Company Filing History:
Years Active: 1988-1992
Title: Innovations by Susan C. Schoening
Introduction
Susan C. Schoening is a notable inventor based in Portland, OR (US). She has made significant contributions to the field of inkjet technology, holding a total of 3 patents. Her work focuses on enhancing print quality and efficiency in inkjet printing systems.
Latest Patents
One of her latest patents is a method of operating an inkjet to achieve high print quality. This invention involves a drop-on-demand inkjet that features an ink chamber connected to a source of ink and an ink drop orifice. An acoustic driver generates a pressure wave in the ink, facilitating the outward passage of ink through the orifice. The driver operates with bipolar drive pulses that include a refill pulse component and an eject pulse component, which are separated by a wait period. This innovative approach optimizes drop shape and minimizes speed variations, allowing for high-quality printing with various inks, including phase change inks.
Another significant patent by Schoening is a method and apparatus for printing with ink drops of varying sizes. This invention also utilizes a drop-on-demand inkjet system, where the size of the ink drops can be adjusted by varying the drive signals to the acoustic driver. This flexibility in drop size enhances the versatility of the inkjet printer, enabling it to work with a wide range of inks.
Career Highlights
Susan C. Schoening has built a successful career at Tektronix, Inc., where she has been instrumental in advancing inkjet technology. Her innovative solutions have contributed to the company's reputation as a leader in the printing industry.
Collaborations
Throughout her career, Schoening has collaborated with talented individuals such as Joy Roy and Douglas M. Stanley. These partnerships have fostered a creative environment that has led to groundbreaking advancements in inkjet technology.
Conclusion
Susan C. Schoening's contributions to inkjet technology exemplify her innovative spirit and dedication to improving print quality. Her patents reflect her expertise and commitment to advancing the field, making her a significant figure in the world of inventions.