Abstract: An endoscope illumination apparatus includes a light convertor including first and second light conversion members that receive primary light emitted from a primary light source and convert at least one of the optical properties of the primary light, a detector that receives at least part of first light conversion light converted by the first light conversion member as detection light, and outputs a detection signal corresponding to a quantity of the detection light, and an operation estimation circuit that estimates, based on an amount of change in the detection signal output from the detector, whether any one of the first and second light conversion members is in an abnormal operation or both of the first and second light conversion members are in an abnormal operation.

Abstract: An illumination apparatus includes a first wavelength converter which absorbs part of the first excitation light and emits first wavelength-converted light, a second wavelength converter which absorbs part of the first excitation light and emits second wavelength-converted light, a reflector including a reflecting surface which is arranged to surround the members, and a holder which holds the members. A first region where light distribution angles of light emitted from the members have a predetermined value or less and a second region where the light distribution angle is less than the predetermined value are present in a region surrounded by the reflecting surface. The holder holds at least one part of the wavelength converter and at least one part of the second wavelength converter at the first region.

Abstract: A light source device includes: excitation light sources configured to emit a plurality of excitation light including mutually different spectra; wavelength converting members configured to wavelength-convert the excitation light emitted from the excitation light sources into light having mutually different spectra and configured to be disposed in a common application region of the excitation light; and a light source control unit configured to switch a combination of the excitation light sources that are lighted among the excitation light sources based on the observation mode including a normal light observation mode and a special light observation mode to highlight a particular observation target input to an input unit, wherein light emitted from the wavelength converting members is used as illumination light, and the illumination light corresponding to the observation modes is emitted from a same emitting portion.

Abstract: A light source device includes a primary light source that emits primary light, a light guide that guides the primary light, an optical conversion unit that converts the primary light emitted from the light guide and having a first light distribution angle into secondary light having a second light distribution angle and emits the secondary light, and a light distribution adjustment unit that adjusts the secondary light to illumination light having a third light distribution angle and emits the illumination light. The light distribution adjustment unit and the optical conversion unit slide each other. The light distribution adjustment unit allows a light distribution adjustment amount for adjusting the second light distribution angle of the secondary light to adjust to the third light distribution angle of the illumination light.

Abstract: A light source device includes a detector that detects a remaining capacity, and a prediction calculation circuit that calculates a capacity consumption predictive value indicating a ratio of consuming a capacity of a supply source within a predetermined period of time in each illumination mode. The light source device further includes a capability calculation circuit that calculates a driving capability of the supply source corresponding to each of the illumination modes, based on the remaining capacity and the capacity consumption predictive value; and a reporting unit that reports the driving capability.

Abstract: A light source device having a wavelength converting unit having a first wavelength converting member for absorbing a first excitation light having a first wavelength range, and emitting a first wavelength-converted light; and a second wavelength converting member for absorbing a second excitation light having a second wavelength range, and emitting a second wavelength-converted light, wherein the wavelength converting unit emits a first emission light having a first spectral shape when irradiated with the first excitation light, and emits a second emission light having a second spectral shape when irradiated with the second excitation light, and wherein at least a portion of the first wavelength converting member and at least a portion of the second wavelength converting members are arranged within an irradiation space that is commonly irradiated by both the first excitation light and the second excitation light.

Abstract: A light source apparatus irradiates an observation target with first light in a wavelength region which does not include a wavelength region where an absorption peak of a target substance included in the observation target is present and second light in a wavelength region where the absorption peak is present. An image acquiring circuit includes an emphasized image information generating circuit which generates emphasized image information on the basis of first image information acquired by an imaging apparatus when the observation target is irradiated with the first light and second image information acquired by the imaging apparatus when the observation target is irradiated with the second light.

Abstract: A light source apparatus includes a light conversion unit converting primary light into secondary light. The light conversion unit includes a light conversion member, a holder and a reflection member. The holder includes an incidence portion through which the primary light enters and an exit portion through which at least part of the secondary light exits in a direction crossing an optical axis of the primary light. The light conversion member is arranged on the optical axis of the primary light. Part of the secondary light allowed to exit from the light conversion member in a direction different from a direction toward the exit portion is reflected by the reflection member and exited from the exit portion. The ratio of reentering to the light conversion member is reduced.

Abstract: A body-introducable apparatus includes: a light source unit having a first light source that outputs first light and a second light source that outputs second light in a wavelength band different from that of the first light; a light distribution matching unit that matches distributions of the first light and the second light; an illuminating control unit that illuminates the inside of the subject by driving the light source unit; and an imaging unit that captures an image of the inside of the subject.

Abstract: An image generating device includes a first image-information generating unit that generates first image information based on a plurality of pieces of acquired color element information, a color-component detecting unit that detects a predetermined color component based on each piece of color element information, a color-component eliminating unit that eliminates the predetermined color component detected by the color-component detecting unit from a predetermined piece of color element information among the plurality of pieces of color element information, and a second image-information generating unit that generates second color information based on a piece of color element information obtained by eliminating the predetermined color component by the color-component eliminating unit and another piece of color element information.

Abstract: A light source device includes a first excitation light source which emits first excitation light having a wavelength in a first wavelength region, a first optical member, a second optical member and a holding member which holds the first optical member and the second optical member. The first optical member converts at least part of the first excitation light to emit first wavelength converted light, and increase divergence angle of the transmitted first excitation light by a first incremental angle. A second optical member is disposed in a region including an optical axis of the first excitation light, and increases the divergence angle of the transmitted first excitation light by a second incremental angle larger than the first incremental angle.

