48results about How to "Reduce misreading" patented technology

The present invention relates to a combination heater and occupant sensor device that may be used in an automobile seat. The device will heat a seat and sense the mass of an occupant in the seat. The device provides the ability to combine occupant sensors with a seat heater without damaging the sensors or obtaining incorrect sensor readings. The sensor results may be processed and used to control air bag deployment, for example, or to indicate if the seat belt of an occupied seat is not being employed. To provide flexibility of the device during use, the device may be formed on a polymer substrate and configured to include apertures throughout. In addition, in the heating portion of the device, conductive material may be blended in a polymer and the device may be configured to limit conductor cracking after repeated flexing of the device thus extending the life of the device.

By decreasing the threshold voltage shift due to the potential change of the cells adjacent in a word line direction, the reliability of a flash memory can be enhanced. Memory cells of a flash memory are formed in p-type wells of a semiconductor substrate and include gate insulator films, floating gates, high-K insulator films, and control gates (word lines). The floating gates and control gates (word lines) are isolated by high-K insulator films. The plurality of memory cells arrayed in row a direction are isolated by isolation trenches extending in a column direction. In the isolation trenches, a silicon oxide film is embedded. In the silicon oxide film, an air gap is provided. A lower end of the air gap extends near to the bottom of the isolation trench, and its upper end extends further above the upper surface of the high-K insulator film covering the floating gate.

NDT inspection of an austenitic weld between two CRA Clad pipes using a phased ultrasonic transducer array system is described. The method may be performed during laying of gas / oil fatigue sensitive pipelines, for example, at sea. Two types of UT inspection may be generated simultaneously by a Phased Array on each side (Upstream and Downstream) of a girth weld. Firstly, mode converted longitudinal waves are used. These waves have properties that they propagate well. Shear waves are also used. The combination of these two ultrasonic waves, with the addition of surface waves, enables 100% of the girth weld to be inspected to the standard required in fatigue sensitive welds, such as Steel Catenary Risers. Shear waves and compression waves are emitted substantially contemporaneously. Defects may be detected and measured using time of flight information and amplitudes of radiation detected on reflection and on diffraction from the defect.

The gas monitoring system may include a gas line, an oxygen sensor, a filter, a pump, a indicator, and a controller. The gas line is configured to convey gas from a space configured to receive inert gas to a location remote from the space. The oxygen sensor is fluidly coupled to the gas line at the location. The oxygen sensor is configured to determine a partial pressure of oxygen present in the gas. The filter is fluidly coupled to the gas line between the space and the location. The filter is configured to remove combustible contaminants from the gas before it reaches the oxygen sensor. The controller is electrically coupled to the oxygen sensor and to the indicator. The controller is configured to activate the indicator when the partial pressure of oxygen exceeds a predetermined level.

The gas monitoring system may include a gas line, an oxygen sensor, a filter, a pump, a indicator, and a controller. The gas line is configured to convey gas from a space configured to receive inert gas to a location remote from the space. The oxygen sensor is fluidly coupled to the gas line at the location. The oxygen sensor is configured to determine a partial pressure of oxygen present in the gas. The filter is fluidly coupled to the gas line between the space and the location. The filter is configured to remove combustible contaminants from the gas before it reaches the oxygen sensor. The controller is electrically coupled to the oxygen sensor and to the indicator. The controller is configured to activate the indicator when the partial pressure of oxygen exceeds a predetermined level.

The invention relates to an automatic equipment identification (AEI) method and an AEI system. The AEI method includes the following steps: monitoring tag information carrying a train number and sent by a train radio frequency identification (RFID) tag, and starting a camera device to take an image of the area on a train where a train number is located; after positioning a character zone in the image and splitting the character zone from the image, identifying the train number in the character zone; comparing the identified train number and the train number sent by the RFID tag, sending data indicating the train number to an external preset address if the identified train number is identical to the train number sent by the RFID tag, and sending an alarm message if the identified train number is not identical to the train number sent by the RFID tag. The invention adopting the technical scheme has the advantages that the automatic image identification method and the RFID tag identification method are creatively combined, and the results from the two methods verify each other, so as to reduce wrong and omitted train number reading, and improve the AEI accuracy.

Methods and systems for determining a user's steps in portable device include deriving amplitudes from raw sensor data; comparing the amplitudes to an amplitude threshold, and counting a step when one of the amplitudes exceeds the amplitude threshold to obtain a step count; determining a current gait type based on the step count; dynamically adjusting the amplitude threshold in order to reduce effects of swinging movements and false steps; and applying a post filter to the step count based on time between steps and a minimum number of prior consecutive steps to derive a filtered step count that reduces false readings due to short bursts of rapid movement by the user.

The invention relates to a method for segmenting Chinese and English mixed typeset character images. The method includes acquiring a text line image area and acquiring the line height of the text line image area; splitting the text line image area by a projection process to acquire character blocks; acquiring block heights and block widths of the character blocks; and extracting Chinese character areas according to the line height, the block heights and the block widths. In addition, the invention discloses a device for segmenting the Chinese and English mixed typeset character images. The method and the device for segmenting the Chinese and English mixed typeset character images have the advantage that the recognition precision rate can be increased.

A system and method for monitoring the levels of product in a chemical dispensing system. A probe assembly is operatively disposed in a container holding product to be dispensed. A detection circuit including an oscillator sensitive to the impendence coupled to the detector is selectively coupled to the probe assembly and produces a signal in response to the impedance of the probe assembly indicating if the level of product in the container has dropped below the probe assembly. The probe assembly includes conductive probes formed from corrosion resistant material infused with carbon and separated by an angle. The level of the first and second conductive probes is adjustable to provide control over the level of product to be detected. Multiple probe assemblies may be selectively coupled to the detection circuit in a repeating sequence by a multi-probe monitoring unit to allow monitoring of multiple containers by a single remote alarm.

NDT inspection of an austenitic weld between two CRA Clad pipes using a phased ultrasonic transducer array system is described. The method may be performed during laying of gas / oil fatigue sensitive pipelines, for example, at sea. Two types of UT inspection may be generated simultaneously by a Phased Array on each side (Upstream and Downstream) of a girth weld. Firstly, mode converted longitudinal waves are used. These waves have properties that they propagate well. Shear waves are also used. The combination of these two ultrasonic waves, with the addition of surface waves, enables 100% of the girth weld to be inspected to the standard required in fatigue sensitive welds, such as Steel Catenary Risers. Shear waves and compression waves are emitted substantially contemporaneously. Defects may be detected and measured using time of flight information and amplitudes of radiation detected on reflection and on diffraction from the defect.

A non-volatile semiconductor memory device includes a sense amplifier, first and second bit lines that are connected to the sense amplifier, a first memory cell column that is connected to the first bit line, the first memory cell column being formed by a plurality of MONOS type transistors, a first constant current source that is connected to the second bit line, the first constant current source generating a reference current for the first memory cell column, and a first switch that is provided between the first constant current source and the second bit line, the first switch being formed by a MONOS type transistor.

Disclosed herein is a device that includes: a first control element that controls an amount of current flowing between a second line and a first node according to a potential of a first line; a second control element that controls an amount of current flowing between the first line and the first node according to a potential of the second line; a first control circuit that performs a first operation to fix potentials of the first and second lines at a first potential; a second control circuit that performs a second operation to connect the first node to the second node; and a third control circuit that fixes a potential of the first node at a second potential after the first control circuit stops the first operation until the second control circuit starts the second operation.

The gas monitoring system may include a gas line, an oxygen sensor, a filter, a pump, a indicator, and a controller. The gas line is configured to convey gas from a space configured to receive inert gas to a location remote from the space. The oxygen sensor is fluidly coupled to the gas line at the location. The oxygen sensor is configured to determine a partial pressure of oxygen present in the gas. The filter is fluidly coupled to the gas line between the space and the location. The filter is configured to remove combustible contaminants from the gas before it reaches the oxygen sensor. The controller is electrically coupled to the oxygen sensor and to the indicator. The controller is configured to activate the indicator when the partial pressure of oxygen exceeds a predetermined level.

