Electronic shifting systems and methods
US9802669B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2016 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Aug 2, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2003
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wireless control system for a bicycle, comprising a first shift control unit for a component of a bicycle, the first control unit comprising a radio configured to receive control signals, wirelessly transmitted by a second control unit of the bicycle; the radio operable to receive the control signals only when the radio is operating in a listen mode; and a processor configured to: activate the listen mode of the radio for a first length of time; detect, with the radio, a noise level during the first length of time; and extend the activation of the listen mode for a first extended time period when the noise level achieves a noise level threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.