Detection system for detecting a position of a ball on a roulett

Device and method for selecting random numbers for playing lotte

Device and method for silent bridge bidding

Device for generating impact sound for slot machine

Device for holding display plate for game machine

Device for obtaining readings of statistical variables

Device for selecting a number, letter or other symbol

Device with hold and advance feature for the reels of a game mac

Dice game

Divided table gaming machine

Dividedly paying game machine

Double dragon wheel

Drive and indexing mechanism for a rotatable drum chance device

Drive mechanism for a variable speed gaming device

Drum halting system for game apparatus

Dual wheel roulette game apparatus and method of use

Dynamic rate control method and apparatus for electronically pla