Display device
US11501672B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2021 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Oct 20, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F9/372
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device installed on the handle of a public transportation vehicle displays advertising information. The display device includes a body and two displays. The body includes a housing. The housing has a first surface, a second surface opposite the first surface, a third surface, and an opening. The housing is provided with a fixed hole penetrating through the first surface and the second surface. The housing is provided with a fixing component therein. The housing is provided with two electronic component-accommodating portions therein. The electronic component-accommodating portions are respectively arranged at two sides of the fixed hole. The third surface and the opening are perpendicular to the first surface and the second surface. The display device can reduce waste of ink and paper due to using advertising papers to advertise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.