Hartwig Ruell is a notable inventor based in Mt. Laurel, NJ (US), recognized for his contributions to fingerprint sensing technology. With a total of six patents to his name, Ruell has made significant advancements in the field of biometric identification.

Latest Patents

Among his latest innovations is a fingerprint sensing device designed to derive an electric signal based on the topographic relief of a finger. This device features a contact body made partially from a light-transparent elastic material, which allows for a smooth contact surface before the investigation process begins. When a finger is pressed against this surface, it conforms to the fingerprint pattern, enabling accurate readings. The sensor also includes a light source, photodetector, and an optical system that work together to capture and process the fingerprint information. Another patent involves a fingerprint sensor that utilizes a piezoelectric material to transform fingerprint information into an electric output signal. This sensor plate changes the distribution of electric charges based on the contact pressure from the finger, allowing for precise identification.

Career Highlights

Hartwig Ruell is currently employed at Siemens Corporation, where he continues to develop innovative technologies in the field of fingerprint sensing. His work has contributed to enhancing security measures and improving user authentication processes.

Collaborations

Throughout his career, Ruell has collaborated with esteemed colleagues such as Wolfgang H.

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