Method, computer program, and system for measuring display light intensity of a display device

A method executed by which a measurement device connected to an optical sensor, a display device which is a tablet information terminal independent from the measurement device and configured to communicate with the measurement device via a network communication, and an information processing device configured to communication with the measurement device, wherein a predetermined Web browser on operation in the display device sequentially displays, on the display device, a plurality of different images for adjustment and the measurement device measures, at a predetermined timing, light intensity of the display device displaying each image for adjustment using the optical sensor, the method comprising:

• a step of instructing, by the measurement device and via the network communication, the information processing device to transmit, to the display device, display control information for causing the Web browser to transmit a content request to the information processing device and to display content each time the content is received;
• a step of, in response to the content request by the Web browser, instructing, by the measurement device, the information processing device to transmit, by the measurement device, to the display device, first content comprising an image for adjustment and display control information related to a next content to be displayed;
• a step of displaying the image for adjustment by the Web browser;
• a step of measuring, by the measurement device, the light intensity of the display device displaying the image for adjustment using the optical sensor;
• and
• a changing step of causing, by the measurement device, the information processing device to change content to be transmitted, so as to correspond to display control information in accordance with the timing when the optical sensor performs a measurement,
• wherein the display control information includes reload requesting information for automatic reloading by the Web browser, the reload requesting information including information on a reload interval set in accordance with measurement time required for the optical sensor to measure one image for adjustment,
• the information on the reload interval is an interval indicated by META tag in an HTML file in the content, and
• the Web browser is configured to, upon lapse of the reload interval, automatically and spontaneously according to the specification of the META tag, reload the next content to be displayed, the next content to be displayed being determined by information in the HTML file.

A non-transitory storage medium storing a computer program for causing a computer connected to an optical sensor to cause a display device to sequentially display a plurality of images for adjustment by a predetermined Web browser on operation in the display device and for causing the computer to measure light intensity of the display device displaying each image for adjustment using the optical sensor, the display device being a tablet information terminal independent from the computer and configured to communicate with the computer via a network communication, the computer program causing a computer to perform:

• a step of transmitting, to the display device, display control information for causing the Web browser to transmit, via the network communication, a content request to the computer and to display content each time the content is received;
• and
• a step of, in response to the content request by the Web browser, transmitting to the display device, first content comprising an image for adjustment and display control information related to a next content to be displayed;
• a step of changing content to be transmitted, so as to correspond to the display control information in accordance with the timing when the optical sensor performs a measurement,
• wherein the display control information includes reload requesting information for automatic reloading by the Web browser, the reload requesting information including information on a reload interval set in accordance with measurement time required for the optical sensor to measure one image for adjustment,
• the information on the reload interval is an interval indicated by META tag in an HTML file in the content, and
• the Web browser is configured to, upon lapse of the reload interval, automatically and spontaneously according to the specification of the META tag, reload the next content to be displayed, the next content to be displayed being determined by information in the HTML file.

A non-transitory storage medium storing a computer program for causing a computer connected to an optical sensor to cause a display device to sequentially display a plurality of images for adjustment by a predetermined Web browser on operation in the display device and for causing the computer to measure light intensity of the display device displaying each image for adjustment using the optical sensor, the display device being a tablet information terminal independent from the computer and configured to communicate with the computer via a network communication, the computer program causing a computer to perform:

• a step of instructing another computer to transmit, via the network communication and to the display device, display control information for causing the Web browser to transmit a content request to the other computer and to display content each time the content is received;
• a step of, in response to the content request by the Web browser, instructing the other computer to transmit, to the display device, first content comprising an image for adjustment and display control information related to a next content to be displayed;
• and
• a step of instructing the other computer to change content to be transmitted, so as to correspond to the display control information in accordance with the timing when the optical sensor performs a measurement,
• wherein the display control information includes reload requesting information for automatic reloading by the Web browser, the reload requesting information including information on a reload interval set in accordance with measurement time required for the optical sensor to measure one image for adjustment,
• the information on the reload interval is an interval indicated by META tag in an HTML file in the content, and
• the Web browser is configured to, upon lapse of the reload interval, automatically and spontaneously according to the specification of the META tag, reload the next content to be displayed, the next content to be displayed being determined by information in the HTML file.

A measurement system comprising:

• a display device having a predetermined Web browser on operation;
• and
• a display light intensity measurement device configured to cause the display device to sequentially display a plurality of images for adjustment by the Web browser, the measurement device comprising means connected to an optical sensor configured to measure, at a predetermined timing, light intensity of the display device displaying each image for adjustment, wherein
• the display device is a tablet information terminal independent from the measurement device and configured to communicate with the measurement device via a network communication,
• the measurement device comprises:
• means configured to transmit, via the network communication and to the display device, display control information for causing the Web browser to transmit a content request to the measurement device and to display content each time the content is received;
• means configured to transmit, in response to the content request by the Web browser, to the display device, first content comprising an image for adjustment and display control information related to a next content to be displayed;
• and
• means configured to change content to be transmitted, so as to correspond to the display control information in accordance with the timing when the optical sensor performs a measurement, and
• the display device comprises:
• means configured to receive the content and the display control information transmitted by the measurement device;
• and
• means configured to display the received content by the Web browser on the basis of the received display control information,
• wherein the display control information includes reload requesting information for automatic reloading by the Web browser, the reload requesting information including information on a reload interval set in accordance with measurement time required for the optical sensor to measure one image for adjustment,
• the information on the reload interval is an interval indicated by META tag in an HTML file in the content, and
• the Web browser is configured to, upon lapse of the reload interval, automatically and spontaneously according to the specification of the META tag, reload the next content to be displayed, the next content to be displayed being determined by information in the HTML file.

A measurement system comprising:

• a display device having a predetermined Web browser on operation;
• a display light intensity measurement device configured to cause the display device to sequentially display a plurality of images for adjustment by the Web browser, the measurement device comprising means connected to an optical sensor configured to measure, at a predetermined timing, light intensity of the display device displaying each image for adjustment;
• and
• an information processing device configured to communicate with the measurement device and the display device, wherein
• the display device is a tablet information terminal independent from the measurement device and configured to communicate with the measurement device via a network communication,
• the measurement device comprises:
• means configured to instruct the information processing device to transmit, via the network communication and to the display device, display control information for causing the Web browser to transmit a content request to the information processing device and to display content each time the content is received;
• means configured to, in response to the content request by the Web browser, instructing the information processing device to transmit, to the display device, first content comprising an image for adjustment and display control information related to a next content to be displayed;
• and
• means configured to instruct the information processing device to change content to be transmitted, so as to correspond to the display control information in accordance with the timing when the optical sensor performs a measurement, and
• the display device comprises:
• means configured to receive the content and the display control information transmitted by the information processing device;
• and
• means configured to display the received content by the Web browser on the basis of the received display control information,
• wherein the display control information includes reload requesting information for automatic reloading by the Web browser, the reload requesting information including information on a reload interval set in accordance with measurement time required for the optical sensor to measure one image for adjustment,
• the information on the reload interval is an interval indicated by META tag in an HTML file in the content, and
• the Web browser is configured to, upon lapse of the reload interval, automatically and spontaneously according to the specification of the META tag, reload the next content to be displayed, the next content to be displayed being determined by information in the HTML file.