Abstract: An optically shaping apparatus includes a light modulation element having a plurality of pixels and configured to modulate light from a light source for each pixel, an optical system configured to irradiate modulation light from the light modulation element onto the photocurable resin through the light-transmissive portion, a controller configured to control the light modulation element based on each of a plurality of two-dimensional shape data corresponding to a plurality of sections in a three-dimensional object, and a moving member configured to move a cured portion cured by the modulation light among the photocurable resin in a direction separating from the light-transmissive portion. The controller controls an irradiation timing of the modulation light onto the photocurable resin for each pixel to form the cured portion corresponding to the same section in the three-dimensional object, in accordance with information on a shape of the light-transmissive portion.

Abstract: A wearable camera according to the present invention includes: an image pickup unit that obtains moving image data of an object; a detection unit that obtains detection data; a control unit that determines whether a wearer is in an abnormal situation based on the moving image data and the detection data and generates attribute tag data containing a determination clock time and details of abnormality when it is determined that the wearer is in an abnormal situation; a first communication unit that transmits first information to a server when the control unit determines that the wearer is in an abnormal situation; and a second communication unit that transmits second information containing the moving image data and having a greater amount of data than that of the first information to the server based on the attribute tag data.

Abstract: An optical shaping apparatus includes a first optical unit including a light modulation element that has a plurality of pixels and modulates light from a first light source for each pixel and irradiating modulation light from the light modulation element onto the photocurable resin through the light-transmissive portion, a second optical unit including a scanning member configured to deflect light from a second light source, the second optical unit being configured to irradiate scanning light from the scanning member onto the photocurable resin through the light-transmissive portion, the first and second optical units not including a common optical member, and a controller that controls the light modulation element and the scanning member so as to irradiate the modulation light onto a first resin area, and to irradiate the scanning light onto a second resin area in the photocurable resin.

Abstract: An optical shaping apparatus includes a light modulation element having a plurality of pixels and configured to modulate light from a light source for each pixel, a controller configured to control the light modulation element based on each of a plurality of two-dimensional shape data obtained from three-dimensional shape data, and a moving member configured to move a cured portion cured by the modulation light among the photocurable resin in a direction separating from the light-transmissive portion. The controller controls the light modulation element so as to irradiate the modulation light of an irradiation light amount corresponding to a light amount necessary for curing for each resin area, onto each of a plurality of resin areas in the photocurable resin based on a temperature distribution or a temperature change in the photocurable resin.

Abstract: An optically shaping apparatus includes a light modulation element having a plurality of pixels and configured to modulate light from a light source for each pixel, an optical system configured to irradiate modulation light from the light modulation element onto the photocurable resin through the light-transmissive portion, a controller configured to control the light modulation element based on each of a plurality of two-dimensional shape data corresponding to a plurality of sections in a three-dimensional object, and a moving member configured to move a cured portion cured by the modulation light among the photocurable resin in a direction separating from the light-transmissive portion. The controller controls an irradiation timing of the modulation light onto the photocurable resin for each pixel to form the cured portion corresponding to the same section in the three-dimensional object, in accordance with information on a shape of the light-transmissive portion.

Abstract: An optical shaping apparatus includes a light modulation element having a plurality of pixels and configured to modulate light from a light source for each pixel, a convertor configured to convert three-dimensional data into a plurality of two-dimensional modulation control data using conversion information, a controller configured to control the light modulation element based on each of the plurality of two-dimensional modulation control data, and a moving member configured to move a cured portion cured by the modulation light among the photocurable resin in a direction separating from the light-transmissive portion. The convertor sets the conversion information for each data area corresponding to each of a plurality of resin areas in the three-dimensional shape data based on a distribution of a curing shrinkage factor in the plurality of resin areas that receive the modulation light in the photocurable resin.

Abstract: An optical shaping apparatus includes a light modulation element having a plurality of pixels and configured to modulate light from a light source for each pixel, a controller configured to control the light modulation element based on each of a plurality of two-dimensional shape data obtained from three-dimensional shape data, and a moving member configured to move a cured portion cured by the modulation light among the photocurable resin in a direction separating from the light-transmissive portion. The controller controls the light modulation element so as to irradiate the modulation light of an irradiation light amount corresponding to a light amount necessary for curing for each resin area, onto each of a plurality of resin areas in the photocurable resin based on a temperature distribution or a temperature change in the photocurable resin.

