Card Shooter Entry Control Against Fraudulent Card Dealing
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Solution Overview
Problem
Conventional card shoe apparatuses fail to prevent fraudulent acts such as the insertion of false cards or inappropriate dealing during card games.
Innovation Solution
A card shoe apparatus with a card housing unit, opening unit, card reading unit, control unit, display unit, and card entry/exit restriction unit, which includes functions to prohibit fraudulent insertion and inappropriate dealing by using UV sensors and electromagnetic solenoids to control card movement based on game rules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional card shoe apparatus with CCD image sensor and optical system is used, then card reading function is provided, but fraudulent insertion of cards from the exit cannot be prevented
Solution Approach 1:
The card entry/exit restriction unit is configured to prohibit insertion of cards from the exterior toward the card housing unit via the opening unit in an opposite direction. This preliminary restriction prevents fraudulent cards from being inserted into the card shoe apparatus, addressing the vulnerability of conventional systems that lack such protective measures.
Solution Approach 2:
A card entry/exit restriction unit is introduced as an intermediary component between the card housing unit and the external environment. This unit acts as a mediator that controls and restricts card movement, allowing legitimate card dealing while blocking fraudulent card insertion attempts.
2Ease of operation
If manual card taking out from card housing unit is allowed, then cards can be dealt to game table, but inappropriate dealing of cards cannot be prevented
Solution Approach 1:
The card entry/exit restriction unit includes a function that prohibits drawing out of additional cards based on information of cards read by the card reading unit. This feedback mechanism ensures that cards are dealt according to game rules, preventing inappropriate dealing while maintaining manual operation.
Solution Approach 2:
The system performs preliminary reading of card information before allowing card removal. The card reading unit reads the card information, and based on this reading, the restriction unit determines whether additional cards should be drawn out, preventing inappropriate dealing before it occurs.
3Device complexity
If card housing unit, opening unit, card reading unit, control unit, and display unit are integrated, then compact structure is achieved, but card entry/exit control function is lost
Solution Approach 1:
The card entry/exit restriction unit is configured as a single unit that integrates multiple functions: it restricts card insertion from the exterior, controls card drawing out based on game rules, and works with the card reading unit. This multi-functional design achieves both compact structure and reliable card entry/exit control.
Data Source
AI summary
A card shoe apparatus including a card housing unit for housing a plurality of cards; an opening in the card housing unit for manually withdrawing the cards one by one from the card housing unit in a card reading direction; a card reading unit that reads information on the cards as the cards are manually withdrawn from the card housing unit in the card reading direction; a control unit that stores rules of a card game and determines the results of the card game based on the information read by the card reading unit and the rules of the card game; an optical device that detects movements of the cards relative to the card reading direction; and a card entry/exit restriction unit provided in the opening. The card entry/exit restriction unit restricts the entry or exit of any of the cards when the cards are improperly withdrawn from the opening.