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:
Aug. 11, 2026
Filed:
Jan. 12, 2022
Sony Group Corporation, Tokyo, JP;
Kazuichiro Itonaga, Tokyo, JP;
SONY GROUP CORPORATION, Tokyo, JP;
Abstract
A projection device the present disclosure includes a photographing unit that photographs a sheet on which guided information is entered at a plurality of times of day, the plurality of times of day including a first time of day and a second time of day being later than the first time of day; an image processing unit that extracts a partial characteristic amount of the sheet at the first time of day and a partial characteristic amount of the sheet at the second time of day to compute, at the second time of day, an amount of movement of the sheet from the first time of day; and a projection unit that projects guiding information for the guided information entered on the sheet, at a coordinate position to which the amount of movement of the sheet, computed by the image processing unit, has been added.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile