Abstract: An inverter device includes a circuit configuration for converting, to AC power, DC powers respectively given from a first power supply and a second power supply which outputs power with voltage lower than that of the first power supply. The inverter device includes: a first step-up circuit; a second step-up circuit; an inverter circuit connected to both step-up circuits connected in parallel to each other, the inverter circuit configured to convert powers given from both step-up circuits to AC power; and a control unit configured to multiply a power value including the AC power outputted from the inverter circuit, by a ratio of a power value of the DC power of each step-up circuit to a total power value obtained by summing the DC powers of both step-up circuits, and set a current target value for each step-up circuit based on a value obtained by the multiplication.

Abstract: An inverter device includes: a step-up circuit; an inverter circuit; a control unit for controlling the step-up circuit and the inverter circuit; and a reactor provided on an electric path for outputting the converted AC power to an AC system. An output current target value is calculated based on an input power value of DC power and a voltage value of the AC system, and a current target value and a voltage target value for the inverter circuit are calculated based on the output current target value, to control the inverter circuit. A current target value for the step-up circuit is calculated based on a current target value and a voltage target value that are common with the inverter circuit, and on a DC input voltage value, to control the step-up circuit. Thereby, output of the AC power is controlled.

Abstract: Provided is an ophthalmologic apparatus which is capable of performing offset adjustment of an alignment position while performing transillumination observation by automatic alignment. The ophthalmologic apparatus includes an automatic alignment unit for automatically performing alignment between a measuring portion and an eye to be inspected, and an alignment position changing unit capable of moving an optical axis center position of the measuring portion to an arbitrary position in the transillumination observation.

Abstract: An ophthalmologic apparatus, when an output result of an imaging unit provided in an optical path of an imaging optical system satisfies a predetermined condition, stops controlling a driving unit in at least one direction based on a positional relationship of an image of the light flux, which has been reflected by a cornea of the subject's eye and regulated by a light flux regulation unit provided in the optical path of the imaging optical system, and maintains the control of the driving unit in the other directions.

Abstract: An ophthalmologic apparatus, when an output result of an imaging unit provided in an optical path of an imaging optical system satisfies a predetermined condition, stops controlling a driving unit in at least one direction based on a positional relationship of an image of the light flux, which has been reflected by a cornea of the subject's eye and regulated by a light flux regulation unit provided in the optical path of the imaging optical system, and maintains the control of the driving unit in the other directions.

Abstract: A fundus camera includes an illumination unit to illuminate an ocular fundus of a subject's eye, an autofluorescent exciter filter insertable into and retractable from an illumination optical path of the illumination unit, an observation and photographing unit to receive reflection light from the ocular fundus illuminated by the illumination unit and form an ocular fundus image, an autofluorescent barrier filter insertable into and retractable from an observation and photographing optical path, an image capturing unit to capture an ocular fundus image, and a calculation unit to calculate image data, wherein the calculation unit converts the ocular fundus image which is illuminated using the autofluorescent exciter filter and captured by a color image capturing unit as a color image, in a state that no autofluorescent barrier filter is inserted into the observation and photographing unit, into a monochromatic image from specific color data of each of the pixels.

Abstract: A fundus camera includes an illumination unit to illuminate an ocular fundus of a subject's eye, an autofluorescent exciter filter insertable into and retractable from an illumination optical path of the illumination unit, an observation and photographing unit to receive reflection light from the ocular fundus illuminated by the illumination unit and form an ocular fundus image, an autofluorescent barrier filter insertable into and retractable from an observation and photographing optical path, an image capturing unit to capture an ocular fundus image, and a calculation unit to calculate image data, wherein the calculation unit converts the ocular fundus image which is illuminated using the autofluorescent exciter filter and captured by a color image capturing unit as a color image, in a state that no autofluorescent barrier filter is inserted into the observation and photographing unit, into a monochromatic image from specific color data of each of the pixels.

Abstract: An ophthalmologic observation and photographing apparatus capable of photographing a color image and a fluorescence image includes an illumination unit for illuminating a fundus of a subject's eye, an observation and photographing unit for observing and photographing a specified region of the illuminated subject's eye, a barrier filter insertably mounted to the observation and photographing unit and configured to transmit a fluorescence wavelength range and block excitation light, a color photographing unit including a tri-color separation filter and mounted in the observation and photographing unit, and an index projecting unit for projecting an index light to be photographed by superimposing on an image of the specified region of the subject's eye.

Abstract: A fundus camera includes an illumination unit to illuminate an ocular fundus of a subject's eye, an autofluorescent exciter filter insertable into and retractable from an illumination optical path of the illumination unit, an observation and photographing unit to receive reflection light from the ocular fundus illuminated by the illumination unit and form an ocular fundus image, an autofluorescent barrier filter insertable into and retractable from an observation and photographing optical path, an image capturing unit to capture an ocular fundus image, and a calculation unit to calculate image data, wherein the calculation unit converts the ocular fundus image which is illuminated using the autofluorescent exciter filter and captured by a color image capturing unit as a color image, in a state that no autofluorescent barrier filter is inserted into the observation and photographing unit, into a monochromatic image from specific color data of each of the pixels.

Abstract: An ophthalmologic photographing apparatus includes an imaging unit configured to capture a fundus image of a subject's eye to output an image signal, a projection unit configured to intermittently project an index light flux onto the subject's eye in synchronization with the image signal from the imaging unit, and an image recording unit configured to record the image signal from the imaging unit as a moving image.

