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191results about How to "Eliminate adhesion" patented technology

Priori analysis based iterative method for segmenting characters of licence plate

The invention relates to a priori analysis based iterative method for segmenting characters of a licence plate. Method comprises the following steps of: firstly, preprocessing the image of the licence plate, segmenting the preprocessed image of the licence plate by utilizing the vertical projection method, calculating the parameter of each character block, and carrying out preliminary screening according to the parameters; secondly, carrying out binaryzation on the characters processed by preliminary screening by utilizing the threshold value iteration method, calculating the priori knowledgecontained by each character block according to the standard licence plate system, and obtaining the characters processed by secondary screening; and thirdly, calculating the quantity of blocks of thecharacters processed by secondary screening, calculating the width of characters of the licence plate and the mean width of all characters under the condition that set conditions are met, and determining whether ultimate characters can be obtained or not according to the two parameters, or carrying projection again when the set conditions are not met. The method reduces the requirement on positioning accuracy of the licence plate, overcomes the adverse effects due to a complex background, eliminates the common segmentation results of conglutination, breakage and the like of the other methods,and further improves the accuracy of segmentation.
Owner:HANGZHOU DIANZI UNIV

Method and system for vacuum conveying of bulk material and computer program product

The invention relates to a method for vacuum conveying bulk material in a vacuum conveying system (1) which comprises: a plurality of tubes (2-6) for conveying bulk material, at least some of said tubes having flexible walls (71), a vacuum blower (10) disposed at a first end of said vacuum conveying system (1) for generating a conveying gas flow within said vacuum conveying system (1), a bulk material discharging section (22, 23) for discharging bulk material into said vacuum conveying system (1), and a bulk material receiving section (8, 9) communicating with said vacuum blower (10), for receiving bulk material conveyed by said gas flow from said bulk material discharging section (22, 23). According to the invention, the method comprises the steps of: disconnecting said vacuum blower (10) from said vacuum conveying system (1); and applying pressurized gas to said vacuum conveying system (1) or at least to a subsection thereof for stretching or inflating said flexible walls (71) to thereby reduce adherence of bulk material to said flexible walls (71). Other aspects of the invention relate to a corresponding vacuum conveying system, to a controlling device and a computer program product for controlling the vacuum conveying system in accordance with the above method steps.
Owner:SUN CHEM CORP

Process for producing super-double-thinning surface for metal corrosion protection and oil stain self-cleaning

The invention relates to a method for preparing a super-amphiphobic material, in particular to an electromechanical preparation method of a super-amphiphobic surface with stain self-cleaning effect used for metal corrosion prevention. The method comprises the following steps: a metal or metal alloy base material is washed cleanly to remove stains and pollutants on the surface of the metal or metal alloy base material; perfluorinated aliphatic acid organic electrolytic solution with concentration of 0.001-0.1mol/L is prepared; the clean metal or metal alloy base material and copper metal or copper alloy base material are respectively used as a cathode and an anode to be arranged into the perfluorinated aliphatic acid organic electrolytic solution; 0.5 to 25V voltage is applied between the cathode and the anode for electrochemical reaction; and a perfluorinated aliphatic acid nantokite super-amphiphobic surface layer with stain self-cleaning effect used for metal corrosion prevention is deposited on the surface of the metal or metal alloy base material used as the cathode. The method has the advantages of simple operation and low requirement of equipment, is not limited by substrate shape, is easy for industrialization, and has quite wide practical value.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Medicine dispensing device for automatically dispensing tablets

The invention discloses a medicine dispensing device for automatically dispensing tablets comprising a medicine supply system, a sorting system and a control system; the medicine supply system comprises multiple medicine supply units; the sorting system comprises a negative pressure medicine fetching machine and a visual verification mechanism; the negative pressure medicine fetching machine is provided with a negative pressure suction nozzle which is used for sucking up tablets; the negative pressure suction nozzle sucks single tablet from the medicine supply units; the visual verification mechanism photographs images of tablets and sends the images to the control system; the device also comprises a medicine dispensing buffer region and a medicine discarding buffer region; the medicine dispensing buffer region is used for receiving expected tablets and the medicine discarding buffer region is used for receiving unexpected tablets. The device of the invention uses negative pressure suction principle to guarantee that the object of each suction is a single tablet. The visual verification mechanism photographs images of tablets after the negative pressure suction nozzle successfully sucks tablets, identifies the types, quantity and integrity of tablets. The device greatly simplifies procedures of taking various kinds of medicines for people; the device fills the gap that there is no household automatic oral medicine placing device currently; the device is reliable, simple and efficient, etc.
Owner:马朴存

Connection line finished product die-cutting anti-adhesion device of die-cutting machine

ActiveCN102039694AOvercoming the Insufficiency of Manual Handling of AdhesionAvoid Quality AccidentsContainer making machineryPulp and paper industryPaper sheet
The invention discloses a connection line finished product die-cutting anti-adhesion device of a die-cutting machine, which is used for performing subsequent separation on a die-cutting finished product of a cigarette-brand small box. Cams connected to a connecting rod are symmetrically arranged on machine frames on two sides of a waste removing part of the die-cutting machine; an upper frame and a lower frame are fixed on the connecting rod respectively; a sponge strip is adhered to the upper frame, and the upper frame is provided with an upper thimble mounting seat; an upper thimble with a spring is arranged in the upper thimble mounting seat; the lower frame is provided with a lower thimble mounting seat; a lower thimble is arranged in the lower thimble mounting seat; and a wood waste removing plate with holes is fixed on the machine frame, and is arranged between the upper frame and the lower frame. When the cigarette-brand small box after die cutting passes through the waste removing plate with the holes, a machine runs to drive the upper frame to move downwards, the sponge strip presses paper sheets, the upper thimble ejects an easy-adhesion part of a finished product downwards, the lower frame moves upwards at the same time, and the lower thimble ejects the easy-adhesion part of the finished product upwards, so the paper sheets on two sides of a die line are separated under the action of different forces. The connection line finished product die-cutting anti-adhesion device of the die-cutting machine can effectively realize automation of adhesion processing to ensure that the parts which cannot be cut through by die cutting are separated automatically, thereby putting an end to quality accidents caused by machine jamming in the process of packaging finished product cigarettes.
Owner:襄阳金飞环彩色包装有限公司
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