Patent ID: 11863369
Assignee: SONY GROUP CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A network control method comprising:
by a network connection device,
sending, to a data processing device prior to original data, event data indicating a change amount at a predetermined time point of sensor data that is the original data generated by a sensor device, and sending the original data to the data processing device on a basis of a request from the data processing device for the original data, wherein
the event data includes at least observation data identification information for identifying observation target data to be notified as the event data, a reference address of the original data, and an event type,
the event type is either Update including data of the change amount, or Notify that does not include data of the change amount and notifies only of a fact that there has been a change, and
the reference address of the original data is a reference address of the original data before a change amount at the predetermined time point is applied in a case where the event type is the Update, and is a reference address of the original data after a change amount at the predetermined time point is applied in a case where the event type is the Notify.