# US 12,120,362 B2 · Live stream viewable while sending and receiving text in group and among groups > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,362 B2 - Document ID: US12120362B2 - Status: Granted - Kind: B2 - Application number: 17/921,841 - Filed: 2022-05-26 - Published: 2024-07-18 - Granted: 2024-10-15 - Earliest claimed: 2022-05-26 - Assignees: Rakuten Group, Inc. - Applicants: Rakuten Group, Inc. - Inventors: Ko Kikuchi - Web page: https://patentgrep.com/patent/US12120362B2 ## CPC - H04N 21/2187: Live feed - H04L 51/046: Interoperability with other network applications or services - H04L 51/212: using filtering or selective blocking - H04L 51/214: using selective forwarding - H04N 21/2542: {for selling goods, e.g. TV shopping (payment schemes, payment architectures or payment protocols for electronic shopping systems G06Q20/12)} - H04N 21/25891: {being end-user preferences (retrieval of video data in a video database based on user preferences G06F16/739; arrangements for recognizing users' preferences H04H60/46; user profiles in network data switching protocols H04L67/306; processing of user preferences or user profiles in wireless networks H04W8/18)} - H04N 21/4788: communicating with other users, e.g. chatting {(arrangements for providing for computer conferences, e.g. chat rooms, to substation in data switching networks H04L12/1813; distributed application using peer-to-peer [P2P] networks H04L67/104)} - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A streamer terminal (102) makes (122), upon receiving text, the text appear in a screen, determines (123) whether a streamer pays attention to the text, until the text exits from the screen, and executes (124) a predetermined attention process on text-of-attention that the streamer is determined to pay attention to. Each terminal (103) of viewer terminals classified into any one of groups transmits (132) text accepted from a viewer using each terminal to the streamer terminal (102) and another viewing terminals (103) belonging to an identical group, receives (133) text transmitted from another viewer terminal belonging to the identical group, and makes (134) the text appear in a screen. The streamer terminal (102) transmits (124) the text-of-attention to viewer terminals (103) classified in another group, and each terminal of the viewer terminals (103), upon receiving the text-of-attention, makes the text-of-attention appear in the screen. ## Claims ### Claim 1 A delivery system, comprising: a plurality of viewer terminals to which live video is delivered, the plurality of viewer terminals each comprising one or more processors, and a streamer terminal comprising one or more processors and used by a streamer that delivers the live video, wherein at least one of the one or more processors included in the streamer terminal executes: a delivery-side reception process of receiving, from the viewer terminal, text posted from a viewer using the viewer terminal; a delivery-side display process of making, when the text is received, the text appear in a screen; a determination process of determining whether the streamer pays attention to the text, until the text exits from within the screen; and an execution process of executing a predetermined attention process on text-of-attention that the streamer is determined to pay attention to, the viewer terminals are classified into any one of a plurality of groups, at least one of the one or more processors included in each viewer terminal executes: an acceptance process of accepting text posted from a viewer using the each terminal; a viewing-side transmission process of transmitting the accepted text to the streamer terminal and another viewing terminals belonging to a group into which the each terminal is classified; a viewing-side reception process of receiving text transmitted from another viewer terminal belonging to the group into which the each terminal is classified; and a viewing-side display process of making the received text appear in a screen, in the attention process of the streamer terminal, the text-of-attention is transmitted to viewer terminals that are classified in a group other than the group into which the viewer terminal, from which the text-of-attention is transmitted, is classified, and when the text-of-attention is received in each terminal of the viewer terminals, the received text-of-attention is made to appear in the screen. ### Claim 2 (depends on 1) The delivery system according to claim 1, further comprising: a delivery server comprising one or more processors and cooperating with the streamer terminal, wherein at least one of the one or more processors included in the delivery server executes: a server-side reception process of receiving, from the viewer terminal, text posted from the viewer using the viewer terminal; and a server-side transmission process of transmitting, when the text is received, the text to the streamer terminal and another viewer terminals belonging to a group into which the viewer terminal, from which the text is transmitted, is classified, in the attention process of the streamer terminal, the text-of-attention is further transmitted to the delivery server, in the server-side reception process of the delivery server, the text-of-attention is further received, in the server-side transmission process, the text-of-attention is further transmitted to viewer terminals that are classified in a group other than the group into which the viewer terminal, from which the text-of-attention is transmitted, is classified, in the viewing-side reception process of each terminal of the viewer terminals, the text-of-attention transmitted from the delivery server is further received, and in the viewing-side display process, the received text-of-attention is further made to appear in the screen. ### Claim 3 (depends on 1) The delivery system according to claim 1, further comprising: a delivery server comprising one or more processors and cooperating with the streamer terminal, wherein by at least one of the one or more processors included in the delivery server, the delivery server executes: a server-side reception process of receiving, from the viewer terminal, text posted from the viewer using the viewer terminal; and a server-side transmission process of transmitting, when the text is received, the text to the streamer terminal and another viewer terminals belonging to a group into which the viewer terminal, from which the text is transmitted, is classified, in the attention process of the streamer terminal, the text-of-attention is further transmitted to the delivery server, in the server-side reception process of the delivery server, the text-of-attention is further received, in the server-side transmission process, the text-of-attention is further transmitted to all viewer terminals that are classified in any one of the groups, in the viewing-side reception process of each terminal of the viewer terminals, the text-of-attention transmitted from the delivery