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. 05, 2023
Filed:
May. 31, 2019
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Assignee:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/01 (2006.01); G01P 13/00 (2006.01); G01P 15/00 (2006.01);
U.S. Cl.
CPC ...
G06F 3/013 (2013.01); G01P 13/00 (2013.01); G01P 15/00 (2013.01); G06F 3/012 (2013.01);
Abstract
A distance estimation apparatus includes processing circuitry configured to acquire a sensor value output from a sensor configured to measure a relative motion of a head or eyeballs of a user who visually searches for a target on a plane and estimate a distance between the user and a search target plane using a maximum value of an amount of change when a rate of change in the sensor value acquired within a time period that is equal to or greater than a predetermined threshold value becomes a maximum.