Hand cleanliness
First Claim
1. A method comprisingat a device worn by a person in a cleanliness-sensitive environment, electronically detecting at least a threshold concentration of a cleanliness agent on a portion of a person'"'"'s skin that has been placed in the vicinity of the device, andusing light or sound to indicate to people in the vicinity of the person if the portion of the person'"'"'s skin is not clean, based on the electronic detecting.
3 Assignments
0 Petitions
Accused Products
Abstract
An electronic sensor is configured to be carried by a person and to be used by the person to detect a cleanliness state of the person'"'"'s hands. A single unit includes the electronic sensor and (a) a device to provide an indication of the cleanliness state of the person'"'"'s hands and/or (b) a device to identify the person. A circuit that is configured to control how long after a cleanliness state of a person'"'"'s hands has been determined to be clean, the state is presumed no longer to be clean. A badge that includes indicia identifying a person who carries the badge, a sensor to be used to detect a cleanliness state of the person'"'"'s hands, and a visible indicator to indicate to other people the cleanliness state of the person'"'"'s hands can be used in combination.
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Citations
13 Claims
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1. A method comprising
at a device worn by a person in a cleanliness-sensitive environment, electronically detecting at least a threshold concentration of a cleanliness agent on a portion of a person'"'"'s skin that has been placed in the vicinity of the device, and using light or sound to indicate to people in the vicinity of the person if the portion of the person'"'"'s skin is not clean, based on the electronic detecting.
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7. An apparatus comprising
a device worn by a person in a cleanliness-sensitive environment, the device including an electronic detector to detect at least a threshold concentration of a cleanliness agent on a portion of a person'"'"'s skin that has been placed in the vicinity of the device, and a light or sound indicator to indicate to people in the vicinity of the person if the portion of the person'"'"'s skin is not clean, based on the electronic detecting.
Specification