Abstract: A detection device detecting collapse of PM collected in a filter provided in an exhaust system flow path of an internal combustion engine includes: a differential pressure sensor configured to acquire a differential pressure between an exhaust inlet side and an exhaust outlet side of the filter; a water generation determination unit configured to determine whether water is generated in the exhaust system flow path; and a PM collapse determination unit configured to determine that at least a part of the PM collected in the filter has collapsed when a PM accumulation amount estimated based on the acquired differential pressure has increased by a predetermined amount or more within a predetermined period in a state where the PM accumulation amount estimated based on the acquired differential pressure is equal to or larger than a predetermined first threshold and the water generation determination unit has determined that water is generated.

Abstract: Pressure measurement system has inside a main body to be mounted on an object to be measured: a sensor section; a control section processing an input from the sensor section and outputting a predetermined signal; a vacuum gauge provided with power supply circuit sections for providing the control section and the sensor section with power; and a terminal device being connectable to the control section, through a communication line, in a manner to be freely communicated with each other and being capable of supplying the power circuit section with power. The vacuum gauge is arranged to be able to judge the power supply from the terminal device to the control section. When power is supplied from the terminal device to the control section, the control section and the terminal device are connected together through the communication line so as to be freely communicated with each other.

Abstract: Pressure measurement system has inside a main body to be mounted on an object to be measured: a sensor section; a control section processing an input from the sensor section and outputting a predetermined signal; a vacuum gauge provided with power supply circuit sections for providing the control section and the sensor section with power; and a terminal device being connectable to the control section, through a communication line, in a manner to be freely communicated with each other and being capable of supplying the power circuit section with power. The vacuum gauge is arranged to be able to judge the power supply from the terminal device to the control section. When power is supplied from the terminal device to the control section, the control section and the terminal device are connected together through the communication line so as to be freely communicated with each other.

Abstract: An optical sensor system includes an optical sensor head having a light-emitting device and a detector which detects light emitted from the light-emitting device, and a calculator circuit. The light-emitting device includes a resonator which includes a first reflective surface, a second reflective surface facing the first reflective surface, and a waveguide provided between the first reflective surface and the second reflective surface. At least one metal microparticle capable of exciting surface plasmon is formed on the first reflective surface. The calculator circuit calculates an environment parameter at the first reflective surface on the basis of a detected value from the detector.

Abstract: The invention intends to accurately measure a concentration of an object. An optical sensor (1) includes a detection light source (10) that emits measuring light, a light detection unit (40) that detects light intensity of the measuring light, which has been changed due to a change in optical characteristics of an object detection member (20), and a reference light source (11) that emits reference light. Light intensity of the reference light is detected by the light detection unit (40) without being affected by the change in the optical characteristics of the object detection member. The two light sources are arranged under the same environment.

Abstract: An optical sensor system is provided which can be used not only as an ordinary light source, but also to calculate an environmental parameter. Rear surface outgoing light (31) output from a rear surface (21) of a semiconductor laser (10) is used in a process of calculating an environmental parameter by control and arithmetic device (60) to, while front surface outgoing light (30) output from a front surface (20) is used in an application other than the calculation of the environmental parameter.

Abstract: Provided is a sensing system that has a long life span. The sensing system includes a first detector (1) and a second detector (2) that detect at least one type of detection target which is included in a first concept which is common to both of detection targets, and which is included in a subordinate concept of the first concept; and a controller (3) that controls, according to a detected value from any one of the first detector (1) and the second detector (2), start, stop, or a detection condition of detection operations of the other detector.

Abstract: An optical sensor system is provided which can be used not only as an ordinary light source, but also to calculate an environmental parameter. Rear surface outgoing light (31) output from a rear surface (21) of a semiconductor laser (10) is used in a process of calculating an environmental parameter by control and arithmetic device (60) to, while front surface outgoing light (30) output from a front surface (20) is used in an application other than the calculation of the environmental parameter.

Abstract: The invention intends to accurately measure a concentration of an object. An optical sensor (1) includes a detection light source (10) that emits measuring light, a light detection unit (40) that detects light intensity of the measuring light, which has been changed due to a change in optical characteristics of an object detection member (20), and a reference light source (11) that emits reference light. Light intensity of the reference light is detected by the light detection unit (40) without being affected by the change in the optical characteristics of the object detection member. The two light sources are arranged under the same environment.

Abstract: An optical sensor system includes an optical sensor head having a light-emitting device and a detector which detects light emitted from the light-emitting device, and a calculator circuit. The light-emitting device includes a resonator which includes a first reflective surface, a second reflective surface facing the first reflective surface, and a waveguide provided between the first reflective surface and the second reflective surface. At least one metal microparticle capable of exciting surface plasmon is formed on the first reflective surface. The calculator circuit calculates an environment parameter at the first reflective surface on the basis of a detected value from the detector.

