Shahriar Vazan, a remarkable inventor based in Northridge, CA, has made significant contributions to the field of electro-optical systems. With a total of three patents to his name, his innovations focus on enhancing the performance and efficiency of multi-beam scanning systems and LED printbars. His work exemplifies the intersection of technology and creativity, paving the way for advancements in optical engineering.

Latest Patents

Shahriar's latest patents include two groundbreaking inventions. The first is titled **"Parallel Beam to Beam Power Correction,"** which discloses an electro-optical system designed to adjust beam-to-beam power non-uniformity in multi-beam scanning systems. This system comprises an N×M array of light beams paired with an N×M array of photodetectors. The innovative approach utilizes optical means to deflect the light beams onto the photodetector array. Additionally, a circuit made up of programmable laser drivers, which are programmed with uniformity values for each light beam, coupled with an array of feedback loops, ensures that the power intensity of each beam is finely adjusted. This technique takes into account photodetector data along with non-linearity inputs, optimizing the beam-to-beam power uniformity correction.

The second impressive patent, **"Adaptive Light Emitting Diode Bar Equalization,"** addresses the uniformity of light output from an LED printbar. By employing current sensing or image sensing methods for auxiliary LEDs on the printbar, the system can evaluate the overall light output. A photodetector measures the light from these auxiliary LEDs, with a comparator determining whether compensation is necessary for the entire LED printbar to achieve uniform light output. Such innovations not only enhance performance but also optimize operational efficiency in printing technologies.

Career Highlights

Shahriar Vazan currently works at Xerox Corporation, a trailblazer in document technology and services. His role within the organization has allowed him to push the boundaries of technological innovation and engage in cutting-edge research and development. His contributions are reflective of a dedicated commitment to advancing optical systems and enhancing overall product performance.

Collaborations

Throughout his career, Shahriar has had the pleasure of collaborating with esteemed colleagues such as Robert P. Loce and Girmay K. Girmay. These collaborations have been instrumental in facilitating innovative solutions and advancing the research that underpins his patented technologies. Working alongside such accomplished professionals has enriched Shahriar’s career, culminating in remarkable achievements in the field.

Conclusion

Shahriar Vazan stands out as a significant figure in the realm of optical system inventions. His latest patents, driven by a relentless pursuit of innovation and collaboration with seasoned colleagues, reinforce his status as a prolific inventor. As technology continues to evolve, his contributions will undoubtedly play a vital role in shaping future developments in the industry.

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