Abstract: An optical coherence tomography apparatus includes a generation unit configured, based on interfering light produced by interfering a return beam and a reference beam of light emitted toward the object to be measured, to generate tomographic images of an object to be measured, an image processing unit configured to perform image processing for increasing image quality to at least one of the tomographic images generated by the generation unit, and a display control unit configured to display one of the tomographic images generated by the generation unit and then display the image on which the image processing is performed by the image processing unit on a display unit.

Abstract: An optical coherence tomographic apparatus includes a unit configured to perform tracking of an eye to be examined based on a plurality of images of the eye which are obtained at different times, and a control unit configured to control the unit which performs the tracking in a case where a plurality of tomographic images of the eye are obtained.

Abstract: When an anterior segment photographing mode is selected, ease of operation by an inspector is improved. An ophthalmologic apparatus includes an area changing unit for changing a movement area of an optical unit including an optical path of measuring light, when an anterior segment photographing mode for photographing an anterior segment of an eye to be inspected is selected, to be different from a movement area when a mode other than the anterior segment photographing mode is selected.

Abstract: An ophthalmological apparatus includes a measurement unit configured to analyze a tomographic image and measure a layer thickness of a predetermined tissue of an eye being examined, a position identifying unit configured to identify positions of a plurality of parts of the eye being examined, a storage unit configured to store statistical data of layer thicknesses of the predetermined tissue of a plurality of eyes that have been examined, a position alignment unit configured to perform position alignment on an image of the eye being examined and an image represented by the statistical data, by using information regarding the positions of the plurality of parts, and a comparison unit configured to compare the layer thickness of the predetermined tissue of the eye being examined with the statistical data of the layer thicknesses of the predetermined tissue of the plurality of eyes that have been examined.

Abstract: An optical coherence tomography apparatus includes a generation unit configured, based on interfering light produced by interfering a return beam and a reference beam of light emitted toward the object to be measured, to generate tomographic images of an object to be measured, an image processing unit configured to perform image processing for increasing image quality to at least one of the tomographic images generated by the generation unit, and a display control unit configured to display one of the tomographic images generated by the generation unit and then display the image on which the image processing is performed by the image processing unit on a display unit.

Abstract: An ophthalmic apparatus determines, based on information indicating a tilt of an object in a tomographic image, a direction in which luminance information of the tomographic image is to be combined. Then, the ophthalmic apparatus combines the luminance information of the tomographic image along the determined direction, thereby generating a plane image of the object.

Abstract: An electric tool for driving a tip tool, the electric tool includes: a removable battery; the brushless motor configured to generate a driving force for driving the tip tool; an inverter circuit configured to supply drive power from the removable battery to the brushless motor using a plurality of semiconductor switching elements; a controller configured to control the inverter circuit to control rotation of the brushless motor; a temperature detector configured to detect a temperature of the brushless motor or the semiconductor switching elements; and a voltage detector configured to detect a voltage of the battery. The brushless motor is driven such that a duty ratio of PWM drive signal for driving the semiconductor switching elements is determined based on relationship between the temperature detected by the temperature detector and the voltage detected by the voltage detector.

Abstract: A directed-energy irradiating apparatus includes an FEL apparatus and an HPM apparatus. The FEL apparatus accelerates free electrons by using a microwave supplied from a microwave source to irradiate an FEL beam and outputs a remaining microwave. The HPM apparatus irradiates an HPM beam generated based on the remaining microwave outputted from the FEL apparatus. It is possible to destroy a target even in a situation that a destruction effect by the FEL beam cannot expected, while maintaining the destruction ability of the FEL beam.

Abstract: A medical imaging apparatus includes an imaging unit configured to capture an image of a subject, an imaging sequence registration unit configured to register an imaging sequence, and a display unit configured to display the imaging sequence registered by the imaging sequence registration unit.

Abstract: An evaporator includes: a porous medium that has a plurality of tubular projections; a vapor chamber and a liquid chamber that are separated by the porous medium, the liquid chamber also serving as a liquid reservoir; a case that has a first portion that is connected with a vapor line, a second portion that is connected with a liquid line at one side, and a plurality of protrusions that are provided on the first portion; and a high thermal conductivity member that is provided inside the liquid chamber, the high thermal conductivity member extending from the one side that is connected with the liquid line to an opposite side located opposite to the one side, the high thermal conductivity member having a higher thermal conductivity than the second portion.