server is further received, and in the viewing-side display process, the text-of-attention is further made to appear in the screen, when the text-of-attention does not appear in the screen before a time point when the text-of-attention is received. ### Claim 4 (depends on 1) The delivery system according to claim 1, further comprising: a delivery server comprising one or more processors and cooperating with the streamer terminal, wherein at least one of the one or more processors included in each of the viewer terminals further executes a viewing request transmission process of transmitting, to the delivery server, a viewing request that designates the live video that is delivered by the streamer terminal, and at least one of the one or more processors included in the delivery server further executes a group specifying process of specifying, upon receiving the viewing request from the viewer terminal, a group to which the viewer terminal is to belong, among a plurality of groups. ### Claim 5 (depends on 4) The delivery system according to claim 4, wherein at least one of the one or more processors included in the delivery server further executes a user registration process of registering register information relating to the viewer using the viewer terminal, and in the group specifying process, the group to which the viewer terminal used by the viewer is to belong is specified based on the register information registered in the user registration process. ### Claim 6 (depends on 5) The delivery system according to claim 5, wherein the register information registered in the user registration process includes a purchase history of goods or services purchased by the viewer in a past, and in the group specifying process, the group to which the viewer terminal used by the viewer is to belong is specified based on the purchase history included in the register information. ### Claim 7 (depends on 6) The delivery system according to claim 6, wherein at least one of the one or more processors included in the delivery server further executes a willingness-to-buy determination process of determining whether a willingness-to-buy of goods or services by the viewer is high, based on the purchase history, and in the group specifying process, the group to which the viewer terminal used by the viewer is to belong is specified based on the willingness-to-buy of the viewer determined in the willingness-to-buy determination process. ### Claim 8 (depends on 5) The delivery system according to claim 5, wherein the register information registered in the user registration process includes a viewing history of motion video by the viewer, and in the group specifying process, the group to which the viewer terminal used by the viewer is to belong is specified based on the viewing history included in the register information. ### Claim 9 (depends on 5) The delivery system according to claim 5, wherein the register information registered in the user registration process includes a domicile of the viewer, and in the group specifying process, the group to which the viewer terminal used by the viewer is to belong is specified based on the domicile of the viewer included in the register information. ### Claim 10 (depends on 1) The delivery system according to claim 1, wherein at least one of the one or more processors included in the streamer terminal further executes an operation acceptance process of accepting an operation by the streamer using the streamer terminal, and in the determination process, whether the streamer pays attention to the text is determined based on the operation by the streamer accepted in the operation acceptance process. ### Claim 11 (depends on 10) The delivery system according to claim 10, wherein in the operation acceptance process, a pressing operation on the text that is made to appear in the delivery-side display process is accepted, and in the determination process, that the streamer pays attention to the text is determined when the pressing operation on the text is accepted in the operation acceptance process. ### Claim 12 (depends on 10) The delivery system according to claim 10, wherein in the operation acceptance process, a result of speech recognition of a speech of the streamer is compared with each text appearing in the screen by the delivery-side display process, and when the result and each text are coincident or similar, that the streamer pays attention to the coincident or similar text is determined. ### Claim 13 A delivery method in a delivery system including a plurality of viewer terminals to which live video is delivered, and a streamer terminal used by a streamer that delivers the live video, the delivery method comprising: by the streamer terminal, receiving, from the viewer terminal, text posted from a viewer using the viewer terminal; making, when the text is received, the text appear in a screen; determining whether the streamer pays attention to the text, until the text exits from within the screen; and executing a predetermined attention process on text-of-attention that the streamer is determined to pay attention to, by each of the viewer terminals classified into any one of a plurality of groups, accepting text posted from a viewer using the each terminal; transmitting the accepted text to the streamer terminal and another viewing terminals belonging to a group into which the each terminal is classified; receiving text transmitted from another viewer terminal belonging to the group into which the each terminal is classified; and making the received text appear in a screen, by the streamer terminal, transmitting, in the attention process, the text-of-attention to viewer terminals that are classified in a group other than the group into which the viewer terminal, from which the text-of-attention is transmitted, is classified, and by each of the viewer terminals, making, when the text-of-attention is received, the received text-of-attention appear in the screen. ### Claim 14 A delivery server communicably connected to a plurality of viewer terminals classified in any one of a plurality of groups, and to a streamer terminal used by a streamer that delivers live video, the live video being delivered to the viewer terminals, the delivery server comprising one or more processors, wherein at least one of the one or more processors executes: a process of receiving, from the viewer terminal, text posted from a viewer using the viewer terminal; a process of transmitting, when the text is received, the text to the streamer terminal and another viewer terminals belonging to a group into which the viewer terminal, from which the text is transmitted, is classified; a process of receiving, from the streamer terminal, text-of-attention that the streamer is determined to pay attention to; and a process of transmitting the text-of-attention to viewer terminals that are classified in a group other than the group into which the viewer terminal, from which the text-of-attention is transmitted, is classified.