Location History:
- Los Altos, CA (US) (1986 - 2006)
- Santa Clara, CA (US) (2008)
- San Carlos, CA (US) (2014)
Company Filing History:
5 out of 50 
3 out of 110 
2 out of 8 
Years Active: 1986-2014
Title: Inventor John Gray Campbell: A Pioneer in Display Technology
Introduction
John Gray Campbell is an accomplished inventor based in Los Altos, California, with a remarkable portfolio of 13 patents. His work primarily focuses on advancements in display systems and integrated circuit technology, contributing significantly to the fields of electronics and visual display solutions.
Latest Patents
One of Campbell's latest innovations is a patent for a "Pixel circuit and display system comprising same." This innovative display system encompasses a display controller, display unit, and light source. The display controller integrates a processor unit, memory device, and voltage source, while the display unit features an array of pixel cells and circuitry for receiving logic, control voltages, and data to operate the display. This technology aims to optimize image display in alternating operational modes.
Campbell's patent regarding "Power grid layout techniques on integrated circuits" addresses the challenge of reducing power supply voltage drops caused by conductive trace routing on integrated circuits. His techniques enhance voltage consistency across various regions of the integrated circuit, thus increasing efficiency in power supply voltage distribution.
Career Highlights
Throughout his career, John Gray Campbell has collaborated with leading technology companies, including Aurora Systems, Inc. and Microunity Systems Engineering, Inc. His work at these renowned organizations has further propelled innovations in display and integrated circuit technologies.
Collaborations
Campbell's career has been enriched by strategic partnerships with notable colleagues such as Edwin Lyle Hudson and Ban Pak Wong. Together, they have contributed to pioneering advancements in electronic display systems, setting new standards within the industry.
Conclusion
John Gray Campbell represents a significant force in the realm of technological innovation, particularly in display systems and integrated circuits. His extensive patent portfolio reflects his dedication to enhancing the functionality of visual technology, leaving an indelible mark on the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.