40results about How to "Reduce misreading rate" patented technology

The invention discloses a method and a device for identifying barcodes, which can improve identification rate and identification speed, can identify the non-integral time barcodes and cannot be influenced by light rays during identification. The method comprises the following steps of: A, extracting barcode pixel information in a way of camera terminal shooting or scanner scanning; B, converting the pixel information into binary numeric strings by using a principle of consistent bar background colors or a principle of consistent barcode black line colors; C, segmenting the binary numeric strings by taking barcode values as units; and D, matching each section of binary numeric strings acquired by segmentation respectively by using a principle of similitude in an image dot matrix, and judging whether the barcodes are successfully identified according to custom matching rules.

The invention discloses a multi-value operation method of an RRAM (resistance random access memory) unit. The multi-value storage is realized by comprehensively adjusting a programming limit current and an erasion cutoff voltage of the RRAM unit, wherein a relative low resistance state of the RRAM unit is realized by applying a cutoff voltage and a programming limit current to the RRAM unit, and the bigger the programming limit current value is, the smaller the resistance of the RRAM unit is; a relative high resistance state of the RRAM unit is realized by applying an erasion cutoff voltage and a programming voltage to the RRAM unit and the bigger the erasion cutoff voltage is, the bigger resistance of the RRAM unit is. The operation method has the advantages of large storage window, simplicity, feasibility, small misreading rate and power.

Disclosed are a character recognition device, method and program which are capable of suppressing the decrease amplitude of a right-reading rate, meanwhile reducing the efficient discard of an erroneous reading rate, and reducing the required calculation quantity by discard determination. The discard determinations (109, 113) based on various indicators are combined in series under high independence of discard values, and are combined in parallel under low independence of discard values. Discard indicators of high discard rate and low calculation cost are configured in the early treatment. A character recognition unit (106) recognizes characters, cut out by a character cutting portion (105), in images of the character units. Among a plurality of discard value calculations (107,108,110-112), the discard value calculations (107,108) of higher discard capability are first configured. When the discard determination is to discard based on the calculated discard values by the precedent discard value calculations, the subsequent discard value calculations are omitted, and thus whether to discard a recognition result can be determined.

The invention provides a reading circuit for stored data of an electrically programmable fuse wire, and an electronic apparatus. The reading circuit for the stored data of the electrically programmable fuse wire comprises a pulse signal module, an amplifier module and a trigger module, wherein the pulse signal module is connected to the electrically programmable fuse wire and controls switch-on of the electrically programmable fuse wire by utilizing a pulse signal during a reading cycle of the stored data of the electrically programmable fuse wire; the amplifier module is connected to the pulse signal module and amplifies an output signal of the pulse signal module; and the trigger module is connected to the amplifier module to sample an output signal of the amplifier module, and outputs the sampled signal under the control of a clock signal. According to the reading circuit, the time for enabling a current to flow through the electrically programmable fuse wire can be greatly shortened, and the misreading probability caused by soft electro migration is reduced, so that the performance of the electrically programmable fuse wire in HTOL testing is improved.

The invention belongs to the technical field of microelectronic devices, and discloses a volatile and nonvolatile CuxO memristor and a regulation and control method thereof. The volatile and nonvolatile CuxO memristor comprises a lower electrode layer (4), a functional layer (3) and an upper electrode layer (1) stacked from bottom to top, the functional layer (3) is a CuxO functional layer, x is larger than 1.8 and smaller than 2, and the functional layer is deposited to enable the functional layer to be in contact with the lower electrode layer; and the upper electrode layer is deposited on the functional layer. The key structure and composition of the memristor are improved, CuxO serves as a functional layer, x is larger than 1.8 and smaller than 2, the chemical proportion is close to Cu2O, the volatile and nonvolatile CuxO memristor can be obtained, the CuxO memristor is based on Cu vacancy modulation, Cu vacancies can be induced through simple limiting current to construct synapsesand conductive wires, and volatility and non-volatility are achieved.

The invention provides a granary pest double-viewing angle video collection device and method. The video collection device comprises a housing horizontally placed in a granary and a hollow channel formed in the housing, wherein two ends of the hollow channel are symmetrically provided with flared opening channels; the hollow channel communicate with the flared opening channels in a sealing manner;the video collection device further comprises a controller as well LED light sources, a horizontal viewing angle image collector, a vertical viewing angle image collector, a first position detectionsensor, a second position detection sensor and a power supply module used for providing a power supply voltage, which are all connected to the controller. The LED light sources are arranged in the flared opening channels; the horizontal viewing angle image collector and the vertical viewing angle image collector are correspondingly arranged in the periphery of the hollow channel; and the first position detection sensor and the second position detection sensor are arranged in the ports of the hollow channel. The granary pest double-viewing angle video collection device has the advantages of scientific design, high practicability, high precision, convenience in use and long service life.

