An antenna having a plurality of conductive layers formed on a dielectric substrate. A ground plate and a feed plate are oriented in substantially parallel relation on two opposing sides of the dielectric substrate. A top plate, which is electrically connected to the ground plate and electrically insulated...http://www.google.es/patents/US6741212?utm_source=gb-gplus-sharePatente US6741212 - Low profile dielectrically loaded meanderline antenna
