The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Nov. 06, 2023
Optoma Corporation, New Taipei, TW;
Jiun-De Lee, New Taipei, TW;
Optoma Corporation, New Taipei, TW;
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.