Communication head-up display system, communication device, mobile body, and non-transitory computer-readable medium

A communication device capable of communicating with a head-up display, the head-up display comprising a display panel configured to display a parallax image, an optical element configured to define a propagation direction of image light emitted from the parallax image, and a reflector configured to reflect the image light whose propagation direction is defined by the optical element, the reflector comprising a reflection element configured to reflect the image light and a drive device configured to change at least one of position and posture of the reflection element, the communication device comprising:

• an image capture element configured to generate a captured image obtained by capturing an image of a user;
• a controller configured to estimate eye-positions of eyes in a height direction of the user, based on the captured image and generate positional information comprising eye-positions in the height direction;
• and
• a communication unit configured to transmit the positional information to the head-up display so that the positional information is used to control the drive device, wherein
• the communication unit comprises a first communication unit configured to transmit the eye-positions estimated by the controller,
• the head-up display comprises a second communication unit configured to be able to receive the eye-positions from the first communication unit,
• the communication device further comprises a memory that stores positional information indicating the eye-positions,
• in a case where the positional information is stored in the memory when the first communication unit establishes connection with the head-up display, the first controller controls the first communication unit so as to transmit the positional information to the head-up display,
• the first communication unit comprises
• a first communication module configured to transmit identification information used to identify the communication device or a user of the communication device, to the head-up display, and
• a second communication module configured to transmit the positional information to the head-up display,
• the second communication unit comprises
• a third communication module configured to receive the identification information from the first communication module, and
• a fourth communication module configured to receive the positional information from the second communication module, and
• the first controller is configured to establish connection of the fourth communication module with the second communication module after communication between the first and third communication module is established.

A mobile body, comprising:

• a communication head-up display system comprising
• a communication device comprising a sensor, a first controller configured to estimate eye-positions of eyes of a user in at least one direction based on an output of the sensor, and a first communication unit configured to transmit the eye-positions estimated by the first controller, and
• a head-up display comprising a display panel configured to display a parallax image, an optical element configured to define a propagation direction of image light emitted from the parallax image, a reflector configured to reflect the image light whose propagation direction is defined by the optical element, and a second communication unit configured to be able to receive the eye-positions from the first communication unit, the reflector comprising a reflection element configured to reflect the image light and a drive device configured to change at least one of position and posture of the reflection element so that the image light reflected by the reflection element arrives at eye-positions;
• and
• a mounting unit configured to mount the communication device so that the communication device is movable, wherein
• the communication device further comprises a memory that stores positional information indicating the eye-positions,
• in a case where the positional information is stored in the memory when the first communication unit establishes connection with the head-up display, the first controller controls the first communication unit so as to transmit the positional information to the head-up display,
• the first communication unit comprises
• a first communication module configured to transmit identification information used to identify the communication device or a user of the communication device, to the head-up display, and
• a second communication module configured to transmit the positional information to the head-up display,
• the second communication unit comprises
• a third communication module configured to receive the identification information from the first communication module, and
• a fourth communication module configured to receive the positional information from the second communication module, and
• the first controller is configured to establish connection of the fourth communication module with the second communication module after communication between the first and third communication module is established.

A non-transitory computer-readable medium storing a program executed by a controller of a communication device comprising an image capture element, the controller, and a communication unit, the communication device being configured to communicate with a head-up display, the head-up display comprising a display panel configured to display a parallax image, an optical element configured to define a propagation direction of image light emitted from the parallax image, and a reflector configured to reflect the image light whose propagation direction is defined by the optical element, the reflector comprising a reflection element configured to reflect the image light and a drive device configured to change at least one of position and posture of the reflection element, wherein

• the communication device comprises a first communication unit configured to transmit eye-positions estimated by the controller,
• the head-up display comprises a second communication unit configured to be able to receive the eye-positions from the first communication unit,
• the communication device further comprises a memory that stores positional information indicating the eye-positions,
• in a case where the positional information is stored in the memory when the first communication unit establishes connection with the head-up display, the first controller controls the first communication unit so as to transmit the positional information to the head-up display,
• the first communication unit comprises
• a first communication module configured to transmit identification information used to identify the communication device or a user of the communication device, to the head-up display, and
• a second communication module configured to transmit the positional information to the head-up display,
• the second communication unit comprises
• a third communication module configured to receive the identification information from the first communication module, and
• a fourth communication module configured to receive the positional information from the second communication module, and
• the first controller is configured to establish connection of the fourth communication module with the second communication module after communication between the first and third communication module is established,
• the program causing the controller to control such that, based on a captured image generated by capturing an image of a user by the image capture element, eye-positions of eyes in a height direction of the user are estimated and positional information comprising the eye-positions in the height direction is generated;
• and
• to control the communication unit to transmit the positional information to the head-up display so that the positional information is used to control the drive device.