Abstract: A light source device includes: excitation light sources configured to emit a plurality of excitation light including mutually different spectra; wavelength converting members configured to wavelength-convert the excitation light emitted from the excitation light sources into light having mutually different spectra and configured to be disposed in a common application region of the excitation light; and a light source control unit configured to switch a combination of the excitation light sources that are lighted among the excitation light sources based on the observation mode including a normal light observation mode and a special light observation mode to highlight a particular observation target input to an input unit, wherein light emitted from the wavelength converting members is used as illumination light, and the illumination light corresponding to the observation modes is emitted from a same emitting portion.

Abstract: A subject observation system includes a light source and an image obtaining unit. The light source emits observation light including a spectral component of a wavelength and applies the light to a subject. The image obtaining unit images reflected light from an irradiation region of the subject to which the light has been applied and obtains at least two observation images in different wavelength regions based on image signals corresponding to a blue region, a green region and a red region. The light includes components of light emission spectra in the regions. The light emission spectrum in the blue region is smaller in a wavelength region in which absorption intensity for a specific observation target in the subject is relatively low than in other regions.

Abstract: A light source apparatus includes a light conversion unit converting primary light into secondary light. The light conversion unit includes a light conversion member, a holder and a reflection member. The holder includes an incidence portion through which the primary light enters and an exit portion through which at least part of the secondary light exits in a direction crossing an optical axis of the primary light. The light conversion member is arranged on the optical axis of the primary light. Part of the secondary light allowed to exit from the light conversion member in a direction different from a direction toward the exit portion is reflected by the reflection member and exited from the exit portion. The ratio of reentering to the light conversion member is reduced.

Abstract: A hydrogen-absorbing alloy for an alkaline storage battery with high power characteristics and excellent output power stability and a method for manufacturing the same are provided. The hydrogen-absorbing alloy for an alkaline storage battery of the invention is represented by ABn (A: LaxReyMg1-x-y, B: Nin-zTz, Re: at least one element selected from rare earth elements including Y (other than La), T: at least one element selected from Co, Mn, Zn, and Al, and z>0) and has a stoichiometric ratio n of 3.5 to 3.8, a ratio of La to Re (x/y) of 3.5 or less, at least an A5B19 type structure, and an average C axis length ? of crystal lattice of 30 to 41 ?.

Abstract: A light source device includes a first excitation light source which emits first excitation light having a wavelength in a first wavelength region, a first optical member, a second optical member and a holding member which holds the first optical member and the second optical member. The first optical member converts at least part of the first excitation light to emit first wavelength converted light, and increase divergence angle of the transmitted first excitation light by a first incremental angle. A second optical member is disposed in a region including an optical axis of the first excitation light, and increases the divergence angle of the transmitted first excitation light by a second incremental angle larger than the first incremental angle.

Abstract: A light source device having a wavelength converting unit having a first wavelength converting member for absorbing a first excitation light having a first wavelength range, and emitting a first wavelength-converted light; and a second wavelength converting member for absorbing a second excitation light having a second wavelength range, and emitting a second wavelength-converted light, wherein the wavelength converting unit emits a first emission light having a first spectral shape when irradiated with the first excitation light, and emits a second emission light having a second spectral shape when irradiated with the second excitation light, and wherein at least a portion of the first wavelength converting member and at least a portion of the second wavelength converting members are arranged within an irradiation space that is commonly irradiated by both the first excitation light and the second excitation light.

Abstract: The present invention provides a capsule type medical apparatus that can receive, in a subject, an external signal transmitted from an outside of the subject and transmitted via a conductor existing in the subject, including: a cover member that is formed of a dielectric and covers components of the capsule type medical apparatus; a plurality of electrodes that are formed of conductors, are provided in tight contact with an inner wall side of the cover member, and receive the external signal; an inductor circuit that is connected in series to each of the plurality of electrodes, and has an inductance value set to configure a resonant circuit having a frequency substantially equal to a carrier frequency of the external signal as a resonant frequency; and a signal receiving circuit to which the external signal received by the plurality of electrodes and a potential difference of the external signal are inputted.

Abstract: The capsule medical apparatus of the present invention is disposed in a test subject and acquires information on the inside of the test subject. The capsule medical apparatus comprises a plurality of communication electrodes that are disposed on the surface of the capsule medical apparatus and capable of communication for outputting the information acquired by the capsule medical apparatus to the outside of the test subject, a judgment section that judges whether or not the plurality of communication electrodes can perform the communication based on the state of the plurality of communication electrodes, and a control section that suspends, based on the judgment result obtained in the judgment section, the operations of at least part of various sections of the capsule medical apparatus when the plurality of communication electrodes cannot perform the communication.

Abstract: An alkaline storage battery in which an actual reaction area is not reduced after increasing a reaction area is provided. A hydrogen storage alloy negative electrode 11 of an alkaline storage battery 10 of the present invention is formed in a strip form including a long axis and a short axis, in which the ratio (A/B) of a length A (cm) of the long axis to a length B (cm) of the short axis is 20 or more and 30 or less (20?A/B?30), and the ratio (X/Y) of an electrolyte volume X (g) retained in the hydrogen storage alloy negative electrode 11 to an electrolyte volume Y (g) retained in a separator 13 is 0.8 or more and 1.1 or less (0.8?X/Y?1.1). With this arrangement, an alkaline storage battery with high output characteristics and long-term durability performance is obtained.