This inventor holds 64 USPTO granted patents and 1 published patent application, primarily in Polar Modulation (CPC class H04B). Top assignees: Sequoia Communications Corporation, Quintic Holdings, Nokia Mobile Phones Limited. Active years: 1996-2019.
Inventors with similar research interests:
Location History:
- Poway, CA (US) (1996 - 2019)
- Singapore, SG (2019)
Company Filing History:
30 out of 30Â 
15 out of 28Â 
8 out of 1,965Â 
Years Active: 1996-2019
Areas of Expertise:
Title: The Innovations of John B Groe: Pioneering Digital-to-Analog Technologies
Introduction
John B Groe is a prominent inventor based in Poway, California, known for his substantial contributions to the field of digital-to-analog conversion. With a remarkable portfolio of 64 patents, Groe has significantly impacted technologies used in cellular communications, showcasing his expertise and innovative spirit.
Latest Patents
Among his latest notable inventions is a cutting-edge digital-to-analog converter system and method, specifically designed for interleaved radio frequency digital-to-analog conversion (RF DAC). This invention is particularly suited for use in cellular base stations, offering a wide RF tuning range and bandwidth. The provision of two levels of interleaving enhances the effectiveness of the output bandwidth as it relates to the RF center frequency, while digital interpolation capabilities allow the RF DAC to function across varying base-band sample rates.
Another notable patent by Groe involves the controlled muting and power ramping of a voltage-controlled oscillator. This system includes a unique LC tank circuit whose inductive component also serves as the transmitter's antenna. The muting circuit, featuring a variable resistor, helps ensure efficient operation within radio transmission applications.
Career Highlights
Throughout his illustrious career, John B Groe has collaborated with esteemed companies such as Sequoia Communications Corporation and Quintic Holdings. His work in these organizations has not only bolstered their technological advancements but has also solidified his reputation as a leading inventor in the industry.
Collaborations
In his journey as an inventor, Groe has worked alongside talented individuals such as Michael Naone Farias and Joseph Jay Austin. These collaborations have fostered a creative environment that has contributed to many of his innovative ideas and successful patent applications.
Conclusion
John B Groe's dedication to innovation and his impressive array of patents serve as a testament to his expertise in digital-to-analog technologies. His latest inventions underscore his role as a key player in advancing the communications industry, ensuring more efficient and effective technologies for the future.