Patent ID: 8216067
Filing Date: 2012-07-10
Classification: A63F,G07F

Abstract:
1. A detection device, which is used in a gaming machine that detects a number of dots on a die having a wireless tag, and reads the number of dots on the die, the device comprising: a field that supports the die; and a reader that reads number of dots information of the die from the wireless tag, wherein the reader includes: a reader main body portion that decodes the number of dots information from the wireless tag and controls the reader; a first antenna portion disposed substantially in a central portion of the field, and formed in a substantially circular shape; a plurality of second antenna portions disposed so as to superimpose a detection area of the first antenna portion, and having a detection area larger than the first antenna portion; and wiring that respectively connects the first antenna portion and the second antenna portion to the reader main body portion, and wherein the plurality of the second antenna portions are disposed so as to have a portion of detection areas mutually superimposed.