Jianfei Chu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Backlight circuit, electronic device, and backlight adjustment method
- Patent number 10,499,472
- Issue date Dec 3, 2019
- Huawei Technologies Co., Ltd.
- Junqing Shuai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Backlight circuit, electronic device, and backlight adjustment method
- Patent number 10,462,873
- Issue date Oct 29, 2019
- Huawei Technologies Co., Ltd.
- Junqing Shuai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
VOICE SIGNAL OUTPUT METHOD AND ELECTRONIC DEVICE
- Publication number 20250140229
- Publication date May 1, 2025
- Honor Device Co., Ltd.
- Xiao YANG
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
KERNEL OF SPEAKER MODULE, SPEAKER MODULE, AND EARPHONE
- Publication number 20240284111
- Publication date Aug 22, 2024
- Beijing Honor Device Co., Ltd.
- Yunhai LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND RECORDING METHOD AND APPARATUS
- Publication number 20240201944
- Publication date Jun 20, 2024
- Honor Device Co., Ltd.
- Xiao YANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SPEAKER MODULE AND HEADSET
- Publication number 20240080610
- Publication date Mar 7, 2024
- Beijing Honor Device Co., Ltd.
- Jinhua LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Backlight Circuit, Electronic Device, And Backlight Adjustment Method
- Publication number 20180368220
- Publication date Dec 20, 2018
- HUAWEI TECHNOLOGIES CO., LTD.
- Junqing SHUAI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
User Equipment
- Publication number 20180173339
- Publication date Jun 21, 2018
- Huawei Technologies Co., Ltd
- Jianfei Chu
- G06 - COMPUTING CALCULATING COUNTING