Systems, methods, and devices providing for improved safety for an Intravascular Implantable Device (IID) are described herein. The IID includes a dislodgement detector that may include at least one accelerometer device and / or one or more microphones. In various embodiments, the accelerometer device is adapted to sense various forces or motions such that a dislodgement event may be detected. In one embodiment, the detector is adapted to sense movement of the IID through the vascular system as a result of dislodgement. In another embodiment, the detector is adapted to detect and compare accelerations caused by the force of gravity to determine a dislodgement event. In various embodiments, the detector includes a multi-axis accelerometer. In one such embodiment, the detector is adapted to detect an orientation of the IID in order to determine a dislodgement event.

The invention discloses an automatic assembly production line process of wheel-mounted brake discs. The process comprises the following procedures of working procedure 1, a wheel detection position; working procedure 2, brake disc detection positions; working procedure 3, wheel and brake disc preassembling positions; working procedure 4, bolt installing and pre-tightening position; working procedure 5, a bolt tightening position; and working procedure 6, drawing an anti-loose line position. According to the process, machinery, servo motion control, a detection technology, a communication technology, a pneumatic technology, a robot technology and the like are combined into a whole so as to realize the complete technological process of complete and automatic assembly of the wheel and the brake discs such as automatic identification of the positions of wheel pin holes and brake disc pin grooves, automatic reading and uploading of the ID number of a wheel and the ID numbers of brake discs, automatic carrying and pre-assembling of the wheel and the brake discs, carrying out plug inserting, bolt inserting and bolt pre-tightening through a the mechanical arm, automatic bolt tightening according to a bolt tightening process and automatic uploading of tightening information through a tightening shaft, and finally anti-loose line drawing through a mechanical arm, and it is the first time that the process is applied to the automatic assembly line of the rail wheel and the brake discs at home and abroad and the process is verified.

An optical reproducing method using an optical medium having an aligned prepit portion straddled on a plurality of tracks in a radius direction. The prepit portion includes a first and second prepit portion divided in a track direction with a gap therebetween and with a synchronous information prepit of the respective first and second prepit portion being arranged on a boundary of the respective tracks. The synchronous information prepit and the first and second prepit portion is arranged at every two-track pitch in the radius direction and at opposite boundaries of the same track. An optical spot is irradiated on the optical medium, a reflected beam is detected from the optical medium, and information on the optical medium is reproduced by using a signal obtained by the reflected beam.

A jig for selecting a valve part number or a joint part number representing respective selected conditions required for selecting a valve or a joint comprising: a substantially rectangular base plate defining an inner space, and several sliding gauges laterally arranged in the inner space to slide in a longitudinal direction of the base plate, each of the sliding gauges comprising a condition description area including several conditions thereon from which the selected condition is determined, and a symbol description area including several symbols thereon, both the conditions and the symbols arranged in the sliding direction, several condition selecting windows laterally arranged, each of the condition selecting window being configured to expose one of the selected conditions, several symbol selecting windows laterally arranged, each of the symbol selecting window being configured to expose one of the selected symbols.

The invention discloses a three-dimensional memory and a reading method thereof. The three-dimensional memory includes a phase change memory cell and a gating tube, wherein the phase change memory cell is connected with the gating tube in series to form a series structure; and is located between a word line and a bit line; the word lines and the bit lines are stacked in multiple layers to form a three-dimensional structure; when the phase change memory cell is in a high resistance state and when the gating tube is just opened, the voltage at the two ends of the phase change memory cell is smaller than the threshold voltage for converting the phase change memory cell from a high resistance state to a low resistance state; therefore, the phase change memory cell is not enough to generate phase change; only when the voltage at two ends of the three-dimensional memory is continuously increased to enable the voltage at two ends of the phase change memory cell to exceed the threshold voltage; and therefore, the phase change memory cell is subjected to phase change only when the threshold voltage of the phase change memory cell is larger than the threshold voltage of the phase change memory cell, and then the range of the read voltage is enlarged, and the margin of the optional read voltage is larger, and the problems of misreading and misoperation are reduced, and the utilization rate of the threshold voltage of the phase change memory cell is increased, and the requirement on the threshold voltage of the phase change memory cell is reduced.

