Abstract: A cap attachable to an optical connector including a ferrule and a housing that slidably houses the ferrule, includes: a body part configured to attach to the optical connector and configured to cover a connecting end face of the ferrule projecting from the housing and a side surface of the ferrule projecting from the housing; a housing contact part configured to contact the housing inside the body part; and a ferrule contact part configured to contact the side surface of the ferrule in a state where the housing contact part is in contact with the housing.

Abstract: A composition including a lamellar gel phase contains a first nonionic surfactant having hydrophobic moieties respectively on both sides of a hydrophilic moiety. The first nonionic surfactant constitutes at least a portion of the lamellar gel phase. A content by percentage of higher aliphatic alcohols or higher fatty acids is 1% by mass or less relative to the mass of the composition.

Abstract: An optical fiber pitch conversion jig for converting a pitch among optical fibers by inserting the optical fibers from a first end of the optical fiber pitch conversion jig and making the optical fibers protrude from a second end of the optical fiber pitch conversion jig, the optical fiber pitch conversion jig includes: a groove portion including grooves extending from the first end to the second end, a first linear part on a side closer to the first end and in which a pitch among the grooves is a first pitch, and a pitch change part that is continuous with the first linear part and in which the pitch widens to a second pitch larger than the first pitch. In the pitch change part, at least one of the grooves is curved.

Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.

Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.

Abstract: An optical-fiber-attached ferrule includes: an optical fiber hole into which an optical fiber is inserted and fixed with a first adhesive; and an adhesive-filling section including an opening surface and an opposed surface opposite the opening surface. The adhesive-filling section is filled with a second adhesive that is softer than the first adhesive with an end surface of the optical fiber positioned closer to the opposed surface than to the opening surface.

Abstract: An oil-in-water emulsion cosmetic comprising: an anionic surfactant (A) having a sulfonic acid group in a molecule, a partially-crosslinked or crosslinked dimethylpolysiloxane (B), an animal/plant-derived or chemically synthesized oily component (C) that is solid at 25° C., and a silicone oil (D) having a kinematic viscosity at 25° C. of 100 cSt or less.

Abstract: An optical-fiber-attached ferrule includes: an optical fiber hole into which an optical fiber is inserted and fixed with a first adhesive; and an adhesive-filling section including an opening surface and an opposed surface opposite the opening surface. The adhesive-filling section is filled with a second adhesive that is softer than the first adhesive with an end surface of the optical fiber positioned closer to the opposed surface than to the opening surface.

Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.

Abstract: A purpose of the present invention is to provide an oil-in-water emulsion composition that is stable even when using solid oils from which it was conventionally considered to be difficult to form large oil-based particles exceeding 50 ?m, and also improving the uniformity of the particle sizes and the shapes of the oil-based particles. The present invention relates to an oil-in-water emulsion composition in which oil-based particles containing a solid oil, a liquid oil and a powder are dispersed in a water phase, wherein: the oil-based particles have an average particle size of 50 ?m to 10 mm; and the powder is contained inside the oil-based particles.

Abstract: A cleaning tool that cleans an optical connector includes an adhesive body that contacts an optical signal region of the optical connector where an optical signal enters and is emitted from the optical connector; and a base that holds the adhesive body. The base includes a first protrusion on a holding surface of a holding part that holds the adhesive body. The first protrusion is disposed at a rear side of a section of the adhesive body and is in contact with the optical signal region.

Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.

Abstract: A solid or semi-solid water-in-oil type emulsion cosmetic has a hardness that can be balm-like, the cosmetic has an excellent moisturizing effect, exhibiting upon use a unique sensation of blending as if melting when applied to skin, and is capable of stably incorporating a water-soluble or hydrophilic drug. A water-in-oil type emulsion cosmetic contains: (A) an organically modified clay mineral; (B) a surfactant having an HLB of no more than 6; (C) a wax; (D) a silicone elastomer; (E) a volatile oil; and (F) water.

Abstract: A cleaning tool for cleaning a plurality of optical connectors where the cleaning tool includes: an adhesive portion that is integrally formed with the cleaning tool and that contacts a plurality of connecting end faces of the optical connectors collectively. The plurality of optical connectors are inserted into and connected with one housing that is fitted with another housing. The adhesive portion is disposed on the other housing. The adhesive portion contacts the connecting end faces collectively by fitting the one housing with the other housing.

Abstract: An oil-in-water emulsion cosmetic using an ultramicroemulsion that is excellent in transparency and high in viscosity is provided. The oil-in-water emulsion cosmetic includes: (A) 10 to 50% by mass of an ultramicroemulsion including the following (a1) and (a2): (a1) is an anionic surfactant, and (a2) is a linear higher alcohol having 16 or more carbon atoms that can form an ?-gel in water in combination with (a1); (B) 0.2 to 2% by mass of a stearoxy hydroxypropyl methyl cellulose having the following formula (1); and (C) 0.1 to 1% by mass of a nonionic surfactant.

Abstract: A ferrule that holds an end part of an optical fiber includes a fiber hole into which the optical fiber is inserted and an upper wall part and a lower wall part that define a hollow adhesive filling part, where the lower wall part faces the upper wall part. The adhesive filling part is filled with an adhesive applied between the optical fiber inserted in the fiber hole and an inner wall surface of the adhesive filling part. The upper wall part has an upper opening through which the adhesive passes into the adhesive filling part, and the lower wall part has a lower opening that ventilates the adhesive filling part to outside of the ferrule.

Abstract: An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.

Abstract: A ferrule structure includes: a ferrule body including a guide hole that accepts insertion of a guide pin, and a fiber hole that accepts insertion of an optical fiber and that is disposed in an opening surface of the ferrule body; and a lens plate including a guide hole that accepts insertion of the guide pin, a lens part, and an abutment surface that abuts an endface of the optical fiber. A recess is disposed in at least one of the ferrule body and the lens plate. A matching material filling gap, that is to be filled with a refractive index matching material, is formed with the recess, between the opening surface of the ferrule body and the abutment surface of the lens plate.