Patent ID: 8453935
Filing Date: 2013-06-04
Classification: G06K,H01Q

Abstract:
1. A broadband RFID label (tag) antenna for metal comprising: a base including a first plane and a second plane; said first plane and said second plane being separated by a dielectric layer; a label chip disposed on said first plane of said base; an antenna module disposed on said first plane of said base, and said antenna module including a first beeline at a middle of said first plane; said label chip being correspondingly disposed at a middle of said first beeline; a first L-shape section and a second L-shape section being respectively and symmetrically extended from said first beeline; a second beeline being vertically connected to said first beeline and said first L-shape section; said second beeline including a first end and a second end; said first end being vertically connected to a third beeline, and said second end being connected to a first neck portion that is further connected to a first rectangle portion; a fourth beeline being vertically connected to said first beeline and said second L-shape section; said fourth beeline including a third end and a fourth end; said third end being vertically connected to a fifth beeline, and said fourth end being connected to a second neck portion that is further connected to a second rectangle portion; a width of said second neck portion being larger than a width of said first neck portion.