The invention relates to an electronic shelf label. The electronic shelf label comprises a transparent lens cover plate used for covering a display screen of the electronic shelf label and a coating layer printed at the inner side of the transparent lens cover plate; definition and marking are carried out in the coating layer through laser. An application method of laser radium carving in the electronic shelf label includes the steps that 41, the transparent lens cover plate is provided and used for covering the display screen of the electronic shelf label; 42, the coating layer is printed at the inner side of the transparent lens cover plate; 43, the coating layer is cauterized and eliminated through laser at the high temperature; 44, continuous laser is added, and graphic texts are cauterized on the transparent lens cover plate. ID is cauterized on the inner side of the transparent lens cover plate, and the electronic shelf label is different from a paster which is easy to be peeled off or damaged.

The invention discloses an annular UHF near-field RFID reader-writer antenna which has a plane structure. The antenna comprises a feed port, an annular structure, a parasitic arc-shaped SMD and a medium substrate. The annular structure is composed of a first arc-shaped SMD, a second arc-shaped SMD and a matching resistor. One end of the first arc-shaped SMD is connected with the feed port, and the other end is connected with the matching resistor. The other end of the matching resistor is connected with one end of the second arc-shaped SMD. The other end of the second arc-shaped SMD is connected with the feed port. The parasitic arc-shaped SMD is arranged outside the annular structure, and the distance between the internal edge of the parasitic arc-shaped SMD and the external edge of the annular structure is same at all parts. The annular structure, the parasitic arc-shaped SMD and the feed port are all arranged on the same surface of the medium substrate. The whole antenna is symmetrical relative to the central axis of the antenna. The annular UHF near-field RFID reader-writer antenna has characteristics of being high in near-field magnetic field intensity, low in far-field gain, small in size, convenient to process and manufacture, low in cost, etc. , so that the annular UHF near-field RFID reader-writer antenna is suitable for various ultrahigh frequency near-field RFID systems and especially suitable for ultralow power consumption hand-held devices.

The invention discloses a long character string display method, a system, a storage medium and a terminal. The method comprises the steps: segmenting a selected continuous character string when the length of the continuous character string is greater than a preset value N; wherein the continuous character strings do not contain spaces, punctuation marks, line feed marks and Chinese characters; displaying segmented character strings. According to the invention, the possibility of wrong reading and missed reading of the long character string can be reduced.

The invention discloses a resistive random access memory unit based on resistance voltage division reading. The resistive random access memory unit comprises a first transistor, a resistive unit and asecond transistor, wherein one end of the resistive unit is connected in series with the drain electrode of the first transistor, and a connection point is used as a voltage division point; and the gate of the second transistor is connected to the voltage division point; and the first transistor and the resistive unit realize resistance voltage division. According to the resistive random access memory unit based on resistance voltage division reading provided by the invention, the resistance voltage division of one transistor and the resistance voltage division of the resistive random accessmemory unit is utilized, and the grid electrode of the other transistor is utilized to amplify a voltage change signal of the voltage division point to increase a reading window caused by high and lowresistance states, thereby being beneficial to reducing misreading caused by device and process parameter fluctuation.

A chip on film package structure including a flexible film, a patterned metal layer, a chip, a patterned solder resist layer, and a code-included pattern is provided. The flexible film comprises a chip mounting region and a peripheral region surrounding the chip mounting region. The patterned metal layer disposed on the flexible film. The chip mounted on the chip mounting region and electrically connected to the patterned metal layer. The patterned solder resist layer exposing the chip mounting region and covering a part of the patterned metal layer. The code-included pattern disposed on the peripheral region of the flexible film. The code-included pattern comprises a plurality of machine-readable data. A method for reading a code-included pattern on a package structure is also provided.

A magnetic-ink-character recognizing device and a control method are disclosed for increase in the character recognition rate. The device includes a magnetic head, a conveying section configured to convey a medium on which magnetic ink characters are printed, an acquiring section configured to acquire a magnetism detection signal read by the magnetic head, a segmenting section configured to segment waveform data of the magnetic ink characters from the magnetism detection signal, a first calculating section configured to compare the waveform data segmented by the segmenting section and reference waveform data and calculate similarities of both the data, respectively, a second calculating section configured to compare the waveform data segmented by the segmenting section and extended waveform data obtained by compressing or expanding length in a time axis direction of the reference waveform data and calculate similarities of both the data, respectively, and to recognize the magnetic inkcharacters of the waveform data segmented by the segmenting section.

