Abstract: A testing method for testing a jointed condition of a first ferrule holding an edge of an optical waveguide and a second ferrule holding an edge of an optical fiber, includes: dipping the first ferrule and the second ferrule that are jointed to each other into coolant so that the optical waveguide and the optical fiber are optically connected; heating the coolant; cooling the coolant after the heating; inputting a light to one of the optical waveguide and the optical fiber after cooling the coolant, and detecting a light output from the other.

Abstract: There is provided a camera that includes a body and two or more kinds of groups of contacts provided on the body. The two or more kinds of groups of contacts are configured to be coupled to respective two or more kinds of lenses that include different lens-side mounts.

Abstract: An optical engine includes a substrate provided with terminals configured to connect to a connector provided on another substrate, a light receiver/emitter mounted on the substrate, and a cover covering the substrate. The light receiver/emitter is any one of a light receiver, a light emitter, and an element having functions of both the light receiver and the light emitter.

Abstract: An optical engine includes a substrate provided with terminals configured to connect to a connector provided on another substrate, a light receiver/emitter mounted on the substrate, and a cover covering the substrate. The light receiver/emitter is any one of a light receiver, a light emitter, and an element having functions of both the light receiver and the light emitter.

Abstract: An optical module includes an optical waveguide configured to propagate light, an optical connector connected to the optical waveguide, an optical cable connected to the optical connector, a housing accommodating the optical waveguide and the optical connector, a cable clamp cover connected to the housing and covering the optical cable, and a cable boot connected to the cable clamp cover. The material of the cable clamp cover is harder than the material of the cable boot.

Abstract: An optical connector includes a first connector and a second connector configured to be mated to the first connector. The first connector includes a plate having an opening, a substrate stacked on the plate, and an adapter having an opening and connected to the plate. The second connector includes a housing and a ferrule configured to connect to an optical fiber. The ferrule is provided in the housing to project from the housing to have an end of the ferrule exposed outside the housing. The ferrule is inserted in the openings when the first connector and the second connector are mated together.

Abstract: To improve general versatility regarding a disk cartridge. A disk conveyor apparatus includes: a disk holder that holds at least a part of a disk cartridge in which disk-shaped recording media are accommodated inside a case body in a state where the disk-shaped recording media are accommodated, and is moved in at least a direction of a center axis of the disk-shaped recording media; a movement mechanism that causes the disk holder to move in the direction of the center axis of the disk-shaped recording media; and a feeder mechanism that feeds the disk-shaped recording media toward a disk drive apparatus from the case body, the disk holder being capable of holding different types of disk cartridges, a movement position of the disk holder being set by operating the movement mechanism in accordance with the type of the disk cartridge.

Abstract: An optical connector for detachable coupling to a cage includes a case having a guide portion and a pull-tab movably attached to the case, wherein the pull-tab includes an arm made of an elastic material and configured to slide on the guide portion of the case to be elastically deformed upon the pull-tab being moved in a removal direction in which the optical connector is uncoupled from the cage, and wherein moving the pull-tab in the removal direction relative to the case against an elastic force applied by the arm causes the pull-tab to disable a lock that secures the case to the cage.

Abstract: An optical module for connecting a photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.

Abstract: An optical connector includes an optical waveguide, a ferrule base including an attaching part to which the optical waveguide is bonded with an adhesive, and a ferrule cover attached to the ferrule base to cover the attaching part. The ferrule base further includes a preventing part that is formed on the attaching part and prevents leakage of the adhesive from the ferrule base.

Abstract: Provided is a method enabling easily determining the color characteristics of the print medium, and enabling a printer to print according to the color characteristics of the print medium. An information processing system 1 enables printing based on media properties information for a particular print medium by dividing the ranges of values three parameters in the HSV color space, hue, saturation, and value, can take into multiple intervals; assigning an interval name to each interval; using a specific combination of the interval names for the three parameters as media properties information; using the media properties information to identify a particular piece in a media piece group dividing the HSV color space based on print medium dependency; and printing on the print medium based on the media properties information for the specific print medium.

Abstract: An optical module includes an optical waveguide configured to propagate light, an optical connector connected to the optical waveguide, an optical cable connected to the optical connector, a housing accommodating the optical waveguide and the optical connector, a cable clamp cover connected to the housing and covering the optical cable, and a cable boot connected to the cable clamp cover. The material of the cable clamp cover is harder than the material of the cable boot.

Abstract: There is provided a camera that includes a body-side mount. The body-side mount includes a first reference plane, has a first flange back distance from the first reference plane to an imaging plane, and allows an adapter to be mounted on the first reference plane. The adapter includes a second reference plane, and has a second flange back distance from the second reference plane to the imaging plane. The second flange back distance is shorter than the first flange back distance.

Abstract: An optical module for connecting photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.

Abstract: An optical connector includes a board including an element that performs conversion between an electric signal and light, a first ferrule and a second ferrule that are butted against each other, an optical waveguide that optically connects the first ferrule with the element, and a guide that guides the optical waveguide disposed between the first ferrule and the element.

Abstract: An optical module for connecting a photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.

Abstract: An optical module for connecting photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.

Abstract: An optical connector includes a first connector and a second connector configured to be mated to the first connector. The first connector includes a plate having an opening, a substrate stacked on the plate, and an adapter having an opening and connected to the plate. The second connector includes a housing and a ferrule configured to connect to an optical fiber. The ferrule is provided in the housing to project from the housing to have an end of the ferrule exposed outside the housing. The ferrule is inserted in the openings when the first connector and the second connector are mated together.

Abstract: An optical waveguide module includes an optical waveguide sheet including multiple optical waveguides, and a light-emitting device and a light-receiving device each positioned over a surface of the optical waveguide sheet. At least one of the optical waveguides includes a first mirror, a second mirror, and a slit. The first mirror is configured to reflect light entering the corresponding optical waveguide from its first end to the light-receiving device or to reflect light emitted from the light-emitting device toward the first end of the corresponding optical waveguide. The second mirror is configured to reflect light entering the corresponding optical waveguide from its second end toward the surface of the optical waveguide sheet. The slit is provided between the second mirror and the second end of the corresponding optical waveguide. The corresponding optical waveguide is discontinuous across the slit.

Abstract: An optical module for connecting a photoelectric conversion device on a substrate to a ferrule connected to an optical fiber includes a body configured to be mounted on the substrate, a first lens disposed on the body at a side thereof connectable to the ferrule, a second lens disposed on the body at a side thereof facing the substrate, and a core disposed in the body between the first lens and the second lens, wherein a refractive index of the core is higher than a refractive index of the body.