Los Altos, CA, United States of America

JoAnn P Close

This inventor holds 5 USPTO granted patents. Top assignee: Analog Devices,inc.. Active years: 1987-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: JoAnn P Close. Retrieved from https://idiyas.com/inventor/joann-p-close

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 3

Forward Citations = 17(Granted Patents)


Location History:

  • Arlington, MA (US) (1987)
  • Los Altos, CA (US) (2001 - 2017)

Company Filing History:


Years Active: 1987-2017

Loading Chart...
5 patents (USPTO):Explore Patents

Title: JoAnn P Close: Innovator in Signal Processing Circuits

Introduction

JoAnn P Close is a prominent inventor based in Los Altos, CA (US). She has made significant contributions to the field of signal processing, holding a total of 5 patents. Her innovative work focuses on enhancing the performance and efficiency of electronic circuits.

Latest Patents

One of her latest patents is titled "Circuits with Floating Bias." This invention describes apparatus and methods designed to increase the range of a signal processing circuit. The system utilizes floating bias circuits that are coupled to a signal processing circuit, allowing for a broader range of power supplies while keeping the components within a safe breakdown voltage threshold. As the voltage level of the data signal fluctuates, the voltage level of the floating bias circuits adjusts accordingly. Another notable patent is the "Differentially Compensated Input Pair." This invention pertains to an amplifier that includes an absolute value circuit, which can be driven by differential potentials. It features a first pair of transistors that modulate the tail current of the amplifier when a differential input voltage increases, and a second pair that does so when the voltage decreases.

Career Highlights

JoAnn P Close is currently employed at Analog Devices, Inc., where she continues to innovate and develop advanced technologies in signal processing. Her work has been instrumental in pushing the boundaries of what is possible in electronic circuit design.

Collaborations

Throughout her career, JoAnn has collaborated with talented individuals such as Nathan R Carter and Vikram Garg. These partnerships have contributed to her success and the advancement of her inventions.

Conclusion

JoAnn P Close is a remarkable inventor whose contributions to signal processing circuits have made a lasting impact in the field. Her innovative patents and dedication to her work exemplify the spirit of invention and progress.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…