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69results about How to "Avoid regulation" patented technology

Device to control or regulate the basis weight of a paper or cardboard web

Paper or cardboard machine and method for regulating a basis weight of a paper or cardboard web in the manufacturing process. The paper or cardboard machine includes at least one headbox that extends across a machine width. The at least one headbox is adapted to provide a machine-wide distribution of a material suspension onto one of a screen and between two screens. The machine also includes at least one material suspension supply coupled to the at least one headbox and adapted to supply a material suspension to the at least one headbox. The at least one material suspension supply has at least one concentration. At least one first control loop is provided that includes at least one actuator being adapted to adjust the at least one concentration of the at least one material suspension supply, at least one detector for determining a basis weight of a finished web, at least one supply being adapted to modify the at least one concentration of the at least one material suspension supply, and at least one device that adjusts the at least one actuator. In this manner, the at least one concentration of the at least one material suspension supply is adjusted. At least one second control loop is provided that is adapted to regulate the concentration of the material suspension supply. The method includes determining a basis weight at an end of the manufacturing process, calculating a deviation of the determined basis weight from a predetermined target value, adjusting a concentration of a material suspension supplied to a headbox via a first control loop such that the calculated deviation is corrected, one of directly and indirectly measuring a basis weight of a resulting web in a region upstream, with regard to a web travel direction, a drying section, and supplying a signal related to the measured basis weight to a second control loop.
Owner:VOITH SULZER PAPIERMASCHEN GMBH

Data security interaction method based on host characteristic confusion

The invention relates to a data security interaction method based on host characteristic confusion, and relates to a method for realizing data interaction through exposure of different host fingerprint information carried by an interaction data packet to the opposite party according to a predefined rule in an open network environment by employing a home-terminal host fingerprint confusion pool bytwo communication parties. According to the method, a host fingerprint communication byte substitution list is pre-stored in two communication terminals, a plurality of heterogeneous containers are generated to dynamically construct the host fingering confusion pool, an information source triggers the corresponding heterogeneous container in the confusion pool to generate the data packet carryingspecific host fingerprint information for reply according to a data request, and an information sink analyzes and replies the fingerprint information and obtains final data by employing the substitution list. According to the method, interaction data is hidden in various standard and ordinary protocol host fingerprint characteristics, any service information is not represented, and data security interaction of two communication parties is guaranteed.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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