摘要:
The present invention intends to increase the type of a light source that can be determined by widening a range of an identification resistance value. The power source device is connected to a light radiation device which is equipped with: a light source having one or a more LEDs; and an identification resistance whereof the resistance value differs for each type of the light source. The power source device comprises: an identification resistance determination circuit having a voltage dividing resistance connected in series to the identification resistance; and a control unit for measuring the divided voltage applied to the voltage dividing resistance, determining the type of the light source based on the divided voltage value, and controlling the power to the light source according to the type thereof. The identification resistance determination circuit has a plurality of switchable voltage dividing resistances are provided, each having a different resistance value.
摘要:
An object is to provide a sealant composition for electrical and electronic parts that has excellent light resistance, heat resistance, heat shock resistance, and gas barrier properties, and an LED device using the same, and the composition contains a polyvalent metal compound containing a metallic element capable of having an ionic valance of 2 or more and a fluororesin including a functional group capable of forming a metal crosslink with the metallic element contained in the polyvalent metal compound.
摘要:
In order to make it possible for a difference between a defect and a normal part, such as contrast, to appear, a lighting device for inspection is provided with: a surface light source that emits inspection light; a lens that is provided on a light axis of the inspection light emitted from the surface light source, and between an inspection object and the surface light source; and a first diaphragm that is provided between the lens and the surface light source or the inspection object, wherein: the surface light source and the lens are set such that an image plane on which the surface light source is imaged is present near the inspection object; and the first diaphragm is set such that the central axis of an irradiation solid angle determined by a part of the inspection light is parallel to the light axis.
摘要:
An object of the present invention is to provide plant cultivator for research purposes for finding the optimum cultivation environment for plants, using LEDs as light source and a control system therefor. An illumination window 6 is provided in top face 5a of a cabinet body 2 surrounded by thermally insulating walls. In addition, an LED illumination element 16 is arranged in this illumination window 6 and in the vicinity of LED illumination element 16, there is provided LED control means that controls the LED illumination element 16. In addition, in cabinet body 2, there are provided at least some of a growth detection sensor that detects the state of growth of the plants, cultivation environment monitoring means that monitors the cultivation environment of the plants and cultivation environment generating means that generates the cultivation environment; and cultivation environment control means is provided that controls the cultivation environment generating means.