# US 2010/0165192 A1 · Method for transmitting man-machine operation picture, mobile video device thereof, and video system using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0165192 A1 - Document ID: US20100165192A1 - Status: Published application - Kind: A1 - Application number: 12/544,676 - Filed: 2009-08-20 - Published: 2010-07-01 - Earliest claimed: 2008-12-31 - Assignees: Inventec Appliances Corp. - Inventors: Yung-Ping CHENG; Huafeng Mai; Tony Tsai - Web page: https://patentgrep.com/patent/US20100165192A1 ## CPC - H04N 7/148: {Interfacing a video terminal to a particular transmission medium, e.g. ISDN} - H04N 2007/145: {Handheld terminals} - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A method for transmitting a man-machine operation picture, a mobile video device thereof, and a video system using the same are provided, which are applicable to a first mobile video device and a second mobile video device wirelessly connected to each other, and the first mobile video device includes a first screen. A display picture data is obtained from a video buffer of the first screen. The first screen displays a first picture according to the display picture data. The first mobile video device converts the display picture data into a video data compliant to a video format, and transfers the video data to the second mobile video device according to a video communication protocol. The second mobile video device displays a second picture according to the received video data, and a displaying content of the second picture substantially includes a displaying content of the first picture. ## Claims ### Claim 1 A method for transmitting a man-machine operation picture in a video system, applied to a first mobile video device and a second mobile video device wirelessly connected to each other, wherein the first mobile video device has a first screen, the method comprising: obtaining a display picture data from a video buffer of the first screen; converting the display picture data into a video data compliant to a video format; and transferring the video data to the second mobile video device according to a video communication protocol. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: displaying a first picture on a first screen according to the display picture data; and displaying a second picture on a second screen of the second mobile video device, wherein a displaying content of the second picture substantially comprises a displaying content of the first picture. ### Claim 3 (depends on 1) The method according to claim 1, wherein the step of converting the display picture data into the video data compliant to the video format by the first mobile video device further comprises: obtaining a three primary color (RGB) value of the display picture data; and converting the RGB value into the video data compliant to the video format. ### Claim 4 (depends on 3) The method according to claim 3, wherein video format is a H.263 format, an H.264 format, or a MPEG format. ### Claim 5 (depends on 3) The method according to claim 3, wherein after the step of obtaining the RGB value of the display picture data, the method further comprises converting a chromaticity of the RGB value to perform a color gray processing on the RGB value. ### Claim 6 (depends on 1) The method according to claim 1, wherein the step of converting the display picture data into a video data compliant to the video format further comprises: obtaining a RGB value of the display picture data; converting the RGB value into a YUV value; and converting the YUV value into the video data compliant to the video format based on a data compression manner. ### Claim 7 (depends on 6) The method according to claim 6, wherein video format comprises a H.263 format, a H.264 format, or a MPEG format. ### Claim 8 (depends on 6) The method according to claim 6, wherein after the step of obtaining an RGB value of the display picture data, the method further comprises converting a chromaticity of the RGB value to perform a color gray processing on the RGB value. ### Claim 9 (depends on 1) The method according to claim 1, wherein before the step of converting the display picture data into a video data compliant to the video format, the method further comprises: utilizing a shooting module of the first mobile video device to shoot an image; retrieving the image to generate a frame data; and combining the frame data with the display picture data. ### Claim 10 (depends on 9) The method according to claim 9, wherein the display picture data combined with the frame data is formed into a picture-in-picture data or a picture-on-picture data. ### Claim 11 (depends on 1) The method according to claim 1, wherein the video communication protocol is a multiplexing protocol for low bit rate multimedia communication, and the video data is converted into a binary data stream according to the multiplexing protocol for low bit rate multimedia communication and transferred to the second mobile video device. ### Claim 12 A mobile video device, capable of transmitting a man-machine operation picture, the mobile video device comprising: a first screen, comprising a video buffer, wherein the video buffer stores a display picture data; a processor, for obtaining the display picture data from the video buffer, and converting the display picture data into a video data compliant to a video format; a data composition module, for obtaining the video data provided by the processor, and converting the video data into a binary data stream according to a video communication protocol; and a wireless module, for outputting the binary data stream to at least another mobile video device. ### Claim 