NFC System Dynamic Field Strength Control

The patent implements dynamic adjustment of the electromagnetic field strength by the control unit based on real-time detection of the number of NFC targets. The field strength is increased when multiple targets are detected to ensure reliable communication, and decreased when fewer targets are present to reduce energy consumption and EMC emissions. This dynamic adaptation resolves the contradiction between maintaining high reliability and minimizing energy loss.

The patent changes the operating parameters (electromagnetic field strength) of the NFC system based on the detected number of targets. By adjusting the field strength parameter dynamically rather than maintaining a constant high level, the system achieves reliable detection when needed while reducing energy consumption during normal operation, thus resolving the contradiction between reliability and energy efficiency.

The system dynamically adjusts the electromagnetic field strength based on the actual number of NFC targets detected. When multiple targets are present, the field strength is increased to ensure reliable communication for all targets. When fewer targets are detected, the field strength is reduced to minimize EMC emissions. This dynamic control resolves the contradiction between communication reliability and EMC compliance.

The control unit changes the electromagnetic field strength parameter according to the detected number of NFC targets. This parameter adaptation allows the system to maintain high reliability when multiple targets are present while reducing EMC emissions during normal operation with fewer targets, thus resolving the contradiction between communication quality and electromagnetic compatibility.

The patent implements dynamic adjustment of the operating voltage supplied to the NFC controller based on the detected number of NFC targets. When multiple targets are detected, the voltage is increased to ensure reliable detection and communication. When fewer targets are present, the voltage is reduced to minimize energy losses. This dynamic voltage control resolves the contradiction between detection reliability and energy efficiency.

The control unit changes the operating voltage parameter according to the actual load situation and number of NFC targets detected. This parameter adaptation allows the system to maintain high detection reliability when needed while reducing energy consumption during normal operation, thus resolving the contradiction between reliable detection and energy loss minimization.