Transmitters of a tire condition monitoring apparatus that monitors condition of vehicle tires. Each transmitter has a measuring sensor, a transmission circuit, a vehicle speed sensor and a controller. The measuring sensor measures condition of the corresp...

A tire condition monitoring apparatus monitors the condition of a tire (20) of a vehicle. The apparatus includes a transmitter (30), a receiving antenna (41), and a receiver (40). The transmitter (30) wirelessly transmits data indicating the condition of t...

A commander (6) transmits a command signal that includes a channel code set by a channel code setting switch (11). When receiving the transmission command signal from the commander (6), a transmitter (3) transmits a response signal that contains the channe...

Different types of data included in a signal transmitted by a transmitter, except for synchronous data, are each configured by a binary code signal of a predetermined bit count. The synchronous data is configured by a signal of a pattern different from the...

A transmitter (21) of a tire condition monitoring apparatus that has a superior moisture resistant characteristic, enables reduction in size, and facilitates manufacturing. The transmitter includes a casing (24) formed from resin. An electric circuit unit ...

A transmitter (3), which is operated by a battery (15), wirelessly transmits data including data that represents the temperature (T) in a tire (2) and data that represents the voltage (V) of the battery (15). A receiver judges whether or not the life of th...

A transmitter includes a main body (10) and a valve stem (11). The main body (10) has a resin casing (13), which includes a cylinder (20). A metal cylindrical collar (21) is inserted in the cylinder (20). An inserting section (22) of the valve stem (11) is...