Title:
ANTI-CHANNELING READING METHOD AND SYSTEM FOR RADIO-FREQUENCY SIGNALS, AND APPLICATION OF SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/155801
Kind Code:
A1
Abstract:
The present invention relates to an anti-channeling reading method for radio-frequency signals. On the basis of the detection of radio-frequency signals which are transmitted by a primary radio-frequency read/write antenna, the generation of radio-frequency interference signals, which are respectively synchronized with the radio-frequency signals which are transmitted by the primary radio-frequency read/write antenna, is triggered, and the radio-frequency interference signals act on radio-frequency tags other than a target radio-frequency tag, so as to prevent other radio-frequency tags from feeding back radio-frequency signals to the primary radio-frequency read/write antenna, thereby ensuring the accuracy of the primary radio-frequency read/write antenna monitoring the target radio-frequency tag. Moreover, a corresponding system is designed, in which a coupler is combined with a radio-frequency demodulation circuit, so as to respectively detect radio-frequency signals from a primary radio-frequency read/write antenna, and trigger the generation of radio-frequency interference signals, which act on other radio-frequency tags. In addition, the designed system is applied to an article conveyor belt system, and modules in the designed system are arranged in a distributed manner according to the conveying direction of a conveyor belt, such that the radio-frequency identification efficiency for articles on the conveyor belt can be effectively improved.
Inventors:
ZHANG QINGXIN (CN)
FU BO (CN)
LI ZHONGQING (CN)
FU BO (CN)
LI ZHONGQING (CN)
Application Number:
PCT/CN2023/076156
Publication Date:
August 24, 2023
Filing Date:
February 15, 2023
Export Citation:
Assignee:
SHANGHAI INLAY LINK INC (CN)
International Classes:
G06K7/10; G06K17/00
Foreign References:
| CN111292532A | 2020-06-16 | |||
| US20050212673A1 | 2005-09-29 | |||
| CN108595996A | 2018-09-28 | |||
| CN115270830A | 2022-11-01 |
Attorney, Agent or Firm:
NANJING JINGWEI PATENT & TRADEMARK AGENCY CO., LTD (CN)
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