Method and device for detecting tricky scale

Abstract

The application proposes a method and device for detecting a tricky scale. According to the method and device, a long-term effective monitoring and tracking mechanism is established by using the RFID technology to monitor links such as the production, sale, verification and repair of an electronic scale, and an extractor which can extract chip codes is designed according to secrets of common tricky scales in the market. The extractor extracts codes from a chip of the electronic scale, and transmits the codes to a host through a serial port. A main program in the host is in charge of comparing received characteristic codes with standard codes. If the received characteristic codes are identical to the standard codes, the chip is not changed; otherwise the chip program is illegally changed.

Description

technical field [0001] The invention proposes an electronic scale management and detection method that is convenient to operate, effective and transparent to the public, realizes unified management and unified verification of electronic scales, and can effectively prevent the existence of illegal scales. Even if an illegal scale is found during the inspection, it can be traced back to the problem link by reading the historical information recorded in the RFID installed in the electronic scale. for convenience. Background technique [0002] As a simple, accurate and intuitive measuring instrument, electronic scales are favored by consumers and operators. However, in recent years, many unscrupulous traders have tampered with electronic scales in order to obtain more profits, resulting in many 8-two scales and 7-two scales appearing on the market. Although the existing electronic scales are all sealed or lead-sealed to prohibit the electronic scales from being adjusted, they ...

AI Technical Summary

Problems solved by technology

Of course, there are also some electronic scales that have large measurement errors due to the relatively long use time and the reduced sensitivity of the sensor itself.

There are a large number of electronic scales that are "short of weight and less than two" in the market, which directly affects the rights and interests of consumers.

Images