Abstract: Provided is a medical device capable of easily changing a position of the device inside a biological lumen and effectively removing a cut object. The medical device for removing the object in the biological lumen has a drive shaft, a cutting portion, a first housing that accommodates the drive shaft to be rotatable, a second housing that is rotatable with respect to the first housing, and a support portion that supports the first housing and the second housing. The second housing and the support portion relatively move along an axis to restrict relative rotation of the first housing and the second housing. The support portion supports the second housing to be rotatable around the axis.

Abstract: A projector includes: a white light generator that uses a blue laser as a light source to generate blue light and yellow light based on the blue laser and generates white light including the generated blue light and yellow light; and an optical system that modulates light based on the white light generated by the white light generator with an image display element and projects the modulated light, wherein the white light generator includes: a dichroic mirror that is irradiated with the blue light from the blue laser as the light source; a first condenser lens that focuses blue light being reflected by or passing through the dichroic mirror; a diffusion plate that diffuses the blue light focused by the first condenser lens; a second condenser lens that focuses the blue light passing through or being reflected by the dichroic mirror; and a phosphor that emits yellow light.

Abstract: A projector generates white light from a laser light source and uses the white light for image display. The white light generator has a rectangular light generating lens that generates excitation light of a rectangular shape from the blue light of a blue laser and a phosphor wheel, coated with a phosphor that is irradiated with the excitation light, to emit yellow light. In the phosphor wheel, a length in the vertical direction of a rectangular shape of an irradiation region is represented by v, and a length in the horizontal direction is represented by h, wherein h<v; and a center of the rectangular shape is within any one of a region having an angle of 45° or more and 135° or less and a region having an angle of 225° or more and 315° or less in the phosphor coat region of the phosphor wheel.

Abstract: A process includes obtaining update history information that includes respective update histories of a plurality of versions of software, the plurality of versions including a first version immediately previous to a second version, identifying, from the update history information, second version that corresponds to the update history that includes a predetermined keyword, identifying, based on development history information that includes a change location in a source code of the software between the first version and the second version, a code block deleted from the source code when the first version is upgraded to the second version, as the code block that includes a possibility of including vulnerability, and detecting, out of the plurality of versions, a third version that includes the identified code block in the source code.

Abstract: A projector includes: a white light generator that uses a blue laser as a light source to generate blue light and yellow light based on the blue laser and generates white light including the generated blue light and yellow light; and an optical system that modulates light based on the white light generated by the white light generator with an image display element and projects the modulated light, wherein the white light generator includes: a dichroic mirror that is irradiated with the blue light from the blue laser as the light source; a first condenser lens that focuses blue light being reflected by or passing through the dichroic mirror; a diffusion plate that diffuses the blue light focused by the first condenser lens; a second condenser lens that focuses the blue light passing through or being reflected by the dichroic mirror; and a phosphor that emits yellow light.

Abstract: A projector generates white light from a laser light source and uses the white light for image display. The white light generator has a rectangular light generating lens that generates excitation light of a rectangular shape from the blue light of a blue laser and a phosphor wheel, coated with a phosphor that is irradiated with the excitation light, to emit yellow light. In the phosphor wheel, a length in the vertical direction of a rectangular shape of an irradiation region is represented by v, and a length in the horizontal direction is represented by h, wherein h<v; and a center of the rectangular shape is within any one of a region having an angle of 45° or more and 135° or less and a region having an angle of 225° or more and 315° or less in the phosphor coat region of the phosphor wheel.

Abstract: A projector generates white light from a laser light source and uses the white light for image display. The white light generator has a rectangular light generating lens that generates excitation light of a rectangular shape from the blue light of a blue laser and a phosphor wheel, coated with a phosphor that is irradiated with the excitation light, to emit yellow light. In the phosphor wheel, a length in the vertical direction of a rectangular shape of an irradiation region is represented by v, and a length in the horizontal direction is represented by h, wherein h<v; and a center of the rectangular shape is within any one of a region having an angle of 45° or more and 135° or less and a region having an angle of 225° or more and 315° or less in the phosphor coat region of the phosphor wheel.

Abstract: A projector includes: a white light generator that uses a blue laser as a light source to generate blue light and yellow light based on the blue laser and generates white light including the generated blue light and yellow light; and an optical system that modulates light based on the white light generated by the white light generator with an image display element and projects the modulated light, wherein the white light generator includes: a dichroic mirror that is irradiated with the blue light from the blue laser as the light source; a first condenser lens that focuses blue light being reflected by or passing through the dichroic mirror; a diffusion plate that diffuses the blue light focused by the first condenser lens; a second condenser lens that focuses the blue light passing through or being reflected by the dichroic mirror; and a phosphor that emits yellow light.

Abstract: The projector appropriately generates white light from a laser light source and uses the white light for image display. A white light generator that generates white light from blue light and yellow light includes a dichroic mirror that is irradiated with blue light from a blue laser, a first condenser lens that focuses the blue light that has passed through the dichroic mirror, a diffusion plate that diffuses the focused blue light, a second condenser lens that focuses the blue light obtained by allowing the diffused blue light to pass through the dichroic mirror, and a phosphor that is irradiated with the focused blue light to emit yellow light; the diffusion plate is an alumina ceramic plate; the dichroic mirror has a first region that transmits one of the blue light and the yellow light and reflects the other and a second region that reflects or transmits both.

Abstract: A projector generates white light from a laser light source and uses the white light for image display. The white light generator has a rectangular light generating lens that generates excitation light of a rectangular shape from the blue light of a blue laser and a phosphor wheel, coated with a phosphor that is irradiated with the excitation light, to emit yellow light. In the phosphor wheel, a length in the vertical direction of a rectangular shape of an irradiation region is represented by v, and a length in the horizontal direction is represented by h, wherein h<v; and a center of the rectangular shape is within any one of a region having an angle of 45° or more and 135° or less and a region having an angle of 225° or more and 315° or less in the phosphor coat region of the phosphor wheel.

Abstract: A projector includes: a white light generator that uses a blue laser as a light source to generate blue light and yellow light based on the blue laser and generates white light including the generated blue light and yellow light; and an optical system that modulates light based on the white light generated by the white light generator with an image display element and projects the modulated light, wherein the white light generator includes: a dichroic mirror that is irradiated with the blue light from the blue laser as the light source; a first condenser lens that focuses blue light being reflected by or passing through the dichroic mirror; a diffusion plate that diffuses the blue light focused by the first condenser lens; a second condenser lens that focuses the blue light passing through or being reflected by the dichroic mirror; and a phosphor that emits yellow light.

Abstract: The projector appropriately generates white light from a laser light source and uses the white light for image display. A white light generator that generates white light from blue light and yellow light includes a dichroic mirror that is irradiated with blue light from a blue laser, a first condenser lens that focuses the blue light that has passed through the dichroic mirror, a diffusion plate that diffuses the focused blue light, a second condenser lens that focuses the blue light obtained by allowing the diffused blue light to pass through the dichroic mirror, and a phosphor that is irradiated with the focused blue light to emit yellow light; the diffusion plate is an alumina ceramic plate; the dichroic mirror has a first region that transmits one of the blue light and the yellow light and reflects the other and a second region that reflects or transmits both.

Abstract: A projection video display apparatus includes an input unit to input a video signal; a display to display the inputted video signal; a plurality of light sources to generate light; an illumination optical system to guide the generated light to the display; a projection optical system to project light via the display; and a controller to control the light sources, a lighting ratio and a current value per time for each light source. The controller has a black display control mode, for each light source, which makes a relative rate of a lighting ratio for a light source with a specific color smaller than the other light sources, and reduces the current value of the other light sources to be less than a current value of the light source with the specific color when compared with a case where the input video signal is a white signal.

Abstract: In a projection-type image display apparatus configured to project images formed on a display element by using light from a plurality of light sources, the apparatus includes light-source coolers provided to the light sources and configured to cool the light sources, and the light-source coolers are arranged so that light-source heat dissipating directions of all the light-source coolers are substantially the same among the light-source coolers the light-source heat dissipating directions being directed toward heat dissipating parts dissipating the heat of the light sources with reference to heat absorbing parts absorbing the heat of the light sources.

Abstract: A projection-type video image display apparatus measures quantity of light of a plurality of light sources by maintaining illuminance distribution of an illumination luminous flux. The apparatus includes R, B and G light sources, and a mirror configured to reflect white light obtained by synthesizing the light rays emitted from the respective light sources while making the white light pass through the mirror based on predetermined transmittance characteristics. An illuminance sensor disposed on the mirror's back surface and configured to measure quantity of light for each color of the white light which passed through the mirror, and a controller adjusts an amount of light emission of the light source of each color based on the quantity of light measured. The mirror allows the transmittance characteristics of each light transmittance in the center wavelengths of the R and B lights sources to be larger than those of the G light source.

Abstract: A projection-type video image display apparatus measures quantity of light of a plurality of light sources by maintaining illuminance distribution of an illumination luminous flux. The apparatus includes R, B and G light sources, and a mirror configured to reflect white light obtained by synthesizing the light rays emitted from the respective light sources while making the white light pass through the mirror based on predetermined transmittance characteristics. An illuminance sensor disposed on the mirror's back surface and configured to measure quantity of light for each color of the white light which passed through the mirror, and a controller adjusts an amount of light emission of the light source of each color based on the quantity of light measured. The mirror allows the transmittance characteristics of each light transmittance in the center wavelengths of the R and B lights sources to be larger than those of the G light source.

Abstract: A projection video display apparatus includes an input unit to input a video signal; a display to display the inputted video signal; a plurality of light sources to generate light; an illumination optical system to guide the generated light to the display; a projection optical system to project light via the display; and a controller to control the light sources, a lighting ratio and a current value per time for each light source. The controller has a black display control mode, for each light source, which makes a relative rate of a lighting ratio for a light source with a specific color smaller than the other light sources, and reduces the current value of the other light sources to be less than a current value of the light source with the specific color when compared with a case where the input video signal is a white signal.

Abstract: A projection-type video image display apparatus measures quantity of light of a plurality of light sources by maintaining illuminance distribution of an illumination luminous flux. The apparatus includes R, B and G light sources, and a mirror configured to reflect white light obtained by synthesizing the light rays emitted from the respective light sources while making the white light pass through the mirror based on predetermined transmittance characteristics. An illuminance sensor disposed on the mirror's back surface and configured to measure quantity of light for each color of the white light which passed through the mirror, and a controller adjusts an amount of light emission of the light source of each color based on the quantity of light measured. The mirror allows the transmittance characteristics of each light transmittance in the center wavelengths of the R and B lights sources to be larger than those of the G light source.

Abstract: In a projection-type image display apparatus configured to project images formed on a display element by using light from a plurality of light sources, the apparatus includes light-source coolers provided to the light sources and configured to cool the light sources, and the light-source coolers are arranged so that light-source heat dissipating directions of all the light-source coolers are substantially the same among the light-source coolers the light-source heat dissipating directions being directed toward heat dissipating parts dissipating the heat of the light sources with reference to heat absorbing parts absorbing the heat of the light sources.

Abstract: A projection-type video image display apparatus measures quantity of light of a plurality of light sources by maintaining illuminance distribution of an illumination luminous flux. The apparatus includes R, B and G light sources, and a mirror configured to reflect white light obtained by synthesizing the light rays emitted from the respective light sources while making the white light pass through the mirror based on predetermined transmittance characteristics. An illuminance sensor disposed on the mirror's back surface and configured to measure quantity of light for each color of the white light which passed through the mirror, and a controller adjusts an amount of light emission of the light source of each color based on the quantity of light measured. The mirror allows the transmittance characteristics of each light transmittance in the center wavelengths of the R and B lights sources to be larger than those of the G light source.