Rong-Hwa Ding

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Audio processing apparatus for automatic gain control
- Patent number 7,945,342
- Issue date May 17, 2011
- Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd.
- Wen-Sheng Tsai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SOUND REPRODUCTION DEVICE AND METHOD FOR AUTOMATIC GAIN CONTROL
- Publication number 20070269057
- Publication date Nov 22, 2007
- HON HAI Precision Industry CO., LTD.
- Rong-Hwa Ding
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AUDIO PROCESSING APPARATUS FOR AUTOMATIC GAIN CONTROL
- Publication number 20070255436
- Publication date Nov 1, 2007
- HON HAI Precision Industry CO., LTD.
- Wen-Sheng Tsai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSPORT DEVICE AND ACOUSTIC INSPECTION APPARATUS HAVING SAME
- Publication number 20070217618
- Publication date Sep 20, 2007
- HON HAI Precision Industry CO., LTD.
- Tsung-Lung Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND OUTPUT DEVICE AND METHOD FOR HEARING PROTECTION
- Publication number 20070195970
- Publication date Aug 23, 2007
- HON HAI Precision Industry CO., LTD.
- Rong-Hwa Ding
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND OUTPUT DEVICE AND METHOD FOR HEARING PROTECTION
- Publication number 20070195969
- Publication date Aug 23, 2007
- HON HAI Precision Industry CO., LTD.
- Rong-Hwa Ding
- H04 - ELECTRIC COMMUNICATION TECHNIQUE