13 (depends on 12) The mobile video device according to claim 12, wherein the first screen displays a first picture according to the display picture data, the at least another mobile video device comprises a second screen, the at least another mobile video device recovers the obtained binary data stream into the video data, and displays a second picture by the second screen according to the video data obtained after a recovering process, and a displaying content of the second picture substantially comprises a displaying content of the first picture. ### Claim 14 (depends on 12) The mobile video device according to claim 12, wherein the processor obtains a three primary color (RGB) value of the display picture data, and converts the RGB value based on a data compression manner for obtaining the video data compliant to the video format. ### Claim 15 (depends on 14) The mobile video device according to claim 14, wherein the video format is a H.263 format, a H.264 format, or a MPEG format. ### Claim 16 (depends on 14) The mobile video device according to claim 14, wherein the processor further converts a chromaticity of the RGB value to perform a color gray processing on the RGB value. ### Claim 17 (depends on 14) The mobile video device according to claim 14, wherein the processor further converts the RGB value into a YUV value and then converts the YUV value for obtaining the video data compliant to the video format. ### Claim 18 (depends on 12) The mobile video device according to claim 12, further comprising a shooting module and a frame retrieving module, wherein the shooting module is used to shoot an image, the frame retrieving module retrieves the image to generate a frame data, and the processor combines the frame data with the display picture data. ### Claim 19 (depends on 12) The mobile video device according to claim 12, wherein the display picture data combined with the frame data is a picture-in-picture data or a picture-on-picture data. ### Claim 20 (depends on 12) The mobile video device according to claim 12, wherein the video communication protocol is a multiplexing protocol for low bit rate multimedia communication. ### Claim 21 (depends on 12) The mobile video device according to claim 12, wherein the processor partitions the video data into a plurality of partitioned data, and the data composition module converts the partitioned data into the binary data stream according to a multiplexing protocol for low bit rate multimedia communication. ### Claim 22 A video system, capable of transmitting a man-machine operation picture, comprising: a first mobile video device, comprising: a first screen, comprising a video buffer, wherein the video buffer stores a display picture data, and the first screen displays a first picture according to the display picture data; a first processor, for obtaining the display picture data periodically, and converting the display picture data into a video data compliant to a video format; a data composition module, for converting the video data into a binary data stream according to a video communication protocol; and a first wireless module, for outputting the binary data stream; and a second mobile video device, comprising: a second wireless module, for receiving the binary data stream; a data decomposition module, for converting the binary data stream into the video data according the video communication protocol; a second processor, for obtaining the display picture data carried in the video data obtained after a converting process of the data decomposition module; and a second screen, for displaying a second picture according to the display picture data obtained by the second processor, wherein the second picture substantially comprises the first picture. ### Claim 23 (depends on 22) The video system according to claim 22, wherein the first processor obtains a three primary color (RGB) value of the display picture data and converts the RGB value based on a data compression manner for obtaining the video data compliant to the video format. ### Claim 24 (depends on 23) The video system according to claim 23, wherein video format is a H.263 format, a H.264 format, or a MPEG format. ### Claim 25 (depends on 23) The video system according to claim 23, wherein the first processor further converts a chromaticity of the RGB value to perform a color gray processing on the RGB value. ### Claim 26 (depends on 23) The video system according to claim 23, wherein the first processor further converts the RGB value into a YUV value and then converts the YUV value for obtaining the video data compliant to the video format. ### Claim 27 (depends on 23) The video system according to claim 23, wherein the first mobile video device further comprises a shooting module and a frame retrieving module, the shooting module is used to shoot an image, the frame retrieving module retrieves the image to generate a frame data, and the first processor combines the frame data with the display picture data. ### Claim 28 (depends on 23) The video system according to claim 23, wherein the display picture data combined with the frame data is a picture-in-picture data or a picture-on-picture data. ### Claim 29 (depends on 23) The video system according to claim 23, wherein the first processor partitions the video data into a plurality of partitioned data, the data composition module converts the partitioned data into the binary data stream according to a multiplexing protocol for low bit rate multimedia communication, and the data decomposition module converts the binary data stream back into the video data according to the multiplexing protocol for low bit rate multimedia communication.