Company Filing History:
2 out of 4,811 
2 out of 6 
1 out of 2 Years Active: 1981-2000
Title: Martti Karppinen: Innovator in Automatic Surface Inspection
Introduction
Martti Karppinen is a notable inventor based in Oulu, Finland. He has made significant contributions to the field of automatic inspection technologies, holding a total of 4 patents. His work focuses on enhancing the efficiency and accuracy of surface inspections through innovative methods and apparatus.
Latest Patents
One of Martti Karppinen's latest patents is a method and apparatus for automatic inspection of moving surfaces. This invention utilizes at least three different illumination and observation channels. The process begins with the surface being inspected under bright field conditions, illuminated by a first beam of light from a first light source. The light reemitted from the surface is captured by a light-sensitive sensor device, generating a first signal. Subsequently, the surface is illuminated under dark field conditions by a second and a third beam of light from additional light sources. The reemitted light from these beams is also captured, resulting in second and third signals. Ultimately, a physical property of the surface is derived from the combination of these signals, showcasing the innovative approach to surface inspection.
Career Highlights
Throughout his career, Martti Karppinen has worked with esteemed organizations, including the Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. and Spectra-Physics Visiontech Oy. His experience in these companies has contributed to his expertise in the field of optical inspection technologies.
Collaborations
Martti has collaborated with notable professionals in his field, including Detlef Paul and Ari Harkonen. These collaborations have further enriched his work and innovations in automatic inspection technologies.
Conclusion
Martti Karppinen's contributions to the field of automatic surface inspection demonstrate his commitment to innovation and excellence. His patents and career achievements reflect a deep understanding of the technological advancements necessary for improving inspection processes.
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