INFORMATION DISPLAY SYSTEM, INFORMATION DISPLAY CONTROL DEVICE, AND INFORMATION DISPLAY DEVICE
An information display system includes an information providing device 101 which has a remote UI server portion 103 and a remote frame buffer server portion c 104, an information display device A 111 which has a remote UI player portion a 113, a remote frame buffer player portion a 114, a display part a 116 and a remote frame buffer server portion a 117, an information display device B 121 which has a remote frame buffer player portion b 124 and a display part b 126 and a display controller 131.
1 . An information display system mounted on a vehicle, the information display system comprising:
a first information display device that is connected to an information providing device having a server portion which transmits a script describing display parts for realizing a user interface corresponding to functions of the device of its own or a display image of the user interface, and that includes a player portion which displays a display image formed by processing the script or the display image transmitted by the information providing device and a server portion which transmits the display image;
a second information display device that includes a player portion which displays the display image transmitted by the information providing device or the first information display device; and
an information display control device that controls the information providing device, the first information display device, and the second information display device,
wherein the information display control device includes a control portion which changes connections of the server portions and the player portions between the devices respectively in accordance with using states of the server portions and the player portions respectively provided in the information providing device, the first information display device, and the second information display device.
2 . The information display system according to claim 1 , wherein the information display control device includes a storing portion that stores information of the using states of the server portions and the player portions;
wherein the control portion refers to the information of the using states and instructs for connecting the server portion of the information providing device to the player portion of the first information display device or the player portion of the second information display device in accordance with the using states of the server portions and the player portions of protocols being usable respectively in the information providing device, the first information display device, and the second information display device.
3 . An information display control device which controls a connection between an information providing device and an information display device in an information display system mounted on a vehicle, the information display control device comprising:
a storing portion that stores information of using a state of a server portion provided in the information providing device or the information display device to transmit a script describing display parts for realizing a user interface corresponding to functions of the device or a display image of the user interface and information of using states of player portions provided in the information display device to display a display image formed by processing the script or the display image; and
a control portion that refers to the information of the using states and instructs for connecting the server portion of the information providing device to the player portion of the information display device in accordance with the using states of the server portion and the player portions of protocols being usable respectively in the information providing device and the information display device.
4 . The information display control device according to claim 3 , wherein the storing portion stores the information of the using states of the server portions of the information providing device, the player portion and the server portion of a first information display device and the player portion of a second information display device in the information display device; and
wherein when there are no server portion and player portion of protocols being directly usable respectively and directly connected together in the server portions of the information providing device and the player portion of the second information display device, the control portion instructs a connection through the player portion and the server portion of the first information display device.
5 . An information display device which displays information provided from an information providing device in an information display system mounted on a vehicle, the information display device comprising:
a player portion that includes at least one of a user interface player portion which displays a display image formed by processing a script describing display parts for realizing a user interface corresponding to functions of the information providing device and a frame buffer player portion which displays a display image of the user interface, as a player portion which displays the display image of the information transmitted by the information providing device;
a server portion that includes at least one of a user interface server portion which transmits the display image formed by processing the script and a frame buffer server portion which transmits the display image of the user interface, as a server portion which transmits the display image; and
a communication portion that changes connections of the player portion and the server portion, the information providing device and other information display device in response to an instruction from an information display control device to make a communication.