Self propelled device with magnetic coupling
US11249472B2 · kind B2 · utility
0Cited by
41References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2019 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Sep 23, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S901/01
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A self-propelled device includes a spherical housing and an internal drive system. The self-propelled device can further include an internal structure having a magnet holder that holds a first set of magnets and an external accessory comprising a second set of magnets to magnetically interact, through the spherical housing, with the first set magnets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.