52results about How to "Guaranteed normal read" patented technology

The invention discloses a storage method, a system and a device, wherein the method includes that storage keys are used for performing encryption storage to data files; the storage keys are encrypted in two different kinds of encryption modes to form a personal key and a data key; a storage key can be obtained after the personal key is decrypted with a key of users to whom the data files belong as a decryption key; a storage key can be obtained after the data key is decrypted with the data files before the encryption as a decryption key; the encrypted data files, the personal key and the data key are stored; whether identical data files exist in stored data files is determined before data files of a novel user are stored; and the data files are not stored repeatedly if identical data files have already been preserved before, the data files are used for decrypting the data key to obtain a storage key, and a key of the novel user is used for encrypting the storage key to form a personal key of the novel user. According to the technical scheme provided by the embodiment of the storage method, the system and the device, both the repeated storage of identical data files can be avoided, and any other users including cloud storage service providers are guaranteed to be unable to access plaintext data.

The invention provides a method and a device for processing failure data and an electronic device. The method is based on the device for processing failure data; the device for processing failure data comprises a ferroelectric memory, a digital signal processor (DSP) and an upper computer. When the electronic device of the device for processing failure data is out of order, real-time waveform information is cached in a first buffer region and stopped from being cached to a second buffer region, and the waveform information in the second buffer region is sent to the ferroelectric memory; the waveform information in the second buffer region is sent to the upper computer upon a waveform information reading request sent by the upper computer; as the waveform information in the second buffer region is failure point waveform information and waveform information before a failure point, the device for processing failure data is capable of displaying either the failure point waveform information or the waveform information before the failure point, and therefore, the state of data change before a failure can be visually represented so that the failure can be found conveniently, and moreover, the difficulty of overhauling is reduced.

The invention provides a transparent thermal sensitive recording material which cannot block a product in an outer package and meanwhile can ensure the effect that printed information can be normally read. The transparent thermal sensitive recording material related by the invention is characterized in that the transparency of the thermal sensitive recording material is 92%-96%, and the haze is 9.8%-15%. By means of the technical characteristics, when the transparent thermal sensitive recording material is adopted to print the information and pasted on the outer package of the product, the product in the outer package cannot be blocked, and meanwhile the effect that the printed information can be read normally is ensured; and accordingly a consumer can sufficiently know about the product and feels relieved to buy the product.

The invention relates to a product tracing method which comprises the following steps of building a production information database; building a predetermined label database, a label replacement database and a to-be-sold product database; building a wholesale database and a resale database; building a sold product database; building an after-sales query system, a product position search system and a sales return system. After the product tracing method is adopted, a consumer can rapidly trace an origin place and a production unit of a product, the acquaintance of the product is deepened, the authenticity of the product can be rapidly distinguished, and the effects of supervising the normal dealing order of a market and maintaining legitimate interests of the consumer and an enterprise are realized; the method also provides convenience for the work of cracking down on counterfeits of a quality supervision department, and when RFID (Radio Frequency Identification) information is used on a label, an anti-theft effect is realized, and the RFID information is enabled to be completely read; meanwhile, the effect that the product can be still traced under the condition that the product label is torn is realized.

The invention discloses a control system special for industrial dust removing equipment and a control method of the control system. The control system is characterized by comprising a controller, a power source detection module, a pressure detection module, a temperature detection module, a material level detection module, an alarm output module and an RS485 communication module, wherein the power source detection module, the pressure detection module, the temperature detection module and the material level detection module are all connected with the input end of the controller and are respectively used for detecting power failure of the industrial dust removing equipment, the pressure difference value of inner and outer surfaces of a filter cylinder, the temperature of the filter cylinder and the material level of talcum powder in a powder blower; the alarm output module is connected with one output end of the controller; several other output ends of the controller are further respectively connected with a draught fan, the powder blower and a reverse blow valve; the controller is connected with an upper computer or a system server through the RS485 communication module, so that remote control is realized. The control system disclosed by the invention is simple in structure and high in automation degree.

Embodiments of the invention provide a repair method and apparatus of SIM card encrypted files, and relates to the technical field of communication. The problem in the prior art that the validity of an SIM card cannot be identified due to the abnormality of the SIM card encrypted file of a terminal device to influence the implementation of call, internet surfing and other functions. The specific scheme is as follows: judging whether an internal memory space of a first SIM card encrypted file is equal to a standard value, if not, deleting the internal memory space of the first SIM card encrypted file, wherein the standard value is the internal memory space of a normal SIM card encrypted file; and using an encryption algorithm to generate a second SIM card encrypted file based on content information needing to be locked of the terminal device. The repair method and apparatus provided by the embodiments of the invention are used for repairing the SIM card encrypted files.

It's a multi-label anti-collision algorithm about ultra-high frequency long-range automatic identification system, which dynamically adjusts the Q value based on data labels to the collision. It includes the following steps: a. Default value of Q is 0 to 15; B. Reader sends QUERY (inquiries) commands and receives labeling return; c. Reader sent two Q-th-QUERY REP (Inquiry Response) command; d. After steps a, b, c, if collision count is 0 reading labels is over the next QUERY order Q value is determined in accordance with the collision and repeat steps a, b and c. Dynamic Q value is determined by the following methods: a. Estimate the number of labels; B. According to the estimates of the number of labels and calculating the probability of computing power and exponential, to seek to end the two index to get the new Q value. The invention can be realized UHF remote automatic identification system of multi-tag reading without completely omitted, and the reader has high efficiency.

