Abstract: Illumination optical system (101) for outputting light to a projection lens, light source unit (102) for outputting light to illumination optical system (101), and dust-proof case (103) houses illumination optical system (101) and can be divided into two housings are provided, and the dust-proof case (103) has second positioning member (105-1), (105-2) provided on the outer surface of dust-proof case (103) and fitted to and first positioning member (104-1), (104-2) provided in light source unit (102), mounting seating surface (106) provided on the outer surface of the dust-proof case (103) for screwing light source unit (102), and pinching portion (107) for sandwiching a final optical member of light source unit (102) sandwiched between two housings.

Abstract: A phosphor member includes: a phosphor plate that converts a part of excitation light into fluorescent light and emits mixed color light including the fluorescent light and the remaining part of the excitation light; and a reflective layer that is provided on the phosphor plate and that transmits a part of the mixed color light and reflects the remaining part.

Abstract: This projection-type display device has: an operation signal detection unit that receives operation signals that indicate adjustment content of a projected image, the adjustment content having been instructed by way of an operation unit; an installation state detection unit that detects, as the installation state of the projection-type display device, a first state and a second state realized by rotating 90 degrees around an axis parallel to the optical axis of the projection lens; and a control unit that, upon detecting a signal that corresponds to the first direction by way of the operation signal detection unit in the first state and the second state, adjusts a projected image by shifting the projected image in the first direction or by moving a correction-object site in the projected image in the first direction.

Abstract: An information processing device makes a communication connection with an external device. The information processing device establishes a service connection with the external device upon determining an input of a determination key from the external device in the determination-key-input-reception time.

Abstract: An electronic device includes a first duct for guiding the air blown out from blowers for cooling a liquid crystal panel mounted on an illumination optical system to the liquid crystal panel, a second duct for guiding the air passing through the liquid crystal panel in the opposite direction of the air blown out from the blowers, a heat sink for removing heat from the air passing through the second duct and a blower holding unit for holding the blowers are provided in a dust-proof case, and the top surface of the blower holding unit, the blower holding unit forms a third duct for guiding the air from which heat has been removed by the heat sink to the air inlet of the blowers that is a space formed along the top surface of the dust-proof case.

Abstract: A parking lot guidance system includes: a determination unit configured to determine whether the parking lot is in a congested state based on a result of detection from a detection unit; a selection unit configured to select a predetermined number of empty spaces in the parking lot based on a determination from the determination unit; and a display unit configured to display the predetermined number of empty spaces. The selection unit selects the empty spaces from further inside in an extending direction of the vehicle passage in a first parking block which is a parking block including an empty space and being closer to a facility entrance provided at a position different from that of a parking lot entrance of the parking lot out of a plurality of parking blocks along a plurality of vehicle passages when the determination unit determines that the parking lot is in the congested state.

Abstract: An image transmission apparatus includes: a processor that performs a process of generating image data and that transmits the image data to a display apparatus connected via a network; and a clock controller that receives information relating to a display mode of the display apparatus from the display apparatus and that controls a drive clock frequency of the processor based on the information.

Abstract: A method includes displaying attraction information that identifies at least a plurality of candidate attractions, wherein the candidate attractions are attractions that are not previously recommended; receiving a first user input comprising a selection of a single candidate attraction among the plurality of candidate attractions; displaying property information that identifies a plurality of properties after receiving the first user input; receiving a second user input comprising a selection of one or more properties among the plurality of properties; and associating the selected candidate attraction and the selected one or more properties to permit respective devices disposed at the one or more properties to display information of the selected candidate attraction.

Abstract: A projector includes a light source; a spatial light modulator; a signal processing unit that includes a tone map unit that performs a luminance gradation conversion of an input video data according to a tone map indicating a relationship of an output luminance with respect to an input luminance; a luminance acquiring unit that obtains a maximum luminance of a projection surface of the modulated light; and a control unit that controls an amount of light of the light source and sets the tone map. When the maximum luminance of the projection surface is equal to or greater than a first threshold value indicating a maximum luminance of the input video data, the control unit sets, to the tone map unit, a tone map in which a maximum value of the output luminance is set to be the first threshold value.

Abstract: A display system includes a plurality of display devices and portable device configured to operate the plurality of display devices. Each of the plurality of display devices includes an identification information generation unit configured to generate identification information for identifying its own device, and a display control unit configured to cause output information representing the identification information generated by the identification information generation unit to be output from a display unit. The portable device includes an imaging unit configured to capture an image displayed by the display unit of each of the plurality of display devices and a device control unit configured to detect the identification information identifying each of the plurality of display devices on the basis of the output information included in the image captured by the imaging unit and associate the detected identification information with a position of each of the plurality of display devices.

