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.

Date of Patent:
Feb. 25, 2025

Filed:

Mar. 16, 2023
Applicant:

Nec Corporation, Tokyo, JP;

Inventors:

Junya Nakamura, Tokyo, JP;

Daisuke Kawasaki, Tokyo, JP;

Kaori Yamane, Tokyo, JP;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01); B61D 33/00 (2006.01); B61L 15/00 (2006.01);
U.S. Cl.
CPC ...
G06K 19/06037 (2013.01); B61D 33/0007 (2013.01); B61L 15/009 (2013.01);
Abstract

A display control method includes: acquiring information indicating a contact point of an attendant in a train from a management device storing the information indicating the contact point of the attendant in the train; and transmitting information for causing a display device in the train to display a two-dimensional code based on the acquired information.


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