Electronic shifting systems and methods
US9981717B2 · kind B2 · utility
0Cited by
26References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Aug 3, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2003
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention provides a wireless control system for a bicycle, including at least one shift unit including a shift actuator, and a master control unit in communication with the shift actuator. The master control unit transmits on a channel and listens for noise on the channel. When the master control unit receives an input signal from the shift actuator, the master control unit transmits a plurality of shift signals corresponding to the input signal for a message duration time if the channel is free of noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.