Information output device
US11586289B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2018 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Jun 4, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N35/80
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Provided is an information output apparatus including one or more information output units, wherein each information output unit includes a coil arranged to be connected to a power source, such that a current flows in the coil; a base unit configured to accommodate the coil; and a driving indicator, which is arranged in the base unit to be apart from and close to the coil to be driven by a current flowing in the coil and is configured to move in a first direction toward the coil and a direction opposite thereto to rotate while being connected to the base unit and to move in a second direction crossing the first direction to be recognized by a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.