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Samsung patents phone method to lower average radio signal power

Samsung describes a method for electronic devices that adjusts the strength of radio frequency signals based on whether a user is holding the phone or on a call. The system repeatedly changes the maximum allowed transmission power to ensure the average signal strength stays below a specific safety threshold.

Why it mattersThis filing focuses on managing radio exposure levels, which is a standard technical approach for meeting regulatory safety limits in mobile devices.

In the filing’s own words

An electronic device and a method thereof are provided. The method includes detecting a designated event associated with proximity or grip of a user, if a call is not activated through a receiver of the electronic device, controlling, based on detection of a designated event, transmission power of a radio frequency (RF) signal by changing a value of a maximum transmission power level (MTPL) between a first maximum value and a first minimum value, and, if a call is activated through the receiver of the electronic device, controlling, during the call using the receiver, the transmission power of the RF signal by repeatedly changing the value of the MTPL between a second maximum value, which is less than the first maximum value, and a second minimum value so that the average value of the transmission power of the RF signal is less than or equal to the designated threshold value.

What exactly they claim (claim 1)

1. An electronic device comprising: memory, comprising one or more storage media, storing instructions; and at least one processor communicatively coupled to the memory, wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to: detect a designated event associated with proximity or grip of a user, in case that a call is not activated through a receiver of the electronic device, control, based on detecting the designated event, transmission power of a radio frequency (RF) signal by repeatedly changing a value of a maximum transmission power level (MTPL) between a first maximum value and a first minimum value such that an average value of the transmission power of the RF signal is less than or equal to a designated threshold value during a predetermined time interval, and in case that a call is activated through the receiver of the electronic device, control, during the call through the receiver, transmission power of an RF signal by repeatedly changing the value of the MTPL between a second maximum value less than the first maximum value and a second minimum value such that an average value of the transmission power of the RF signal is less than or equal to the designated threshold value during the predetermined time interval, wherein the first maximum value and the second maximum value are greater than the designated threshold value, and wherein the first minimum value and the second minimum value are less than the designated threshold value.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
ELECTRONIC DEVICE FOR TRANSMITTING RF SIGNAL, OPERATING METHOD THEREOF, AND STORAGE MEDIUM
Publication number
US20260281918A1
Application number
19665274
Filed
May 1, 2026
Published
Sep 17, 2026
Inventors
3
Claims
20

Classified under

H04W 52/367 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.