US 12,266,237 B2
Fraud detection system in a casino
Yasushi Shigeta, Shiga (JP)
Assigned to ANGEL GROUP CO., LTD., Shiga (JP)
Filed by ANGEL GROUP CO., LTD., Shiga (JP)
Filed on May 4, 2023, as Appl. No. 18/143,255.
Application 18/143,255 is a continuation of application No. 17/546,590, filed on Dec. 9, 2021, granted, now 11,727,750.
Application 17/546,590 is a continuation of application No. 16/933,548, filed on Jul. 20, 2020, granted, now 11,393,284, issued on Jul. 19, 2022.
Application 16/933,548 is a continuation of application No. 16/202,290, filed on Nov. 28, 2018, granted, now 10,748,378, issued on Aug. 18, 2020.
Application 16/202,290 is a continuation of application No. 16/016,128, filed on Jun. 22, 2018, granted, now 10,593,154, issued on Mar. 17, 2020.
Application 16/016,128 is a continuation of application No. 15/226,200, filed on Aug. 2, 2016, granted, now 10,032,335, issued on Jul. 24, 2018.
Claims priority of application No. 2015-163213 (JP), filed on Aug. 3, 2015; and application No. 2015-206735 (JP), filed on Oct. 1, 2015.
Prior Publication US 2023/0274611 A1, Aug. 31, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A63F 9/24 (2006.01); A63F 1/18 (2006.01); A63F 3/00 (2006.01); A63F 11/00 (2006.01); G06F 13/00 (2006.01); G06F 17/00 (2019.01); G06Q 50/34 (2012.01); G07F 17/32 (2006.01); A63F 1/00 (2006.01); A63F 1/14 (2006.01)
CPC G07F 17/3241 (2013.01) [A63F 1/18 (2013.01); A63F 3/00157 (2013.01); G06Q 50/34 (2013.01); G07F 17/3206 (2013.01); G07F 17/322 (2013.01); G07F 17/3223 (2013.01); G07F 17/3234 (2013.01); G07F 17/3248 (2013.01); G07F 17/3251 (2013.01); G07F 17/3293 (2013.01); A63F 2001/001 (2013.01); A63F 1/14 (2013.01); A63F 2250/58 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A chip recognition system for a gaming table, the gaming table having a chip tray for holding one or more chips of a dealer and a table top surface on which chips are placed in a form of a chip stack, the chip recognition system comprising:
a camera configured to capture an image of the gaming table from diagonally above to capture a plurality of chip stacks placed on the gaming table, each of the plurality of chip stacks having a different distance from the camera, whereby the plurality of chip stacks appear in the image at different sizes;
at least one processor configured to:
perform an image analysis of the image using an artificial intelligence technology or deep learning technology to recognize the plurality of chip stacks that appear in the image, and
determine, respective numbers of chips of each of the recognized chip stacks; and
a chip ID reader configured to read chip IDs of the one or more chips held in the chip tray.