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Electromagnetic interference control method and related product

An electromagnetic interference control and interference frequency technology, applied in the electronic field, can solve problems such as radio frequency interference, increased cost, and interference with the work of biometric sensors, achieving the effects of ensuring accuracy, reducing electromagnetic interference, and improving user payment experience

Active Publication Date: 2019-04-02
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology allows for dynamic adjustment of how much time it takes from acquiring an accurate fingerprint image with one type of sensing element (biological) while also reducing any negative impacts caused by other types of elements' operation frequencies within range.

Problems solved by technology

The technical problem addressed in this patented text relates to reducing interference from wireless networks used by full-screens mobile phone displays during transactions due to their high operational frequencies that may cause false alarms. Current solutions involve upgraded screens or adding filters to prevent these issues.

Method used

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  • Electromagnetic interference control method and related product
  • Electromagnetic interference control method and related product
  • Electromagnetic interference control method and related product

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Embodiment Construction

[0026] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0027] The terms "first", "second" and the like in the specification and claims of the present application 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-exclusive inclusion. For example, a process, method...

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Abstract

Embodiments of the invention disclose an electromagnetic interference control method and a related product. The method comprises when electronic equipment is in a payment scene, obtaining the first sampling frequency of a biological recognition sensor, obtaining the first MIPI working frequency of a display screen MIPI, determining whether the first sampling frequency is interfered according to the first MIPI working frequency, if yes, determining the second sampling frequency, without being interfered by the first MIPI working frequency, of the biological recognition sensor, and adjusting thesampling frequency of the biological recognition sensor to be second sampling frequency, so that the sampling frequency of the biological recognition sensor can be adjusted dynamically when the electronic equipment is in the payment scene under the condition of without changing the hardware design of the electronic equipment, the electromagnetic interference of the working frequency of the display screen MIPI on the biological recognition sensor is eliminated or reduced, and the accuracy of identification is guaranteed, so that preferable user payment experience is realized.

Description

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Claims

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Application Information

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Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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