A contact free electronic label, such as those designed to be affixed on conductive surfaces, has an insulating support one side of which bears a first winding having its ends connected to an electronic circuit. The opposite side of the support bears a second winding whose ends are connected to conductive...http://www.google.fr/patents/US6950023?utm_source=gb-gplus-shareBrevet US6950023 - Contact-free electronic label for product with conductive surface
Contact-free electronic label for product with conductive surface