The present disclosure sets forth a motion sensing outdoor security light with the flexibility of being mounted to either a wall structure or to an eave or ceiling structure. An adjustable spherical motion sensor housing may be provided with the rotationally adjustable outdoor security light, allowing easy adjustment of motion detection ranges under different mounting schemes without comprising the aesthetic design of the light. The adjustable spherical motion sensor housing may also provide an enlarged horizontal field of view for better performance.

This application provides a structure of the optical sensor, in which a photosensitive element is arranged on a substrate, a colloid layer is arranged on the upper part of the substrate and covers the photosensitive element, and a thin film is further arranged. The device includes an adhesive layer and a light-transmitting layer, the adhesive layer is disposed above one of the colloid layers, the light-transmitting layer is disposed above one of the adhesive layers, and the structure can be used to provide the film member that can be changed according to requirements The optical design reduces the production cost of the optical sensor; this application further provides a shielding layer between the film member and the colloid layer to improve the photosensitive efficiency of the optical sensor.

An electro-optical assembly, in particular a sensor assembly for detecting ambient light, includes a reflection surface, a lens body and an electro-optical component, in particular a light receiver. The component includes a depression having a main lens section, in particular a diverging lens section with a concave interior wall, and a converging lens section with a convex interior wall. The interior wall of the converging lens section is formed in such a way that the rays of the ray path which travel through the converging lens section to the electro-optical component hit the reflection surface in such way that the angle of incidence at the reflection surface is larger or the same as the critical angle of the total internal reflection at the reflection surface. In another aspect a method for detecting ambient light is described.

A complex optical proximity sensor includes a substrate, a light emitter coupled to the substrate, an application-specific integrated circuit chip coupled to the substrate with a proximity sensor thereon, a barrier disposed between the application-specific integrated circuit chip and the light emitter, and an ambient light detection chip manufactured in advance and then coupled to the application-specific integrated circuit chip thereon with a pre-determined height. Also, with the manufacturing method of the complex optical proximity sensor, the detection angle of the ambient light is thereby maximized and the one of the proximity sensor is thereby minimized.

An embodiment of present application discloses a light sensing module for use with a reflector. The light sensing module includes a housing, an optical transceiver, and a shading hood. The housing includes a through hole. The optical transceiver includes a light source, a light sensor, and a separating wall. The light source is disposed in the housing for emitting a first light. The first light can pass through the housing via the through hole, and be reflected as a second light by the reflector. The light sensor is disposed in the housing for receiving the second light. The separating wall is disposed between the light source and the light sensor. The shading hood is located at a position corresponding to the light sensor, and has an opening positioned in an optical path of the second light.

An optical sensing circuit has a plurality of optical sensing units arranged so that the optical sensing circuit is ambient light insensitive or sensitive to light within certain spectrum. The sensitive spectra corresponding to the plurality of optical sensing units are different from one another.

First and second filter magazines in each of which plural filters having different transmission wavelengths from each other are arranged in a row are provided, and the first and second filter magazines are arranged next to each other in one direction. A light detection unit in which plural photomultipliers of first and second photomultipliers, each of which detects light that has passed through at least one of the filters included in the first and second filter magazines, are arranged in the arrangement direction of the filters is provided, and the light detection unit is placed in the one direction in such a manner to be parallel to the first and second filter magazines. The apparatus is configured in such a manner that the first and second filter magazines and the light detection unit are movable in the arrangement direction of the filters.

Embodiments of the present invention include a device for removing energy from a beam of electromagnetic radiation. Typically, the device can be operatively coupled to a turbidity measuring device to remove energy generated by the turbidity measuring device. The device can include a block of material having one of a plurality of different shapes coated in an energy absorbing material. Generally, the device can include an angled or rounded energy absorbing surface where the beam of electromagnetic radiation can be directed. The angled or rounded energy absorbing surface can configured to deflect a portion of the beam of electromagnetic radiation to a second energy absorbing surface.

A measurement system for measuring blood characteristics includes a controller, an emitter, a sensor, and a reference sensor. The emitter emits light at a plurality of wavelengths from a first side of a blood flow channel to a second side of the blood flow channel. The sensor is provided on the second side of the blood flow channel. The reference sensor is provided on the first side of the blood flow channel. The controller compensates measurements from the sensor based upon measurements from the reference sensor. The reference sensor may be disposed in a position to increase noise immunity of the measurement system. The measurement system may be connected to or part of a dialysis system.

An object of the present invention is to provide a photosensor lens which, in the case of using a plurality of light emitting elements to form a reflective photosensor, can maximize the efficiency of light irradiation of the light emitting elements with a simple structure. Provided is a photosensor lens configured to condense irradiation light from a plurality of light emitting elements 2 housed in a unit case 1 in a detection region 3 outside the unit case 1, and to condense reflected light from the detection region 3 at a light receiving element 4 in the unit case 1. A single convex lens surface 5 is formed on one side of the photosensor lens, and a light-receiving convex lens surface 6 sharing an optical axis with the single convex lens surface 5, and a plurality of light-emitting convex lens surfaces 7 each having an optical axis in parallel with the optical axis of the light-receiving convex lens surface 6 are integrally formed on the opposite side of the photosensor lens.