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Ching-Tsai Chou
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Tai-Chung Hsien, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Communication headset with auxiliary positioning device
Patent number
7,379,557
Issue date
May 27, 2008
AirDigit Incorporation
Ching-Tsai Chou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Anti-Falling Casing Device For Wired Single-Ear Headset
Publication number
20080187164
Publication date
Aug 7, 2008
Ching-Tsai Chou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Structure and Method of Condenser Microphone Device for Skin-Contac...
Publication number
20070269060
Publication date
Nov 22, 2007
AIRDIGIT INCORPORATION
Ching-Tsai Chou
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Three-dimensional skin-contact microphone device
Publication number
20070165885
Publication date
Jul 19, 2007
AirDigit Incorporation
Ching-Tsai Chou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
High-fidelity piezoelectric contact-type microphone structure
Publication number
20060291677
Publication date
Dec 28, 2006
AirDigit Incorporation
Ching-Tsai Chou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Adjustable headset structure
Publication number
20060291685
Publication date
Dec 28, 2006
AirDigit Incorporation
Ching-Tsai Chou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication headset
Publication number
20060147034
Publication date
Jul 6, 2006
Ching-Tsai Chou
H04 - ELECTRIC COMMUNICATION TECHNIQUE