The invention provides an intelligent recognition system and intelligent bag, and relates to the technical field of bags. The intelligent recognition system includes a radio frequency recognizer, a flexible antenna and a radio frequency label; and the radio frequency recognizer sends a radio frequency recognition signal to the radio frequency label through the flexible antenna, receives through the flexible antenna content information sent out by the radio frequency label, and sends the decoded content information to a central information system. The radio frequency label receives through the flexible antenna an radio frequency recognition signal sent by the radio frequency recognizer, and sends the content information to the radio frequency recognizer through the flexible antenna. The intelligent bag includes an intelligent recognition system, and also includes a bag body, the intelligent recognition system is arranged inside the bag body, and a wave absorbing material is attached to an inner wall of the bag body and is used for absorbing the radio frequency recognition signal that overflows which is sent by a radio frequency recognition module, thereby shielding interference of a radio frequency label outside the bag body. According to the intelligent recognition system and intelligent bag provided by the invention, the radio frequency recognizer can only recognize the radio frequency label inside the intelligent bag, the reading error rate is reduced, and thus capabilities of recognizing and managing the intelligent bag are improved.

The invention provides a terpolymer and an electric storage device prepared by using the terpolymer as an organic layer. The prepared electric storage device is low in turn-on voltage, high in switchcurrent ratio, rapid in response, capable of performing repeated cyclic reading and writing, and excellent in performance. The terpolymer is simple in synthesis method and stable in electric storage device preparation process, has ternary electric storage performance, can realize industrial production, and has a good application prospect in the field of information storage.

The invention relates to a single layer polymer memory based on a MEH-PPV: PCBM donor-acceptor structure and a preparation method thereof; the memory comprises a glass or flexible substrate, an ITO bottom electrode, a PEDOT: PSS cavity injection layer, a MEH-PPV: PCBM photoelectric active function layer and a gold top electrode, wherein each layer is obtained via spin coating or vapor plating. Thepreparation technology is simple and low in production cost; the obtained memory is small in size, excellent in electricity storage performance, good in stability and high in repeatability.

The invention provides a fingerprint imaging module and electronic equipment. The fingerprint imaging module comprises a light source assembly comprising a plurality of light sources, a sensing surface located at one side of the light source assembly and on which a reflected light carrying fingerprint information is formed by lights generated by the plurality of light sources, and an image sensorused for acquiring the reflected light to obtain a fingerprint image, and the projections of the plurality of light sources surround the projection of the image sensor in the sensing surface. According to the technical scheme, the intensity and the uniformity of the incident light projected to the sensing surface can be effectively improved, the component of small-angle rays in the reflected lightcan be improved, the problem of amplification of the fingerprint image is improved, the misreading rate can be reduced, and the problem of algorithm trouble caused by deformation of the fingerprint image can be overcome.

The invention discloses a commodity identification method and channel, a control device and a commodity settlement channel. The commodity identification method comprises the steps of indicating a commodity verification area antenna to acquire identifiable first commodity identification data under the condition that a user enters a commodity verification area of a commodity identification channel;under the condition that the user enters the commodity settlement area of the commodity identification channel, indicating a commodity verification area antenna to acquire identifiable commodity verification data; and determining user commodity data according to the first commodity identification data and the commodity verification data. According to the invention, by setting the commodity verification area, the misread label outside the channel can be eliminated, and the misread probability of the label is reduced.

The invention provides an oil seal type dial indicator settlement gauge comprising a hanging piece, at least one measuring rod, a dial indicator, a measuring cylinder and a supporting piece, wherein the hanging piece is fixedly connected with a target to be measured; the measuring rod is detachably connected with the hanging piece; the dial indicator is arranged in the measuring cylinder, immerged in kerosene and detachably connected with the measuring rod; the lower part of the measuring cylinder is detachably connected with the supporting piece; and the supporting piece is fixedly connected with a reference object. The oil seal type dial indicator settlement gauge has the obvious advantages of high measuring precision, corrosion resistance, convenient measurement, high long-term reliability, relatively low cost and the like.

The invention relates to an electrical bistable characteristics-based single-layer polymer electric memory and a manufacturing method thereof. The electric memory comprises a glass substrate or a PETsubstrate or a PI substrate, an ITO bottom electrode, a PEDOT: PSS hole injection layer, an MEH-PPV or PFO or P-PPV photoelectric polymer active functional layer and a metal top electrode. All the above layers are formed through spin coating or evaporation. The electric memory provided by the invention is simple in structure, and has excellent electrical bistable characteristics, storage responsespeed and stability. During the reading and writing process, the electric memory is low in false reading rate. Even when the electric memory is switched on and off for over million of times, the current of the electric memory is not obviously changed.