The invention discloses a three-dimensional memory and a reading method thereof, comprising a phase-change memory unit and a gate transistor, wherein the phase-change memory unit and the gate transistor are connected in series to form a series structure, and are located between a word line and a bit line, and the word line Multi-layer stacking with the bit line to form a three-dimensional structure. When the phase-change memory cell is in a high-resistance state and the gate is just turned on, the voltage across the phase-change memory cell is less than that of the phase-change memory cell. The threshold voltage of the phase change memory cell is not enough to undergo a phase change. Only when the voltage across the three-dimensional memory continues to increase and the voltage across the phase change memory cell exceeds its threshold voltage, the phase change memory cell will undergo a phase change. The range of the read voltage is widened, the margin of the optional read voltage is large, the problems of misreading and misoperation are reduced, the utilization rate of the threshold voltage of the phase change unit is increased, and the threshold voltage of the phase change memory unit is reduced. voltage requirements.

The invention relates to a magnetic head card swiping mechanism, which comprises a magnetic head and a card seat, wherein the magnetic head comprises an induction end and an output end; the card seat is formed by connecting a fixing seat to a magnetic track in an L shape; the fixing seat is detachably provided with the magnetic head; and the induction end of the magnetic head and the magnetic track are arranged at the same side of the fixing seat. According to the magnetic head card swiping mechanism, the mounting difficulty of the magnetic head and the magnetic track is lowered, and the aligning precision between the magnetic head and the magnetic track is improved; in addition, as the magnetic head and the magnetic track are fixed on the same mechanism, when a magnetic card applies a pressure to the magnetic track and enables the magnetic track to deviate from the original position, the magnetic head and the magnetic track are deviated together as a common stressed body with no change of the position relation between the magnetic head and the magnetic track, so that a stable aligning relation between the magnetic card and the magnetic head is constantly kept, and phenomenon of misreading or failing to read the magnetic card information due to bad aligning is reduced. In addition, the invention also provides a card swiping machine provided with the magnetic head card swiping mechanism.

A recognition system of a position of a mechatronic braking control device associated with a railway vehicle along a train is described. The recognition system includes a sustaining and fixing support installed on the railway vehicle, an identifying binary coding of the position along the train, and a mechatronic braking control device adapted to be fixed to the sustaining and fixing support and including an optical reading device arranged to detect the identifying binary coding. The mechatronic braking control device determines the position along the train according to the binary coding that is read by the optical reading device.

The present invention relates to the memory technical field, and in particular relates to a read method for responding to FLASH chip abnormal power-down. The read method for responding to FLASH chip abnormal power-down is as follows: reading a FLASH chip power-down protection unit; wherein the power-down protection unit is used for recording address information of a current erase area in a FLASH chip storage array when a FLASH chip abnormally powers down during erase process; when the power-down protection unit stores address information, reading the address information; when the address information is same as the address information of a pre-read area, performing read correction on a storage array area corresponding to the address information, wherein the read correction is adjustment of read current during read; and after the read correction, reading the pre-read area. According to the read method for responding to FLASH chip abnormal power-down, after the read correction of a storage unit which is not erasure-corrected during abnormal power-down, the pre-read area is read, misreading during reading can be reduced, and the reliability of the FLASH chip can be improved.

The invention relates to a method for segmenting Chinese and English mixed typeset character images. The method includes acquiring a text line image area and acquiring the line height of the text line image area; splitting the text line image area by a projection process to acquire character blocks; acquiring block heights and block widths of the character blocks; and extracting Chinese character areas according to the line height, the block heights and the block widths. In addition, the invention discloses a device for segmenting the Chinese and English mixed typeset character images. The method and the device for segmenting the Chinese and English mixed typeset character images have the advantage that the recognition precision rate can be increased.