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Inventor

Tao Duan

Inventor
Maple, CA

Overview

8→
Patents
1999–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary
H04BTransmission31%
H03HImpedance networks, e.g. resonant circuits23%
G11BInformation storage based on relative movement between record carrier and transducer8%
H01QAntennas, i.e. radio aerials8%
H04HBroadcast communication8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04QSelecting8%
H04WWireless communication networks8%
PatentTitleYear
11,128,382Multi-modulation-format compatible high-speed laser signal generation system and method202111,088,762Phase-lock-free system and method for receiving multi-modulation-format compatible high-speed laser signal202111,005,580Array antenna calibration method and device202110,931,359Method and apparatus for detecting beam20216,728,584'Synchronization and mixing of multiple streams at different sampling rates'20046,000,834'Audio sampling rate conversion filter'19995,986,589'Multi-stream audio sampling rate conversion circuit and method'19995,963,153'Multi-stream audio sampling rate conversion system and method using variable converter rate control data'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2004Patents assigned to ATI TECHNOLOGIES (2)· patent assignee history
1999Patents assigned to ATI TECHNOLOGIES INC (2)· patent assignee history
1999Based in Maple, CA· patent location history
2004Based in Richmond Hill, CA· patent location history
2021Patents assigned to Datang mobile communications equipment co ltd (2)· patent assignee history
2021Patents assigned to XIAN INSTITUTE OF OPTICS AND PREC MECHANICS CHINESE ACADEMY OF SCIENCES (2)· patent assignee history
2021Based in Beijing, CN· patent location history
2021Based in Shaanxi, CN· patent location history
2021Based in Xi'an, Shaanxi, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ATI TECHNOLOGIES21999–2004
ATI TECHNOLOGIES INC21999
Datang mobile communications equipment co ltd22021
XIAN INSTITUTE OF OPTICS AND PREC MECHANICS CHINESE ACADEMY OF SCIENCES22021
Locations
LocationPatentsSpan
Maple, CA31999
Beijing, CN22021
Shaanxi, CN12021
Xi'an, Shaanxi, CN12021
Richmond Hill, CA12004