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Inventor

Shawn R. McCaslin

Inventor
Austin, TX, US

Overview

16→
Patents
1991–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 16 as inventor

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

H04Bprimary
H04BTransmission21%
H04LTransmission of digital information, e.g. telegraphic communication13%
H02JElectric power networks8%
H03DDemodulation or transference of modulation from one carrier to another8%
H03HImpedance networks, e.g. resonant circuits8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
G06FElectric digital data processing4%
G10LSpeech analysis techniques or speech synthesis4%
H03JTuning resonant circuits4%
PatentTitleYear
9,106,105'Regulation of inverter DC input voltage in photovoltaic arrays'20158,970,068'Pseudo-random bit sequence generation for maximum power point tracking in photovoltaic arrays'20156,983,047'Echo canceling system for a bit pump and method of operating the same'20066,894,989'Separation circuit for an echo canceling system and method of operating the same'20056,876,699'Filter circuit for a bit pump and method of configuring the same'20056,101,172'Transmission spectra for HDSL2 transmission'20006,088,445'Adaptive filter system having mixed fixed point or floating point and block scale floating point operators'20005,864,793'Persistence and dynamic threshold based intermittent signal detector'19995,764,753'Half-duplex controller'19985,668,794'Variable gain echo suppressor'19975,631,900'Double-Talk detector for echo canceller'19975,198,992'Method and apparatus for improving wideband detection of a tone'19935,136,531'Method and apparatus for detecting a wideband tone'19925,036,294'Phase locked loop having low-frequency jitter compensation'19914,999,798'Transient free interpolating decimator'19914,989,169'Digital tone detector using a ratio of two demodulators of differing frequency'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to MOTOROLA INC (4)· patent assignee history
1991–1993Based in Cedar Creek, TX, US· patent location history
1997Patents assigned to CRYSTAL SEMICONDUCTOR (2)· patent assignee history
1997–2015Based in Austin, TX, US· patent location history
1998–2000Patents assigned to CRYSTAL SEMICONDUCTOR CORP (2)· patent assignee history
2000–2006Based in Buda, TX, US· patent location history
2005–2006Patents assigned to LUCENT TECHNOLOGIES INC (2)· patent assignee history
2015Patents assigned to DRAKER INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOTOROLA INC41991–1992
CRYSTAL SEMICONDUCTOR21997
CRYSTAL SEMICONDUCTOR CORP21998–2000
DRAKER INC22015
LUCENT TECHNOLOGIES INC22005–2006
Locations
LocationPatentsSpan
Austin, Texas, US61997–2015
Buda, Texas, US52000–2006
Cedar Creek, Texas, US51991–1993