Lang, Christian

An easy-to-assemble tri-proof lamp (100) includes a lamp cover (1), a light source board (2), a first end cap (3), a second end cap (4), a sliding plate (5), and a wiring terminal (6). The lamp cover (1) has a hollow chamber (10). The two ends of the lamp cover (1) respectively have a first opening (11) and a second opening (12) in communication with the chamber (10). The light source board (2) is disposed in the chamber (10). The first end cap (3) covers the first opening (11). The first end cap (3) has a receiving portion (32) extending into the chamber (10) and a guide slot (33) in the receiving portion (32). The second end cap (4) covers the second opening (12). The sliding plate (5) is disposed in the receiving portion (32), and one surface of the sliding plate (5) has a latch portion (53) engaged with the guide slot (33). The wiring terminal (6) is disposed in the receiving portion (32) and connected to the other surface of the sliding plate (5).

A window cleaning machine includes a base, a walking device, a cleaning device, an air extraction device, a first primary scraper, and a driving module. The walking device propels the window cleaning machine to move on a surface. The cleaning device includes a suction cup, and the suction cup and the surface are configured to form an enclosed space to enable the window cleaning machine to move on the surface without falling due to gravity. The air extraction device is configured to generate negative pressure in the enclosed space. A first primary scraper is located on a first side of the base. The driving module is connected to the first primary scraper to control the first primary scraper to switch between an operating state of contacting the surface and a separated state of being away from the surface to adapt to different operation conditions.

The present invention relates to a method of correcting placement errors on and/or optical transmission errors of a photolithographic mask (1) for a projection exposure apparatus for microlithography comprising a substrate (2) and photolithographic imaging structures (3,23) formed on the substrate, in which method a laser beam (5,25) is used to introduce into the substrate (2) a plurality of local density variations each defining a pixel (4,24), in order to correct placement errors of the structures and/or optical transmission errors, wherein the pixels are introduced in at least two separately arranged pixel arrangement regions which are arranged outside a centre plane (8) of the substrate (2,22) or the mask (1,20), the pixels (4, 24) being arranged in the pixel arrangement regions in such a way that, with a defined correction of placement errors on and/or of optical transmission errors of the mask (1, 20), an undesired change in shape of the mask (1, 20) is minimised by the introduction of the local density changes..

A prompting method of sitting posture adjustment for a mobile assistive device includes: receiving pressure values of pressure sensors of a pressure detection module; summing up the pressure values of all the pressure sensors to generate a total pressure value; calculating a ratio of each of the pressure values of the pressure sensors to the total pressure value as a pressure reference value; comparing, by the controller, the pressure reference value with a pressure threshold value; and, by the controller, controlling the prompting unit on the mobile assistive device to provide a different prompt according to a different comparison result between the pressure reference value and the pressure threshold value, so as to prompt whether the sitter's sitting posture should be adjusted.

A label antenna structure suitable for the curved surfaces of liquid containers, comprising a deformed loop (2) surrounding a first slit (5). The deformed loop (2) includes a loop gap (20), a first electrical connection terminal (21), and a second electrical connection terminal (22), with the first electrical connection terminal (21) and the second electrical connection terminal (22) being separated by the loop gap (20). The structure also includes a single-arm radiating plate (3), with one end of the arm of the single-arm radiating plate (3) being connected to the deformed loop (2); a second slit (4), which separates the unconnected portion between the deformed loop (2) and the single-arm radiating plate (3), with one end of the second slit (4) having an open circuit structure (40); and an RFID chip electrically connected between the first electrical connection terminal (21) and the second electrical connection terminal (22).

The present invention provides an active inductive impedance enhancement circuit applied to a power line path. It utilizes a closed-loop control technique to detect residual high-frequency signals on the power line and generates a compensation current injected into the secondary side of the main inductor accordingly. The invention actively suppresses high-frequency current flowing through the main inductor, thereby significantly enhancing its impedance against high-frequency noise.

A superabsorbent polymer and a method of forming the same are provided. The method includes performing a free radical polymerization reaction to a superabsorbent polymer component to obtain a colloid gel. The colloid gel is sheared by using a pulverizer to obtain superabsorbent polymer particles. A blade and a perforated plate are disposed at an outlet of the pulverizer, in which a section of the blade is a parallelogram, and the perforated plate has several holes. The method further includes performing a surface crosslinking reaction to the superabsorbent polymer particles to obtain the superabsorbent polymer. Therefore, a surface porosity, an absorption rate and a liquid conductivity of the obtained superabsorbent polymer can be increased.

A method for determining the articulation angle between the tractor unit and semi-trailer of an articulated vehicle using images is provided. At least one image capture device is mounted on a lateral side of the tractor unit. An image processing device receives an image taken by the image capture device, generates the corresponding 2D image, sets as a feature point a semi-trailer area that is on the same side as the image capture device, and generates data entries including different articulation angles referencing the feature point and the corresponding image coordinates of the feature point. When the vehicle turns in a direction corresponding to the lateral side, the image processing device recognizes, and obtains the horizontal coordinate of, the feature point in a current 2D image and derives the articulation angle from at least two of the data entries that include horizontal coordinates closest to the feature point's current one.

An oxygen permeable contact lens is provided. The oxygen permeable contact lens has a convex arcuate outer lens surface and a concave arcuate inner lens surface on the reverse side of the outer lens surface. The contact lens is provided with at least one oxygen permeable hole which is drilled by a laser linearly penetrating the outer lens surface and the inner lens surface, thereby increasing the air permeability and oxygen permeability of the contact lens by means of the oxygen permeable hole. When wearing the contact lenses, the eyeballs can be supplied with oxygen through the oxygen permeable hole in time and the circulation of tears and moisture can be enhanced, alleviating eye dryness, stabbing pains, and other discomforts and thereby improving the wearing comfort of the contact lens. Thus, a reduction of infection risks for the eyes can be achieved, ensuring a wearing safety. When using eye drops or artificial tears, the moistening effect of the eyeballs can be achieved through the oxygen permeable hole, and the convenience of soothing the eyeballs is also achieved.

A leak-proof contact lens case is provided. The contact lens case consists of a main body, a lid, and a contact lens holder. The main body is provided with an opening, a receptacle, and a first fitting part. The lid has an outer upper surface, an inner upper surface, a rim, and a second fitting part. A vent and a tube are arranged in the middle of the inner upper surface. A first threaded portion is formed on the inner periphery of the tube. The vent comprises a first hole segment penetrating the inner upper surface and a second hole segment penetrating the outer upper surface, whereby the first hole segment is pinhole-sized and the second hole segment is distinctly larger than the first hole segment. The contact lens holder is provided with a base and two storage covers, whereby a shank protrudes from the centre of one end of the base and is provided with a second threaded portion on its outer periphery.