Abstract: A frame structure includes a first part along a side of an enclosure shape of the frame structure, including an inner side face and a protruding portion including a side face adjacent to the inner side face, a second part attached to the first part, including a first face facing the inner side face and the side face, and a second face facing an end face of the protruding portion; an ear portion protruding along the protruding portion from the second part, into which the first face and the second face extend; a first watertight portion including adhesive applied along an outer edge of the first face on the inner side face and the side face; and a second watertight portion including adhesive applied along a boundary with the end face on the second face. The first watertight portion and the second watertight portion overlap in the ear portion.

Abstract: A display apparatus includes a display, a housing including a peripheral portion having a first side to which the display is attached, a back plate attached to s second side of the peripheral portion of the housing, and a plurality of double-sided adhesive tapes attached to the peripheral portion. Each of the plurality of double-sided adhesive tapes includes an end portion having an opening. The peripheral portion includes an adhesive-applied region applied with adhesive and a region not applied with the adhesive, and the adhesive-applied region extends from the opening in one of the plurality of double-sided adhesive tapes to the opening in the adjacent one of the plurality of double-sided adhesive tapes.

Abstract: A pen holder includes a holder to hold an electronic pen including a replaceable pen tip that contacts a screen of a display apparatus for input to the display apparatus. The pen holder further includes a pulling-out portion to pull out the pen tip, having an open end in a first direction and including a gripping portion. The gripping portion includes a first wall and a second to grip the pen tip inserted from the open end in the first direction. The first wall linearly extends in the first direction, and the second wall linearly extends in the first direction and disposed at a distance from the first wall in a second direction intersecting the first direction.

Abstract: A pen holder includes a holder to hold an electronic pen including a replaceable pen tip that contacts a screen of a display apparatus for input to the display apparatus. The pen holder further includes a pulling-out portion to pull out the pen tip, having an open end in a first direction and including a gripping portion. The gripping portion includes a first wall and a second to grip the pen tip inserted from the open end in the first direction. The first wall linearly extends in the first direction, and the second wall linearly extends in the first direction and disposed at a distance from the first wall in a second direction intersecting the first direction.

Abstract: An information display device including an information display part including a screen for displaying information, and a housing including a plurality of sides surrounding the screen, the information display part being attached to the information display device, wherein the housing has one side from among the plurality of sides, the one side being provided with an operation unit that receives an operation for the information display device, a connector that communicates with an external device, and a power source connecting portion that has a power source connector, to which power is supplied from an outside.

Abstract: A display apparatus includes a display including a screen and a housing frame to which the display is attached. The housing frame includes a plurality of frame members that surround the screen and a corner member to join two of the plurality of frame members with double-sided adhesive tape. Each frame members includes a joint portion, to be coupled with the corner member, including a first wall portion extending in a direction perpendicular to the screen; a second wall portion on a center side of the screen relative to the first wall portion, extending in a direction parallel to the screen; and a corner portion including a curved center-side face connecting a center-side face of the first wall portion and a center-side face of the second wall portion on the center side of the screen.

Abstract: An information display device includes an information display part which displays information on a screen, a battery for supplying power to the information display part, a device housing having a plurality of sides surrounding the screen, wherein the information display part being attached to the device housing, wherein the device housing includes a battery insertion portion, in which the battery is attached and detached in a direction along the screen at one side of the plurality of sides.

Abstract: A display apparatus includes a display, a housing including a peripheral portion having a first side to which the display is attached, a back plate attached to s second side of the peripheral portion of the housing, and a plurality of double-sided adhesive tapes attached to the peripheral portion. Each of the plurality of double-sided adhesive tapes includes an end portion having an opening. The peripheral portion includes an adhesive-applied region applied with adhesive and a region not applied with the adhesive, and the adhesive-applied region extends from the opening in one of the plurality of double-sided adhesive tapes to the opening in the adjacent one of the plurality of double-sided adhesive tapes.

Abstract: A display apparatus includes a display including a screen and a housing frame to which the display is attached. The housing frame includes a plurality of frame members that surround the screen and a corner member to join two of the plurality of frame members with double-sided adhesive tape. Each frame members includes a joint portion, to be coupled with the corner member, including a first wall portion extending in a direction perpendicular to the screen, a second wall portion on a center side of the screen relative to the first wall portion, extending in a direction parallel to the screen; and a corner portion including a curved center-side face connecting a center-side face of the first wall portion and a center-side face of the second wall portion on the center side of the screen.

Abstract: An information display device including an information display part including a screen for displaying information, and a housing including a plurality of sides surrounding the screen, the information display part being attached to the information display device, wherein the housing has one side from among the plurality of sides, the one side being provided with an operation unit that receives an operation for the information display device, a connector that communicates with an external device, and a power source connecting portion that has a power source connector, to which power is supplied from an outside.

