoustic noise generators on board small-size autonomous craft. It can also apply to the production of scramblers in mobile telephony.08-28-2008

Maurice Billet, Chambourcy FR

Patent application numberDescriptionPublished
20080245244Transfer device and printing press - A transfer device (10-09-2008
20100089260SILK-SCREEN PRINTING MACHINE AND ASSOCIATED PRINTING METHOD - The invention relates to a silk-screen printing machine (04-15-2010

Patent applications by Maurice Billet, Chambourcy FR

Mirko Billet, Bollengo IT

Patent application numberDescriptionPublished
20090184458EQUIPMENT FOR STORING IN AN ORDERLY WAY BANKNOTES AND/OR PAPERS AND THE LIKE - An equipment (07-23-2009
20100133737STORING AND ISSUING DEVICE FOR BANKNOTES OR OTHER FLEXIBLE DOCUMENTS - A storing and issuing device (06-03-2010
20100218707RECEIPTING AND DISPENSING BANKNOTE MODULE FOR EQUIPMENTS OF AUTOMATIC DEPOSIT AND WITHDRAWL OF BANKNOTES - Receipting and dispensing module (09-02-2010
20110048890EQUIPMENT FOR THE AUTOMATIC DEPOSIT AND WITHDRAWAL OF BANKNOTES AND RESPECTIVE RECEIPTING AND DISPENSING MODULES - Equipment for the automatic deposit and withdrawal of banknotes (03-03-2011

Patent applications by Mirko Billet, Bollengo IT

Olivier Billet, Tourrettes Sur Loup FR

Patent application numberDescriptionPublished
20090067620Cryptographic Hashing Device and Method - A device and a method of cryptographically hashing a message M, including the following steps: forming a sequence (M03-12-2009
20090279693METHOD AND A DEVICE FOR GENERATING A PSEUDORANDOM STRING - The invention relates to a method of generating a pseudorandom string of terms belonging to a finite body K of cardinal q≧2 intended to be used in a cryptography procedure, said method comprising the iterative calculation of a system (Γ) of m polynomials with n variables belonging to the finite body K. According to the invention, the coefficients of these m polynomials are regenerated at each iteration. The invention also relates to pseudorandom string generator intended to implement this method.11-12-2009
20100183147ASYMMETRICAL METHOD OF ENCRYPTION OR SIGNATURE VERIFICATION - The invention proposes a method and a device for decrypting an encrypted message represented by a sequence C or applying an electronic signature to a sequence C, said sequence C consisting of data belonging to a finite field K=GF(q), where q>1, in which there are processed successive blocks each comprising (n·d) successive data items from the sequence C, where n and d are predetermined integers greater than 1, the processing of such a block including the following steps: applying a predetermined affine invertible transformation t07-22-2010
20100199090Secure Communication Between An Electronic Label And A Reader - The invention relates to a secure communication between an electronic label (A) and a reader (B), in particular for the authentication of the label by the reader, in which: the reader (08-05-2010
20110116630Traceable Method and System for Broadcasting Digital Data - A method and system for a user to obtain a derived value K05-19-2011

Patent applications by Olivier Billet, Tourrettes Sur Loup FR