Patent ID: 8362889

Claim:
A road condition detecting system comprising: a transmitter provided in a sending-side object on a road and adapted to transmit information about road conditions; and a receiver provided in a receiving-side object on the road and adapted to receive information about the road conditions, wherein: the transmitter includes a sending-side vicinity information obtaining unit that obtains information about the vicinity of the sending-side object, a transmitted information determining unit that determines information to be transmitted, from the vicinity information obtained by the sending-side vicinity information obtaining unit, and a transmitting unit that transmits the vicinity information determined by the transmitted information determining unit, the receiver includes: a receiving unit that receives the vicinity information transmitted from the transmitting unit of the transmitter, a receiving-side vicinity information obtaining unit that obtains information about the vicinity of the receiving-side object, a reliability obtaining unit that respectively obtains the reliability of the information about the vicinity of the receiving-side object which is obtained by the receiving-side vicinity information obtaining unit and the reliability of information about the vicinity of the sending-side object which the receiving unit receives, and a received information determining unit that determines whether the information about the vicinity of the sending-side object which the receiving unit receives is to be employed, wherein the received information determining unit compares the reliability of the information about the vicinity of the receiving-side object, which is obtained by the reliability obtaining unit, with the reliability of the information about the vicinity of the sending-side object, which is obtained by the reliability obtaining unit, and employs the vicinity information having the higher reliability, the transmitted information determining unit includes a receiving-side information obtaining unit that obtains information about the receiving-side object, and determines the information to be transmitted, based on the information about the receiving-side object, and the receiving-side information obtaining unit obtains the information about the receiving-side object which is calculated based on the vicinity information obtained by the sending-side vicinity information obtaining unit.