Projection apparatus
US11726395B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2021 |
| Grant date | Aug 15, 2023 |
| Priority date | — |
| Expiry date | Jan 12, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/54
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present disclosure provides a projection apparatus. The projection apparatus includes: a projection body, a rotation platform, wherein the projection body is rotatably connected to the rotation platform; a first drive device, arranged on the projection apparatus and configured to drive the projection body to rotate relative to the rotation platform; a base, wherein the rotation platform is rotatably connected to the base; a second drive device, arranged on the base and configured to drive the rotation platform to rotate relative to the base; and a controller, arranged on the projection apparatus and configured to control the first drive device and the second drive device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.