Inventor
Timothy G. O'Shaughnessy
Inventor
Norco, CA, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique33%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses14%
G06FElectric digital data processing10%
H04LTransmission of digital information, e.g. telegraphic communication8%
G01RMeasuring electric variables4%
G05FSystems for regulating electric or magnetic variables4%
H03FAmplifiers4%
H03HImpedance networks, e.g. resonant circuits4%
H03MCoding4%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves2%
PatentTitleYear
11,102,270Sharing network addresses202110,237,332Sharing network addresses20199,749,392'Sharing network addresses'20178,601,162'Sharing network addresses'20136,377,514'Acoustic lens-based swimmer\'s sonar'20026,166,670'Self calibrating current mirror and digital to analog converter'20006,016,081'Tunable oscillator using a reference input frequency'20005,663,675'Multiple stage tracking filter using a self-calibrating RC oscillator circuit'19975,638,029'Circuit for externally overdriving an internal clock'19975,617,062'Timing circuit with rapid initialization on power-up'19975,594,388'Self-calibrating RC oscillator'19975,589,802'Circuit for detecting the absence of an external component'19965,585,765'Low power RC oscillator using a low voltage bias circuit'19965,552,748'Digitally-tuned oscillator including a self-calibrating RC oscillator circuit'19965,521,556'Frequency converter utilizing a feedback control loop'19965,115,151'Triple comparator circuit'19925,023,567'Stability-compensated operational amplifier'19915,017,919'Digital-to-analog converter with bit weight segmented arrays'19914,998,075'Programmable multiple oscillator circuit'19914,947,063'Method and apparatus for reducing transient noise in integrated circuits'19904,904,884'Schmitt trigger adapted to interface between different transistor architectures'19904,868,482'CMOS integrated circuit having precision resistor elements'19894,859,873'CMOS Schmitt trigger with independently biased high/low threshold circuits'19894,791,521'Method and apparatus for reducing transient noise by premagnetization of parasitic inductance'19884,786,825'CMOS Schmitt trigger circuit using ratioed currents to establish switching thresholds'19884,733,107'Low current high precision CMOS schmitt trigger circuit'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1992Patents assigned to WESTERN DIGITAL CORP (11)· patent assignee history
1988Based in Yorba Linda, CA, US· patent location history
1989–1992Based in Norco, CA, US· patent location history
1996–1997Patents assigned to AMERICAN MICRO SYST (8)· patent assignee history
1996–1997Based in Black Forest, CO, US· patent location history
2000–2002Based in Elbert, CO, US· patent location history
2013–2017Patents assigned to AOL INC (2)· patent assignee history
2013Patents assigned to O'SHAUGHNESSY TIMOTHY (1)· patent assignee history
2013–2021Based in Washington, DC, US· patent location history
2017–2019Patents assigned to OATH INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTERN DIGITAL CORP | 11 | 1988–1992 |
| AMERICAN MICRO SYST | 8 | 1996–1997 |
| AOL INC | 2 | 2013–2017 |
| OATH INC | 2 | 2017–2019 |
| O'SHAUGHNESSY TIMOTHYself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Norco, California, US | 8 | 1989–1992 |
| Washington, DC, US | 4 | 2013–2021 |
| Black Forest, CO, US | 3 | 1996–1997 |
| Yorba Linda, California, US | 3 | 1988 |
| Elbert, CO, US | 2 | 2000–2002 |