| 摘要 |
PROBLEM TO BE SOLVED: To prevent the forgery of a taxi ticket by utilizing a color copier and the use of the forged ticket. SOLUTION: The taxi ticket 21 has entry columns for riding section and riding charge and a signature column for a taxi user and is provided with a truth display region 33 made of a magnetic body in a part of the ticket. A taxi ticket truth or falsehood distinguishing device 35 has a magnetic sensor, an operation display lamp 37, and a truth or falsehood display lamp 38 and lights the operation display lamp 37 and the truth or falsehood display lamp 38 when detecting the truth display region 33 from the taxi ticket 21. On the contrary, if the truth display region 33 cannot be detected by the forged ticket, the truth or falsehood display lamp 38 cannot be lit even if the operation display lamp 37 is lit. |
