USPTO Patent Granted for Power Supply Control Method

ChangeBridge: Patent Grants - Power Supply (H02J)

Published March 24th, 2026

Detected March 25th, 2026

Summary

The USPTO has granted a patent (US12587024B2) to Wistron Corporation for a power supply control method in portable electronic devices. The method involves detecting system or module status and adjusting reserved battery capacity accordingly.

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What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12587024B2 for a control method of power supply and a portable electronic device including reserved battery capacity control. The patent, assigned to Wistron Corporation, details a method where a control circuit detects the system status of a portable electronic device or the status of its power supply module. Based on this detection, the control circuit adjusts the reserved battery capacity of the main battery.

This patent grant is primarily informational for manufacturers and technology developers in the portable electronics sector. While it does not impose new regulatory obligations or compliance deadlines, it represents a new intellectual property in the field of power management for electronic devices. Companies involved in developing or manufacturing portable electronics should be aware of this patent as it may impact future product design and innovation in battery capacity control.

Source document (simplified)

← USPTO Patent Grants

Control method of power supply and portable electronic device including reserved battery capacity control

Grant US12587024B2 Kind: B2 Mar 24, 2026

Assignee

Wistron Corporation

Inventors

Chung-Kai Lei, Kuan-Yu Chen, Ching-Wen Chou

Abstract

A control method of power supply for a portable electronic device is disclosed. The portable electronic device includes a power supply module and a control circuit, and the power supply module is configured to provide electric power to the portable electronic device. The control method of power supply includes detecting, by the control circuit, a system status of the portable electronic device or a module status of the power supply module; and adjusting, by the control circuit, a reserved battery capacity of a main battery of the power supply module according to the system status of the portable electronic device or the module status of the power supply module.