The invention discloses a nonvolatile resistive random access memory with an adjustable write-in voltage and a preparation method thereof, and belongs to the field of resistive random access memory devices. The memory device includes a substrate, a bottom electrode, a resistive function layer, and a top electrode. and the resistive function layer is an organic polymer film which is prepared by spin-coating a mixed solution of two polymers and contains nano-pores on the surface. By changing the spin-coating conditions of the mixed solution, the sizes of the thin film holes can be adjusted, andthen the accurate regulation and control of the device write-in voltage are achieved. The memory device provided by the invention is simple in structure and is easy to process, shows nonvolatile storage characteristics, can realize the accurate regulation and control on the write-in voltage, and has a wide application prospect in the field of information storage.

The invention discloses a system and a method for identifying multiple RFID tags in a sealed metal environment. The system comprises a control module and an RFID reader-writer, wherein the control module is connected with the RFID reader-writer, a locking apparatus of a sealed metal device and a remote server, and is used for user identity recognition and authentication, RFID tag registration and management, and remote server information transmission and reception; the RFID reader-writer is connected with the control module and an UHF antenna group, and is used for blind area monitoring, UHF antenna time division switching, RFID tag collision detection and RFID tag identification; the UHF antenna group comprises two or more UHF antennas; each UHF antenna is connected with the RFID reader-writer; and the RFID tags are attached to to-be-managed articles. According to the system and the method, the design of the antennas reliably working in the sealed metal environment is realized, the sensitivity of the RFID tags to the environment and the mutual interference of short-distance adjacent tags are overcome, the difficult problem in static and effective identification of densely stacked articles in a sealed metal space is solved, and the misreading rate and the missing reading rate of the RFID tags are reduced as far as possible.

The invention provides a carbazolyl conjugated polymer, and an electric storage device prepared by using the carbazolyl conjugated polymer as an organic layer. The device has excellent electric storage performance. The prepared electric storage device has the advantages of further reduced turn-on voltage, high switching current ratio, large storage density, quick response, repeated cyclic read-write and excellent performance. A synthesis method of the carbazolyl conjugated polymer is simple, the preparation process of the electric storage device is stable, the operation is simple, industrial production can be realized, and the prepared electric storage device shows ternary electric storage performance and has a good application prospect in the field of information storage.

The invention discloses a related device for automatically transmitting read-write data. The related device for automatically transmitting the read-write data comprises four baffles which are connected continuously to form a square framework, wherein at least one baffle is provided with an indication light, a sensor and a display screen, one of the baffles is further provided with a reader-writer, and each baffle is composed of an inner pressing plate, an outer pressing plate, wave-absorbing materials between the inner pressing plate and the outer pressing plate, and tin foil paper. The related device for automatically transmitting the read-write data is light in weight, small in size, good in signal-shielding effect and low in misreading rate.

The invention provides an oil seal type dial indicator settlement gauge comprising a hanging piece, at least one measuring rod, a dial indicator, a measuring cylinder and a supporting piece, wherein the hanging piece is fixedly connected with a target to be measured; the measuring rod is detachably connected with the hanging piece; the dial indicator is arranged in the measuring cylinder, immerged in kerosene and detachably connected with the measuring rod; the lower part of the measuring cylinder is detachably connected with the supporting piece; and the supporting piece is fixedly connectedwith a reference object. The oil seal type dial indicator settlement gauge has the obvious advantages of high measuring precision, corrosion resistance, convenient measurement, high long-term reliability, relatively low cost and the like.

The invention relates to the technical field of detection systems. The invention further discloses a mining uniqueness detection system. A mounting plate is arranged in the a side access door; the mounting plate is used for mounting a unique central control plate; after people enter the detection channel, an infrared correlation sensor is triggered to start the passive card reader; meanwhile, a camera sends a card searching instruction to the passive card reader after recognizing the face information; the passive card reader immediately returns card information to the upper computer software;upper computer software compares passive card information, active card information, face data comparison, if the information is the information of the same person, software carries out voice broadcastand simultaneously displays a certain pass through a text. If the face information and the passive card information are not the same person, the prompt person card is inconsistent, if the passive card is not detected, the prompt card is not carried, if the passive card is consistent with the face information, but the active card information is not detected, the prompt card is abnormal, the card missing rate and the false alarm rate are effectively reduced, and the method is an effective safety management method.

The invention provides a fingerprint imaging module and electronic equipment. The fingerprint imaging module comprises a line light source used for generating an incident light, a sensing surface on which a reflected light carrying fingerprint information is formed by the incident light, and an image sensor used for acquiring the reflected light to form a fingerprint image, and the projection of the line light source surrounds the projection of the image sensor in the sensing surface. According to the technical scheme, the uniformity of the light intensity of the incident light can be effectively improved, the problem of amplification of the fingerprint image is improved, the misreading rate can be reduced, and the problem of algorithm trouble caused by deformation of the fingerprint imagecan be overcome.

