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:
Dec. 30, 2025
Filed:
Dec. 08, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yuki Mori, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); G03B 21/14 (2006.01); G06T 1/00 (2006.01); G06T 7/73 (2017.01);
U.S. Cl.
CPC ...
H04N 9/3194 (2013.01); G06T 1/0007 (2013.01); G06T 7/73 (2017.01); H04N 9/3152 (2013.01); H04N 9/3185 (2013.01);
Abstract
A projector projects a dot pattern onto a projection surface, the dot pattern containing a first dot, a second dot, a third dot, a fourth dot, and black dots. The first dot, the second dot, the third dot, the fourth dot, and the black dots are displayed in different modes. The first dot is adjacent to the second dot in the horizontal direction and also adjacent to the third dot in the vertical direction. The second dot is adjacent to the fourth dot in the vertical direction, and the third dot is adjacent to the fourth dot in the horizontal direction.