The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 14, 2000
Filed:
Feb. 17, 1998
Applicant:
Inventor:
Raymond C Johnson, Chesterfield, MO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382100 ; 382173 ; 134113 ;
Abstract
An apparatus and method for monitoring hand washing wherein a subject's hands are checked after he or she has applied soap or detergent and spread it over the front and back of his or her hands. An optical image of the subject's hands is digitized and compared, pixel by pixel, with a reference feature that distinguishes the soap and a report is generated indicating whether the subject's hands are covered with enough soap or detergent to receive a satisfactory report.