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Haiquan Huang
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Changdu, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Calculating navigation system time in a satellite navigation system
Patent number
8,378,889
Issue date
Feb 19, 2013
02Micro Inc.
Xiaoguang Yu
G01 - MEASURING TESTING
Information
Patent Grant
Signal acquisition systems with applications of general clocks
Patent number
8,154,449
Issue date
Apr 10, 2012
O2Micro International, Ltd.
Xiaoguang Yu
G01 - MEASURING TESTING
Information
Patent Grant
System for demodulating navigation bits from satellite signals
Patent number
8,149,164
Issue date
Apr 3, 2012
O2Micro International, Ltd.
Xiaoguang Yu
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for signal carrier-to-noise power density rati...
Patent number
8,054,872
Issue date
Nov 8, 2011
O2Micro, Inc.
Jianhui Hou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Global positioning system receiver
Patent number
8,035,559
Issue date
Oct 11, 2011
o2 Micro, Inc.
Xiaoguang Yu
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for detecting lock status of a GPS signal
Patent number
7,869,485
Issue date
Jan 11, 2011
O2Micro International Ltd.
Xiaoguang Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for decreasing time to first fix of GPS receiver
Patent number
7,446,700
Issue date
Nov 4, 2008
O2Micro International Ltd.
Xiaoguang Yu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
INERTIAL NAVIGATION SYSTEM WITH ERROR CORRECTION BASED ON NAVIGATIO...
Publication number
20100332126
Publication date
Dec 30, 2010
O2Micro, Inc.
Haiquan Huang
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM FOR DEMODULATING NAVIGATION BITS FROM SATELLITE SIGNALS
Publication number
20100328156
Publication date
Dec 30, 2010
O2Micro, Inc.
Xiaoguang YU
G01 - MEASURING TESTING
Information
Patent Application
CALCULATING NAVIGATION SYSTEM TIME IN A SATELLITE NAVIGATION SYSTEM
Publication number
20100073230
Publication date
Mar 25, 2010
Xiaoguang YU
G01 - MEASURING TESTING
Information
Patent Application
Signal Acquisition Systems With Applications Of General Clocks
Publication number
20100039322
Publication date
Feb 18, 2010
O2Micro, Inc.
Xiaoguang Yu
G01 - MEASURING TESTING
Information
Patent Application
Global positioning system receiver
Publication number
20090295634
Publication date
Dec 3, 2009
O2Micro, Inc.
Xiaoguang Yu
G01 - MEASURING TESTING
Information
Patent Application
Method and apparatus for detecting lock status of a GPS signal
Publication number
20080317101
Publication date
Dec 25, 2008
Xiaoguang Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for signal carrier-to-noise power density rati...
Publication number
20080317099
Publication date
Dec 25, 2008
02Micro, Inc.
Jianhui HOU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and apparatus for decreasing time to first fix of GPS receiver
Publication number
20080191939
Publication date
Aug 14, 2008
Xiaoguang Yu
G01 - MEASURING TESTING