Abstract: An optical coherence tomography apparatus includes: an acquisition unit configured to split light from a light source into measurement light and reference light, and acquire a tomogram of an eye to be examined based on interfering light obtained by interference between the reference light and return light from the eye; a positional relationship changing unit configured to change a positional relationship between the eye and an optical system including an optical path of the measurement light; and a control unit configured to control the changing unit based on a difference in slant information of the eye between two tomograms acquired by the acquisition unit.

Abstract: A power tool includes: a motor; a fan driven by the motor and defining an axis and a radial direction; and a housing for accommodating the motor and the fan therein, the housing including: a peripheral wall formed with a ventilation hole; and a grid partly covering the ventilation hole, the ventilation hole being positioned adjacent to the fan and having a shape defined by a circumferential surface, the grid including at least one elongated portion extending in a longitudinal direction perpendicular to the radial direction, and a distance from the axis of the fan to the circumferential surface is different from a distance from the axis of the fan to one elongated portion in the radial direction of the fan.

Abstract: A power tool (1) and a method of producing such power tool capable of improving dust proof performance with respect to a circuit board (33) and a stator coil (31B), and capable of securing cooling performance to the circuit board. The power tool includes a brushless motor (3) having a hollow stator (31), a rotor (32) positioned in an internal space of the stator, and a motor driver circuit connected to the stator. The stator includes a coil (31B) electrically connected to the mo- for driver circuit. The coil is coated with a coating agent (31D), and the motor driver circuit is covered with an insulation cover member (33D).

Abstract: An optical coherence tomographic imaging apparatus includes a movement amount acquisition unit configured to acquire an amount of rotation of a subject's eye based on a plurality of images of the subject's eye acquired at different times, and a control unit configured to control a scanning unit to correct, based on the acquired amount of rotation, a scanning position between a scan and a next scan performed by the scanning unit.

Abstract: An optical coherence tomographic imaging apparatus includes a movement amount acquisition unit configured to acquire the amount of subject's eye movement based on a plurality of images of the subject's eye acquired at different times, a determination unit configured to determine whether the amount of subject's eye movement before a scan by the scanning unit exceeds a threshold value, and a control unit configured to, in a case the amount of subject's eye movement before the scan is equal to or smaller than the threshold value, control the scanning unit to perform scanning position correction between a scan and the next scan based on the amount of movement.

Abstract: There is provided a loop heat pipe which includes an evaporator that internally includes at least one wick built, a condenser, a liquid pipe and a vapor pipe that connect the evaporator and the condenser to each other, and a heat dispersion cavity that is formed inside the evaporator, and disperses a vapor, wherein the wick includes, a first wick that is porous, a second wick that is porous, the second wick being inserted into the first wick from the liquid pipe side and including a pore size larger than the first wick, and a vapor channel that is defined between the first wick and the second wick. The vapor channel is connected at an end on the liquid pipe side to the heat dispersion cavity.

Abstract: A ranging apparatus transmits an optical input signal to an optical signal input/output unit mounted on a measurement target. The optical signal input/output unit receives the optical signal and transmits an optical output signal applied with an optical change, to the ranging apparatus. The ranging apparatus receives the optical output signal, measures a propagation distance from a light source a the light receiving unit through the optical signal input/output unit, and measures a relative position of the optical signal input/output unit based on the propagation distance. Thus, a distributed aperture radar is realized from the ranging apparatus and the optical signal input/output unit.

Abstract: A fundus photographing apparatus includes an imaging unit configured to capture a fundus image of an subject's eye via a photographing optical system, an imaging magnification output unit configured to output imaging magnification of the photographing optical system, a fixation target presenting unit configured to make the subject's eye to look firmly at a fixation target, a fixation target presenting position detection unit configured to detect a presenting position of the fixation target presenting unit, a matching area determination unit configured to determine an area for matching a fundus image based on the imaging magnification and the presenting position of the fixation target, and a correlation value calculation unit configured to calculate a correlation value between a plurality of fundus images captured by the imaging unit based on the matching area determined by the matching area determination unit.