Abstract: A display system includes a host apparatus having a video interface circuit and a display apparatus operated by feed of a video image and power from the host apparatus, and also has a communication function for receiving and transmitting data between the host apparatus and the display apparatus. In the display system, the display apparatus transmits power consumption data thereof stored in an EEPROM to the host apparatus and processes the power consumption data thereof which is received by the host apparatus, thus controlling power of the display system including the host apparatus and the display apparatus.

Abstract: A table type display device, in which a high resolution display with an unremarkable connection is realized at the time of large screen display by using a screen with a composition having few bending is described. In a table type display device comprising plural M of projectors 1L, 1R for projecting luminous flux to form an image, plural N of reflection mirrors 2L, 2R for bending optical paths of luminous fluxes projected from respective plural M of projectors 1L, 1R, screen 3 of horizontal installation type for projecting luminous fluxes for which optical path is bent, by the plurality N of reflection mirrors 2L,2R onto the predetermined region, respectively, the screen comprises a transparent base member 7 for reducing flexure of the screen, optical sheet 9 substantially for making luminous fluxes projected respectively from the plural M of projectors 1L,1R uniform, and a diffusing screen for imaging the image.

Abstract: A table type display device capable of selecting the best projector according to user's budget and mode is provided for with easy exchange of the projector. The table type display device comprises four projectors 1LU, 1LL, 1RU, and 1RL for projecting luminous flux to form image, reflection mirrors 2U and 2L for bending an optical path of luminance flux projected from each of these projectors, and a screen 3 of horizontal installation type for projecting luminous flux with its optical path being bent by reflection mirrors 2U and 2L, onto predetermined regions respectively. The screen housing portion 4b of the main body unit 4 accommodates the screen 3, the reflection mirrors 2U and 2L, and the light shading plates 6LU, 6LL, 6RU, and 6RL, and the projector unit housing portion 4a of the main body unit 4 accommodates projectors 1LU, 1LL, 1RU, and 1RL housed by the projector unit 5.

Abstract: An image transforming device wherein one input image or a plurality of input images captured or created under different condition are geometrically transformed to create an output image, including: an input geometrical profile calculating section to calculate an input geometrical profile directing to a coordinate relation between pixel positions of the input image and polar coordinate positions of the input image in view of a given observing position; an output geometrical profile calculating section to calculate an output geometrical profile directing to a coordinate relation between pixel positions of the output image and polar coordinate positions of the output image in view of the observing position; and geometrical transforming section to geometrically transform the input image on the input geometrical profile and the output geometrical profile, thereby calculating the output image.

Abstract: A multiple-screen display and a method of controlling the same capable of controlling the image display device automatically and promptly, without being not influenced by the installation site, and capable of dealing also with the modification of a combination of image display devices easily, are provided.

Abstract: A table type display device capable of selecting the best projector according to user's budget and mode is provided for with easy exchange of the projector.

Abstract: A table type display device, in which a high resolution display with an unremarkable connection is realized at the time of large screen display by using a screen with a composition having few bending is described. In a table type display device comprising plural M of projectors 1L, 1R for projecting luminous flux to form an image, plural N of reflection mirrors 2L, 2R for bending optical paths of luminous fluxes projected from respective plural M of projectors 1L, 1R, screen 3 of horizontal installation type for projecting luminous fluxes for which optical path is bent, by the plurality N of reflection mirrors 2L,2R onto the predetermined region, respectively, the screen comprises a transparent base member 7 for reducing flexure of the screen, optical sheet 9 substantially for making luminous fluxes projected respectively from the plural M of projectors 1L,1R uniform, and a diffusing screen for imaging the image.

Abstract: The pixel number of an image display is increased through the optical shift of the positions of the pixels of the image display, that is, pixel shift. Therefore, a high resolution image can be observed using a low cost image display with a relatively few pixel number.

Abstract: A head mounted display system connects a portable information terminal and a head mounted display device to each other through a PC card. To the PC card is provided a second connector for supplying power and a signal from the outside which are different from power and a signal from an internal bus of the PC card, separately from a first connector of the PC card, and power and a signal to the head mounted display device are collectively supplied by a main cable connected to the first connector.

Abstract: A display system includes a host apparatus having a video interface circuit and a display apparatus operated by feed of a video image and power from the host apparatus, and also has a communication function for receiving and transmitting data between the host apparatus and the display apparatus. In the display system, the display apparatus transmits power consumption data thereof stored in an EEPROM to the host apparatus and processes the power consumption data thereof which is received by the host apparatus, thus controlling power of the display system including the host apparatus and the display apparatus.