Company Filing History:

15 out of 15,475

University of California

patents

3 out of 41,498

Qualcomm Incorporated

Years Active: 1994-2022

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11437980 - Frequency to digital converter, asynchronous phase sampler and digitally controlled oscillator methods (2022-09-06),

2. 10735005 - Multi-rate DEM with mismatch noise cancellation for digitally-controlled oscillators (2020-08-04),

3. 10158366 - Digital fractional-N PLL based upon ring oscillator delta-sigma frequency conversion (2018-12-18),

4. 9602113 - Fast frequency throttling and re-locking technique for phase-locked loops (2017-03-21),

5. 9461657 - Foreground and background bandwidth calibration techniques for phase-locked loops (2016-10-04),

6. 9397691 - Mostly-digital open-loop ring oscillator delta-sigma ADC and methods for conversion (2016-07-19),

7. 9054687 - VCO with linear gain over a very wide tuning range (2015-06-09),

8. 8542138 - Ring oscillator delta sigma ADC modulator with replica path nonlinearity calibration (2013-09-24),

9. 7999622 - Adaptive phase noise cancellation for fractional-N phase locked loop (2011-08-16),

10. 7986250 - Nonlinearity robust successive requantizer (2011-07-26),

11. 7953174 - Radio transmission frequency digital signal generation (2011-05-31),

12. 7652532 - Correlation method for monitoring power amplifier (2010-01-26),

13. 7602323 - Digital background correction of nonlinear error ADC's (2009-10-13),

14. 7006028 - Digital background cancellation of digital to analog converter mismatch noise in analog to digital converters (2006-02-28),

15. 6816100 - Analog-to-digital converters with common-mode rejection dynamic element matching, including as used in delta-sigma modulators (2004-11-09),

Title: Ian Galton: Innovator in Digital Conversion Technologies

Introduction

Ian Galton, a prominent inventor and innovator based in Del Mar, California, has made significant contributions to the field of digital conversion technologies with a total of 20 patents to his name. His work encompasses advanced methods for frequency to digital conversion, asynchronous sampling, and digital control techniques that have great implications for modern electronic systems.

Latest Patents

Among Ian's latest patents are groundbreaking technologies that include a frequency to digital converter that utilizes digital feedback to enhance operational efficiency. This innovation reduces implementation complexity significantly by employing a ring phase calculator to produce the converter's output. His methods also integrate digital gain correction in dual-mode ring oscillator converters and charge pump converters, compensating for gain errors without requiring analog adjustments. Furthermore, Ian introduced asynchronous sampling techniques equipped with correction logic to address arbitrary initial conditions, and a digitally-controlled oscillator (DCO) method that modulates frequency changes incrementally for improved stability.

Additionally, he has developed a digital fractional-N phase locked loop (PLL) which features multi-rate dynamic element matching (DEM) and an adaptive mismatch-noise cancellation (MNC) system. This PLL design focuses on minimizing quantization noise through a refined phase error-to-digital conversion and driving a DCO with a multi-rate DEM encoder. The innovative logic behind the adaptive mismatch-noise cancellation effectively reduces phase errors caused by frequency control element mismatches, leading to significantly more accurate digital oscillation.

Career Highlights

Throughout his career, Ian has been associated with several notable organizations, including the University of California and Qualcomm Incorporated. His experience in these prestigious institutions has greatly influenced the development of his patents and has allowed him to remain at the forefront of technology in his field.

Collaborations

Ian has collaborated with esteemed professionals such as Ashok Swaminathan and Peter M. Asbeck. These partnerships have facilitated the exchange of ideas and innovations, further enhancing the progress and application of Ian's work in digital conversion technologies.

Conclusion

Ian Galton remains a pivotal figure in the realm of digital innovation, with a keen focus on enhancing the functionality and efficiency of electronic systems through his inventive solutions. His ongoing contributions continue to shape the future of technology, reflecting the impact that a dedicated inventor can have on the ever-evolving electronics landscape.

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