Abstract: An optical shaping apparatus includes a first optical unit including a light modulation element that has a plurality of pixels and modulates light from a first light source for each pixel and irradiating modulation light from the light modulation element onto the photocurable resin through the light-transmissive portion, a second optical unit including a scanning member configured to deflect light from a second light source, the second optical unit being configured to irradiate scanning light from the scanning member onto the photocurable resin through the light-transmissive portion, the first and second optical units not including a common optical member, and a controller that controls the light modulation element and the scanning member so as to irradiate the modulation light onto a first resin area, and to irradiate the scanning light onto a second resin area in the photocurable resin.

Abstract: A light scanning apparatus includes a light source, a deflector configured to deflect a light flux from the light source, and an imaging optical system configured to guide the light flux deflected at the deflector onto a scanned surface. The imaging optical system consists of a single imaging optical element, wherein, on the optical axis of the imaging optical system, the conditions 0.15?T2/Sk?0.3 and 0.03?d/K?0.08 are satisfied. A condition 0.3?B?0.6 is satisfied at a condensing position Y where a scanning angle ? is greatest, when the condensing position Y in the main scanning direction on the scanned surface of the light flux deflected at the scanning angle ? by the deflector is expressed by Y=(K/B)×tan(B×?).

Abstract: An optical scanning apparatus includes a deflector configured to respectively deflect first and second light beams by a first deflection surface and scan first and second scanned surfaces in a main scanning direction, and first and second imaging optical systems configured to respectively collect the first and second light beams deflected by the deflector to the first and second scanned surfaces. The first and second imaging optical systems include a shared multistage lens including first and second optical surfaces arranged in a sub-scanning direction to which each of the first and second light beams enters, the second scanned surface is disposed on a position closer to the deflector than the first scanned surface, and a second optical path length from the first deflection surface to the second scanned surface is longer than a first optical path length from the first deflection surface to the first scanned surface.

Abstract: An optical scanning apparatus a deflector configured to respectively deflect first and second light beams by a first deflection surface and scan first and second scanned surfaces in a main scanning direction, and first and second imaging optical systems configured to respectively collect the first and second light beams deflected by the deflector to the first and second scanned surfaces. The first and second imaging optical systems include a shared multistage lens including first and second optical surfaces arranged in a sub-scanning direction to which each of the first and second light beams enters, the second scanned surface is disposed on a position closer to the deflector than the first scanned surface, and a second optical path length from the first deflection surface to the second scanned surface is longer than a first optical path length from the first deflection surface to the first scanned surface.

Abstract: A light scanning apparatus includes a light source, a deflector configured to deflect a light flux from the light source, and an imaging optical system configured to guide the light flux deflected at the deflector onto a scanned surface. The imaging optical system consists of a single imaging optical element, wherein, on the optical axis of the imaging optical system, the conditions 0.15?T2/Sk?0.3 and 0.03?d/K?0.08 are satisfied. A condition 0.3?B?0.6 is satisfied at a condensing position Y where a scanning angle ? is greatest, when the condensing position Y in the main scanning direction on the scanned surface of the light flux deflected at the scanning angle ? by the deflector is expressed by Y=(K/B)×tan(B×?).

Abstract: An optical scanning device includes a deflector configured to deflect a plurality of light beams emitted from a plurality of light emitters that are mutually spaced apart in a sub-scanning direction; an incident optical system configured to steer the plurality of light beams so as to be incident on the deflector; an imaging optical system configured to steer the plurality of light beams so as to be obliquely incident on a surface to be scanned and to form images of the plurality of light emitters on the surface to be scanned; and a correction unit configured to correct a jitter of at least one of the plurality of light beams in a main scanning direction on the basis of irradiation position information, in the sub-scanning direction, of at least one light beam among the plurality of light beams at a point corresponding to the surface to be scanned.

Abstract: A light scanning apparatus includes a light source, a deflector configured to deflect a light flux from the light source, and an imaging optical system configured to guide the light flux deflected at the deflector onto a scanned surface. The imaging optical system consists of a single imaging optical element, wherein, on the optical axis of the imaging optical system, the conditions 0.15?T2/Sk?0.3 and 0.03?d/K?0.08 are satisfied. A condition 0.3?B?0.6 is satisfied at a condensing position Y where a scanning angle ? is greatest, when the condensing position Y in the main scanning direction on the scanned surface of the light flux deflected at the scanning angle ? by the deflector is expressed by Y=(K/B)×tan(B×?).

Abstract: A light scanning apparatus includes a light source, a deflector configured to deflect a light flux from the light source, and an imaging optical system configured to guide the light flux deflected at the deflector onto a scanned surface. The imaging optical system consists of a single imaging optical element, wherein, on the optical axis of the imaging optical system, the conditions 0.15?T2/Sk?0.3 and 0.03?d/K?0.08 are satisfied. A condition 0.3?B?0.6 is satisfied at a condensing position Y where a scanning angle ? is greatest, when the condensing position Y in the main scanning direction on the scanned surface of the light flux deflected at the scanning angle ? by the deflector is expressed by Y=(K/B)×tan(B×?).

Abstract: An optical scanning device includes a deflector configured to deflect a plurality of light beams emitted from a plurality of light emitters that are mutually spaced apart in a sub-scanning direction; an incident optical system configured to steer the plurality of light beams so as to be incident on the deflector; an imaging optical system configured to steer the plurality of light beams so as to be obliquely incident on a surface to be scanned and to form images of the plurality of light emitters on the surface to be scanned; and a correction unit configured to correct a jitter of at least one of the plurality of light beams in a main scanning direction on the basis of irradiation position information, in the sub-scanning direction, of at least one light beam among the plurality of light beams at a point corresponding to the surface to be scanned.

Abstract: An optical scanning device configured to remove or sufficiently reduce ghost light includes an input optical system for directing a light beam from a light source to a deflecting surface of a deflector, and an imaging optical system for imaging a light beam scanningly deflected by the deflecting surface upon a surface to be scanned, wherein, in a sub-scan section, the light beam is incident on the deflecting surface of the deflector from an oblique direction with respect to an optical axis of the imaging optical system, wherein a light blocking member for blocking ghost light is disposed on a light path between the deflecting surface and the scanned surface, wherein an end portion of the light blocking member in the sub-scan direction is formed with a curved shape having a height in the sub-scan direction which height changes in accordance with the position in the main-scan direction.

Abstract: An optical scanning device includes a light source device, a deflector, an input optical system for directing a light beam from the light source device onto the deflector, and an imaging optical system for imaging a light beam scanningly deflected by a deflecting surface of the deflector, upon a scan surface to be scanned, wherein, in a sub-scan section, a light beam directed from the input optical system toward the deflecting surface of the deflector is incident thereon at a finite angle with respect to a plane which is orthogonal to a rotational axis of the deflector, wherein the imaging optical system includes at least one molded imaging lens, and wherein a shape within a sagittal section of at least one lens surface, of lens surfaces of the at least one imaging lens, is non-arcuate, and a sagittal curvature in a light beam passage region has an extreme value.

Abstract: An optical scanning device configured to remove or sufficiently reduce ghost light includes an input optical system for directing a light beam from a light source to a deflecting surface of a deflector, and an imaging optical system for imaging a light beam scanningly deflected by the deflecting surface upon a surface to be scanned, wherein, in a sub-scan section, the light beam is incident on the deflecting surface of the deflector from an oblique direction with respect to an optical axis of the imaging optical system, wherein a light blocking member for blocking ghost light is disposed on a light path between the deflecting surface and the scanned surface, wherein an end portion of the light blocking member in the sub-scan direction is formed with a curved shape having a height in the sub-scan direction which height changes in accordance with the position in the main-scan direction.

Abstract: An optical scanning device configured to remove or sufficiently reduce ghost light includes an input optical system for directing a light beam from a light source to a deflecting surface of a deflector, and an imaging optical system for imaging a light beam scanningly deflected by the deflecting surface upon a surface to be scanned, wherein, in a sub-scan section, the light beam is incident on the deflecting surface of the deflector from an oblique direction with respect to an optical axis of the imaging optical system, wherein a light blocking member for blocking ghost light is disposed on a light path between the deflecting surface and the scanned surface, wherein an end portion of the light blocking member in the sub-scan direction is formed with a curved shape having a height in the sub-scan direction which height changes in accordance with the position in the main-scan direction.