Abstract: An object of the present invention is to provide a biological corrosion inhibitor for a metal, which exhibits the effect at a low concentration and is superior in biodegradability. A biological corrosion inhibitor for a metal including 3-methylglutaraldehyde as an effective ingredient is provided.

Abstract: A pedestrian and a driver of a running vehicle that are in the vicinity of a stopped vehicle are notified of a danger of collision with a vehicle, without requiring the pedestrian to carry a communication terminal. A vehicle danger notification control apparatus includes an outside recognition arrangement for recognizing a running vehicle and/or a pedestrian as a moving object(s), a danger determination arrangement for determining whether there is a danger of collision(s) between the running vehicle and the pedestrian and/or between the running vehicles, and a danger notification arrangement for notifying, in a case in which the danger determination means determines that there is a collision danger, a driver of the running vehicle and/or the pedestrian of the collision danger.

Abstract: A pedestrian and a driver of a running vehicle that are in the vicinity of a stopped vehicle are notified of a danger of collision with a vehicle, without requiring the pedestrian to carry a communication terminal. A vehicle danger notification control apparatus includes an outside recognition arrangement for recognizing a running vehicle and/or a pedestrian as a moving object(s), a danger determination arrangement for determining whether there is a danger of collision(s) between the running vehicle and the pedestrian and/or between the running vehicles, and a danger notification arrangement for notifying, in a case in which the danger determination means determines that there is a collision danger, a driver of the running vehicle and/or the pedestrian of the collision danger.

Abstract: When own vehicle starts and accelerates involving course-change, the own vehicle is started with appropriate timing, and changes a course safely and swiftly.

Abstract: The present invention provides a vehicle controller that predicts the behavior of the host vehicle and the preceding vehicle in accordance with the input road shape by use of the mass models of the host vehicle and the preceding vehicle before determining the acceleration of the host vehicle based on the result of the driver model and behavioral prediction. The unintended acceleration of the driver and the two-step deceleration can be thereby less frequent. And the algorithm the vehicle controller possesses alleviates the sense of discomfort felt by the driver. The vehicle controller further enables the cruise control in keeping with the intended driving operation of the driver while the security is ensured even when both the adaptive cruise control (ACC) and the deceleration control ahead of curve are to be performed simultaneously.

Abstract: An electrochemical corrosion potential sensor has a sensor unit, a lead wire and a quasi-reference electrode. A sensor unit includes a tube-shaped insulator, a tube-shaped metal casing joined to an end portion of the insulator, and a Pt electrode joined to another end portion of the insulator. A lead wire connected to the Pt electrode passes through the insulator and the metal casing. The quasi-reference electrode disposed in the metal casing is made of a less noble metal and electrically connected with the lead wire. Since an electrochemical corrosion potential sensor has the quasi-reference electrode, the measurement of the corrosion potential of a structural member of a nuclear power plant and an abnormality occurrence (water intrusion) can be accurately detected during the operation of a nuclear power plant.

Abstract: A wavelength-multiplexed polarization entangled photon pair generator (1) includes: a pump light source (2); a polarization entangled photon pair generating body (4) on which pump light (3) outputted from the pump light source (2) falls; and a spectrometer (7) on which a wavelength-multiplexed parametric photon pair (5) outputted from the polarization entangled photon pair generating body 4 falls. The polarization entangled photon pair generating body (4) made of a nonlinear optical crystal (11) generates wavelength-multiplexed photon pairs by subjecting the pump light 3 to type II phase matching. As a nonlinear optical crystal 11, lithium tantalate of periodically poled structure (11A) can be used, and as a spectrometer (7), an arrayed-waveguide grating can be used. Wavelength-multiplexed polarization entangled photon pairs (5) can thus be generated with simple equipment.

Abstract: A wavelength-multiplexed polarization entangled photon pair generator (1) includes: a pump light source (2); a polarization entangled photon pair generating body (4) on which pump light (3) outputted from the pump light source (2) falls; and a spectrometer (7) on which a wavelength-multiplexed parametric photon pair (5) outputted from the polarization entangled photon pair generating body 4 falls. The polarization entangled photon pair generating body (4) made of a nonlinear optical crystal (11) generates wavelength-multiplexed photon pairs by subjecting the pump light 3 to type II phase matching. As a nonlinear optical crystal 11, lithium tantalate of periodically poled structure (11A) can be used, and as a spectrometer (7), an arrayed-waveguide grating can be used. Wavelength-multiplexed polarization entangled photon pairs (5) can thus be generated with simple equipment.

Abstract: A non-degenerate polarization-entangled photon pair generation device (1) that efficiently and easily generates non-degenerate polarization-entangled photon pairs includes: a quantum-entangled photon pair generator (2) including a single crystal in which periodically poled structures (3a, 3b) having different periods are formed; and a light radiating unit (4) for entering light into the quantum-entangled photon pair generator (2) such that the light passes through the periodically poled structure (3a) and then through the periodically poled structure (3b).

Abstract: A non-degenerate polarization-entangled photon pair generation device (1) that efficiently and easily generates non-degenerate polarization-entangled photon pairs includes: a quantum-entangled photon pair generator (2) including a single crystal in which periodically poled structures (3a, 3b) having different periods are formed; and a light radiating unit (4) for entering light into the quantum-entangled photon pair generator (2) such that the light passes through the periodically poled structure (3a) and then through the periodically poled structure (3b).

Abstract: An encryptor is provided for encrypting AV data sent from an interface. A controller controls recording of the encrypted AV data by controlling a recorder for recording the encrypted AV data in a magnetic disk. The recorder is controlled by the controller so as to reproduce the data recorded on the disk. A decrypter decrypts the reproduced data that is sent to the interface.

