Abstract: A projection optical system applicable to a head-up display device mounted on an automobile includes an image generation unit, a first reflection unit, a light splitting device, a first lens, a second reflection unit, and a second lens that are successively arranged in a light exit direction; and a controller configured to control, based on timing, an image emitted from the connected image generation unit and light exiting from the connected light splitting device. When the image generation unit emits the first image, the light exits only from the light reflection side of the light splitting device, such that the first image is emitted and imaged through the first lens. When the image generation unit emits the second image, the light exits only from the light transmission side of the light splitting device, such that the second image is emitted and imaged through the second lens.

Abstract: A projection optical system applicable to a head-up display device mounted on an automobile includes an image generation unit, a first reflection unit, a double-telecentric lens, a light splitting device, a second reflection unit, a first lens, a third reflection unit, and a second lens that are successively arranged in a light exit direction. The light splitting device is arranged on an image side of the telecentric lens. The image generation unit is capable of simultaneously emitting light beams including image information of a first image and a second image in different contents. In response passing through the first reflection unit, the double-telecentric lens, and the light splitting device, the light beam of the first image exiting from the second reflection unit is projected and imaged, and the light beam of the second image exiting from the third reflection unit is projected and imaged.

Abstract: A projection optical system applicable to a head-up display device mounted on an automobile includes an image generation unit, a first reflection unit, a double-telecentric lens, a light splitting device, a first lens, a second reflection unit, and a second lens that are successively arranged in a light exit direction; and a controller connected to the image generation unit and the light splitting device. The light splitting device with sector shape top view arranges on an image side of the double-telecentric lens. When the image generation unit emits a first image, the light splitting device swings to a first angle, such that the first image is emitted and imaged through the first lens and when the image generation unit emits a second image, the light splitting device swings to an initial position, such that the second image is emitted and imaged through the second lens.

Abstract: A projection optical system applicable to a head-up display device mounted on an automobile includes an image generation unit, a first reflection unit, a light splitting device, a first lens, a second reflection unit, and a second lens that are successively arranged in a light exit direction; and a controller configured to control, based on timing, an image emitted from the connected image generation unit and light exiting from the connected light splitting device; wherein the top view of the light splitting in disc shape includes transmission region and reflection region. The light exits only from the reflection region during the image generation unit emitting the first image and exits only from the transmission region during the image generation unit emitting the second image, such that the first image and the second image are emitted and imaged through the first lens and the second lens.

Abstract: An online automatic measurement system for a claw-pole overall magnetic property comprising: a feeding part, a claw-pole overall magnetic property measurement unit, and a discharging part disposed in sequence, and a robotic arm disposed there among. The robotic arm receives an operation instruction output by a control unit to grab claw poles to be measured in sequence and removes measured claw poles on the claw-pole overall magnetic property measurement unit. The claw-pole overall magnetic property measurement unit outputs a control power supply to the claw-pole overall magnetic property measurement unit according to the instruction of the control unit, receives an induction current of the measured claw poles, and output a measurement result to the control unit.

Abstract: A flame lamp made of filament lamps, comprises a fixing device, a controller and one or a plurality of LED filament lamps, wherein the LED filament lamps are fixedly installed on the fixing device and electrically connected with the controller, and the controller is used for controlling the light emitting frequency and pulse brightness of the LED filament lamps. Each LED filament lamp comprises at least two light source arrays from top to bottom, wherein the light emitting frequencies and/or the pulse brightnesses of at least two light source arrays are different. Each LED filament lamp is vertically arranged, and the upper end and the lower end of each LED filament lamp are fixedly connected with the fixing device. Various specific assembly methods are provided.

Abstract: Provided are roofing granules, such as algaecidal roofing granules, methods for making them and their use in roofing products. In one aspect, the disclosure provides an algaecidal roofing granule that comprises an ion-exchanged zeolite disposed within the binder, wherein the ion-exchanged zeolite comprises algaecidal ions.

Abstract: A method for creating a lighting effect by two segments on one filament, comprising a first fluorescent rubber strip and a second fluorescent rubber strip installed by butting, and a chip support arranged between the first fluorescent rubber strip and the second fluorescent rubber strip; a plurality of LED chips are evenly arranged on the chip support, and the LED chips are in positive and negative parallel connection with each other by conducting wires; and metal wire lugs are installed at both ends of the chip support. Compared with the prior art, the method can be applied to some special application scenarios, such as a light which can illuminate without a drive. By arranging the LED chips in positive and negative inverse parallel connection on the same light-emitting filament, light emitting by two or more segments on one filament or light emitting at intervals is realized, so that non-polar light emitting of the filament is realized.

Abstract: A light-shielding frame and an LED display device are provided and respectively has excellent light-shielding performance and optical display performance. The light-shielding frame includes a retaining wall and hollow grids; the retaining wall includes first and second retaining walls connected in a stacked manner along a light-emitting direction of the grids, and each grid includes first and second grid portions. The thickness of the first retaining wall decreases from one end thereof close to the second retaining wall to the other end thereof distant from the second retaining wall to form a first draft angle; the thickness of the second retaining wall decreases from one end thereof close to the first retaining wall to the other end thereof distant from the first retaining wall to form a second draft angle; the first retaining wall has the same thickness as the second retaining wall in the connection position thereof.

