Information communication method
US9085927B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2013 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Dec 27, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/72412
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An information communication method that enables communication between various devices is an information communication method of obtaining information from a subject, and includes: setting an exposure time of an image sensor; obtaining a bright line image which is an image including a plurality of bright lines, by capturing the subject changing in luminance by the image sensor with the set exposure time; obtaining transmission information by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image; and causing an opening and closing drive device of a door to open the door, by transmitting a control signal after the transmission information is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.