The invention provides a device for rapidly detecting an open circuit of an infrared receiving tube and belongs to the technical field of information processing of a measurement industry. The device comprises an infrared array I and an infrared array II, which are symmetrically arranged at two sides of a coding disc; the infrared receiving tube comprises first-row receiving tubes arranged on the infrared array I and second-row receiving tubes arranged on the infrared array II; an infrared transmitting tube comprises first-row transmitting tubes arranged on the infrared array I and second-row transmitting tubes arranged on the infrared array II; the first-row receiving tubes and the first-row transmitting tubes are mutually crossed and arrayed; the second-row receiving tubes and the second-row transmitting tubes are mutually crossed and arrayed; the first-row receiving tubes correspond to the second-row transmitting tubes in a one to one manner, and the first-row transmitting tubes correspond to the second-row receiving tubes in a one to one manner; the infrared transmitting tube is electrified and the infrared receiving tube is not electrified; the first-row transmitting tubes provide infrared light illumination to the adjacent first-row receiving tubes, and the second-row transmitting tubes provide the infrared light illumination to the adjacent second-row receiving tubes, so that rapid discharging of a junction capacitance is realized. By adopting the device provided by the invention, the aim of rapidly detecting the open circuit of the infrared receiving tube is realized.

The invention provides a method and a device for generating an examination paper answer card, and an examination scoring system. The method for generating the examination paper answer card comprises the following steps: firstly, obtaining the identity information of an examinee; And according to the examinee's identity information, determine the examinee's registration code; Then according to thecandidate's registration code and the preset selection rules, assign the corresponding question group number; Based on the examinee 's identity information, The application code, the corresponding question group number and the preset answer card template generate a test paper answer card corresponding to the examinee, wherein, the test paper answer card includes the examinee's identity information, the application code, the question group number and the unique identification information corresponding to the examinee's identity information, and the preset answer card template is stored in the server in the format of word in advance. The method of the invention can greatly improve the accuracy of the information on the test paper answer card and the accuracy of identification.

The invention discloses a drawing tape with a suction cup. The tape comprises a shell, a ruler strip and a roller, wherein the suction cup is arranged on the shell, the ruler strip is arranged in theshell, a rotating shaft is arranged at the tail end of the shell, and a layer of fluorescent powder and a protective film are arranged on the ruler strip; a through hole is formed in the ruler strip,and a plug rod matched with the through hole is arranged on the roller; the shell is further provided with a protection pad. The tape has the advantages that the tape has basic functions and can alsobe used for drawing circles with different diameters; the roller ensures that the required circles are stably drawn; the suction cup is arranged on the shell of the tape so that the tape can be absorbed and fixed to an objected through the suction cup in use, and the problem that it is inconvenient for a single person to use a tape is solved; besides, the fluorescent layer is arranged on the surface of the ruler strip so that the tape can be used in the environment with poor light; scales on the tape can be read conveniently, whether the tape is attached to a measured object or not can be accurately judged, and measurement results can be guaranteed.

A linked list management method based on reference counting comprises the steps of setting a reference counting value and a linked list protected by reference counting, nodes in the linked list at least comprise one link pointer, and the nodes are connected through the link pointer. The method further comprises the steps that a plurality of access threads read data from the linked list at the sametime, one management thread is responsible for adding or deleting nodes to the linked list, and one recovery thread releases memory resources of the deleted nodes. In the initial state, the referencecount value is 1 to represent the initial reference count of the management thread to the linked list; before reading the data in the linked list, the access thread firstly adds 2 to the reference count value in an atomization manner; if the quotation count value is not 0 before 2 is added, 2 is subtracted from the quotation count value in an atomization mode after the process of reading the linked list data is completed, and if the quotation count value is 0 before 2 is added, 1 is subtracted from the quotation count value in the atomization mode after the process of reading the linked listdata is completed.

The invention discloses an instrument cover of an instrument assembly, a design method thereof, an instrument assembly and a vehicle. The design method includes: making the driver's eye ellipse, inputting the position of the instrument panel and the instrument panel, the instrument panel is at least partly located on the upper side of the instrument panel to form the upper eaves of the instrument panel; selecting a point inside the upper eaves of the instrument panel as to be drawn The first focal point of the ellipse, pass the first focal point as the upper tangent of the eye ellipse, and the point of tangency between the upper tangent and the eye ellipse is the second focal point of the ellipse; with the first and second focal points determined in step 2 and the step The position of the instrument panel and instrument panel input in 1, draw an ellipse, select a part of the arc surface of the ellipse as the outer surface of the instrument cover, if the gap between the selected instrument cover and the instrument panel does not meet the requirements , return to step 2. The invention can prevent any light from entering human eyes after being reflected by the meter cover, and ensures that the driver can normally observe and read the readings displayed on the meter.