YEFENG CAI

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Suzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Error model-based multi-zone sound reproduction method and device
- Patent number 9,992,604
- Issue date Jun 5, 2018
- Suzhou Sonavox Electronics Co., Ltd
- Yefeng Cai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Implementation method and device of multi-bit modulation-based digi...
- Patent number 9,942,682
- Issue date Apr 10, 2018
- Dengyong Ma
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
VEHICLE ROAD NOISE CONTROL METHOD AND SYSTEM BASED ON ACTIVE NOISE...
- Publication number 20250061880
- Publication date Feb 20, 2025
- SUZHOU RAREVOX ELECTRONICS CO., LTD.
- Yongsheng MU
- B60 - VEHICLES IN GENERAL
Information Patent Application
ERROR MODEL-BASED MULTI-ZONE SOUND REPRODUCTION METHOD AND DEVICE
- Publication number 20170201848
- Publication date Jul 13, 2017
- SUZHOU SONAVOX ELECTRONICS CO., LTD.
- Yefeng CAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMPLEMENTATION METHOD AND DEVICE OF MULTI-BIT MODULATION-BASED DIG...
- Publication number 20160309274
- Publication date Oct 20, 2016
- SUZHOU SONAVOX ELECTRONICS CO., LTD.
- DENGYONG MA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE