Abstract: A projector includes a projection lens, a first imaging section that takes an image of a projection surface, a second imaging section that takes an image of the projection surface with a wider field angle than the first imaging section, a lens mount on which a first projection lens and a second projection lens are mountable in an exchangeable manner, a lens information acquisition section that obtains projection lens identification information used for identifying a projection lens mounted on the lens mount, and a control section. The control section makes the first imaging section take the image of the projection surface when the projection lens identification information indicates that the first projection lens is mounted on the lens mount, and makes the second imaging section take the image of the projection surface when the projection lens identification information indicates that the second projection lens is mounted on the lens mount.

Abstract: A data processing apparatus that controls a screen displayed by a body-mounted data display device, includes a judging unit that judges whether to control an amount of change of an image displayed in the screen by comparing data obtained from the data display device and a previously set display control pattern; a display control unit that controls the amount of change of the image displayed in the screen in accordance with a judged result obtained by the judging unit; and a content generation unit that generates a content to be displayed in the screen based on a content set by the display control unit, and outputs the generated content to the data display device.

Abstract: A projector includes a projection lens, a first imaging section that takes an image of a projection surface, a second imaging section that takes an image of the projection surface with a wider field angle than the first imaging section, a lens mount on which a first projection lens and a second projection lens are mountable in an exchangeable manner, a lens information acquisition section that obtains projection lens identification information used for identifying a projection lens mounted on the lens mount, and a control section. The control section makes the first imaging section take the image of the projection surface when the projection lens identification information indicates that the first projection lens is mounted on the lens mount, and makes the second imaging section take the image of the projection surface when the projection lens identification information indicates that the second projection lens is mounted on the lens mount.

Abstract: A projector includes a projection lens, a first imaging section adapted to take an image of the projection surface, and a second imaging section adapted to take an image of the projection surface with a field angle wider than a field angle of the first imaging section. The first imaging section is disposed at a first distance from an optical axis of the projection lens in a direction perpendicular to the optical axis, and the second imaging section is disposed at a second distance longer than the first distance from the optical axis of the projection lens in the direction perpendicular to the optical axis.

Abstract: A projector includes a projection lens, a first imaging section adapted to take an image of the projection surface, and a second imaging section adapted to take an image of the projection surface with a field angle wider than a field angle of the first imaging section. The first imaging section is disposed at a first distance from an optical axis of the projection lens in a direction perpendicular to the optical axis, and the second imaging section is disposed at a second distance longer than the first distance from the optical axis of the projection lens in the direction perpendicular to the optical axis.

Abstract: A data processing apparatus that controls a screen displayed by a body-mounted data display device, includes a judging unit that judges whether to control an amount of change of an image displayed in the screen by comparing data obtained from the data display device and a previously set display control pattern; a display control unit that controls the amount of change of the image displayed in the screen in accordance with a judged result obtained by the judging unit; and a content generation unit that generates a content to be displayed in the screen based on a content set by the display control unit, and outputs the generated content to the data display device.

Abstract: A projector includes a light source apparatus, a light modulator that modulates a light flux outputted from the light source apparatus in accordance with image information, a projection lens that projects the light flux modulated by the light modulator, an exterior enclosure that accommodates the light source apparatus, the light modulator, and the projection lens, an exhaust fan (first exhaust fan) that exhausts air inside the exterior enclosure out thereof through an exhaust port (first light source exhaust port) provided in the exterior enclosure, and a functional device (wireless device) that provides a predetermined function and is heated to a temperature higher than the temperature of the exhaust air from the first exhaust fan. The wireless device is disposed in a position downstream of the first exhaust fan, and part of the exhaust air discharged from the first exhaust fan flows to the wireless device.

Abstract: A light-emitting module according to an embodiment includes a light-emitting element which emits light and a substrate on which the light-emitting element is mounted. Further, the light-emitting module according to the embodiment includes a lens, which is formed from a material containing an aliphatic hydrocarbon organic compound having a cyclic structure in the main backbone, and is disposed on the substrate so as to cover the light-emitting element, and in which on a portion irradiated with light emitted by the light-emitting element, the maximum illuminance of the light is 100,000 lx or more and 300,000 lx or less or the maximum energy per unit area of the light is 30,000 ?W/cm2 or more and 90,000 ?W/cm2 or less.

Abstract: A projector includes a light source apparatus, a light modulator that modulates a light flux outputted from the light source apparatus in accordance with image information, a projection lens that projects the light flux modulated by the light modulator, an exterior enclosure that accommodates the light source apparatus, the light modulator, and the projection lens, an exhaust fan (first exhaust fan) that exhausts air inside the exterior enclosure out thereof through an exhaust port (first light source exhaust port) provided in the exterior enclosure, and a functional device (wireless device) that provides a predetermined function and is heated to a temperature higher than the temperature of the exhaust air from the first exhaust fan. The wireless device is disposed in a position downstream of the first exhaust fan, and part of the exhaust air discharged from the first exhaust fan flows to the wireless device.

Abstract: According to one embodiment, a light-emitting circuit includes: a plurality of substrates in which wiring pattern layers are formed, the substrates including light-emitting elements connected to and mounted on the wiring pattern layers; and a linear conductor having electric conductivity, the linear conductor including linear joining sections at both ends electrically connected to the wiring pattern layers of the substrates and a convex section formed to be bent in a convex shape in an intermediate section between the joining sections, and the joining sections being respectively joined to the wiring pattern layers among the plurality of substrates adjacent to one another.

Abstract: The present invention provides a pair of input terminals to which AC voltage is input, the AC voltage being phase-controlled by a dimmer for phase-controlling AC voltage of an AC source; a damping circuit which has a resistor inserted to a position, into which input current flows from the AC source via the dimmer in series, and a capacitor and an inductor which form a closed circuit together with the AC source and the dimmer, and suppresses high-frequency vibration generated in the dimmer when a phase control element of the dimmer is turned on; and an LED lighting circuit which rectifies AC voltage phase-controlled and input via the pair of input terminals, converts DC output voltage, which is obtained by rectification, so that the voltage adapts to a load, and lights the LED.

Abstract: According to one embodiment, an LED lighting device includes a DC source, a non-insulated step-down chopper and a light emitting diode. The non-insulated step-down chopper includes: a first circuit in which a switching element, a current detecting impedance element and an inductor are connected in series to each other; a second circuit in which the inductor and a freewheel diode are connected in series to each other; and a control portion for controlling the switching element. A power portion including the switching element and the control portion are constituted by a single package IC, and the current detecting impedance element and inductor are attached to the outside of the IC.

Abstract: According to one embodiment, a light-emitting circuit includes: a plurality of substrates in which wiring pattern layers are formed, the substrates including light-emitting elements connected to and mounted on the wiring pattern layers; and a linear conductor having electric conductivity, the linear conductor including linear joining sections at both ends electrically connected to the wiring pattern layers of the substrates and a convex section formed to be bent in a convex shape in an intermediate section between the joining sections, and the joining sections being respectively joined to the wiring pattern layers among the plurality of substrates adjacent to one another.

Abstract: The present invention provides an LED lighting device including: a rectifying circuit having AC input ends connected to an AC source; a converter which has input ends connected to DC output ends of the rectifying circuit and output ends, to which an output capacitor is connected in parallel, connected to an LED, and lights the LED; a control unit for changing continued DC output current of the converter in accordance with a dimming degree; and a bypass circuit which is connected to the output ends of the converter in parallel with the output capacitor and makes bypass current flow, the bypass current being larger than lighting current, which flows through the LED, at least in the vicinity of a dimming lower limit.

Abstract: A lighting apparatus according to an exemplary embodiment includes a light source including a light emitting element, a reflection portion main body that is formed of an incombustible resin and is provided at an emission side of the light source, and a reflection layer that is formed of resin substantially not containing halogen or phosphorus and is provided on a surface of the reflection portion main body.

Abstract: An electrolytic capacitor includes: a case including a case body, in which an electrolytic capacitor element is disposed in a sealed manner and filled up with an electrolytic solution, and a safety valve is mounted to the case body for jetting an evaporated gas of the electrolytic solution filling the electrolytic capacitor element; a cover member mounted to the case so as to cover the safety valve provided for the case; a first fixing unit mounted to the cover member so as to prevent the cover member from dismounting when the evaporated gas of the electrolytic solution is jetted outward; and a second fixing unit disposed in association with the first fixing unit and adopted to reinforce and assist a function of the first fixing unit to thereby prevent the cover member from being dismounted. An electric equipment includes a lighting circuit including circuit components, and an electrolytic capacitor of the structure mentioned above.

Abstract: According to one embodiment, an LED lighting device includes a DC source, a non-insulated step-down chopper and a light emitting diode. The non-insulated step-down chopper includes: a first circuit in which a switching element, a current detecting impedance element and an inductor are connected in series to each other; a second circuit in which the inductor and a freewheel diode are connected in series to each other; and a control portion for controlling the switching element. A power portion including the switching element and the control portion are constituted by a single package IC, and the current detecting impedance element and inductor are attached to the outside of the IC.

Abstract: The present invention provides an LED lighting device including: a rectifying circuit having AC input ends connected to an AC source; a converter which has input ends connected to DC output ends of the rectifying circuit and output ends, to which an output capacitor is connected in parallel, connected to an LED, and lights the LED; a control unit for changing continued DC output current of the converter in accordance with a dimming degree; and a bypass circuit which is connected to the output ends of the converter in parallel with the output capacitor and makes bypass current flow, the bypass current being larger than lighting current, which flows through the LED, at least in the vicinity of a dimming lower limit.