US 7,502,759 B2
Digital watermarking methods and related toy and game applications
Brett T. Hannigan, Portland, Oreg. (US); Ravi K. Sharma, Hillsboro, Oreg. (US); Stephen K. Decker, Lake Oswego, Oreg. (US); Phillip Andrew Seder, Portland, Oreg. (US); Tony F. Rodriguez, Portland, Oreg. (US); and Andrew Klonsky, Portland, Oreg. (US)
Assigned to Digimarc Corporation, Beaverton, Oreg. (US)
Filed on May 02, 2002, as Appl. No. 10/139,147.
Application 10/139147 is a continuation in part of application No. 09/709255, filed on Nov. 08, 2000, granted, now 7,261,612.
Application 09/709255 is a continuation in part of application No. 09/571422, filed on May 15, 2000, granted, now 6,947,571.
Application 09/709255 is a continuation in part of application No. 10/139147.
Application 10/139147 is a continuation in part of application No. PCT/US01/14014, filed on Apr. 30, 2001.
Claims priority of provisional application 60/355856, filed on Feb. 10, 2002.
Claims priority of provisional application 60/297229, filed on Jun. 07, 2001.
Claims priority of provisional application 60/288272, filed on May 02, 2001.
Claims priority of provisional application 60/151586, filed on Aug. 30, 1999.
Prior Publication US 2003/0037075 A1, Feb. 20, 2003
Int. Cl. G06F 17/00 (2006.01)
U.S. Cl. 705—51  [705/1; 705/50; 235/468; 380/123] 28 Claims
OG exemplary drawing
 
1. A toy system comprising:
a plurality of toy components, each bearing a digital watermark imperceptibly embedded on a surface of the component;
an image capture device; and
a programmed computer coupled to the image capture device and operable to receive images of the toy components, and in response to the images, decoding digital watermarks from the images and executing actions associated with the digital watermarks;
wherein different actions are respectively associated with the toy components, and wherein the programmed computer is operable to execute different actions in response to receiving separate instances of images captured of the same toy component.