An Antenna Structure for Contactless Communication
An antenna structure and non-contact technology, which is applied in the field of antenna structure, can solve the problems of making the size of the card reader smaller, increasing the difficulty, and making it difficult to make the size of the card reader smaller, so as to achieve the reduction of the size of the planar structure, the concentration of the magnetic field, and the improvement of Effects of Communication Strength and Reliability
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[0030] In order to fully understand the technical content of the present invention, the technical solutions of the present invention will be further introduced and illustrated below in conjunction with specific examples, but not limited thereto.
[0031] Such as figure 1 The specific embodiment 1 shown is an antenna structure for non-contact communication of the present invention, including a magnetic conductor 10, and an electric wire 20 (that is, as an antenna conductor) wound around the outer periphery of the magnetic conductor 10. The electric wire 20 and the The non-contact communication IC circuit 30 is connected; the magnetic conductor 10 is cylindrical, and the magnetic conductor is made of ferrite, and the nickel-zinc ferrite is nickel-zinc ferrite with a magnetic permeability of 100 or more at a frequency of 13.56MHz. Its resistivity is 10 5 Ω*m; the working frequency of the antenna structure is 10-20MHz. from image 3 The magnetic permeability curve of nickel-zin...
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