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A radio frequency tag and its resonant circuit structure

A technology of radio frequency tags and resonant circuits, applied in the field of radio frequency tags, can solve problems such as difficulty in tracking metal objects

Active Publication Date: 2016-12-14
立芯科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, tracking metal objects is very difficult for UHF tags, microwave tags, and more typically passive tags
[0004] Another disadvantage of the above-mentioned RF tags is that RF tags are usually designed to track RF-friendly materials such as paper and low permittivity plastics.

Method used

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  • A radio frequency tag and its resonant circuit structure
  • A radio frequency tag and its resonant circuit structure
  • A radio frequency tag and its resonant circuit structure

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Embodiment Construction

[0058] The radio frequency tag and its resonant circuit structure of the present invention will be described in detail below with reference to the drawings and implementation, and other examples are also provided in the following description. The preferred embodiment of the present invention describes the radio frequency tag and its resonant circuit structure in detail, although it is obvious to those skilled in the art that some features that are not particularly important to the understanding of the radio frequency tag and its resonant circuit structure of the present invention, for the sake of clarity instructions, which may not be described here.

[0059] Moreover, it should be noted that the radio frequency tag and its resonant circuit structure described below are only preferred embodiments of the present invention, and do not limit the present invention in any form, although the present invention has been disclosed as follows with preferred embodiments, However, it is n...

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PUM

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Abstract

The present invention provides a radio frequency tag, comprising a resonant circuit structure and a radio frequency device, the resonant circuit structure comprising: a first conductive layer; a second conductive layer arranged at intervals from the first conductive layer; and connected to the Two conductive base parts at both ends of the first conductive layer and the second conductive layer. The first conductive layer is provided with slits. The radio frequency device is electrically coupled to the first conductive layer and located on the slit.

Description

technical field [0001] The invention relates to a radio frequency tag technology, in particular to a radio frequency tag which can be used on or embedded in a metal surface and its resonant circuit structure. Background technique [0002] Electronic devices can emit a modulated electromagnetic signal that can be read by a corresponding reader. This electronic device is widely used in tracking and identifying items, especially in supply chain management, or item-level product tracking. This device, known as a radio frequency tag, includes a radio frequency device electrically connected to the antenna, which can be tuned to a specific operating frequency, such as an ultra high frequency (Ultra High Frequency, UHF) radio frequency identification (Radio Frequency Identification, RFID) tag and microwave radio frequency identification tags. The tag can be a passive tag, which interacts with the reader through signal reflection; a semi-passive tag, which is powered by its own pow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K19/067G06K19/077
Inventor 高博
Owner 立芯科技股份有限公司