# US 10,319,337 B2 · Information processing device and display control method for calculating data transfer rates > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,319,337 B2 - Document ID: US10319337B2 - Status: Granted - Kind: B2 - Application number: 15/840,093 - Filed: 2017-12-13 - Published: 2018-04-12 - Granted: 2019-06-11 - Earliest claimed: 2015-07-10 - Assignees: Fujitsu Client Computing Limited - Applicants: Fujitsu Client Computing Limited - Inventors: Noriyuki Aoki - Web page: https://patentgrep.com/patent/US10319337B2 ## CPC - G09G 5/006: {Details of the interface to the display terminal (specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04)} - G06F 3/1423: {controlling a plurality of local displays, e.g. CRT and flat panel display} - G06F 3/1431: {using a single graphics controller} - G06F 3/14: Digital output to display device {; Cooperation and interconnection of the display device with other functional units} - G09G 2320/0606: Manual adjustment - G09G 2340/0407: Resolution change, inclusive of the use of different resolutions for different screen areas - G09G 2350/00: Solving problems of bandwidth in display systems - G09G 2352/00: Parallel handling of streams of display data - G09G 2354/00: Aspects of interface with display user - G09G 2360/04: Display device controller operating with a plurality of display units - G09G 2370/045: using multiple communication channels, e.g. parallel and serial - G09G 2370/10: Use of a protocol of communication by packets in interfaces along the display data pipeline - G09G 2370/22: Detection of presence or absence of input display information or of connection or disconnection of a corresponding information source - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract An information processing device capable of connecting to a display device using a function expansion unit includes a memory and a processor coupled to the memory. The processor is configured to: calculate a data transfer rate of the display device from a resolution to be used in the display device; and display, based on a data transfer rate at a given resolution calculated by the calculation unit, a ratio of the data transfer rate of the display device to an allowable data transfer rate, so as to be visibly recognized. ## Claims ### Claim 1 An information processing device configured to connect to a plurality of display devices using a function expansion unit comprising: a memory storing a program code and a conversion table maintaining resolutions of a display device associated with respective data transfer rates used by the display device; and a processor coupled to the memory configured to execute the program code to implement a process including: acquiring connection information of the plurality of display devices by snooping signals communicating between the information processing device and each of the plurality of display devices; identifying the number of the display devices connected to the function expansion unit and displayable resolutions of each of the display devices, based on the connection information; receiving each resolution to be used in a corresponding one of the plurality of display devices from a user; calculating a sum of data transfer rates to be used by the plurality of display devices from the resolutions received from the user, by using the conversion table; displaying a graph representing the sum of the data transfer rates to be used by the plurality of display devices and an unused data transfer rate; and displaying graphs representing ratios of the data transfer rates to be used by the identified display devices to respective allowable data transfer rates. ### Claim 2 (depends on 1) The information processing device according to claim 1, wherein, in calculating each of the data transfer rates, a refresh rate to be used in the corresponding one of the plurality of display devices is used in addition to a corresponding one of the resolutions. ### Claim 3 A non-transitory computer-readable storage medium having stored therein a program for causing a processor of an information processing device to execute a display controlling process of a plurality of display devices connected to the information processing device using a function expansion unit, the information processing device including a conversion table maintaining resolutions of a display device associated with respective data transfer rates used by the display device, the display controlling process comprising: acquiring connection information of the plurality of display devices by snooping signals communicating between the information processing device and each of the plurality of display devices; identifying the number of the display devices connected to the function expansion unit and displayable resolutions of each of the display devices, based on the connection information; receiving each resolution to be used in a corresponding one of the plurality of display devices from a user; calculating a sum of data transfer rates to be used by the plurality of display devices from the resolutions received from the user, by using the conversion table; displaying a graph representing the sum of the data transfer rates to be used by the plurality of display devices and an unused data transfer rate; and displaying graphs representing ratios of the data transfer rates to be used by the identified display devices to respective allowable data transfer rates. ### Claim 4 (depends on 3) The non-transitory computer-readable storage medium according to claim 3, wherein, in calculating each of the data transfer rates, a refresh rate to be used in the corresponding one of the plurality of display devices is used in addition to a corresponding one of the resolutions. ### Claim 5 A display control method of a plurality of display devices connected to an information processing device using a function expansion unit, the information processing device including a conversion table maintaining resolutions of a display device associated with respective data transfer rates used by the display device, the display controlling method comprising: acquiring connection information of the plurality of display devices by snooping signals communicating between the information processing device and each of the plurality of display devices; identifying the number of the display devices connected to the function expansion unit and displayable resolutions of each of the display devices, based on the connection information; receiving each resolution to be used in a corresponding one of the plurality of display devices from a user; calculating a sum of data transfer rates to be used by the plurality of display devices from the resolutions received from the user, by using the conversion table; displaying a graph representing the sum of the data transfer rates to be used by the plurality of display devices and an unused data transfer rate; and displaying graphs representing ratios of the data transfer rates to be used by the identified display devices to respective allowable data transfer rates. ### Claim 6 (depends on 5) The display control method according to claim 5, wherein, in calculating each of the data transfer rates, a refresh rate to be used in the corresponding one of the plurality of display devices is used in addition to a corresponding one of the resolutions.