Transmitter, receiver, and transmission-reception system

A transmitter configured to be attachable to a plurality of types of tire valves, comprising:

• a pressure sensor configured to detect a pressure of a tire;
• a data generating unit configured to generate transmission data;
• a transmitting unit configured to transmit the transmission data to a receiver;
• a determining unit configured to determine the type of the tire valve to which the transmitter is attached;
• a warning transmission controlling unit configured to cause the transmitting unit to perform warning transmission for causing the receiver to issue a warning when a detection value of the pressure sensor exceeds a threshold;
• a transmitter memory unit configured to store a correspondence relationship between the type of the tire valve and the threshold;
• and
• a warning threshold setting unit configured to set, from the correspondence relationship, the threshold in accordance with the type of the tire valve determined by the determining unit.

A transmitter configured to be attachable to a plurality of types of tire valves, comprising:

• an acceleration sensor configured to detect a centrifugal acceleration that acts on the transmitter as a wheel rotates;
• a data generating unit configured to generate transmission data;
• a transmitting unit configured to transmit the transmission data to a receiver;
• a determining unit configured to determine the type of the tire valve to which the transmitter is attached;
• a warning transmission controlling unit configured to cause the transmitting unit to perform warning transmission for causing the receiver to issue a warning when a detection value of the acceleration sensor exceeds a threshold;
• a transmitter memory unit configured to store a correspondence relationship between the type of the tire valve and the threshold;
• and
• a warning threshold setting unit configured to set, from the correspondence relationship, the threshold in accordance with the type of the tire valve determined by the determining unit.

A receiver configured to receive transmission data transmitted from a transmitter attachable to a plurality of types of tire valves, the receiver comprising:

• a receiving unit configured to receive the transmission data;
• a receiving memory unit configured to store a correspondence relationship between the type of the tire valve and a threshold for controlling a vehicle;
• an obtaining unit configured to obtain valve identification information from the transmission data received by the receiving unit;
• and
• a setting unit configured to recognize, from the valve identification information, the type of the tire valve to which the transmitter is attached, and setting, from the correspondence relationship, the threshold in accordance with the recognized type of the tire valve.

A transmission-reception system comprising:

• a transmitter configured to be attachable to a plurality of types of tire valves;
• and
• a receiver configured to receive transmission data transmitted from the transmitter, wherein
• the transmitter includes
• a data generating unit configured to generate the transmission data,
• a transmitting unit configured to transmit the transmission data, and
• a controlling unit that causes the transmitting unit to transmit the transmission data including valve identification information for causing the type of the tire valve to which the transmitter is attached to be recognized, and
• the receiver includes
• a receiving unit configured to receive the transmission data,
• a receiving memory unit configured to store a correspondence relationship between the type of the tire valve and a threshold for controlling a vehicle,
• an obtaining unit configured to obtain the valve identification information from the transmission data received by the receiving unit, and
• a setting unit configured to recognize, from the valve identification information, the type of the tire valve to which the transmitter is attached, and setting, from the correspondence relationship, the threshold in accordance with the recognized type of the tire valve.