Abstract: An encryptor is provided for encrypting AV data sent from an interface. A controller controls recording of the encrypted AV data by controlling a recorder for recording the encrypted AV data in a magnetic disk. The recorder is controlled by the controller so as to reproduce the data recorded on the disk. A decrypter decrypts the reproduced data that is sent to the interface.

Abstract: An optical nonlinear evaluation device (1) capable of accurately evaluating the optical nonlinearity of a Kerr medium in accordance with a phase difference caused by cross-phase modulation generated in the Kerr medium includes: a polarization Sagnac interference path (3) provided with a Kerr medium (4); an optical pulse light source (7) for supplying a signal beam (Dsig); a polarization beam splitter (PBS1) for splitting the signal beam (Dsig) into a signal beam (Hsig) and a signal beam (Vsig) polarized in a direction orthogonal to the signal beam (Hsig), for supplying the signal beam (Hsig) to a first side of the Kerr medium (4), and for supplying the signal beam (Vsig) to a second side of the Kerr medium (4); a glass plate (14) for entering, onto the signal beam (Hsig), a control beam (Vcont) for causing a change in phase difference between the signal beam (Hsig) and the signal beam (Vsig); separating means for separating the control beam (Vcont) from the signal beam (Hsig) having traveled through the Kerr

Abstract: An optical nonlinear evaluation device (1) capable of accurately evaluating the optical nonlinearity of a Kerr medium in accordance with a phase difference caused by cross-phase modulation generated in the Kerr medium includes: a polarization Sagnac interference path (3) provided with a Kerr medium (4); an optical pulse light source (7) for supplying a signal beam (Dsig); a polarization beam splitter (PBS1) for splitting the signal beam (Dsig) into a signal beam (Hsig) and a signal beam (Vsig) polarized in a direction orthogonal to the signal beam (Hsig), for supplying the signal beam (Hsig) to a first side of the Kerr medium (4), and for supplying the signal beam (Vsig) to a second side of the Kerr medium (4); a glass plate (14) for entering, onto the signal beam (Hsig), a control beam (Vcont) for causing a change in phase difference between the signal beam (Hsig) and the signal beam (Vsig); separating means for separating the control beam (Vcont) from the signal beam (Hsig) having traveled through the Kerr

Abstract: In one embodiment of the present invention, a quantum entangled photon-pair producing device is disclosed which includes a superposed state generating device for generating a superposed state of photon-pairs entering through N (N?2) different incident optical paths and being composed of photons having different polarization directions, and a light-guide device for separating the photon-pairs entering through the N (e.g. N is two) incident optical paths into photons having a first polarization direction (e.g. horizontally polarized light) and those having a second polarization direction (e.g. vertically polarized light) and guiding the photons having the first polarization direction and entering through the i-th (1?i?N) (e.g. the first) incident optical path and photons having the second polarization direction and entering through the (N?i+1) (e.g. the second) incident optical path to the i-th (e.g. the first) exit optical path through optical paths having the same optical path length.

Abstract: A system includes a DVD recorder capable of recording and playing back video data using an HDD, a TV receiver capable of displaying TV broadcasts or effecting display based on the video data played back by the DVD recorder, and an HDMI interface that integrates the function of the two devices, i.e. the TV receiver and DVD recorder. The DVD recorder is powered on in step with the power-on of the TV receiver via the HDMI interface, enabling video data to be supplied from the DVD recorder to the TV receiver. When powered on, the DVD recorder maintains the magnetic disk of the HDD in rotation while the magnetic head is held above the surface of the magnetic disk. The magnetic head is retracted off of the surface of the magnetic disk upon elapse of a predetermined standby time in the absence of instructions regarding recording or playback. HDD malfunctions due to penetration of dust etc.

Abstract: In one embodiment of the present invention, a quantum entangled photon-pair producing device is disclosed which includes a superposed state generating device for generating a superposed state of photon-pairs entering through N (N?2) different incident optical paths and being composed of photons having different polarization directions, and a light-guide device for separating the photon-pairs entering through the N (e.g. N is two) incident optical paths into photons having a first polarization direction (e.g. horizontally polarized light) and those having a second polarization direction (e.g. vertically polarized light) and guiding the photons having the first polarization direction and entering through the i-th (1?i?N) (e.g. the first) incident optical path and photons having the second polarization direction and entering through the (N?i+1) (e.g. the second) incident optical path to the i-th (e.g. the first) exit optical path through optical paths having the same optical path length.

Abstract: A method of manufacturing a semiconductor device includes the steps of: exposing a semiconductor surface of a substrate; annealing the substrate in a hydrogen atmosphere at a hydrogen pressure between 200 Torr and 760 Torr and a temperature between 1000° C. and 1050° C. to planarize the exposed semiconductor surface; and forming a gate insulator film on the planarized semiconductor surface.

Abstract: An encryptor is provided for encrypting AV data sent from an interface. A controller controls recording of the encrypted AV data by controlling a recorder for recording the encrypted AV data in a magnetic disk. The recorder is controlled by the controller so as to reproduce the data recorded on the disk. A decrypter decrypts the reproduced data that is sent to the interface.

Abstract: An encryptor is provided for encrypting AV data sent from an interface. A controller controls recording of the encrypted AV data by controlling a recorder for recording the encrypted AV data in a magnetic disk. The recorder is controlled by the controller so as to reproduce the data recorded on the disk. A decrypter decrypts the reproduced data that is sent to the interface.