Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
1. To make the users get rid of the trouble on identifying the upper side from the lower side of the USB connector.
2. The upper and lower sides of the USB connector can be obviously distinguished from each other.
3. To make the connector unique from those with normal design.
4. It can be promised that there will be no influence on the connector.
Chengdu University of Technology
ChengDu, China
Gen Li,
Chengdu University of Technology