Hand Cleanliness

This invention describes a system for verifying hand cleanliness, potentially worn by a person. It uses a sensor to detect a special marker, such as a unique spectral signature or periodic pattern, placed on the user's hand. A processor then compares the detected marker to confirm if the hand is clean.

Why it matters: Filed before advanced machine learning could robustly infer activity sequences. The claims cover correlating activity data with thoroughness, which AI can now handle efficiently.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateSensor, processor, custom markers

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