Abstract: The present application provides a detection apparatus and a control system, wherein the detection apparatus comprises a passive infrared sensor and a Fresnel lens provided on the passive infrared sensor, and wherein the detection apparatus further comprises a rotation unit, the rotation unit being capable of driving the passive infrared sensor and the Fresnel lens to rotate together. The detection apparatus of the present application can be used for controlling lamplight, air conditioner, heating and ventilation in a building or can be used for security, etc.

Abstract: The present application provides a detection apparatus and a control system, wherein the detection apparatus comprises a passive infrared sensor and a Fresnel lens provided on the passive infrared sensor, and wherein the detection apparatus further comprises a rotation unit, the rotation unit being capable of driving the passive infrared sensor and the Fresnel lens to rotate together. The detection apparatus of the present application can be used for controlling lamplight, air conditioner, heating and ventilation in a building or can be used for security, etc.

Abstract: A sensor assembly for a passenger conveying device, a safety system and the passenger conveying device, wherein the sensor assembly comprises an optical fiber disposed along a length of a skirt board of the passenger conveying device; a light source disposed at a first end of the optical fiber, light being incident into the optical fiber; and an optical receiver disposed at the first end of the optical fiber, the optical receiver receiving backwards scattered light from the optical fiber and being capable of sensing a signal indication of the backwards scattered light, wherein the optical fiber is associated with a sensing element such that the sensing element causes deformation of the optical fiber when the sensing element is subjected to pressure, and the optical receiver is capable of sensing a change in the signal indication of the backward scattered light caused by the deformation of the optical fiber.

Abstract: A sensor assembly for a passenger conveying device, a safety system and the passenger conveying device, wherein the sensor assembly comprises an optical fiber disposed along a length of a skirt board of the passenger conveying device; a light source disposed at a first end of the optical fiber, light being incident into the optical fiber; and an optical receiver disposed at the first end of the optical fiber, the optical receiver receiving backwards scattered light from the optical fiber and being capable of sensing a signal indication of the backwards scattered light, wherein the optical fiber is associated with a sensing element such that the sensing element causes deformation of the optical fiber when the sensing element is subjected to a-pressure, and the optical receiver is capable of sensing a change in the signal indication of the backward scattered light caused by the deformation of the optical fiber.