| 摘要 |
A wireless automatic transmission for a bicycle comprises: a torque measuring unit for measuring torque applied to bicycle pedals by measuring deformation of spokes of a bicycle pedal pulley; a gear transmission unit for determining the shifting of gears by using the measured torque and for shifting the gears based on the determination; and a wireless transmission-reception unit for transmitting and receiving the torque measured between the torque measuring unit and the gear transmission unit. [Reference numerals] (33) Sensor unit; (39) Wireless Bluetooth transmitter; (43) Wireless Bluetooth receiver; (AA) Wireless transmission |
