US Patent No. 10,172,173

INFORMATION PROCESSING SYSTEM AND DISPLAY DEVICE


Patent No. 10,172,173
Issue Date January 01, 2019
Title Information Processing System And Display Device
Inventorship Kenichiro Tomita, Matsumoto (JP)
Assignee Seiko Epson Corporation, Tokyo (JP)

Claim of US Patent No. 10,172,173

1. An information processing system comprising:a display device;
a first information processing device; and
a first wireless tag which is provided separately from the display device and the first information processing device,
the display device comprising:
a first wireless communication unit which performs wireless communication in a first format with an external device;
a storage unit which stores connection information used in the wireless communication in the first format;
a display unit which displays an image received via the first wireless communication unit from the external device;
a second wireless tag in which electricity is generated by an electromagnetic wave output according to a second format and which outputs the connection information stored in the storage unit according to the second format when the electricity is generated therein; and
a change unit which updates the connection information stored in the storage unit,
the first information processing device comprising:
a wireless reader/writer which performs wireless communication in the second format in order to read information from or write information in the first wireless tag and the second wireless tag;
an acquisition unit which acquires the connection information output from the second wireless tag; and
a writing unit which outputs, to the wireless reader/writer, a signal for writing the connection information acquired by the acquisition unit,
wherein, when the acquisition unit acquires updated connection information from the second wireless tag, the wireless reader/writer overwrites the connection information stored in the first wireless tag with the updated connection information.