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Samsung patents camera switch method to cut motor noise

Samsung describes a method for managing power to the optical image stabilization (OIS) motors in multi-camera phones. When switching between lenses, the system applies specific noise reduction steps before turning the motors on or off to prevent audible clicks or hums.

Why it mattersThis improves the user experience by making camera transitions between different lenses, such as wide and telephoto, smoother and quieter.

In the filing’s own words

An electronic device and a method for reducing camera noise are provided. The electronic device includes a plurality of cameras including a first camera and a second camera, memory comprising one or more storage media, storing instructions, at least one processor communicatively coupled to the plurality of cameras and the memory, wherein at least one of the plurality of cameras includes an optical image stabilization (OIS) module, wherein the OIS module includes an OIS carrier including at least one of a lens, an image sensor, and a prism, and a voice coil motor (VCM) driver, and controls a position of the OIS module in at least one of a pitch direction, a roll direction, and a yaw direction, and wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to individually control power to the OIS module, in case that the first camera in a standby state is selected, perform a first noise reduction process after applying power to a first OIS module of the first camera, and in case that the second camera transitions from an operating state to a standby state, perform a second noise reduction process before cutting off power to a second OIS module of the second camera.

What exactly they claim (claim 1)

1. An electronic device comprising: a plurality of cameras comprising a first camera and a second camera; memory comprising one or more storage media, storing instructions; and at least one processor communicatively coupled to the plurality of cameras and the memory, wherein at least one of the plurality of cameras comprises an optical image stabilization (OIS) module, wherein the OIS module comprises an OIS carrier comprising at least one of a lens, an image sensor, and a prism, and a voice coil motor (VCM) driver, and controls a position of the OIS module in at least one of a pitch direction, a roll direction, and a yaw direction, and wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to: individually control power to the OIS module, in case that the first camera in a standby state is selected, perform a first noise reduction process after supplying power to a first OIS module of the first camera, and in case that the second camera transitions from an operating state to a standby state, perform a second noise reduction process before cutting off power to a second OIS module of the second camera.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
ELECTRONIC DEVICE AND METHOD FOR REDUCING CAMERA NOISE
Publication number
US20260261757A1
Application number
19657717
Filed
Apr 24, 2026
Published
Sep 3, 2026
Inventors
4
Claims
20

Classified under

H04N 23/651 Electricity & electronicsH04N 23/667 Electricity & electronicsH04N 23/6812 Electricity & electronicsH04N 23/687 Electricity & electronicsH04N 23/695 Electricity & electronicsH04N 23/81 Electricity & electronics
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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.