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Xiaojun C Chen, 561596 Bellemeade St, San Jose, CA 95131

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1596 Bellemeade St, San Jose, CA 95131    650-2833270   

Tavares, FL   

Clovis, CA   

Brentwood, CA   

Morgan Hill, CA   

Troy, NY   

Fremont, CA   

Sunnyvale, CA   

San Francisco, CA   

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Xiaojun Chen resumes & CV records

Resumes

Xiaojun Chen Photo 31

Xiaojun Jessica Chen

Location:
San Francisco, CA
Industry:
Computer & Network Security
Skills:
Android Development, Java, Javascript, Mysql, Ajax, Perl, Software Development, Jsp, Agile Methodologies, Jdbc, Web Applications, Microsoft Sql Server, Spring, Android, Enterprise Software, Mobile Product Development, Ruby on Rails, Ios Development, Databases, Css, C#, Servlets, C++, Debugging, Qt/Qml

Publications & IP owners

Us Patents

Polarization Measurement And Self-Calibration Based On Multiple Tunable Optical Polarization Rotators

US Patent:
7436569, Oct 14, 2008
Filed:
Jul 28, 2006
Appl. No.:
11/495164
Inventors:
Xiaojun Chen - San Gabriel CA, US
Lianshan Yan - Monterey Park CA, US
Assignee:
General Photonics Corporation - Chino CA
International Classification:
G02F 1/03
G01J 4/00
US Classification:
359259, 356368
Abstract:
Devices and techniques for generating and analyzing states of polarization in light using multiple adjustable polarization rotators in various applications.

Optical Spectrum Analysis Using Optical Interferometry

US Patent:
7693419, Apr 6, 2010
Filed:
Nov 22, 2006
Appl. No.:
11/562961
Inventors:
Xiaojun Chen - San Gabriel CA, US
Lianshan Yan - Monterey Park CA, US
Assignee:
General Photonics Corporation - Chino CA
International Classification:
H04B 10/08
H04B 10/06
US Classification:
398 25, 398 34, 398202, 398212, 398213, 398214
Abstract:
Techniques and devices that use polarization rotation and optical interferometry to provide optical spectrum analysis of an optical signal.

Optical Differential Group Delay Module With Folded Optical Path

US Patent:
7723670, May 25, 2010
Filed:
Mar 26, 2008
Appl. No.:
12/055685
Inventors:
Lianshan Yan - Sichuan, CN
Xiaojun Chen - San Gabriel CA, US
Xiaotian Steve Yao - Diamond Bar CA, US
Assignee:
General Photonics Corporation - Chino CA
International Classification:
G02F 1/01
US Classification:
250225, 359246, 359251
Abstract:
Differential group delay (DGD) devices and techniques based on folded optical paths. An in-line polarization monitor can be provided as a feedback for worst-case alignment without using an in-line polarizer. Polarization maintaining retro reflectors can minimize the introduced higher-order polarization effects caused by reflections between folding mirrors or prisms in conventional schemes.

Mode Scrambling Apparatus For Multimode Fiber

US Patent:
7945130, May 17, 2011
Filed:
Nov 15, 2007
Appl. No.:
11/941007
Inventors:
Lianshan Yan - Monterey Park CA, US
Lynn Lin - Diamond Bar CA, US
Xiaojun Chen - San Gabriel CA, US
Xiaotian Steve Yao - Diamond Bar CA, US
Assignee:
General Photonics Corporation - Chino CA
International Classification:
G02B 6/26
US Classification:
385 28, 385 1, 385 27, 385 31
Abstract:
Apparatus and methods for scrambling optical modes in multimode fibers to achieve uniform light distribution in guided multi-mode light for various applications.

Waveplate Analyzer Based On Multiple Tunable Optical Polarization Rotators

US Patent:
7952711, May 31, 2011
Filed:
Mar 26, 2008
Appl. No.:
12/056262
Inventors:
Xiaojun Chen - San Gabriel CA, US
Lianshan Yan - Sichuan, CN
Xiaotian Steve Yao - Diamond Bar CA, US
Assignee:
General Photonics Corporation - Chino CA
International Classification:
G01J 4/00
US Classification:
356365, 356364, 356367
Abstract:
Systems, apparatus and methods for characterizing linear retarders using a waveplate analyzer constructed by polarization rotators. In one implementation of such an analyzer, both the retardation of the waveplate sample and the orientation of optical axis of the waveplate sample can be simultaneously measured.

Measuring Distributed Polarization Crosstalk In Polarization Maintaining Fiber And Optical Birefringent Material

US Patent:
8599385, Dec 3, 2013
Filed:
May 14, 2010
Appl. No.:
12/780593
Inventors:
Xiaojun Chen - San Gabriel CA, US
Xiaotian Steve Yao - Diamond Bar CA, US
Assignee:
General Photonics Corporation - Chino CA
International Classification:
G01B 9/02
US Classification:
356491, 356477
Abstract:
Techniques and devices for measuring the distribution of polarization crosstalk in birefringence optical media including polarization maintaining fiber based on suppressing the number and magnitude of ghost interference peaks.

Real-Time Relay Of Wireless Communications

US Patent:
2022033, Oct 20, 2022
Filed:
Jun 30, 2022
Appl. No.:
17/810105
Inventors:
- Cupertino CA, US
Louay ALSAKKA - Cupertino CA, US
Axel BERNY - Los Gatos CA, US
Tad DREIER - Castro Valley CA, US
Joachim HAMMERSCHMIDT - Sonoma CA, US
Lei LI - Santa Clara CA, US
Xiaojun CHEN - San Jose CA, US
Vusthla Sunil REDDY - Cupertino CA, US
Peter M. AGBOH - Bend OR, US
Mohit NARANG - Cupertino CA, US
International Classification:
H04W 28/04
H04L 69/40
H04R 1/10
H04L 69/14
H04L 1/16
H04L 1/18
H04W 76/14
H04W 84/18
Abstract:
Exemplary embodiments include a system having a first wireless audio output device configured to connect to a source device via a first piconet and a second wireless audio output device configured to connect to the first wireless audio output device via a second piconet. A schedule of the first piconet includes a plurality of slots associated with an audio packet, a first subset of the slots used by the source device to transmit the audio packet, the first and second wireless audio output devices tuning to the first piconet to listen for the transmissions of the audio packet, and when, after a last one of the first subset of slots, the first or second wireless audio output devices did not receive the audio packet, the first and second wireless audio output devices exchange information via the second piconet such that the both wireless audio output device receive the audio packet.

Coordinated Transmission And Control For Audio Output Devices

US Patent:
2022018, Jun 9, 2022
Filed:
Feb 28, 2022
Appl. No.:
17/652792
Inventors:
- Cupertino CA, US
Xiaojun CHEN - San Jose CA, US
Camille CHEN - Cupertino CA, US
Siegfried LEHMANN - Sunnyvale CA, US
Vusthla Sunil REDDY - Cupertino CA, US
Peter M. AGBOH - Bend OR, US
International Classification:
H04W 76/16
H04W 52/50
H04W 4/80
H04L 5/00
H04W 84/18
H04B 17/318
H04W 12/55
Abstract:
Methods performed by a first sink device, a source device, or a second sink device. The first sink device is connected to a source device via a first communication link and a second sink device via a second communication link, wherein the second sink device is configured to eavesdrop on communications between the first sink device and the source device on the first communication link. The methods include determining an occurrence of a trigger event and modifying an operation of at least one of the first sink device, the second sink device or the source device based at least on the trigger event occurring.

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