58results about How to "Achieve erasure" patented technology

The embodiment of the invention provides a handwriting input method, a handwriting input device, a handwriting input system and a receiver. The method comprises the following steps of: calculating the X axis position information of a light spot acquired by using at least one optical positioning sensor and the Y axis position information of the light spot acquired by the at least one optical positioning sensor to obtain the coordinate information of the light spot, wherein the optical positioning sensor comprises a complementary metal oxide semiconductor (CMOS) optical positioning sensor; acquiring the planar track data of the light spot according to the coordinate information; and transmitting the planar track data to the receiver, so that a control host computer acquires corresponding handwritten information or wipes the handwritten information according to the planar track data received by the receiver. Due to the adoption of the method, the device, the receiver and the system, inputting of the handwritten information and wiping of corresponding information by a user can be realized simply, conveniently and correctly and the cost is saved.

The invention provides a liquid crystal display panel and a display method and a display assembly thereof and belongs to the technical field of display. Through the liquid crystal display panel, the problem that an existing electronic tablet cannot achieve the effect of erasing specified content information at a specified position can be solved. According to the liquid crystal display panel, by exerting pressure on or heating a partial position of a first substrate, a cholesteric liquid crystal corresponding to the position is switched between a plane state and a focal conic state, and therefore write-in of information and erasing of the specified information are realized. According to the liquid crystal display panel, an upper electrode and a lower electrode are not needed, so that the material cost and the process cost are greatly lowered. The liquid crystal display panel is simple in structure and convenient to use and has a huge application prospect in the fields of tablets, intelligent cards and the like.

The invention provides an intelligent flexible liquid crystal blackboard capable of realizing one-key erasing and local erasing. The blackboard comprises a shell, an infrared touch screen and a flexible writable liquid crystal screen of which the shape is matched with the shape of the infrared touch screen, wherein the infrared touch screen comprises a border, a PCB (Printed Circuit Board) control board arranged in the border, and a main control panel arranged on the lower part of the boarder; and the surface of the main control panel is provided with a network state lamp, a work indication lamp, a power-on indication lamp, a battery electric quantity lamp, a saving key, an erase key and a power key and also comprises a main control chip, a power, a boosted circuit unit, a voltage stabilizing circuit unit, a memory, an SD (Secure Digital) card, a wireless transmitting unit, a 74HC595 chip and a bridge type driving circuit unit, wherein the main control chip, the power, the boosted circuit unit, the voltage stabilizing circuit unit, the memory, the SD card, the wireless transmitting unit, the 74HC595 chip and the bridge type driving circuit unit are arranged in the main control panel. The design has the advantages of good use effect, relatively simple structure and principle, convenience in operation, easiness in handling and relatively low energy consumption and is suitable for popularization and use on a large scale.

The invention discloses a photovoltaic panel cleaning tool assembly, and relates to the technical field of surface cleaning. The photovoltaic panel cleaning tool assembly comprises a working platform, a conveying belt is rotatably arranged on the working platform, and the working platform is sequentially provided with a glue scraping device, an ash cleaning device, a water spraying device, a water guide device, a drying device and a wiping device in the feeding direction of the conveying belt. The problems that the surface of a photovoltaic panel is prone to cracking due to rigid contact between a glue cleaning part and the surface of the photovoltaic panel in the prior art; a film is adhered to other surfaces of the photovoltaic panel or adhered to the glue cleaning part, so that operators need to clean the film and the glue cleaning part subsequently; the number of times of contact with the surface of the photovoltaic panel is low, so that the wiping effect is common, and a filtering assembly needs to be frequently disassembled and cleaned; cleaning liquid is prone to flowing into all parts of a cleaning tool, and the cleanliness of the working environment is affected; and due to the fact that a drying assembly is low in efficiency, the drying time is prolonged are solved.

The invention is aimed to stabilize the erasing operation and to increase the erasing speed in a data erasing method of a nonvolatile semiconductor memory device. Unnecessary pulse applying operations are eliminated by performing verify-operation before pulse applying operations.

The invention relates to the technical field of leather processing, and concretely relates to a leather brush-off finishing processing technology. The technology comprises: mixing water, a surfactant EUDERM F1LL E121060, a brightener ISODERM LA81, a brightener ISODERM LA86, butyl acetate and a dye solution, stirring uniformly, conveying to spraying equipment; flattening to-be processed leather, utilizing the spraying equipment to spraying the leather, ironing at 100 DEG C, and utilizing a polishing cloth wheel to perform polishing processing; and repeating the above operation for 2-3 times. The leather brush-off finishing processing technology is capable of enabling the leather surface is partially brushed off, so that double-color of multi-color effect with different deep degree is formed, the processed leather is high in beautiful degree, and the maintenance time is long.