Abstract: A television (1) includes a projection position specifying unit (151, 156) that determines a position at which an image used for input, with which a user performs an input operation, is to be projected onto a projection surface of an object to be projected onto, based on an operation by the user, which indicates the position, or a physical change generated in conjunction with the operation, and an image analysis unit (154) that specifies a position instructed by the user with respect to the image used for input, which is projected onto the projection surface.

Abstract: An optical sensor head detects only the refractive index inside a through hole and is not susceptible to influence from the outside of the through hole. An optical sensor head includes a light emitting device 2 in which a first reflection surface 4, a second reflection surface 5 that opposes the first reflection surface 4 and a waveguide 6 provided between the first reflection surface 4 and the second reflection surface 5 are formed; a light blocking film 7 in which a through hole 8 for generating near-field light is provided, and that is formed on the first reflection surface 4; and a detector 3 that detects the light intensity of light emitted from the light emitting device 2 through the second reflecting surface 5. The opening area of the through hole 8 on the emission surface 7b of the light of the light blocking film 7 is larger than the opening area of the through hole 8 on the opposing surface 7a of the light blocking film 7 opposing the first reflection surface 4.

Abstract: User convenience of data whose duplication is restricted and data created by utilizing the data is improved. An information recording device (10) is capable of recoding information onto an RE layer (22) of an optical disk (1), and includes a recording and replay control section (54) for recording, onto the RE layer (32), duplication-restricted information utilization information (32) created by utilizing duplication-restricted information (31) whose duplication onto a different optical disk is restricted.

Abstract: Provided is an information reproduction device (10) that is connected to the content providing device (30) via the communication network (60).

Abstract: An image watching glasses identification device 10 (or 20 or 30) is an image watching glasses identification device 10 (or 20 or 30) for identifying a pair of shutter glasses 400 through which to watch an image displayed on a display device 100, the image watching glasses identification device 10 (or 20 or 30) including: an identification information obtaining section 15 for obtaining an identification information item for identifying the pair of shutter glasses 400 and; a display control section 12 for causing the display device 100 to display an identification result associated with the identification information item obtained by the identification information obtaining section 15. This makes it possible to provide an image watching glasses identification device that is capable of causing, when a viewer watches through the pair of image watching glasses 400 the image displayed on the display device 100, the display device 100 to display the identification result.

Abstract: User convenience of data whose duplication is restricted and data created by utilizing the data is improved. An information recording device (10) is capable of recoding information onto an RE layer (22) of an optical disk (1), and includes a recording and replay control section (54) for recording, onto the RE layer (32), duplication-restricted information utilization information (32) created by utilizing duplication-restricted information (31) whose duplication onto a different optical disk is restricted.

Abstract: A photoelectric conversion device comprises a photoelectric conversion layer; a plurality of structures made of a dielectric substance; and a medium layer for transmitting light interposed between the photoelectric conversion layer and the structures or between the structures, or both, wherein the plurality of structures and the medium layer satisfy ndie>nmed and Dave×nmed/?max<0.3, wherein ?max is a maximal sensitivity wavelength at which the sensitivity of the photoelectric conversion layer to light energy is maximal, nmed is a refractive index of the medium layer at the wavelength ?max, ndie is a refractive index of the structures at the wavelength ?max, and Dave is an average of shortest distances between an light exposure surface of the photoelectric conversion layer and the structures.

Abstract: An information recording device in accordance with the present invention obtains drive information of a semiconductor laser which is included in a magnetic head by means of a drive information obtaining section and successively records the information in a drive information storing section. A magnetic head control section controls the magnetic head in accordance with a condition of the semiconductor laser on the basis of the drive information thus obtained by the drive information obtaining section.

Abstract: A rotation transmission device includes an outer ring having an inner periphery and an inner ring mounted inside the outer ring and having an outer periphery. A control retainer and a rotary retainer are disposed between opposed surfaces of the outer ring and the inner ring, and each of the retainers has a flange and bridges provided at the radially outer side of the respective flange and arranged circumferentially alternately with the bridges of the other retainer thereby defining pockets between the adjacent bridges. The control retainer is axially slidably and rotatably supported and the rotary retainer is axially immovably and rotatably supported. An electromagnetic clutch is mounted on a torque transmission shaft and includes an electromagnet having an electromagnetic coil, the electromagnetic clutch being configured to axially move the control retainer when the electromagnetic coil is energized and deenergized.

Abstract: Provided is an information reproduction device (10) that is connected to the content providing device (30) via the communication network (60).