Patent ID: 9514401
Filing Date: 2016-12-06
CPC Classification: G06K,H01Q

Claim Text:
1. A card device comprising: a substrate; a grounding portion provided in the substrate and extended in a first direction, the grounding portion comprising a first portion, a second portion arranged in the first direction with respect to the first portion and a third portion connecting the first portion and the second portion, an opening provided between the first portion and the second portion in the first direction and extended in a second direction intersecting with the first direction, a length in the second direction of the third portion being shorter than one fifth of a length in the second direction of the first portion; a coupler provided in the substrate and configured to transmit/receive an electromagnetic wave by electromagnetic-coupling with a different coupler, the coupler comprising: an electronic component mounted to the substrate and arranged in a portion deviated in a thickness direction of the substrate from the opening.