Information communication method
The method includes obtaining, using a face camera of a smart phone, identification information from a ceiling light of a facility with visible light communication, and obtaining location information of the ceiling light related to the identification information. The method also includes displaying a location related to the location information of the ceiling light on a map of the facility on a display of the smart phone. The smart phone is set on a cart in a state that the face camera is directed to a ceiling of the facility on which the ceiling light is attached, and the face camera is a CMOS sensor and the CMOS sensor is used only for the visible light communication.
1. A method, comprising:
obtaining, using a face camera of a smart phone, identification information from a ceiling light of a facility with visible light communication;
obtaining location information of the ceiling light related to the identification information; and
displaying a location related to the location information of the ceiling light on a map of the facility on a display of the smart phone,
wherein the smart phone is set on a cart in a state that the face camera is directed to a ceiling of the facility on which the ceiling light is attached, and
the face camera is a CMOS sensor and the CMOS sensor is used only for the visible light communication.
2. The method according to claim 1 , further comprising:
obtaining product information that is input by a user of the smart phone; and
displaying a route from the location related to the location information to a location of a product related to the product information.
3. The method according to claim 1 ,
wherein the facility is a supermarket or a transportation vehicle.
4. The method according to claim 1 , further comprising:
displaying a coupon of a product that is located within a predetermined area from the location related to the location information.
5. The method according to claim 1 , further comprising:
sending route information of the cart on which the smart phone is set to a server, and
obtaining a most popular route of the facility by analyzing the route information in the server.
6. A method, comprising:
obtaining a plurality of route information from a plurality of smart phones; and
obtaining a most popular route of a facility by analyzing the plurality of route information;
wherein each of the plurality of smart phones is set on a cart in a state that a face camera of each of the plurality of smart phones is directed to a ceiling of the facility,
wherein each of the plurality of smart phones obtains a plurality of location information by visible light communication with ceiling lights of the facility, and
wherein the face camera is a CMOS sensor and the CMOS sensor is used for the visible light communication.
7. The method according to claim 6 , further comprising:
sending a most popular route of the facility to a customer of the facility.
8. An apparatus, comprising:
a processor; and
a non-transitory computer-readable medium storing thereon a computer program, which when executed by the processor, causes the processor to perform operations, including
obtaining a plurality of route information from a plurality of smart phones; and
obtaining a most popular route of a facility by analyzing the plurality of route information;
wherein each of the plurality of smart phones is set on a cart in state that a face camera of each of smart phones is directed to a ceiling of the facility,
wherein each of the plurality of smart phones obtains a plurality of location information by visible light communication with ceiling lights of the facility, and
wherein the face camera is a CMOS sensor and the CMOS sensor is used for the visible light communication.