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Inventor

Sheng-Jen Tsai

Inventor
Bridgewater, NJ, US

Overview

8→
Patents
1989–2003
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.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication31%
H04BTransmission23%
G01SRadio direction-finding15%
H04WWireless communication networks15%
H03KPulse technique8%
H03MCoding8%
PatentTitleYear
6,665,356'Sample timing control for demodulation of phase-modulated signals'20036,590,945'Method and apparatus for frequency offset compensation'20036,567,486'Apparatus and method for finding location of a mobile unit'20036,567,480'Method and apparatus for sampling timing adjustment and frequency offset compensation'20036,535,733'Measurement radio system for producing operating information for traffic radios'20036,493,539'Providing an accurate timing source for locating the geographical position of a mobile'20025,068,657'Method and apparatus for testing delta-sigma modulators'19914,800,301'Method and apparatus for sensing signals'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (1)· patent assignee history
1989–1991Based in Newtown, PA, US· patent location history
1991Patents assigned to AT & T BELL LAB (1)· patent assignee history
2002–2003Patents assigned to LUCENT TECHNOLOGIES INC (5)· patent assignee history
2002–2003Based in Bridgewater, NJ, US· patent location history
2003Patents assigned to AGERE SYSTEMS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LUCENT TECHNOLOGIES INC52002–2003
AGERE SYSTEMS INC12003
AMERICAN TELEPHONE & TELEGRAPH11989
AT & T BELL LAB11991
Locations
LocationPatentsSpan
Bridgewater, New Jersey, US62002–2003
Newtown, Pennsylvania, US21989–1991