Method for eliminating mutual interference between touch panel and NFC
A touch panel, mutual interference technology, applied in the input/output process of data processing, electromagnetic radiation induction, instruments, etc., can solve the problems of NFC scanning interference touch scanning, false triggering of the automatic wake-up door lock system, etc., to reduce The effect of sleep power consumption
Pending Publication Date: 2020-02-18
新鼎电子(深圳)有限公司
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Problems solved by technology
However, the traditional smart access control system has the problem that when it is in a dormant state, the NFC scan interferes with the touch scan, causing the touch to accidentally trigger the automatic wake-up of the door lock system.
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[0017] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiment of the invention is shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.
[0019] In the description of the present invention, "a plurality of" means at least two, such as two, thr...
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The invention relates to a method for eliminating mutual interference between a touch panel and NFC. The method is applied to an intelligent door lock system. The intelligent door lock system comprises a touch panel used for sensing finger touch signals, touch keys arranged on the touch panel, an NFC card reader used for reading NFC card information and a main control MCU. The method comprises thesteps that the current sleep time of the intelligent door lock system is obtained, when the current sleep time reaches the set sleep time, the main control MCU closes an NFC card reader to scan NFC card information, a touch panel is started to scan a touch signal, and the intelligent door lock system enters a low-power-consumption sleep state; when a finger or an NFC card is close to the touch panel, the touch key preferentially triggers and awakens the main control MCU, and the main control MCU starts time-sharing scanning of the NFC card reader and the touch panel. The problem that the whole system is mistakenly awakened due to mutual interference of NFC and touch after the door lock system is in the dormant state can be effectively solved, and meanwhile dormant power consumption can bereduced.
Description
Technical field [0001] The invention relates to the technical field of door lock systems, in particular to a method for eliminating mutual interference between a touch panel and NFC. Background technique [0002] With the continuous development of science and technology, smart door lock systems have been widely used in people's lives. Generally, a smart door lock system includes a touch panel, an NFC card reader, and a master MCU. However, the traditional smart access control system has a problem that when it is in a sleep state, the NFC scan interferes with the touch scan, which causes the touch to falsely trigger and automatically wake up the door lock system. Summary of the invention [0003] The technical problem to be solved by the present invention is to provide a method that can effectively realize NFC and touch control and eliminate the mutual interference of the touch panel and the NFC without interference when the smart door lock system is in a dormant state. [0004] To...
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Login to View More IPC IPC(8): G06F3/041G06K7/10G06F1/3287
CPCG06F3/0418G06K7/10198G06F1/3287
Inventor 张志明喻灿
Owner 新鼎电子(深圳)有限公司