Abstract: An imaging lens includes a first group, a second group, an aperture stop, a third group, and a fourth group. The second group includes one positive lens. The third group includes two positive lenses and one negative lens. At least two of the third group are joined together to form a compound lens. The imaging lens has a fixed focal length and an angle of view of 120 degrees or more. Conditional expressions (1), (2), (3), and (4) below are satisfied: ?2.7?f1/f??0.7??(1) 2.2?f2/f?6.6??(2) 3.9?f3/f?14.3??(3) 2.8?f4/f?11.0??(4) where fi denotes focal length of i-th group with respect to a d-line, i denotes one of 1 to 4, and f denotes focal length of an entirety of the imaging lens with respect to the d-line.

Abstract: A light emitting sealed body includes: a housing which stores a discharge gas and is provided with a first opening to which first light is incident along a first optical axis and a second opening from which second light is emitted along a second optical axis; a first window portion which hermetically seals the first opening; and a second window portion which hermetically seals the second opening. The housing is formed of a light shielding material which does not transmit the first light and the second light. An internal space is defined by the housing, the first window portion, and the second window portion and the internal space is filled with the discharge gas. The first opening and the second opening are disposed so that the first optical axis and the second optical axis intersect each other.

Abstract: A management system includes a plurality of resources configured to be electrically connected to an external power supply, and a management device configured to manage the resources. The management device includes a planning unit and a management unit. The planning unit is configured to determine a power balancing plan of each of the resources by using first information on a use schedule of each of the resources and second information indicating a magnitude of an environmental load in a process of generating electric power to be supplied by the external power supply. The management unit is configured to manage the resources to cause each of the resources to operate according to the power balancing plan or a modified power balancing plan in power balancing of the external power supply.

Abstract: To provide electrolytic manganese dioxide excellent in low rate characteristics and middle rate characteristics when used as a cathode material for alkaline manganese dry cells, and a method for its production. Electrolytic manganese dioxide of which the apparent density is at least 4.0 g/cm3 and at most 4.3 g/cm3, and the mode particle size is at least 30 ?m and at most 100 ?m; a method for its production and its application.

Abstract: An input device includes: a plurality of input members; an upper surface having a right region in which a part of the plurality of input members is disposed, a left region in which another part of the plurality of input members is disposed, and a center region that is a region between the right region and the left region; and a light emitting region formed along an outer edge of the center region. The light emitting region includes a first light emitting portion configured to indicate identification information assigned to a plurality of input devices connected to an information processing apparatus, and a second light emitting portion configured to emit light based on information different from the identification information.

Abstract: An electric compressor includes: a compression part; an electric motor; an inverter; a housing including a plurality of housing forming members made of metal; a seal member that has an insulation property and is provided between the housing forming members adjacent to each other; and a potential equalization member that is made of metal and is in contact with both the adjacent housing forming members to equalize potentials of the adjacent housing forming members. The adjacent housing forming members include mating surfaces, respectively. An insertion hole is formed in one of the mating surfaces of the adjacent housing forming members, at a position in which the seal member is not provided. The potential equalization member includes an insertion portion inserted into the insertion hole, and a contact portion that is a plate portion extending in a gap between the mating surfaces and is in contact with both the mating surfaces.

Abstract: A sliding door driving device is fixed to a body panel of a vehicle and operates a sliding door of the vehicle in an opening direction and a closing direction. The sliding door driving device includes an elongated guide frame, a first driven pulley and a second driven pulley that are rotatably supported at both ends in a longitudinal direction of the guide frame, a belt that is wound around the first driven pulley and the second driven pulley, and a cover that covers the belt. The cover has an upper wall that covers the belt from above, an outer wall that extends downward from an outer end of the upper wall in a width direction of the vehicle, and an inner wall that extends downward from an inner end of the upper wall in the width direction.

Abstract: A vehicle opening and closing body driving device includes an annular driving belt including a coupling portion coupled to an opening and closing body of a vehicle and configured to be rotationally driven, and a guide frame having a sliding contact surface with which the driving belt is in sliding contact and extending in an opening and closing operation direction of the opening and closing body. The sliding contact surface is provided with a low sliding resistance portion having a plurality of recessed portions.

Abstract: An opening and closing body drive device for a vehicle includes a belt frame, plural driven pulleys, a belt wounded around the plural driven pulleys and fixed with a connector with respect to an opening and closing body, a drive unit provided with an output shaft including a rotary axis which extends in a different direction from a rotary axis of each of the plural driven pulleys, and a drive pulley connected to the output shaft of the drive unit. The drive pulley includes a rotary axis extending in the different direction from the rotary axis of each of the plural driven pulleys while extending in the same direction as the rotary axis of the output shaft. The drive pulley is wound with the belt which is twisted between the driven pulleys arranged at opposing sides of the drive pulley in a circumferential direction of the belt.

Abstract: A vehicular slide door apparatus includes a guide rail forming a sliding path. A cutout portion in a side wall portion of the sliding path forms an insertion opening for a guide roller. The apparatus includes a fixing portion at a first end portion in the cutout portion, a positioning portion at a second end portion in the cutout portion, a closing member that includes a fixed end fixed to the fixing portion and a free end positioned by the positioning portion and that closes the insertion opening, and a fulcrum forming portion forming a rotation fulcrum for the closing member. The fulcrum forming portion generates biasing force of displacing the free end outward. The free end is positioned in contact against the positioning portion located on an outer side of the sliding path. Thereby, the free end and the side wall portion form a continuous sliding contact surface.

