US 12,408,221 B2
Communication system, communication device, server and access method
Hiromi Torikura, Shizuoka (JP); Kiyotaka Hori, Shizuoka (JP); Takuma Yamashita, Shizuoka (JP); and Ichiro Yazawa, Shizuoka (JP)
Assigned to Roland Corporation, Shizuoka (JP)
Filed by Roland Corporation, Shizuoka (JP)
Filed on Oct. 6, 2022, as Appl. No. 17/961,547.
Claims priority of application No. 2021-165931 (JP), filed on Oct. 8, 2021; application No. 2021-206387 (JP), filed on Dec. 20, 2021; application No. 2021-206390 (JP), filed on Dec. 20, 2021; application No. 2021-206391 (JP), filed on Dec. 20, 2021; and application No. 2021-206395 (JP), filed on Dec. 20, 2021.
Prior Publication US 2023/0109716 A1, Apr. 13, 2023
Int. Cl. H04W 76/15 (2018.01); G10H 1/00 (2006.01); H04L 9/40 (2022.01); H04L 67/02 (2022.01); H04W 12/06 (2021.01); H04W 12/08 (2021.01); H04W 12/71 (2021.01); H04W 52/02 (2009.01); H04W 76/10 (2018.01); H04W 84/12 (2009.01)
CPC H04W 76/15 (2018.02) [G10H 1/0083 (2013.01); H04L 63/083 (2013.01); H04L 63/0892 (2013.01); H04L 67/02 (2013.01); H04W 12/068 (2021.01); H04W 12/08 (2013.01); H04W 12/71 (2021.01); H04W 52/0229 (2013.01); H04W 52/0254 (2013.01); H04W 76/10 (2018.02); H04W 84/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A communication system, comprising:
a communication device;
an electronic musical instrument to which the communication device is connected; and
a server configured to be able to communicate with the communication device and storing data utilized by the electronic musical instrument, wherein
the communication device comprises:
an authorization information request part, transmitting to the server a request for authorization information for accessing the server together with a device identifier being an identifier set for each of the communication device;
an authorization information reception part, receiving from the server the authorization information according to the request transmitted by the authorization information request part;
a first data request information reception part, receiving from the electronic musical instrument data request information that requests predetermined data to the server;
a data request information transmission part, transmitting to the server the data request information received by the first data request information reception part by using the authorization information received by the authorization information reception part;
a data reception part, receiving from the server data according to the data request information transmitted by the data request information transmission part; and
a first data transmission part, transmitting to the electronic musical instrument the data received by the data reception part, and
the server comprises:
an identifier storage part, storing the device identifier in association with a user identifier being an identifier for each user who uses the communication device corresponding to the device identifier in response to the user logging in to the server and registering the device identifier with the server;
an authorization information request reception part, receiving from the communication device the request for the authorization information together with the device identifier of the communication device;
an authorization information creation part, acquiring from the identifier storage part the user identifier corresponding to the device identifier received by the authorization information request reception part, and creating the authorization information according to a user corresponding to the acquired user identifier;
a first authorization information transmission part, transmitting the authorization information created by the authorization information creation part to the communication device;
a second data request information reception part, receiving the data request information from the communication device; and
a second data transmission part, transmitting to the communication device the data according to the data request information received by the second data request information reception part.