| 摘要 |
PROBLEM TO BE SOLVED: To provide an interactive learning tool using a bar code to make a simple printed sheet which is more useful and gives amusement. SOLUTION: A sheet (16) contains an image (12) that is recognizable by a person, such as an image of a dog, and also contains a machine readable graphic symbol such as a two-dimensional bar code (20). An electronic reader (22) scans the graphic symbol and generates a sound (32) such as the sounded, or pronounced word "dog". Letters of the alphabet, such as letters that spell "D-O-G", are printed directly on the two-dimensional bar code. The two-dimensional bar code can be read forward to sound the English word "dog" and can be scanned rearward to pronounce the translated word in Spanish such as "perro". COPYRIGHT: (C)2008,JPO&INPIT
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