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AssigneeSony Corporation
InventorsKeisuke Sato, Sachio Saitoh
Estimating the term…
A contactless communication medium includes: a base material made of an insulating material; an antenna coil portion formed by winding a conductor in a plane on the base material; a capacitor connected to the antenna coil portion; a communication processing section connected to the antenna coil portion and the capacitor to perform a contactless communication process; and a metal pattern having a predetermined area and disposed in a region surrounded by the antenna coil portion, the metal pattern being not electrically connected to the antenna coil portion or the capacitor.
A contactless communication medium comprising:
An antenna coil arrangement medium comprising:
A communication apparatus comprising:
A communication method comprising the steps of:
Dependencies are inferred from the claim text.