Electrically power assisted bicycle with ambient light controlled headlight
US10625817B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2017 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Feb 23, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electrically power assisted bicycle includes an electric motor that generates an assist force assisting human power of a rider, a detachable battery that supplies electric power to the electric motor, a headlight, and an operation panel including a display that displays information, a power button that turns on or off the electrically power assisted bicycle, an illuminance sensor that outputs a signal in accordance with received light, and a controller configured or programmed to control the headlight to be on or off. The power button and the illuminance sensor are located close to each other on or in the operation panel. After a predetermined time period passes after the controller is activated by the power button being pressed by the rider, the controller starts controlling the headlight to be on or off in accordance with the signal output by the illuminance sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.