The invention discloses a polyamine monomer of polyimide containing a triazole structure and a polymer and a preparation method of the polyamine monomer as well as application, and belongs to the fields of hyperbranched polyimide preparation technology and information storage materials. According to the polyamine monomer disclosed by the invention, a series of triamine and tetraamine monomers withdifferent electronic effects are firstly synthesized based on the triazole structure, and are respectively subjected to polycondensation with dibasic acid anhydride with different electronic effectsto obtain a series of hyperbranched polyimide with information storage performance. The hyperbranched polyimide obtained by the invention has the beneficial effects of excellent solubility and good heat stability and electrochemical properties; at the same time, as the solvent-processable hyperbranched polyimide, by preparing an indium tin oxide / hyperbranched polyimide active layer / metal storage device with a sandwich structure, a hyperbranched polyimide storage material with excellent storage performance, stable and good operation, low misreading rate and relatively low energy consumption isobtained. The invention further broadens the application range of the triazole-containing hyperbranched polyimide.

The invention discloses a write-once-read-many memory based on a hybrid perovskite and a preparation method thereof, and relates to the technical field of semiconductor materials and functional devices. The resistive variable memory of the present invention comprises a glass substrate, a bottom electrode, a hybrid perovskite resistive layer and a top electrode in order from bottom to top. Wherein: the resistive layer material is CH 3 NH 3 PbBr 3 Thin film, the process of preparing perovskite thin film in air by solution method. The memory preparation method of the present invention is as follows: spin-coat CH on the pretreated bottom electrode surface 3 NH 3 PbBr 3 thin film layer; in the CH 3 NH 3 PbBr 3 Metal electrodes are evaporated on the surface of the film layer. The raw materials used in the invention are easy to obtain, and the preparation process is simple, green and environmentally friendly, and the operability is strong. The prepared resistive memory has a simple structure, low writing voltage, and high switching ratio, which is beneficial to industrial application.

The invention belongs to the technical field of organic electric storage materials, and discloses an alkoxy-containing triphenylamine donor group terpolymer, an electric storage device and preparationthereof. The terpolymer has the following structure: in the formula, R is alkoxy, R1 is alkyl, m is an integer from 20 to 300, and n is an integer from 20 to 300. The electric storage device comprises an organic layer being the terpolymer, and further comprises a substrate, a cathode and an anode. The invention also discloses preparation methods of the terpolymer and the electric storage device.The terpolymer provided by the invention has strong conjugation degree and hole transport capability, reduces the turn-on voltage, improves the switching current ratio, improves the storage density, and is easy to form a film. The prepared electric storage device is low in turn-on voltage, low in energy consumption, high in switching current ratio, high in resolution ratio, low in misreading rate,capable of quickly responding and performing repeated cyclic reading and writing, and excellent in performance.

The invention provides a triphenylamine-carbazole-naphthylbenzimidazole terpolymer and an electric storage device prepared by using the terpolymer as an organic layer. The terpolymer has excellent electric storage performance. The electric storage device is high in switching current ratio, large in storage density, low in power consumption, capable of conducting repeated cyclic reading and writing and excellent in performance. The triphenylamine-carbazole-naphthyl benzimidazole terpolymer is simple in synthesis method, stable in preparation process of the electric storage device and high in feasibility of an operation process, shows ternary electric storage performance, and can realize large-scale production.

The invention belongs to the technical field of organic electric storage materials, and discloses a triphenyl amine-fluorene-benzimidazole low-band-gap terpolymer, an electric storage device and preparation thereof. The low-band-gap terpolymer has the following structure: in the formula, R is alkoxyl; R1 is alkyl; m is an integer from 20 to 300; and n is an integer from 20 to 300. The electric storage device comprises an organic layer, the organic layer is a low-band-gap terpolymer; and the electric storage device further comprises a substrate, a cathode and an anode. The invention also discloses preparation methods of the low-band-gap terpolymer and the electric storage device. The terpolymer has a low energy band gap and a strong hole transporting performance, and can improve the performance of the electric storage device. The prepared electric storage device is low in turn-on voltage, low in energy consumption, capable of prolonging the service life of the device, high in switchingcurrent ratio, capable of greatly improving the storage density, capable of performing repeated cyclic reading and writing and excellent in performance.

The invention discloses a commodity identification method, a channel, a control device, and a commodity settlement channel. The product identification method includes: when the user enters the product verification area of ​​the product identification channel, instructing the product verification area antenna to collect the first product identification data that can be identified; when the user enters the product settlement area of ​​the product identification channel, Instructing the product verification area antenna to collect identifiable product verification data; determining user product data according to the first product identification data and product verification data. The present invention can eliminate misread labels outside the channel by setting a product verification area, and reduce the probability of label misreading.