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Philippe Wu
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Nepean, CA
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for built in self test for timing module holdover
Patent number
8,884,706
Issue date
Nov 11, 2014
BlackBerry Limited
Charles Nicholls
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
System and method for built in self test for timing module holdover
Patent number
8,847,690
Issue date
Sep 30, 2014
BlackBerry Limited
Charles Nicholls
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and system for correcting oscillator frequency drift
Patent number
8,674,778
Issue date
Mar 18, 2014
Apple Inc.
Charles W. T. Nicholls
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
System and method for built in self test for timing module holdover
Patent number
7,915,962
Issue date
Mar 29, 2011
Nortel Networks Limited
Charles Nicholls
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reference timing signal apparatus and method
Patent number
7,015,762
Issue date
Mar 21, 2006
Nortel Networks Limited
Charles Nicholls
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Reference timing signal oscillator with frequency stability
Patent number
6,711,230
Issue date
Mar 23, 2004
Nortel Networks Limited
Charles Nicholls
G04 - HOROLOGY
Information
Patent Grant
Zero-delay structure for sub-band echo cancellation
Patent number
6,661,895
Issue date
Dec 9, 2003
Zarlink Semiconductor Inc.
Qu Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
SYSTEM AND METHOD FOR BUILT IN SELF TEST FOR TIMING MODULE HOLDOVER
Publication number
20130046497
Publication date
Feb 21, 2013
Charles Nicholls
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR BUILT IN SELF TEST FOR TIMING MODULE HOLDOVER
Publication number
20110169577
Publication date
Jul 14, 2011
Nortel Networks Limited
CHARLES NICHOLLS
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR BUILT IN SELF TEST FOR TIMING MODULE HOLDOVER
Publication number
20110001567
Publication date
Jan 6, 2011
Nortel Networks Limited
CHARLES NICHOLLS
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR CORRECTING OSCILLATOR FREQUENCY DRIFT
Publication number
20090278616
Publication date
Nov 12, 2009
Nortel Networks Limited
Charles W. T. Nicholls
H03 - BASIC ELECTRONIC CIRCUITRY