Location History:
- Ontario, CA (1987 - 1991)
- Terra Cotta, CA (1988 - 1991)
Company Filing History:
6 out of 47 
1 out of 832,680 Years Active: 1987-1991
Title: Innovations of Robert S McCallum
Introduction
Robert S McCallum is a notable inventor based in Terra Cotta, California. He holds a total of seven patents, showcasing his contributions to the field of imaging technology. His work has significantly impacted the development of charge transfer imaging and electrostatic printing.
Latest Patents
One of McCallum's latest patents is the Charge Transfer Imaging Cartridge. This invention features a cartridge designed for charge transfer imaging, which includes a flexible dielectric substrate with sets of driver and finger electrodes. These electrodes are separated by a dielectric layer and arranged to form a charge generating matrix. The flexible substrate can be deformed from its natural planar form to a U-shape, allowing for innovative applications in imaging technology.
Another significant patent is the Charged Particle Printer. This invention provides an electrostatic print cartridge that places electrostatically charged dots on a charge receiving surface to create a latent image for subsequent toning. The cartridge is designed with a rigid spine to prevent bending during construction, and it includes a dielectric substrate with driver electrodes arranged in parallel lines. The finger electrodes intersect with the driver electrodes, defining a matrix of apertures that facilitate the creation of images.
Career Highlights
Throughout his career, Robert S McCallum has worked with various companies, including Delphax Systems. His experience in the industry has allowed him to develop innovative technologies that enhance imaging processes.
Collaborations
McCallum has collaborated with notable individuals such as Hemant M Gandhi and Paul E Plasschaert. These collaborations have contributed to the advancement of his inventions and the overall field of imaging technology.
Conclusion
Robert S McCallum's contributions to imaging technology through his patents and collaborations highlight his innovative spirit and dedication to advancing the field. His work continues to influence the development of new technologies in charge transfer imaging and electrostatic printing.
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.