Abstract: A fundus camera includes an illumination unit to illuminate an ocular fundus of a subject's eye, an autofluorescent exciter filter insertable into and retractable from an illumination optical path of the illumination unit, an observation and photographing unit to receive reflection light from the ocular fundus illuminated by the illumination unit and form an ocular fundus image, an autofluorescent barrier filter insertable into and retractable from an observation and photographing optical path, an image capturing unit to capture an ocular fundus image, and a calculation unit to calculate image data, wherein the calculation unit converts the ocular fundus image which is illuminated using the autofluorescent exciter filter and captured by a color image capturing unit as a color image, in a state that no autofluorescent barrier filter is inserted into the observation and photographing unit, into a monochromatic image from specific color data of each of the pixels.

Abstract: An ophthalmologic photographing apparatus includes an imaging unit configured to capture a fundus image of a subject's eye to output an image signal, a projection unit configured to intermittently project an index light flux onto the subject's eye in synchronization with the image signal from the imaging unit, and an image recording unit configured to record the image signal from the imaging unit as a moving image.

Abstract: A single-plate image pickup element picks up an eye fundus image. A tricolor separation color filter includes R, G, and B filter elements arranged in a mosaic so as to correspond to the pixels of the image pickup element. Each virtual pixel value of color image data is calculated from light detection data of adjacent pixels. Thus, image data of a color still image is generated. The R filter elements transmit near-infrared light. Each virtual pixel value is calculated from light detection data of pixels corresponding to B or G filter elements that are adjacent to the R filters and have sensitivity to near-infrared light. Thus, image data of a near-infrared light monochrome moving image is generated.

Abstract: A single-plate image pickup element picks up an eye fundus image. A tricolor separation color filter includes R, G, and B filter elements arranged in a mosaic so as to correspond to the pixels of the image pickup element. Each virtual pixel value of color image data is calculated from light detection data of adjacent pixels. Thus, image data of a color still image is generated. The R filter elements transmit near-infrared light. Each virtual pixel value is calculated from light detection data of pixels corresponding to B or G filter elements that are adjacent to the R filters and have sensitivity to near-infrared light. Thus, image data of a near-infrared light monochrome moving image is generated.

Abstract: A pipe having a through-hole of smaller diameter than a pressure port is disposed in the pressure port. Therefore, a volume of the pressure port can be reduced by the thickness of the pipe, thereby improving response of a pressure sensor. Furthermore, there is no need for the pressure port having smaller diameter to be provided by drill processing, so that a volume in the pressure port can be easily adjusted. Accordingly, the volume in the pressure port can be reduced with a simple structure to improve response of the pressure sensor.

Abstract: Fundus examination is effected by the steps of irradiating the fundus of an examined eye with a measuring beam through a deflector, irradiating the fundus of the eye with a tracking beam through the deflector to thereby obtain tracking information, and controlling the deflector on the basis of the tracking information and executing tracking, calculating a position at which the reliability of a signal obtained by a light receiving system is relatively improved during the tracking, and controlling the deflector so that the measuring beam may be irradiated to this position; and frequency-analyzing the signal obtained by the light receiving system and calculating the velocity of blood flow. The aforementioned reliability is evaluated by means of the SN ratio and quality value of the signal.

Abstract: A blood vessel tracking apparatus includes a light source for emitting light and illuminating a blood-vessel with the light. The apparatus also includes a light-receiving sensor for receiving a blood vessel image made of light from the illumination light source reflected by the blood-vessel. The apparatus also includes an optical-path changing device for changing the optical-path of the light emitted from the illumination light source and a calculator for calculating the blood-vessel diameter of the illuminated blood-vessel based on an output of the light-receiving sensor, a plurality of times. A measuring device is also provided, which measures the change in blood-vessel diameter based on the calculating performed by calculating device.

Abstract: A pressure sensor (1) having a first terminal (35), the first terminal (35) including a horizontal portion (61) and a vertical portion (62) at an intermediate portion thereof and being elastically deformable. A portion of the first terminal (35) being inserted and soldered to a circuit substrate (33) has a collar portion (63) being abutted around a through-hole (51) of the circuit substrate (33). The first terminal (35) is fixed at a state being pressed to the circuit substrate (33) by the collar portion (63) and being slightly compressed between a base member (32). When the circuit substrate (33) and the base member (32) are spaced apart by circumambient heat, the first terminal (35) can follow by the compressed margin. When the first terminal (35) itself is thermally expanded, the first terminal (35) can follow by an elastic deformation of the horizontal portion (61) and the vertical portion (62).

Abstract: A fiber reinforced thermoplastic resin molded product having a good surface appearance; fiber reinforced thermoplastic resin pellets useful for making fiber reinforced thermoplastic resin molded products; and processes for making fiber reinforced thermoplastic resin molded products and processes for producing fiber reinforced thermoplastic resin pellets.

Abstract: An ophthalmologic apparatus which has namer for naming and designating an eye to be examined and the fundus portion of the eye to be examined, an examiner device for examining the fundus portion, a memory for storing therein a set state regarding the examination by the examining means of the named fundus portion, and a controller for controlling the examiner device to assume the set state on the basis of the stored set state when the fundus portion is designated by the namer, thereby being capable of effecting the next examination of the fundus of the eye within a short time.