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For the Inventor, By the Inventor

Daejeon, South Korea

Ja Yol Lee

USPTO Granted Patents = 22 

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 79(Granted Patents)


Location History:

  • Daejeon-shi, KR (2007)
  • Chungcheongnam-do, KR (2014)
  • Nonsan-si, KR (2017 - 2021)
  • Daejeon, KR (2008 - 2024)

Company Filing History:

goldMedal22 out of 11,277 
 
Electronics and Telecommunications Research Institute
 patents

Years Active: 2007-2024

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22 patents (USPTO):Explore Patents
1. 12028082 - Phase-locked loop circuit and operation method thereof (2024-07-02),
2. 10976409 - Frequency-modulated continuous wave generator and frequency-modulated continuous wave radar system including the same (2021-04-13),
3. 10917046 - Electronic circuit performing push-pull operation and oscillator including the same (2021-02-09),
4. 10819129 - Battery charging system including battery gauge (2020-10-27),
5. 9735788 - Phase locked loop for reducing fractional spur noise (2017-08-15),
6. 9705515 - Digital phase locked loop and method of driving the same (2017-07-11),
7. 9654119 - Phase locked loop and operating method thereof (2017-05-16),
8. 8797203 - Low-power high-resolution time-to-digital converter (2014-08-05),
9. 8432199 - Fractional digital PLL with analog phase error compensator (2013-04-30),
10. 8344772 - Time-to-digital converter and all digital phase-locked loop including the same (2013-01-01),
11. 8060020 - Apparatus and method for removing interference signal using selective frequency phase converter (2011-11-15),
12. 8031009 - Frequency calibration loop circuit (2011-10-04),
13. 8013641 - Frequency synthesizer including a digital lock detector (2011-09-06),
14. 7999707 - Apparatus for compensating for error of time-to-digital converter (2011-08-16),
15. 7961038 - Digital proportional integral loop filter (2011-06-14),

Title: Innovations of Ja Yol Lee in Phase-Locked Loop Circuits and Frequency-Modulated Continuous Wave Generators

Introduction: Ja Yol Lee is an esteemed inventor based in Daejeon, South Korea, who has made significant contributions to the field of electronics and telecommunications. With an impressive portfolio of 22 patents, his work primarily focuses on advanced circuit designs and systems for efficient signal processing.

Latest Patents: Among his latest inventions are a pioneering phase-locked loop circuit and its operational method. This innovative circuit comprises a voltage-controlled oscillator (VCO) that generates a clock signal responsive to a voltage control signal. It also integrates a divider, error detectors, a sampler, and an adder to ensure precise error compensation for signal stability, illustrating a remarkable blend of technical knowledge and practical application.

Another notable patent by Ja Yol Lee is the frequency-modulated continuous wave generator, which underpins a sophisticated radar system. This generator utilizes a ramp signal generator to produce an analog ramp signal, further enhancing signal accuracy through a well-designed feedback loop.

Career Highlights: Ja Yol Lee's work is closely associated with the Electronics and Telecommunications Research Institute, where he has been able to leverage cutting-edge research into practical applications. His patents reflect his innovative thinking and commitment to advancing the field of electronics in communication technologies.

Collaborations: Throughout his career, Ja Yol Lee has collaborated with esteemed colleagues, including Hyun Kyu Yu and Sang Heung Lee. These partnerships have fostered an environment of shared expertise, allowing for groundbreaking advancements in their projects.

Conclusion: Ja Yol Lee's contributions to phase-locked loop circuits and frequency-modulated continuous wave systems have positioned him as a pivotal figure in the electronics and telecommunications landscape. His extensive patent portfolio continues to reflect his dedication to innovation and excellence in engineering.

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