Japan, July 14 -- HITACHI KOKUSAI ELECTRIC INC has got intellectual property rights for 'COMMUNICATION SYSTEM.' Other related details are as follows:

Application Number: JP,2022-115594

Category (FI): H04H60/23,H04H20/18,H04L7/00,330,H04N21/238,H04N21/24,H04N21/262

Stage: PROBLEM TO BE SOLVED: To provide a communication system capable of setting a broadcast start time that reflects network fluctuations and performing broadcasting with improved security.SOLUTION: In a communication system, a plurality of wireless devices 3 each request server information including information about delay and information indicating line status from a broadcasting control server 1, with time information attached. Upon receiving the request, the broadcasting control server 1 calculates and totals a network delay time from the difference between the time information included in the request and a reception time of the request, generates information about delay based on totaled results, transmits the server information including the information about delay and the line status according to the type of line to each wireless device 3, adjusts a broadcast start time based on the maximum delay time of the plurality of wireless devices, and changes a broadcast data distribution method according to the line status.SELECTED DRAWING: Figure 6 (Grant)

Filing Date: July 20, 2022

Publication Date: Feb. 1, 2024

The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100

Disclaimer: Curated by HT Syndication.