Wearable terminal device, program, and display method

1 . A wearable terminal device configured to be used by being worn by a user, the wearable terminal device comprising:

a display;

a communication unit; and

at least one processor,

wherein the at least one processor

causes the display to display a first instructional image located inside a space based on a first instruction received by the communication unit from a first external device of a first instructor among a plurality of instructors that displays the first instructional image located inside the space, the first instructional image being displayed on the display in a first color associated with the first instructor,

causes the display to display, with the first instructional image inside the space, a second instructional image inside the space based on a second instruction received by the communication unit from a second external device of a second instructor among the plurality of instructors that displays the second instructional image located inside the space, the second instructional image being displayed on the display in a second color associated with the second instructor, and

causes the communication unit to transmit instructional data to the second external device, the instructional data including the first instructional image in the first color, to cause the second external device to display the first instructional image in the first color and the second instructional image on the second external device.

2 . The wearable terminal device according to claim 1 ,

wherein the display includes a display member that is transparent to light, and

the at least one processor displays the first instructional image and the second instructional image on a display surface of the display member visible in the space that is visible through the display member.

3 . The wearable terminal device according to claim 1 , further comprising:

a camera configured to capture an image of the space,

wherein the at least one processor causes the display to display an image of the space captured by the camera and the first instructional image and the second instructional image superimposed on the image of the space.

4 . The wearable terminal device according to claim 1 ,

wherein the user is included in the plurality of instructors.

5 . The wearable terminal device according to claim 1 , wherein the communication unit is configured to perform speech data communication with the first external device and the second external device, and

wherein the at least one processor causes the display to display the first instructional image and the second instructional image while performing the speech data communication via the communication unit.

6 . The wearable terminal device according to claim 5 ,

wherein the at least one processor associates a different display mode of a plurality of display modes with each of the plurality of instructors participating in a voice call via the speech data communication, and

causes the display to display instructional images in display modes associated with the plurality of instructors.

7 . The wearable terminal device according to claim 6 ,

wherein the plurality of display modes associated with the plurality of instructors is determined independently of display modes of external devices of the plurality of instructors.

8 . The wearable terminal device according to claim 5 ,

wherein in the speech data communication, each of the plurality of instructors is associated with a differently colored identification sign of a plurality of identification signs, and

the at least one processor causes the display to display instructional images in colors of the plurality of identification signs associated with the plurality of instructors.

9 . The wearable terminal device according to claim 1 ,

wherein the at least one processor accepts, from an instructor among the plurality of instructors, an operation for selecting one display mode from among a plurality of display modes that can be selected and causes the display to display an instructional image in the one display mode, and

the plurality of display modes that can be selected excludes a display mode of an instructional image that is already displayed when the instructor selects the one display mode.

10 . The wearable terminal device according to claim 1 ,

wherein the at least one processor accepts, from an instructor among the plurality of instructors, an operation for selecting one display mode from among a plurality of display modes that can be selected and causes the display to display an instructional image in the one display mode, and

causes the display to display a prescribed notification display when the instructor attempts to select the one display mode of an instructional image, among instructional images, that is already displayed when the instructor selects the one display mode.

11 . The wearable terminal device according to claim 1 ,

wherein after causing the display to display an instructional image in any display mode, the at least one processor changes display modes of instructional images being displayed so that the instructional images are displayed in different display modes for each of the plurality of instructors.

12 . The wearable terminal device according to claim 1 ,

wherein the at least one processor adds different characters or symbols, for each instructor, to display instructional images based on instructions of each instructor.

13 . The wearable terminal device according to claim 12 ,

wherein the characters include a name, alias, or abbreviated name of each instructor.

14 . The wearable terminal device according to claim 12 ,

wherein the at least one processor adds the characters or symbols to display the instructional images when a distance between a position of the user in the space and a display position of an instructional image is less than or equal to a prescribed reference distance.

15 . The wearable terminal device according to claim 12 ,

wherein the at least one processor adds the characters or symbols to display of an instructional image when a prescribed operation is performed on the instructional image.

16 . The wearable terminal device according to claim 1 ,

wherein the first instructional image and the second instructional image include a document image of a prescribed format.

17 . The wearable terminal device according to claim 1 ,

wherein the first instructional image and the second instructional image include an image of a virtual object.

18 . The wearable terminal device according to claim 17 ,

wherein the virtual object is an object representing a path traced by pen input.

19 . The wearable terminal device according to claim 17 ,

wherein the virtual object is an arrow-shaped object having a specific position and a specific orientation.

20 . A non-transitory computer-readable storage medium storing a program configured to cause a computer provided in a wearable terminal device configured to be used by being worn by a user to:

cause a display to display a first instructional image located inside a space based on a first instruction received by a communication unit from a first external device of a first instructor among a plurality of instructors that displays the first instructional image located inside the space, the first instructional image being displayed on the display in a first color associated with the first instructor, cause the display to display, with the first instructional image inside the space, a second instructional image inside the space based on a second instruction received by the communication unit from a second external device of a second instructor among the plurality of instructors that displays the second instructional image located inside the space, the second instructional image being displayed on the display in a second color associated with the second instructor, and

cause the communication unit to transmit instructional data to the second external device, the instructional data including the first instructional image in the first color, to cause the second external device to display the first instructional image in the first color and the second instructional image on the second external device.

21 . A display method for use in a wearable terminal device configured to be used by being worn by a user, the display method comprising:

causing a display to display a first instructional image located inside a space based on a first instruction received by a communication unit from a first external device of a first instructor among a plurality of instructors that displays the first instructional image located inside the space, the first instructional image being displayed on the display in a first color associated with the first instructor, causing the display to display, with the first instructional image inside the space, a second instructional image inside the space based on a second instruction received by the communication unit from a second external device of a second instructor among the plurality of instructors that displays the second instructional image located inside the space, the second instructional image being displayed on the display in a second color associated with the second instructor, and

causing the communication unit to transmit instructional data to the second external device, the instructional data including the first instructional image in the first color, to cause the second external device to display the first instructional image in the first color and the second instructional image on the second external device.