James R Wooden

Title: Innovations of James R. Wooden

Introduction

James R. Wooden is a notable inventor based in Charlotte, NC (US). He has made significant contributions to the field of printing technology, holding a total of 2 patents. His work primarily focuses on enhancing the functionality and efficiency of inkjet and wire matrix printers.

Latest Patents

One of his latest patents is titled "Apparatus for detecting failure of thermal heaters in ink jet printers." This invention provides a method and device for detecting failures in heating elements of thermal jet printing devices. The device includes a plurality of thermally actuated printing jets, each equipped with a resistance heating element. The invention features an electrical circuit that supplies current to these elements, generating bubbles that eject drops of ink. A test circuit is also included to generate a failure signal when resistance exceeds a preselected value, allowing for the identification of failed heating elements.

Another significant patent by Wooden is the "Taut band piezoelectric actuator for wire matrix printing elements." This invention relates to printing elements used in serial wire matrix printers. Each printing element is driven by an actuating means that moves it against a ribbon from a retracted to an actuated position. The actuating means includes a drive element anchored to piezoelectric crystal stacks, which expand in response to electrical signals. This design allows for precise control of the printing elements, enhancing the overall printing process.

Career Highlights

James R. Wooden has had a distinguished career at International Business Machines Corporation (IBM). His innovative work has contributed to advancements in printing technology, making him a valuable asset to the company.

Collaborations

Throughout his career, Wooden has collaborated with notable coworkers such as Ray A. McSparran and William S. Moore. Their combined expertise has fostered a creative environment that has led to groundbreaking inventions in the printing industry.

Conclusion

James R. Wooden's contributions to printing technology through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the industry, showcasing the importance of advancements in printing technology.