David D Helfrick

Title: David D. Helfrick: Innovating Inkjet Technology

Introduction

David D. Helfrick is an inventive mind located in San Diego, CA, known for his contributions to the field of inkjet printing technology. With a total of three patents to his name, Helfrick has consistently focused on reducing dot placement artifacts in inkjet printheads, showcasing his commitment to enhancing printing precision and efficiency.

Latest Patents

Helfrick's most recent patents include significant advancements in inkjet printing methods. The first patent details a technique involving variable mapping of nozzle rows to decrease dot placement artifacts in a thermal inkjet printhead. This method effectively adjusts the mapping of each nozzle row based on swath height errors, aiming to mitigate the visual discrepancies caused during the printing process.

His second patent addresses the issue of dot placement artifacts as well, this time by introducing a method to disable specific ink ejection elements in overlapping nozzle rows. By selectively deactivating certain nozzles based on swath height errors, the technology aims to further enhance print quality.

Career Highlights

David D. Helfrick is currently affiliated with Hewlett-Packard Development Company, L.P. His innovative work in inkjet technology has made him a notable figure within the organization, driving advancements in printing solutions and quality.

Collaborations

Throughout his career, Helfrick has collaborated with esteemed colleagues such as Ronald Albert Askeland and James A. Feinn. This teamwork has been instrumental in fostering creativity and introducing fresh ideas within the realm of inkjet technology.

Conclusion

David D. Helfrick's ongoing contributions to the innovative landscape of inkjet printing exemplify the crucial role inventors play in advancing technology. Through his patents and collaborations, he continues to push the boundaries of what is possible in inkjet printing, making a lasting impact on the industry.