Patent ID: 6999861

Claim:
A receiver for a tire status monitoring apparatus that monitors statuses of a plurality of tires provided on a vehicle and includes a plurality of transmitters, provided on the tires respectively, for transmitting data indicating statuses of the respective tires, the data including an identification code to identify each tire, the receiver being supplied with an activation signal to activate a drive source of the vehicle, the receiver comprising: a reception unit which receives the data from the transmitters; and a control circuit connected to the reception unit, wherein upon detection of the activation signal, the control circuit collates the identification code included in the data and specifies, based on the identification code, each transmitter which has transmitted the data, wherein the control circuit has an identification code registered beforehand, determines whether or not the identification code included in the data matches with the registered identification code, and determines whether or not those identification codes included in the data received by a first predetermined number of times match with one another a second predetermined number of times less than the first predetermined number of times or more when it is determined that those two identification codes do not match with each other, and determines that that tire which is associated with the identification code included in the data has been changed when it is decided that there have been such matches.