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AssigneesHaydale Technologies (Thailand) Company Limited, Haydale Graphene Industries PLC
InventorsKomkrit Sajjaanantakul, Sorawit Duangsripat, Natthapol Watthanawisuth, Arunwat Promnimit
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The present invention relates to a method of encoding information on an information carrier, the method involving providing the information carrier with an electrically conductive pattern on a substrate, wherein the pattern is configured to have different capacitance values at different parts of the electrically conductive pattern when placed on a capacitive touchscreen, wherein information is encoded based on said different capacitance values. Also provided are information carriers, and methods of reading information from such carriers. In preferred embodiments, the pattern comprises multiple pattern elements, and one or more of the pattern elements is a multilayer structure having a lower layer and an upper layer, wherein the conductivity of the upper layer is greater than that of the lower layer.
A method of encoding information on an information carrier, the method involving providing the information carrier with an electrically conductive pattern on a substrate, the pattern comprising multiple pattern elements, and one or more of the pattern elements having a multilayer structure having a lower layer and an upper layer, the lower layer being in closer proximity to the substrate than the upper layer,
A method of reading information from an information carrier using a capacitive touchscreen, the information carrier comprising an electrically conductive pattern on a substrate, the pattern comprising multiple pattern elements, and one or more of the pattern elements having a multilayer structure having a lower layer and an upper layer, the lower layer being in closer proximity to the substrate than the upper layer, wherein both the upper layer and lower layer are made from conductive materials and the conductivity of the upper layer is greater than that of the lower layer, the method involving:
An information carrier comprising a substrate and an electrically conductive pattern provided on the substrate, the pattern having at least one multilayer pattern element wherein the pattern element includes a lower layer and an upper layer, the lower layer being in closer proximity to the substrate than the upper layer, wherein both the upper layer and lower layer are made from conductive carbon materials and the conductivity of the upper layer is greater than that of the lower layer.
A method involving:
Dependencies are inferred from the claim text.