| 摘要 |
PROBLEM TO BE SOLVED: To solve the safety problem of a conventional road sign and difficulty in recognizing the road sign due to various obstructions existing around a road in a city such as signboards of shops, automatic vending machines, colorful buildings that can become obstacles when a driver tries to recognize the road sign, causing the case of overlooking the road sign although there is no safety problem while enabling a rider to easily recognize the road sign installed at the road in the case of riding a two wheeler on a street with few installations, facing the road. SOLUTION: A plurality of transmitters for transmitting road sign information are provided around the road, and a receiver for receiving information from the transmitters is provided near the driver. Sign information is transmitted from the transmitters toward the receiver. The sign information is received by the receiver, and the driver can hear the sign information with voice. |