Abstract: A displacement detection device is capable of stably and accurately detecting an amount of displacement. A polarization maintaining fiber has a length not to be equal to a length obtained by dividing, a product of an integral multiple of twice a length of a resonator times a refractive index of the resonator and a beat length obtained from a difference between propagation constants of two polarization modes, by a wavelength of the light source, is selected from a range including a length equal to the above length. The polarization maintaining fiber includes multiple polarization maintaining fibers fitted to each other by removable connectors.

Abstract: Provided is a sliding door drive device enabling suppression of bulging against a body panel being a fixing target. The sliding door drive device includes a long guide frame, a first driven pulley and a second driven pulley being supported at both ends of the guide frame in a longitudinal direction, respectively, a belt being wrapped around the first driven pulley and the second driven pulley, and a belt drive part driving the belt. The guide frame includes a guide wall guiding the belt between the first driven pulley and the second driven pulley. The sliding door drive device further includes a sliding plate being placed at a position sandwiching the belt with an inner side of a curved part of the guide wall, and sliding on the driven belt.

Abstract: A roller unit to which a cable end of a cable pulled by a door actuator is attached moves with a slide door along a guide rail on a vehicle body, and includes: a coupling part coupled to the slide door; a guide roller supported by the coupling part and moving along the guide rail; a guide pin fixed to the coupling part and inserted into the cable end; and a fastener fastening the cable end to the guide pin. A recess is formed toward an end of the guide pin. An external diameter of the end of the guide pin is smaller than an internal diameter of the shaft hole of the cable end. The fastener includes a supporting part supporting the cable end and a protrusion part engaged with the recess.

Abstract: An opening and closing body drive device for a vehicle includes a belt frame, plural driven pulleys, a belt wounded around the plural driven pulleys and fixed with a connector with respect to an opening and closing body, a drive unit provided with an output shaft including a rotary axis which extends in a different direction from a rotary axis of each of the plural driven pulleys, and a drive pulley connected to the output shaft of the drive unit. The drive pulley includes a rotary axis extending in the different direction from the rotary axis of each of the plural driven pulleys while extending in the same direction as the rotary axis of the output shaft. The drive pulley is wound with the belt which is twisted between the driven pulleys arranged at opposing sides of the drive pulley in a circumferential direction of the belt.

Abstract: An opening and closing body drive device for a vehicle opening and closing an opening and closing body of the vehicle includes a belt frame extending in a moving direction of the opening and closing body, a drive unit including an output shaft, a drive pulley connected to the output shaft of the drive unit, plural driven pulleys arranged spaced apart from each other in a longitudinal direction of the belt frame, a belt wounded around the drive pulley and the plural driven pulleys and fixed with a connector with respect to the opening and closing body, and a biasing member supported at the belt frame and pressing the belt from inward thereof.

Abstract: An imaging lens includes a first group, a second group, an aperture stop, a third group, and a fourth group. The second group includes one positive lens. The third group includes two positive lenses and one negative lens. At least two of the third group are joined together to form a compound lens. The imaging lens has a fixed focal length and an angle of view of 120 degrees or more. Conditional expressions (1), (2), (3), and (4) below are satisfied: ?2.7?f1/f??0.7??(1) 2.2?f2/f?6.6??(2) 3.9?f3/f?14.3??(3) 2.8?f4/f?11.0??(4) where fi denotes focal length of i-th group with respect to a d-line, i denotes one of 1 to 4, and f denotes focal length of an entirety of the imaging lens with respect to the d-line.

Abstract: The invention corresponds to wide signal period with simple structure by providing a relative position detection means for optically detecting a relative position of displacement of an object to be measured in a measuring direction. The invention includes a target mounted on the object to be measured and irradiated with light from a light source; a light receiver for detection of a relative position for receiving light by changing polarization state of reflected light at the target with respect to the light; and a relative position information output unit for outputting relative position information based on displacement of the target in the measuring direction. The target may include a reflector mounted on the object to be measured and a plurality of birefringent members provided on the reflector and having a thickness changing from a tip to a base end along the measuring direction.

Abstract: Example position detection means and displacement detection devices are described. A relative position detection means optically detects a relative position of displacement of an object to be measured in a measuring direction, including a target mounted on the object to be measured and irradiated with light from a light source; a light receiver for detection of relative position for receiving light by changing polarization state of reflected light at the target with respect to the light; and a relative position information output unit for outputting relative position information based on displacement of the target in the measuring direction based on change of polarization state of the reflected light. The target includes a reflector mounted on the object to be measured and a birefringent member on the reflector and having a thickness changing from a tip to a base end along the measuring direction.

Abstract: A roller unit to which a cable end of a cable pulled by a door actuator is attached moves with a slide door along a guide rail on a vehicle body, and includes: a coupling part coupled to the slide door; a guide roller supported by the coupling part and moving along the guide rail; a guide pin fixed to the coupling part and into which the cable end with a shaft hole is inserted; and a fastener retaining the cable end inserted in a leading end of the guide pin. A recess is formed toward a guide pin axial line at the leading end. An external diameter of the leading end is smaller than an internal diameter of the shaft hole. The fastener includes a supporting part supporting the cable end inserted into the leading end, from the leading end side, and a protrusion part engaged with the recess.

Abstract: A displacement detection device is capable of stably and accurately detecting an amount of displacement. A polarization maintaining fiber has a length not to be equal to a length obtained by dividing, a product of an integral multiple of twice a length of a resonator times a refractive index of the resonator and a beat length obtained from a difference between propagation constants of two polarization modes, by a wavelength of the light source, is selected from a range including a length equal to the above length. The polarization maintaining fiber includes multiple polarization maintaining fibers fitted to each other by removable connectors.