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Anti-collision method and reader for tag inventory

A reader and anti-collision technology, which is applied in the field of radio frequency identification, can solve the problems of tag inventory conflicts and collisions, achieve efficient tag inventory, continuously read tags, and reduce tag collisions.

Active Publication Date: 2022-01-25
深圳市成为信息股份有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0006] The embodiment of the present invention provides an anti-collision method for label inventory, a reader-writer and a label inventory system, which are used to solve the conflict and collision problems during label inventory, and realize efficient, leak-free and continuous reading of labels

Method used

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  • Anti-collision method and reader for tag inventory

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Embodiment Construction

[0035] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0036] The terms "first", "second", "third" and the like in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclus...

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Abstract

The invention discloses a tag inventory anti-collision method and a reader / writer. The method includes: the reader detects the density of tags within the identification range; adjusts the length of the inventory cycle according to the density of the tags, wherein, when the tags are dense, the inventory cycle is extended to reduce the number of times the tags are read per unit time, and when the tags are sparse Shorten the inventory cycle to increase the number of tag readings per unit time. The technical scheme of the invention can be used to solve the problem of conflict and collision during label inventory, and realize efficient, leak-free and continuous reading of labels.

Description

technical field [0001] The invention relates to the technical field of radio frequency identification, in particular to an anti-collision method for label inventory, a reader-writer and a label inventory system. Background technique [0002] Radio Frequency Identification (RFID) is an automatic identification technology and a key technology for building the Internet of Things. The RFID system is mainly composed of readers and transponders. The transponder is mainly composed of antenna, coupling element and chip. Generally speaking, a tag is used as a transponder. Each tag has a unique electronic product code and is attached to the object to identify the target object. The reader, or reader, is mainly composed of an antenna, a coupling element and a chip. It is a device for reading and / or writing tag information, and can be designed as a mobile handheld device or a fixed device. [0003] The application of RFID technology in various fields, especially in logistics, retail, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K7/10
CPCG06K7/10356
Inventor 梁甲昌李玉惠
Owner 深圳市成为信息股份有限公司
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