Abstract: A projector and a method for holding the projector, which can prevent the projector from dropping and which can prevent noise emission. The projector of the present disclosure includes resin housing having multiple mounting portions, hanging metal plate disposed inside housing, at least one metal member disposed inside housing, connected to hanging metal plate, and integrated with hanging metal plate to form a loop shape, grounding member that is connected to the loop shape and grounds hanging metal plate, hanging metal fitting for fixing housing to a wall surface or ceiling, fixing member for fixing hanging metal fitting from the outside of housing to multiple portions, the hanging metal plate being fixed to hanging metal fitting through fixing member in at least one portions.

Abstract: A light guide includes: a light guide main body that guides light input from an incident surface to an exit surface; and an attachment member that is connected to the light guide main body and includes an attachment portion that is to be fixed to another member, and the area of a connection surface between the attachment member and the light guide main body is smaller than the cross-sectional area of the attachment portion.

Abstract: A method includes displaying attraction information that identifies at least a plurality of candidate attractions, wherein the candidate attractions are attractions that are not previously recommended; receiving a first user input comprising a selection of a single candidate attraction among the plurality of candidate attractions; displaying property information that identifies a plurality of properties after receiving the first user input; receiving a second user input comprising a selection of one or more properties among the plurality of properties; and associating the selected candidate attraction and the selected one or more properties to permit respective devices disposed at the one or more properties to display information of the selected candidate attraction.

Abstract: A display device includes a video input part for receiving video signals based on video input signals received by another display device, a communication controller for receiving communication data, representing any change occurring in video input signals, from another display device, a video signal determination part for determining video signals input by the video signal input part based on communication data received by the communication controller, and a video signal adjustment part for adjusting video signals based on the result of determination made by the video signal determination part.

Abstract: A video device includes at least one of an input connector and an output connector connectible with a video-signal cable, wherein the input connector is connected to a first resistor coupled with a predetermined potential and oppositely connected to a first signal line of the video-signal cable connected to a second resistor of a second video device, and wherein the output connector is connected to a third resistor coupled with a ground potential and oppositely connected to a second signal line of the video-signal cable connected to a fourth resistor of a third video device; and a connection determination part configured to determine a normal connection of the video-signal cable connected to the input connector based on a potential of the first signal line or to determine a normal connection of the video-signal cable connected to the output connector based on a potential of the second signal line.

Abstract: Flicker in a projector using a plurality of phosphor wheels is reduced. The light source device according to the present invention includes a first rotating body and a second rotating body that each include a phosphor; and a rotation body controller that rotates the first rotating body and the second rotating body so that a difference between a maximum value and a minimum value of combined light of first fluorescence obtained by the first rotating body and second fluorescence obtained by the second rotating body becomes smaller.

Abstract: An image display device includes: a signal input unit to which a first signal or a second signal is supplied using a signal cable in accordance with prescribed setting information, the signal cable having a plurality of transmission lines of prescribed transmission characteristics; a transmission line control unit configured to change a destination to which a signal is supplied using the plurality of transmission lines, in accordance with a transmission line setting for setting at least a portion of the plurality of transmission lines as transmission lines which transmit the first signal; an image control unit configured to generate an image signal from the first signal supplied using the transmission lines in accordance with a transmission format setting for designating a format for transmitting the first signal using the transmission lines; and a setting control unit configured to change the transmission line setting and the transmission format setting.

Abstract: A light source device, a projector, and a chromaticity adjustment method, which are resistant to a change in the color of emitted light even if used for a long period of time, includes: an excitation light source that emits excitation light; a phosphor wheel that is irradiated with excitation light to convert a part of excitation light into fluorescent light and that emits mixed color light including the fluorescent light and a remaining part of excitation light; motor that rotates phosphor wheel; and an adjustment unit that adjusts the rotational frequency of motor so that the chromaticity of mixed color light emitted from phosphor wheel becomes a predetermined value.

Abstract: A method includes permitting, by a server, a first device to join an online meeting held with at least a third device based on receiving a user input from the first device. The method includes permitting, by the server, a second device to join the online meeting in addition to the first device based on receiving login information associated with a user account used by the first device from the second device. The method includes providing, by the server and to at least the third device in the online meeting, screen information of the second device after permitting the second device to join the online meeting.

Abstract: A coordinate detection system includes a camera configured to capture an image of a face opposite to a display face of a transmissive display panel including a plurality of luminous parts and to thereby produce video information, and a video processor configured to detect coordinates instructed on the display face of the transmissive display panel based on the luminance or chromaticity of reflected light, which occurs when reflecting light emitted from each luminous part of the transmissive display panel, according to the captured video information.