Inventor
Xiaofen Chen
Inventor
West Linn, OR, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication41%
H04BTransmission27%
G01RMeasuring electric variables14%
H04NPictorial communication, e.g. television14%
G01SRadio direction-finding5%
PatentTitleYear
9,176,213'Adaptive coded modulation in low earth orbit satellite communication system'20157,373,282'Fault severity check and source identification'20087,184,406'Visualization of active codes, their spreading factors and power levels, in a code domain power display'20076,741,642'Enhanced constellation display for VSB television signals'20046,701,265'Calibration for vector network analyzer'20046,671,334'Measurement receiver demodulator'20036,636,722'Broadband receiver amplitude/phase normalization using a broadband temperature compensated noise source and a pseudo random sequence generator'20036,542,112'Interference cancellation in antenna test'20036,384,589'Reference frequency spur cancellation in synthesized measurement receivers'20026,366,621'Method of estimating pilot signal phase in a digitally modulated RF signal'20026,366,629'Method of estimating timing phase and rate offsets in digital data'20026,275,523'In-service measurement of transmitter nonlinearities'20016,246,717'Measurement test set and method for in-service measurements of phase noise'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2008Patents assigned to TEKTRONIX INC (11)· patent assignee history
2001Patents assigned to TEXTRONIC INC (1)· patent assignee history
2001–2008Based in West Linn, OR, US· patent location history
2015Patents assigned to NORTHROP GRUMMAN SYSTEMS CORP (1)· patent assignee history
2015Based in Rancho Palos Verdes, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEKTRONIX INC | 11 | 2001–2008 |
| NORTHROP GRUMMAN SYSTEMS CORP | 1 | 2015 |
| TEXTRONIC INC | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| West Linn, OR, US | 12 | 2001–2008 |
| Rancho Palos Verdes, California, US | 1 | 2015 |