Registers – Coded record sensors – Particular sensor structure
Patent
1996-09-30
1999-08-31
Hajec, Donald
Registers
Coded record sensors
Particular sensor structure
235456, 235460, G06K 710
Patent
active
059456558
ABSTRACT:
The issue of bingo paper as controlled by producing packages of multiple sheets each including multiple bingo cards, with each card provided with a uniformly located machine readable index number, the index number of cards on a sheet, and on sheets within a package being related to each other and to a matrix of numbers appearing on each card such that the index number of each card uniquely identifies a number matrix appearing on that card, and that of other cards within the sheet, as well as the sheet and package to which it belongs, checking each package into inventory, machine reading the index numbers of sufficient of said cards as they are sold to identify which cards have been sold, and placing the said cards in play. Verification of cards is provided by machine reading the index number of a card claimed to be a winning card, verifying that it is a card in play, and identifying the number matrix carried by the card to verify that it is a winning card. Multiple cards can be identified at a time as they are sold by measuring the dimensions of a part sheet of cards to determine the numbers of cards therein and their positional relationship to a card at one corner of the part sheet, and matching reading the index number of the card at that corner to identify the cards transferred from stock to play. The index numbers are typically in the form of barcodes.
REFERENCES:
patent: 3786234 (1974-01-01), Trent et al.
patent: 4760247 (1988-07-01), Keane et al.
Gilgeous Earle
Walker Angela
Frech Karl D.
Hajec Donald
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