# US 8,786,660 B2 · Video call method and system thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,786,660 B2 - Document ID: US8786660B2 - Status: Granted - Kind: B2 - Application number: 13/050,204 - Filed: 2011-03-17 - Published: 2012-06-21 - Granted: 2014-07-22 - Earliest claimed: 2010-12-20 - Assignees: Raycomm Technologies, Inc. - Applicants: Chungnan Lyu - Inventors: Chungnan Lyu - Web page: https://patentgrep.com/patent/US8786660B2 ## CPC - H04N 7/147: {Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals (selecting H04Q)} - H04L 65/1069: Session establishment or de-establishment - H04L 65/80: Responding to QoS - H04M 3/567: {Multimedia conference systems} - H04M 7/006: {Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer (H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42)} - H04W 88/04: adapted for relaying to or from another terminal or user - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A video call method is disclosed herein and includes the following steps. The step of installing a high definition video call router (HDVCR) program in at least two mobile devices; the step of activating the HDVCR program in one of the mobile devices to start a video call; the step of connecting the at least two mobile devices; the step of enabling at least two routers by the HDVCR program to search for each other over Internet; the step of transmitting a plurality of video streams between the at least two routers; and the step of sending a plurality of high definition video images respectively to at least two displays from the at least two routers. ## Claims ### Claim 1 A video call method, comprising: installing a high definition video call router (HDVCR) program in at least two mobile devices; activating the HDVCR program in one of the mobile devices to start a video call; connecting the at least two mobile devices; enabling at least two WIFI routers by the HDVCR program to search for each other over Internet; decoding a plurality of video streams by the at least two WIFI routers with high definition video encoder/decoder engine; transmitting the plurality of video streams between the at least two WIFI routers; and sending a plurality of high definition video images respectively to at least two displays from the at least two WIFI routers. ### Claim 2 (depends on 1) The video call method of claim 1, wherein a plurality of audio streams are communicated between the at least two mobile devices. ### Claim 3 (depends on 1) The video call method of claim 1, wherein the installing step includes setting up WIFI connection between the at least two WIFI routers and the at least two mobile devices. ### Claim 4 (depends on 1) The video call method of claim 1, wherein the plurality of high definition images are sent to the at least two displays from the at least two WIFI routers via wire or wireless. ### Claim 5 (depends on 1) The video call method of claim 1, wherein the HDVCR program is a widget displayed on each of the al least two mobile devices and configured to switch on and off a video conference function. ### Claim 6 (depends on 1) The video call method of claim 1 further comprising automatically or manually adjusting a resolution/frame rate on the at least two displays in accordance with Internet connection bandwidth. ### Claim 7 A video call system, comprising: a high definition video call router (HDVCR) program installed in at least two mobile devices and configured to start a video call; at least two routers, one of the at least two routers is activated by the HDVCR program to communicate with the another router over Internet, wherein the at least two routers are WIFI routers with high definition video encoder/decoder engine; and at least two displays, each of the displays is connected to one of the router via wire or wireless; wherein a plurality of audio streams are transmitted between the at least two mobile devices, and a plurality of video streams are transmitted between the at least two routers and displayed on the at least two displays. ### Claim 8 (depends on 7) The video call system of claim 7, wherein a resolution/frame rate of the video call in each one of the displays is adjustable. ### Claim 9 (depends on 7) The video call system of claim 7, wherein the at least two mobile devices are smart phones, capable of Internet capabilities through WIFI connection via the at least two WIFI routers. ### Claim 10 (depends on 7) The video call system of claim 7, wherein the at least two mobile devices are smart phones. ### Claim 11 (depends on 7) The video call system of claim 7, wherein the HDVCR program is a widget displayed on the at least two mobile devices and configured to switch on and off a video conference function. ### Claim 12 (depends on 7) The video call system of claim 7, wherein the HDVCR program is a software installed in the mobile devices. ### Claim 13 (depends on 7) The video call system of claim 7, wherein the HDVCR program is a firmware embedded in the mobile devices. ### Claim 14 (depends on 7) The video call system of claim 7, wherein the mobile devices include WIFI connection.