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:
Oct. 05, 2021
Filed:
Jan. 24, 2020
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G02B 27/017 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0178 (2013.01); G02B 2027/0187 (2013.01);
Abstract
Provided is a display device to prevent a decrease in visibility of a work object. The display device includes a display unit that displays work support information through surrounding scenery, a sensor group including at least one imaging unit that images in a visual line direction of a user, a work state determination unit that determines a work state of the user based on an output from the sensor group, and a display control unit that changes display of the work support information on the display unit corresponding to the determined work state of the user.