Programmable display device, portable terminal device, data processing method, and program

A programmable display device, comprising:

• an estimate unit configured to estimate a direction of a sightline using image data obtained by capturing an image of a person;
• a display control unit configured to display a designated screen from a plurality of predetermined screens on a display;
• a measurement unit configured to measure a time period for which the sightline is directed to the designated screen when the sightline is determined to be directed to the designated screen through the estimation;
• and
• a storage unit configured to store screen identification information identifying the designated screen and time information indicating the measured time period in association with each other, wherein
• the display control unit is configured to display an image associated in advance with the designated screen on the display when the time period for which the sightline is directed the designated screen is not less than a first reference time period.

A portable terminal device for obtaining, from a programmable logic controller via a repeater, data that the programmable logic controller has obtained from a control target device, the portable terminal device comprising:

• an estimate unit configured to estimate a direction of a sightline using image data obtained by capturing an image of a person, wherein the image data is obtained from the programmable logic controller via the repeater;
• a display control unit configured to display a screen including an object on a display;
• a measurement unit configured to measure a time period for which the sightline is directed to the object when the sightline is determined to be directed to the object through the estimation;
• and
• a storage unit configured to store identification information identifying the object and time information indicating the measured time period in association with each other.

A portable terminal device wirelessly connectable to a programmable logic controller in a communicable manner, and configured to display data obtained from the programmable logic controller, the portable terminal device comprising:

• an estimate unit configured to estimate a direction of a sightline using image data obtained by capturing an image of a person, wherein the image data is obtained from the programmable logic controller via a wireless link;
• a display control unit configured to display a screen including an object on a display;
• a measurement unit configured to measure a time period for which the sightline is directed to the object when the sightline is determined to be directed to the object through the estimation;
• and
• a storage unit configured to store identification information identifying the object and time information indicating the measured time period in association with each other.

A data processing method implementable by a programmable display device, the method comprising:

• allowing a processor included in the programmable display device to estimate a direction of a sightline using image data obtained by capturing an image of a person;
• allowing the processor to display a screen including an object on a display;
• allowing the processor to measure a time period for which the sightline is directed to the object when the sightline is determined to be directed to the object through the estimation;
• allowing the processor to store, in a memory, identification information identifying the object and time information indicating the measured time period in association with each other;
• and
• allowing the processor to display an image associated in advance with the object on the display when the time period for which the sightline is directed to the object is not less than a reference time period.

A non-transitory computer-readable medium storing a program for controlling a programmable display device, the program causing a processor included in the programmable display device to perform operations comprising:

• estimating a direction of a sightline using image data obtained by capturing an image of a person;
• displaying a screen including an object on a display;
• measuring a time period for which the sightline is directed to the object when the sightline is determined to be directed to the object through the estimation;
• storing, in a memory, identification information identifying the object and time information indicating the measured time period in association with each other;
• and
• displaying an image associated in advance with the object on the display when the time period for which the sightline is directed to the object is not less than a reference time period.