Abstract: One aspect of the disclosure is roofing shingle including a shim layer having a top surface, a first side edge, and a second side edge positioned opposite the first side edge. The roofing shingle also includes a top shingle layer at least partially laminated to the top surface of the shim layer, where the top shingle layer includes a first side edge offset a sidelap distance from the first side edge of the shim layer such that a side portion of the top surface of the shim layer is exposed, and a second side edge extending beyond the second side edge of the shim layer so as to overlap the second side edge of the shim layer by the sidelap distance.

Abstract: A magnetic performance measuring device for serialized claw-pole generator rotors is consisted with: an excitation power supply turn-on mechanism, a rotor magnetic field detecting mechanism, a measuring position adjusting mechanism and a pressing mechanism that are successively and fixedly arranged, wherein the rotor magnetic field detecting mechanism including a detection box, a positioning base, an adjusting ring, a shaft sleeve and a serialized grooved magnetic conduction ring that are successively arranged in the detection box, and the adjusting ring and the shaft sleeve are used to position different models of tested rotors to achieve a serialized measurement.

Abstract: The present disclosure relates generally to roofing products, for example, suitable for use covering and protecting the roofs of structures. The present disclosure relates more particularly to a roofing product including an upper section and an exposed section. The roofing product includes a substrate having a top surface and a bottom surface, and a plurality of zones of roofing granules disposed on the top surface of the substrate. The plurality of zones includes first, second and third zones within the exposed section. The first zone includes a first collection of algae-resistant roofing granules and has a first algae-resistance intensity. The second zone includes a second collection of algae-resistant roofing granules and has a second algae-resistance intensity. The third zone has a third algae-resistance intensity that is different from the first algae-resistance intensity.

Abstract: A light source system and a projection apparatus are provided. The light source system includes a first light source, a second light source including a second blue laser light source, a wavelength conversion element configured to convert second blue laser light into excited light, and a controller. The first light source includes a first blue laser light source configured to emit first blue laser light, a red laser light source configured to emit red laser light, and a green laser light source configured to emit green laser light. The controller controls the first and second blue laser light sources, the red laser light source, and the green laser light source to combine the first blue laser light, the red laser light, and the green laser light to form light source light, or to combine the first blue laser light and the excited light to form the light source light.

Abstract: The present disclosure relates generally to roofing products, for example, suitable for use covering and protecting the roofs of structures. The present disclosure relates more particularly to a roofing product including an upper section and an exposed section. The roofing product includes a substrate having a top surface and a bottom surface, and a plurality of zones of roofing granules disposed on the top surface of the substrate. The plurality of zones includes first, second and third zones within the exposed section. The first zone includes a first collection of algae-resistant roofing granules and has a first algae-resistance intensity. The second zone includes a second collection of algae-resistant roofing granules and has a second algae-resistance intensity. The third zone has a third algae-resistance intensity that is different from the first algae-resistance intensity.

Abstract: An antifouling dispersant composition having an alcohol polyoxyethylene (EO) ether (EO number 1-14), represented by the general formula (I), wherein R is an alkyl with about 3-20 carbon atoms; and n is 1-14.

Abstract: Systems and methods for night vision combining sensor image types. Some implementations may include obtaining a long wave infrared image from a long wave infrared sensor; detecting an object in the long wave infrared image; identifying a region of interest associated with the object; adjusting a control parameter of a near infrared sensor based on data associated with the region of interest; obtaining a near infrared image captured using the adjusted control parameter of the near infrared sensor; and determining a classification of the object based on data of the near infrared image associated with the region of interest.

Abstract: Methods and compositions for inhibiting carbonyl-based fouling of basic wash systems. The methods comprise contacting the hydrocarbon stream that is or will be subjected to such washing with water soluble or water dispersible copolymers comprising repeat units of 1) ethylenically unsaturated monomers such as acrylic acid with one or more 2) other repeat units such as alkyl acrylates, allyl ethers, ethoxylated allyl repeat units, etc. In other embodiments, a third repeat unit 3) is present and may comprise a hydrophobic moiety such as a styrene repeat unit. The compositions may be terpolymers comprising repeat units 1), 2), and 3).

Abstract: Systems and methods for night vision combining sensor image types. Some implementations may include obtaining a long wave infrared image from a long wave infrared sensor; detecting an object in the long wave infrared image; identifying a region of interest associated with the object; adjusting a control parameter of a near infrared sensor based on data associated with the region of interest; obtaining a near infrared image captured using the adjusted control parameter of the near infrared sensor; and determining a classification of the object based on data of the near infrared image associated with the region of interest.

Abstract: An online automatic measurement system for a claw-pole overall magnetic property comprising: a feeding part, a claw-pole overall magnetic property measurement unit, and a discharging part disposed in sequence, and a robotic arm disposed there among. The robotic arm receives an operation instruction output by a control unit to grab claw poles to be measured in sequence and removes measured claw poles on the claw-pole overall magnetic property measurement unit. The claw-pole overall magnetic property measurement unit outputs a control power supply to the claw-pole overall magnetic property measurement unit according to the instruction of the control unit, receives an induction current of the measured claw poles, and output a measurement result to the control unit.