Beijing
China
8
2012-11-15
The entities that hold a legal rights for patent applications filed by inventor ZHAO Junhui:
Junhui ZHAO from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method, device and system for calibrating positioning device
#2 | 2011-12-15RECEIVER SYSTEM, METHOD FOR ARRANGING THE RECEIVER SYSTEM AND POSITIONING SYSTEM COMPRISING THE RECEIVER SYSTEM
#3 | 2010-07-22Method, device and system for calibrating positioning device
#4 | 2010-05-06Multi-objects positioning system and power-control based multiple access control method
#5 | 2010-04-15METHOD AND SYSTEM FOR POSITIONING OBJECT WITH ADAPTIVE RESOLUTION
#6 | 2009-12-03Autonomous ultrasonic indoor location system, apparatus and method
#7 | 2009-07-30AUTONOMOUS ULTRASONIC INDOOR TRACKING SYSTEM
#8 | 2008-01-31Media program identification method and apparatus based on audio watermarking
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