The invention provides a physical isolation device and a data transmission method. The physical isolation device comprises a CD recorder electrically connected to an internal network server, a CD wiper, a CD reader electrically connected to an external network server, a carrier vehicle and a rewritable CD disposed on the carrier vehicle. The CD recorder, the CD wiper and the CD reader are arrangedat intervals along the circumferential direction of the physical isolation device. The carrier vehicle is provided with a motor for driving the rewritable CD to rotate. The rewritable CD is located on the carrier vehicle. The CD recorder, the CD wiper and the CD reader each include a mounting cavity and a passage for the carrier vehicle to pass through. A CD driver is arranged in the mounting cavity. A through hole for the cooperation of the CD driver and the rewritable CD is arranged under the mounting cavity. The carrier vehicle successively passes the passage of the CD recorder, the passage of the CD reader, and the passage of the CD wiper to realize one data transmission. Because it is not necessary to repeatedly take the CD and put the CD and the CD driver does not need to start therotation of the rewritable CD, the data transmission efficiency is improved.

The invention relates to the field of dust collectors, and in particular provides a brush head. The brush head comprises a shell, a water tank and a connector, wherein an air suction channel is arranged in the shell, and the air suction channel comprises a first flow channel and a second flow channel not communicating with each other; the water tank is detachably connected to the shell, a third flow channel is arranged in the water tank, when the water tank is connected with the shell, one end of the third flow channel communicates with the other end of the first flow channel, and the other end of the third flow channel communicates with the other rend of the second flow channel; and the connector can be detachably connected with the shell, when the water tank is not connected with the shell, the connector is connected on the shell so that the other end of the first flow channel communicates with the other end of the second flow channel through the connector. The brush head has the dryand wet integrated function, meanwhile, the rapid switchover of the dry type function and the wet type function can be realized, the brush head does not need to be replaced, so that the user experience is improved, and the cost is reduced.

The present invention provides a non-volatile semiconductor memory and the manufacturing method thereof. The non-volatile semiconductor memory adopts a nanometer single crystal silicon floating gate to realize single-electron storage, and nanometer single crystal silicon ion in the nanometer single crystal silicon floating gate is high in density and strong in storage capacity. The manufacturing method of the non-volatile semiconductor memory comprises that: a tunnel oxide layer is formed on a semiconductor matrix; a nanometer single crystal silicon layer is formed on the tunnel oxide layer; the nanometer single crystal silicon layer is formed by nanometer single crystal silicon particles in knoll shape; an interlayer dielectric layer covering the nanometer single crystal silicon layer is formed; a polysilicon layer is formed on the interlayer dielectric layer; the polysilicon layer is patterned to form a control grid; the interlayer dielectric layer is patterned to form a barrier oxide layer; the nanometer single crystal silicon layer is patterned to form a floating gate; the semiconductor basal plate is intermingled to form a separate source electrode and a drain electrode; the tunnel oxide layer is patterned to form a thin gate oxide.

The embodiment of the invention discloses (a) processing equipment and method of a display module, and the display module. The processing equipment of the display module comprises an image generator which comprises a first interface and a second interface; a lighting adapter plate which is electrically connected with the first interface, and used for transmitting a display signal and a power supply signal sent by the image generator; and a measuring point clamp whose one end is electrically connected with the second interface. The measuring point clamp is used for transmitting a memory erasinginstruction sent by the image generator. Compared with the prior art, time consumed by the display module in the module section is shortened, and the capacity of the display module is improved.

The invention belongs to the technical field of photochromic and thermochromic film materials, and discloses a patternable liquid crystal film based on a spiropyrane derivative molecular switch and a preparation method and application of the liquid crystal film. The liquid crystal film is prepared by the following steps: heating a spiropyran derivative, a liquid crystal polymerizable monomer and a photoinitiator to a molten state, conducting uniform mixing, adding the obtained mixture into a liquid crystal box, successively carrying out heating, cooling and heat preservation, and perofrming polymerizing and curing through visible light irradiation. The patternable liquid crystal film based on the spiropyrane derivative molecular switch can be changed in color, fluorescence and liquid crystal property after being excited, is good in stability and patterning effect, has various patterning methods, and is suitable for being used as a multiple anti-counterfeiting material capable of selectively retaining and erasing stored information.

