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31results about How to "Easy to alter" patented technology

Light-emitting diode (LED) blackboard based on pressure sensor

The invention discloses a light-emitting diode (LED) blackboard based on a pressure sensor. A transparent writing protection layer, an LED displaying layer and a pressure sensor layer are sequentially arranged from outside to inside. The blackboard further comprises a piezoelectric overlapping signal conversion module and a central processing unit. The pressure sensor layer is connected with the central processing unit through the piezoelectric overlapping signal conversion module, and the central processing unit is connected with the LED displaying layer. A pressure signal generated by writing is exerted on the pressure sensor layer under the transfer effects of the transparent writing protection layer and the LED displaying layer sequentially. The pressure sensor layer transmits the collected pressure signal to the piezoelectric overlapping signal conversion module, the piezoelectric overlapping signal conversion module generates a corresponding digital control signal and transmits the digital control signal to the central processing unit, and the central processing unit controls displaying of the LED displaying layer through the digital control signal. The blackboard is convenient to use, capable of displaying written content clearly and solving the light reflecting problem and free of dust pollution. The content can be modified and cleared conveniently and quickly.
Owner:WUXI LAIJITE INFORMATION TECH

Antifouling coating composition, antifouling coating film, antifouling substrate, and method for improving storage stability of antifouling coating compositions

In one aspect, the invention has an object of providing antifouling coating compositions which have high resistance to fouling, in particular, fouling by slime, can form coating films with excellent properties such as strength and rubber properties, exhibit appropriate viscosity (sprayability and coating film surface leveling properties during spray coating) and sagging resistance, and have high storage stability suppressing deteriorations of these properties. To achieve the object, the invention provides an antifouling coating composition including (A) a diorganopolysiloxane having at least two silanol groups in the molecule, (B) an organosilane and / or a partial hydrolyzate condensate thereof having at least two hydrolyzable groups in the molecule, and (C) a pyrithione metal salt. The antifouling coating composition can be prepared from a kit in the form of a multiple-component system including respective packages of a component including the component (A) and the component (C), and a component including the component (B). In the (kit for the preparation of the) antifouling coating composition, the pyrithione metal salt (C) functions as an effective ingredient for achieving excellent antifouling properties, in particular, anti-sliming properties, and also as an effective ingredient for improving storage stability.
Owner:CHUGOKU MARINE PAINTS

Drawing device used for construction budget drawing

The invention provides a drawing device used for construction budget drawing, and belongs to the technical field of drawing tools. The device is used during construction budget drawing. According to the technical scheme, the drawing device is characterized in that a work table is a rectangular box, a protecting flip cover is positioned on the upper surface of the work table, the rear end of the protecting flip cover is in hinging connection with the rear end of the work table through a rotation shaft, support legs are mounted at the two ends at the lower side of the work table, the support legat each end is U-shaped, the middles of the two support legs cross and are connected through a folding rotation shaft, two moving rolling wheels are mounted on the two sides of one end of the work table, a front storing box is mounted on the front end face of the work table and a side storing box is mounted on the end face of one side of the work table, the front storing box and the side storingbox are in sliding fit with slideways, and a chargeable inside power supply is mounted inside the work table. The drawing device is simple in structure and convenient and stable in use, the work environment is improved, folding and movement are available, then the device is suitable for different work occasions, meanwhile, the device can be used for storing various drawing tools, and thus the usedemand for drawing mapping of construction budget of workers is satisfied.
Owner:TANGSHAN IRON & STEEL GROUP +2
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