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:
Mar. 19, 2019
Filed:
Dec. 19, 2016
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A transmitter includes a light source which enables changing the characteristic of light, on a time-series basis, and a controller which sets a predetermined duration for a symbol included in information to be transmitted and controls the light source to change the characteristic of the light emitted by the light source, on a time-series basis in accordance with a value of the symbol in the duration. A receiver includes a camera which generates a plurality of images each recording an image capturing range including at least a part of an area irradiated with the light from the transmitter, with a predetermined image capturing period, and a processor configured to extract a feature amount representing the characteristic of the light, from each of the plurality of images, and decode the value of the symbol from a time-series change in the feature amount.