Abstract: A living body information detection circuit including a light-emitting element for irradiating a part of a living body with irradiating light. The living body information detection circuit further including a light-receiving element for receiving scattered light of the irradiating light scattered in the part of the living body to detect a pulse waveform. The living body information detection circuit also including a light shielding structure for limiting an angle of light entering the light-receiving element in front of the light-receiving element.

Abstract: A living body information collecting system includes a portable terminal and a living body information collecting apparatus. The living body information collecting apparatus includes a sensing part for collecting living body information from an external auditory meatus. The living body information collecting apparatus further includes a drive control part for drive-controlling the sensing part and processing a signal from the sensing part. The living body information collecting apparatus also includes a transmission part for transmitting information processed by the drive control part. The portable terminal includes a terminal receive part for receive-processing information from the transmission part. The portable terminal also includes a display part for displaying information from the terminal receive part.

Abstract: A living body information detection apparatus including a pair of arms opposed to each other. The apparatus including a spindle for connecting between the arms of the pair at each end of the arms. The apparatus further including a distance variable mechanism, provided in the spindle, for adjusting an interval between the other ends of the pair of arms. The apparatus also including a detection part, for detecting living body information, attached to the other end of at least one arm of the pair of arms on a side opposed to another arm.

Abstract: A cuff including a base composed of a non-elastic member. The cuff further including an elastic member provided on one surface of the base. The cuff also including an air supplying pipe, where a pressing surface of the elastic member swells only on the one surface by supplying air from the air supplying pipe.

Abstract: A living body information collecting apparatus with a part of the living body information collecting apparatus includes a shape composed of a cylinder, a cone, a prism, a pyramid, a truncated cone or a truncated pyramid. The living body information collecting apparatus further including a sensing part for collecting living body information.

Abstract: A blood-pressure meter includes a frame part including a first arm and a second arm that are opposed to each other. The blood-pressure meter further including a pressure applying part provided on at least one of a side of the first arm opposed to the second arm and a side of the second arm opposed to the first arm. The blood-pressure meter also including a detection part for detecting a pulse wave.

Abstract: A living body information detection apparatus for detecting living body information at an auricle of a human body. The living body information detection apparatus having a shape that follows a cartilage of the auricle in a periphery of a concha auriculae.

Abstract: An living body information collecting apparatus having a shape suitable for being worn in the external auditory meatus of the human body, and having a sensing part for collecting living body information from the external auditory meatus is provided. In addition, a blood-pressure meter is provided, wherein the blood-pressure meter includes: a frame part including a first arm and a second arm that are opposed to each other; a pressure applying part provided on at least one of a side of the first arm opposed to the second arm and a side of the second arm opposed to the first arm; and a detection part for detecting a pulse wave.

Abstract: An optical fiber array includes an alignment substrate, a plurality of ferrules, and a plurality of optical fibers. The alignment substrate has a plurality of guide holes which are two-dimensionally arrayed and extend through the substrate. The ferrules are respectively inserted into the guide holes in the same direction and have through holes in the central portions. The optical fibers are fitted and held in the respective through holes. The guide hole is formed into a cylindrical shape having a diameter substantially equal to the outer diameter of the ferrule. The light incident/exit end face of the optical fiber is exposed on one end face of the ferrule.

Abstract: An optical fiber array includes an alignment substrate, a plurality of ferrules, and a plurality of optical fibers. The alignment substrate has a plurality of guide holes which are two-dimensionally arrayed and extend through the substrate. The ferrules are respectively inserted into the guide holes in the same direction and have through holes in the central portions. The optical fibers are fitted and held in the respective through holes. The guide hole is formed into a cylindrical shape having a diameter substantially equal to the outer diameter of the ferrule. The light incident/exit end face of the optical fiber is exposed on one end face of the ferrule.

Abstract: An optical fiber array includes an alignment substrate, a plurality of ferrules, and a plurality of optical fibers. The alignment substrate has a plurality of guide holes which are two-dimensionally arrayed and extend through the substrate. The ferrules are respectively inserted into the guide holes in the same direction and have through holes in the central portions. The optical fibers are fitted and held in the respective through holes. The guide hole is formed into a cylindrical shape having a diameter substantially equal to the outer diameter of the ferrule. The light incident/exit end face of the optical fiber is exposed on one end face of the ferrule.

Abstract: An optical switch device includes at least an optical switch element and driving control circuit. In the optical switch element, a fixed electrode portion is arranged, via a dielectric layer, on a semiconductor substrate on which an integrated circuit is formed. A mirror structure has a plate-shaped movable portion arranged above the fixed electrode portion while opposing the fixed electrode portion. A reflecting portion is formed at least at part of the movable portion to reflect light. A support member is fixed around the fixed electrode portion on the semiconductor substrate via a dielectric layer and supports the mirror structure. The driving control circuit is incorporated in the integrated circuit to drive the optical switch element by applying a predetermined potential to the movable portion and fixed electrode portion.

Abstract: An optical switch device includes at least an optical switch element and driving control circuit. In the optical switch element, a fixed electrode portion is arranged, via a dielectric layer, on a semiconductor substrate on which an integrated circuit is formed. A mirror structure has a plate-shaped movable portion arranged above the fixed electrode portion while opposing the fixed electrode portion. A reflecting portion is formed at least at part of the movable portion to reflect light. A support member is fixed around the fixed electrode portion on the semiconductor substrate via a dielectric layer and supports the mirror structure. The driving control circuit is incorporated in the integrated circuit to drive the optical switch element by applying a predetermined potential to the movable portion and fixed electrode portion.

Abstract: An optical fiber array includes an alignment substrate, a plurality of ferrules, and a plurality of optical fibers. The alignment substrate has a plurality of guide holes which are two-dimensionally arrayed and extend through the substrate. The ferrules are respectively inserted into the guide holes in the same direction and have through holes in the central portions. The optical fibers are fitted and held in the respective through holes. The guide hole is formed into a cylindrical shape having a diameter substantially equal to the outer diameter of the ferrule. The light incident/exit end face of the optical fiber is exposed on one end face of the ferrule.