Projection system, interactive projection method and projector
US12307052B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 6, 2023 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Nov 6, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04807
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A projection system, an interactive projection method and a projector are provided. The projection system includes an operation pen and a projector. The projector is wirelessly connected to the operation pen. The projector includes at least one processing unit, a projection unit, and a photographing unit. The projection unit is electrically coupled to the at least one processing unit and configured to project an interactive image onto a projection target. The photographing unit is electrically coupled to the at least one processing unit and configured to photograph the projection target to obtain an image. The at least one processing unit captures a writing image in the image. The writing image is formed by a selection trajectory of a selection operation of the operating pen on the projection target.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.