per Mens Intellectual Property Consulting GmbH

The present invention concerns a signal processing method for removal of artifacts from electroencephalography (EEG) and/or magnetoencephalography (MEG) signals by use of Generalized Eigenvalue Decomposition (GEVD), the method comprising the steps of- obtaining (1) a EEG/MEG multi-channel signal,- providing (2) a matrix factorization of said multi-channel signal by applying a generalized Eigenvalue decomposition to the signal by° determining (2.1) a reference covariance matrix (refCOV) to be used as an input value to the Eigenvalue decomposition of said multi-channel signal,° extracting (2.3) a data covariance matrix (dataCOV) from the multi-channel signal and° producing (2.4) a generalized Eigenvalue decomposition of said data covariance matrix (dataCOV) based on said reference covariance matrix (refCOV),- producing (3), by use of said matrix factorization of the multi-channel signal, an output signal corresponding to said multi-channel signal with artifacts in the signal being removed and non-artifact parts of the signal being retained, the step of- determining the reference covariance matrix (refCOV) being performed by estimating a theoretical reference covariance matrix (refCOV) based on principles of EEG/MEG signal generation, utilizing electrode locations and leadfield theory.The present invention is also related to a computer readable medium storing a computer program which causes a computer to implement this method as well as to a device for acquiring and/or for processing a EEG/MEG multi-channel signal, the device having means adapted to perform this method.

The present invention concerns a mechanism for indication of the lunar phases, in particular for integration into a watch, comprising a dial (1) having an aperture (1.1), a moon indicator element (M1), at least two shade elements (S1, S2), and a gear train (2) adapted to rotatably drive said moon indicator element (M1) and/or said at least two shade elements (S1, S2) in a manner allowing to display at least part of said moon indicator element (M1) and/or at least part of said at least two shade elements (S1, S2) through said aperture (1.1), said moon indicator element (M1) being at least partly shaded by at least part of said at least two shade elements (S1, S2) for displaying certain lunar phases, such as to indicate the lunar phases in said aperture (1.1). The mechanism distinguishes by comprising a plurality of moon indicator elements (M1, M2, ...) and a plurality of shade elements (S1, S2, ...) arranged in a vertical stack underneath said dial (1), at least part of said plurality of moon indicator elements (M1, M2, ...) and/or at least part of said plurality of shade elements (S1, S2, ...) being adapted to be driven rotatably by said gear train (2), at least one lunar phase being at least partially indicated by all or part of at least a first moon indicator element (M1, M2, ...) of said plurality of moon indicator elements (M1, M2, ...) and at least another lunar phase being at least partially indicated by all or part of at least a second, different moon indicator element (M1, M2, ...) of said plurality of moon indicator elements (M1, M2, ...), such that the lunar phases and the lunar terminator indicated through the aperture (1.1) of the dial (1) substantially correspond during the entire lunation to the appearance of the moon as visible from earth.

The present invention concerns a method and system for long-term authentication of non-fungible tokens (306, 424). In various embodiments the system (400) includes an off-chain storage system (321) having one or more elements of identifying information (325, 326, 327, 328, 329) for an object (307) including at least one element that authenticates the object. In various embodiments the system (400) further includes a blockchain network adapted for recording a non-fungible token (306) located at a public address (312) on a blockchain (304). In embodiments the minted non-fungible token (306) includes at least an identification manifest (322) and/or a hash (404, 370, 372, 374, 376, 378) of all or part of the elements of identifying information and/or a digital NFT certificate (412) including a digital signature from a certifying authority (414) and the hash (404) of at least one of said elements of identifying information (325, 326, 327, 328, 329) and/or of the identification manifest (322), such that the non-fungible token (306) is independently authenticatable against said certifying authority (414) and/or a corresponding validating authority (416) and/or against the off-chain storage system (321).

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