Inventor
Dale H. Nelson
Inventor
Shillington, PA, US
Overview
Patents· 35 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses20%
H03KPulse technique12%
H04MTelephonic communication10%
H03FAmplifiers8%
H03HImpedance networks, e.g. resonant circuits8%
A61BDiagnosis6%
G06FElectric digital data processing4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H04BTransmission4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
8,466,728'Enhanced delay matching buffer circuit'20137,643,580'Signal generator circuit having multiple output frequencies'20107,496,170'Digitally controlled oscillator having enhanced control resolution'20097,471,123'Fractional-N baseband frequency synthesizer in bluetooth applications'20087,388,442'Digitally controlled oscillator for reduced power over process variations'20087,352,837'Digital phase-locked loop'20086,946,884'Fractional-N baseband frequency synthesizer in bluetooth applications'20056,831,976'Telephone line-powered power supply for ancillary equipment and method of operation thereof'20046,654,469'Methods and devices for reducing sampling noise in analog signals using linear interpolation'20036,552,618'VCO gain self-calibration for low voltage phase lock-loop applications'20036,504,437'Low-noise, fast-lock phase-lock loop with gearshifting control'20036,396,357'Low voltage differential voltage-controlled ring oscillator'20026,320,469'Lock detector for phase-locked loop'20016,278,332'Charge pump for low-voltage, low-jitter phase locked loops'20016,259,311'Method and apparatus for tuning filters'20016,244,865'Tongue positioning device with optional filter'20016,163,183'Multifunction reset for mixed-signal integrated circuits'20006,160,446'Balanced differential amplifier without common-mode feedback circuit'20006,144,853'Method and apparatus for digital cordless telephony'20006,091,307'Rapid turn-on, controlled amplitude crystal oscillator'20006,078,799'System and method for calibrating single sideband receiver reject image product'20006,046,647'Voltage-controlled oscillator'20006,040,728'Active substrate noise injection cancellation'20005,671,529'Method of forming a molded pulse oximeter sensor'19975,610,505'Voltage-to-current converter with MOS reference resistor'19975,463,520'Electrostatic discharge protection with hysteresis trigger circuit'19955,425,360'Molded pulse oximeter sensor'19955,357,208'Boost function for filters'19945,327,302'Data filter tuning for constant density recording applications'19945,311,088'Transconductance cell with improved linearity'19945,001,439'Very low distortion amplifier'19914,539,552'Digital-to-analog converter'19854,523,266'AC to DC conversion system with current spreading circuit'19854,352,958'Electronically-switched multifrequency generator with transducer control'19824,196,318'Electronically-switched multifrequency generator for providing tone signaling'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1985Based in Cumberland, IN, US· patent location history
1985–1994Patents assigned to AT & T BELL LAB (5)· patent assignee history
1985Based in Natick, MA, US· patent location history
1991–2004Based in Shillington, PA, US· patent location history
1995–2001Patents assigned to SENSORMEDICS CORP (3)· patent assignee history
1995–2001Based in Corona, CA, US· patent location history
1997–2003Patents assigned to LUCENT TECHNOLOGIES INC (8)· patent assignee history
2001–2002Patents assigned to AGERE SYST GUARDIAN CORP (4)· patent assignee history
2002–2013Based in Macungie, PA, US· patent location history
2003–2010Patents assigned to AGERE SYSTEMS INC (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGERE SYSTEMS INC | 9 | 2003–2010 |
| LUCENT TECHNOLOGIES INC | 8 | 1997–2003 |
| AT & T BELL LAB | 5 | 1985–1994 |
| AGERE SYST GUARDIAN CORP | 4 | 2001–2002 |
| SENSORMEDICS CORP | 3 | 1995–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shillington, Pennsylvania, US | 19 | 1991–2004 |
| Macungie, Pennsylvania, US | 9 | 2002–2013 |
| Corona, California, US | 3 | 1995–2001 |
| Cumberland, IN, US | 3 | 1980–1985 |
| Natick, Massachusetts, US | 1 | 1985 |