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Publication of GB1239742ApublicationCriticalpatent/GB1239742A/en
G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
G07C9/00—Individual registration on entry or exit
G07C9/20—Individual registration on entry or exit involving the use of a pass
G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
G07C9/24—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a handwritten signature
G07C9/243—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a handwritten signature visually, e.g. by comparing in a viewer the written signature with a reference on the pass