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US Patent 11070076 Charging method, charging system, and power adapter

Patent 11070076 was granted and assigned to Guangdong OPPO Mobile Telecommunications Corp., Ltd. on July, 2021 by the United States Patent and Trademark Office.

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Patent abstract

A charging system, a charging method, and a power adapter are provided. The power adapter includes a battery, a first rectification unit, a transformer, a synthesis unit, a first charging interface, a sampling unit, and a modulation and control unit. The modulation and control unit is configured to modulate a voltage of a first pulsating waveform according to a voltage sampling value obtained by the sampling unit, such that a second AC output from the synthesis unit meets charging requirements.

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