Abstract: An information display device includes an information display part which displays information on a screen, a battery for supplying power to the information display part, a device housing having a plurality of sides surrounding the screen, wherein the information display part being attached to the device housing, wherein the device housing includes a battery insertion portion, in which the battery is attached and detached in a direction along the screen at one side of the plurality of sides.

Abstract: An image generating unit includes an image generating part configured to generate an image from illumination light; a driving magnet configured to generate a magnetic field; a driving coil arranged in the magnetic field of the driving magnet; a heat radiating part coupled to the image generating part and configured to radiate heat of the image generating part. The driving magnet and the driving coil move the image generating part and the heat radiating part. The driving coil is placed at the heat radiating part via a substance, thermal conductivity of the substance being lower than thermal conductivity of the heat radiating part.

Abstract: A position detection system includes a magnetic field generation unit to generate a magnetic field, a magnetic field detection unit to detect a magnetic flux density of the magnetic field effecting from the magnetic field generation unit, and to output a detection voltage corresponding to the detected magnetic flux density, and circuitry to amplify the detection voltage, set a reference voltage for amplifying the detection voltage, and an amplification level of the detection voltage based on at least one of a voltage input to the magnetic field detection unit and a gain value set for the amplification of the detection voltage or both of the voltage input to the magnetic field detection unit and the gain value set for the amplification of the detection voltage, and change the reference voltage to switch a region used for detecting a position of a movable member.

Abstract: An image generating unit includes an image generating part configured to generate an image from illumination light; a driving magnet configured to generate a magnetic field; a driving coil arranged in the magnetic field of the driving magnet; a heat radiating part coupled to the image generating part and configured to radiate heat of the image generating part. The driving magnet and the driving coil move the image generating part and the heat radiating part. The driving coil is placed at the heat radiating part via a substance, thermal conductivity of the substance being lower than thermal conductivity of the heat radiating part.

Abstract: An image generation device includes an image generator, a stationary unit, and a diffusion heat radiator. The image generator receives light and generate an image. The stationary unit includes a stationary plate and a movable unit. The movable unit includes a movable plate and a diffusion heat radiator. The movable plate is movably supported at a plurality of support portions by the stationary plate. The image generator is mounted on the movable plate. The diffusion heat radiator is connected to the movable plate at a plurality of connection portions of the movable plate. Assuming that one of the support portions constitutes a pair with one of the connection portions closest to the one of the support portions, each of the connection portions constitutes the pair with a corresponding one of the support portions that not share the pair with any other connection portion of the connection portions.

Abstract: An image projection apparatus includes a light source, an image generation unit configured to receive light from the light source and generate an image based on the received light, a projection optical system unit configured to project the image generated by the image generation unit, a heat dissipation unit configured to dissipate heat of the image generation unit, and a movable member configured such that a position of the movable member is movable relative to the projection optical system unit, wherein the image generation unit and the heat dissipation unit are mounted on the movable member.

Abstract: An image display unit includes a first unit fixed to a receiving frame, a second unit, movably supported by the first unit, including an image generator to generate an image when light enters the image generator, and a first link unit to supportingly fix the first unit to the receiving frame, and a space between the first unit and the receiving frame adjustable by the first link unit.

Abstract: An image generation device includes an image generator, a stationary unit, a movable unit, a driver, and a wiring board. The image generator receives light and generate an image. The movable unit includes a movable plate movably supported by the stationary plate of the stationary unit, the image generator mounted on the movable plate, and a diffusion heat radiator connected to the movable plate, to cool the image generator. The driver relatively moves the movable unit with respect to the stationary unit. The driver includes a driving coil disposed in the radiator and a driving magnet opposed to the coil. The wiring board is connected to the movable unit, to pass a current through at least the coil. A movable area of the wiring board in which the wiring board moves with movement of the movable unit does not overlap any of the coil and the magnet in plan view.

Abstract: An image generating unit includes a fixed member on which one of a driving magnet and a coil is provided; a heat radiating part on which the other of the driving magnet and the coil is provided; and an image generating part, to which the heat radiating part is attached, configured to receive illumination light to generate an image.

Abstract: An image generation device includes an image generator, a stationary unit, a movable unit, a driver, and a wiring board. The image generator receives light and generate an image. The movable unit includes a movable plate movably supported by the stationary plate of the stationary unit, the image generator mounted on the movable plate, and a diffusion heat radiator connected to the movable plate, to cool the image generator. The driver relatively moves the movable unit with respect to the stationary unit. The driver includes a driving coil disposed in the radiator and a driving magnet opposed to the coil. The wiring board is connected to the movable unit, to pass a current through at least the coil. A movable area of the wiring board in which the wiring board moves with movement of the movable unit does not overlap any of the coil and the magnet in plan view.