The invention discloses a range hood structure which comprises a range hood panel and a wind chamber. A wind wheel is rotationally installed on the rear side in the wind chamber. An atomizing spray nozzle is further installed in the wind chamber. A lower sliding block is slidably installed at the bottom in the wind chamber in the front-back horizontal direction. An upper sliding block is vertically and slidably installed over the lower sliding block. The top face and the bottom face of the upper sliding block are vertically connected with connecting rods correspondingly. The ends of the two connecting rods are backwards connected with supporting arms perpendicularly and correspondingly. The upper supporting arm is suspended above the top of the wind wheel. The lower supporting arm stretches into the wind wheel and is suspended above the bottom of the wind wheel. The end of each supporting arm is connected with a cleaning sponge through a supporting seat, the upper cleaning sponge can abut against the top of the wind wheel, and the lower cleaning sponge can abut against the bottom in the wind wheel. By the adoption of the range hood structure, adhesive oil stains adhering to the wind wheel can be effectively removed, thus, a good cleaning effect is achieved, manual cleaning is not needed, and application is facilitated.

The invention discloses a walnut-like wood dip dyeing device for furniture production, relates to the technical field of furniture production, and solves the problems that in an existing wood dip dyeing process, a large number of workers are needed to participate in the operation process, the workload of the workers is large, the operation is troublesome, and the production efficiency is low; thedevice comprises a base; the front end surface of the base is fixedly connected with a group of dip dyeing driving pieces; the upper part of the base is in transmission connection with a group of conveying devices; the upper portion and the lower portion of a clamping sliding block are hinged to the two sets of clamping supporting rods correspondingly. The top of the base is fixedly connected withtwo sets of erasing driving pieces. The top of the base is rotationally connected with a set of multiple sets of erasing pieces. A series of actions such as wood clamping, automatic dye pool soaking,fishing out, draining, redundant dye wiping, overturning and loosening are automatically achieved, labor of workers is greatly simplified, labor force is saved, operation is simpler, time is saved, and the working efficiency is greatly improved.

The invention discloses a method for achieving electrical control magnetic reading and writing storage function by a nanowire ring structure. The method comprises the steps of firstly, defining a required nanowire on a substrate to guide a channel growth pattern by a photoetching and etching technology; sequentially guiding to grow the nanowire at step edge to form the nanometer ring structure ina growth mode guided by metal liquid drop; secondly, evaporating or coating a layer of magnetic thin film material on a sample surface, and only maintaining the magnetic thin film material near to thenanometer ring; thirdly, fabricating electrodes at two ends of the nanowire; and finally, allowing an appropriate current to pass through the nanowire so that an induction magnetic field is generatedin the nanometer ring, magnetic domain in a magnetic thin film is turned over directionally and electrical control writing operation of a magnetic medium is achieved or otherwise corresponding erasure also can be achieved. Since the demand of moving a reading and writing magnetic head is eliminated, multi-layer stack of the electrical control magnetic reading and writing unit in a vertical direction can be achieved, so that high-density 3D storage application is achieved.

The invention relates to a demisting device for an inner side of automobile glass. The demisting device is divided into two groups, one group is a windshield demisting device, and the other group is awindow glass demisting device. The two demisting devices are the same in composition and comprise power circuits and swing mechanisms. The power circuit comprises an ignition switch of an original vehicle, a storage battery of the original vehicle, a starting switch and a fuse, the swing mechanism comprises a direct-current motor, an electromagnetic clutch, a worm and gear speed reducing mechanism, a connecting rod, a straight pull rod, a rocker and a wiping bloc, for the windshield demisting device, the swing mechanism is mounted on the inner side of a roof at an upper end of an inner frameof an automobile windshield, and the window glass demisting device comprises two sets of swing mechanisms which are respectively arranged on inner sides of the roof at upper ends of inner frames of aleft front window and a right front window of the automobile. The device is advantaged in that the device can wipe fog on the two front windows and the inner side of the front windshield, and is simple in structure and suitable for various vehicles.

The invention discloses a surface dehydrating method of cleaned Chinese chestnuts. The method comprises the following steps that cleaned Chinese chestnuts are put in a rotating cylinder, a bamboo fiber inner lining is arranged on the inner wall of the rotating cylinder, a fixing cylinder body is in sleeving connection to the outer part of the rotating cylinder coaxially, water-permeable holes areuniformly distributed in the cylinder wall of the rotating cylinder, and the rotating cylinder is rotated, so that the Chinese chestnuts slide relative to the bamboo fiber inner lining, the moisture on the surfaces of the Chinese chestnuts can be wiped out through the bamboo fiber inner lining, the moisture adsorbed by the bamboo fiber inner lining is swung to the inner part of a fixing cylinder through the water-permeable holes under the action of centrifugal force, and finally, the moisture flows out from one end of the fixing cylinder. According to the surface dehydrating method, the cleaned Chinese chestnuts can be subjected to centrifugal dehydrating.