Battery Authentication via Electromagnetic Spectrum Analysis
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Summary
Problems
Existing battery authentication methods, including cryptographic protocols and battery ID resistors, are insufficient in distinguishing authentic from counterfeit batteries, as counterfeit batteries can mimic authentic responses, leading to potential damage from improper charging and usage.
Innovation solutions
The use of a power management module that measures and compares the electromagnetic radiation spectrum of a battery to a reference spectrum, authenticating the battery based on matching characteristics, thereby enhancing security and authentication by leveraging physical and electrical properties unique to authentic batteries.
TRIZ Analysis
Specific contradictions:
General conflict description:
Principle concept:
If battery ID resistors are used for identification, then battery type identification is simplified, but counterfeit batteries can replicate the resistance values
Why choose this principle:
The patent replaces the simple battery ID resistor with electromagnetic radiation spectrum as an intermediary authentication mechanism. During charging or discharging, the battery's internal chemistry produces characteristic electromagnetic radiation across multiple frequencies that serves as a natural mediator for authentication, making it impossible to replicate with simple resistor copying
Principle concept:
If battery ID resistors are used for identification, then battery type identification is simplified, but counterfeit batteries can replicate the resistance values
Why choose this principle:
The patent substitutes the mechanical/electrical battery ID resistor system with an electromagnetic field-based authentication system. By measuring the electromagnetic radiation spectrum generated during battery operation, the system replaces contact-based resistance measurement with non-contact electromagnetic field analysis, significantly improving security against counterfeiting
Application Domain
Data Source
AI summary:
The use of a power management module that measures and compares the electromagnetic radiation spectrum of a battery to a reference spectrum, authenticating the battery based on matching characteristics, thereby enhancing security and authentication by leveraging physical and electrical properties unique to authentic batteries.
Abstract
Diagnostic use of physical and electrical battery parameters is made to enhance battery authentication and security. A power management module measures an electromagnetic radiation spectrum of a battery module based on signal strengths of the electromagnetic radiation detected at one or more antennas. The measured electromagnetic radiation spectrum of the battery is compared to a reference electromagnetic radiation spectrum, which may be specified for authentic batteries, for example. If the measured electromagnetic radiation spectrum corresponds to the reference electromagnetic radiation spectrum, the battery is authenticated for use with the mobile communication device. A relative condition of the battery, such as an age or state of health, may also be estimated based on the measured electromagnetic radiation spectrum of the battery module.