212 results about "Physical media" patented technology

The invention provides a method, system and device for data encryption transmission between isolation networks based on a two-dimensional code and a medium, and belongs to the technical field of data transmission. The method comprises the steps that a form needing to be transmitted is acquired from an intranet, and key fields are extracted; converting the primary key field into a short code by using a mapping table, splicing the short code with the basic field and the service field, and adding a check code to obtain source data; after encrypting and encoding the source data, converting the source data into a two-dimensional code, and transmitting the two-dimensional code to an external network system through a physical medium; scanning the two-dimensional code by using a terminal device in an extranet, decoding and decrypting the two-dimensional code, and then splitting the two-dimensional code to obtain a short code, a basic field, a service field and a check code; and performing data verification by using the verification code, restoring the short code into the main key field by using the mapping table after the verification is passed, and restoring the original form according to the main key field, the basic field and the service field. According to the invention, a complete process from internal network data extraction to external network data restoration is realized based on the two-dimensional code.

The invention aims to provide a method and a system for realizing a built-in self-test code of a PCIE (Peripheral Component Interface Express) physical layer. The method comprises the following steps of: integrating PCIE BIST GEN module packaging data in a controller layer and sending the data to a physical coding sub-layer; the physical coding sub-layer codes the packaged data and sends the coded data to the physical medium adaptation layer; and the physical medium adaptation layer converts the coded data into serial data and transmits the serial data back to the controller layer. According to the invention, the BIST test assembly meeting the PIPE protocol requirement is embedded in the PCS layer, and compared with a traditional BIST test scheme, through early-stage simulation and post-silicon test data result analysis, not only can the electrical performance test requirement of an original analog circuit be met, but also the test coverage of the PCS layer is increased. And the full-stack coverage test from the physical signal to the protocol logic is realized.

The invention relates to the technical field of Ethernet communication, in particular to an automatic negotiation and link training architecture based on an FPGA and a control method, and the architecture comprises a PMA physical medium connection module which comprises a plurality of channels, and each channel is provided with an AN / LT unit; the SWH exchange and processing module is used for receiving a plurality of channel data and distributing the channel data to the corresponding PCS physical coding sub-layer modules so as to carry out coding operation and decoding operation on the channel data; the AN auxiliary logic module and the AN / LT channel control logic module are mutually independent from the PCS physical coding sub-layer module, the AN auxiliary logic module is used for assisting the automatic negotiation function of an AN / LT unit, and the AN / LT channel control logic module is used for controlling the automatic negotiation and link training process of the AN / LT unit and channel rebinding processing. The invention provides a more flexible AN / LT architecture, and the capability of coping with complex and changeable working conditions is improved.

The invention provides a medical physical examination data intelligent processing and large model offline deployment method and system. The method comprises the following steps: performing online configuration in an offline deployment basic environment, deploying a physical examination data processing algorithm module, downloading a pre-training large model file and a reasoning framework from a model warehouse, and generating a distributable mirror image through a packaging command; performing offline deployment on the distributable mirror image, transmitting the mirror image to a server without an external network through a physical medium, importing and loading the mirror image, and starting a container service; cleaning and standardizing the received physical examination data, matching the standardized data with a medical data matching library, and calculating the severity level; and preprocessing the unstructured medical text, calling an off-line deployed large model to perform semantic analysis and generate an explanatory suggestion, and integrating processing results to generate a standardized physical examination report. According to the invention, off-line deployment and application of a large model in an external network-free environment are realized, and the intelligent level and efficiency of physical examination data processing are improved.

The present application relates to the technical field of communications, and discloses a delimitation method and apparatus, a device and a readable storage medium. The method comprises: receiving a physical medium attachment (PMA) training sequence, the PMA training sequence comprising first data and second data, and a delimiter being comprised between the first data and the second data; identifying the delimiter in the PMA training sequence; on the basis of the delimiter, delimiting data in the PMA training sequence, to obtain a delimitation result. The present application, by means of forming a PMA training sequence comprising a delimiter at a transmit end, enables a receive end to implement accurate and efficient delimitation on the basis of the delimiter in the PMA training sequence.

Disclosed is a user authenticator device for use in authenticating a user's identity and / or an asset, comprising: a plurality of different machine-readable unique identifiers provided on or in the device, each containing or encoding different ID information for identifying the authenticator device. Also disclosed is a method and system for authenticating a user identity using the authenticator device, a method and system for authenticating an asset using the authenticator device, methods of secure transaction and sign in using the authenticator device, and a physical media asset, such as a vinyl record, having machine-readable unique identifiers containing information for authenticating the physical media asset.

The invention relates to a chip, a processing device and electronic equipment, relates to the technical field of chips, and provides a bare chip division mode in a chiplet. The chip comprises a first bare chip and a second bare chip; the first bare chip comprises a physical coding sublayer PCS circuit, and the second bare chip comprises a physical medium access sublayer PMA circuit and a physical medium related PMD circuit; the PCS circuit of the first bare chip is coupled with the PMA circuit of the second bare chip; the PMA circuit is coupled with the PMD circuit.

According to the elevator automatic permission opening method and system, after one-time registration of a mobile device APP, automatic permission opening of an elevator can be achieved, extra physical media do not need to be carried, the use convenience is greatly improved, a cloud server and a property background management system jointly check user information, authenticity and accuracy are ensured, and the user experience is improved. Meanwhile, specific secret key identity verification is adopted, the system safety is enhanced, a data encryption and verification mechanism in the Bluetooth communication process is adopted, safe transmission of user information is further guaranteed, a property background management system can manage the user information and authority in real time, the traditional process is simplified, and an elevator main control system automatically records and updates the use condition of a user; according to the method, the mobile device APP, the cloud server and the elevator master control system are integrated, intelligence and automation of elevator control are achieved, invalid operation and waiting time are shortened, energy consumption and emission are reduced, and intelligent development of buildings is promoted.

Mechanisms for controlling background wear leveling are provided, including: increasing a first counter; comparing the first counter to a first threshold; and in response to the first counter meeting the first threshold: decreasing the first counter by a value of the first threshold; and triggering background wear leveling. In some embodiments, the first counter is increased in response to receiving a write trigger. In some embodiments, the first threshold is based upon a page size and a number of planes of physical media of an SSD. In some embodiments, the mechanisms further comprise: incrementing a second counter in response to receiving a host write trigger; comparing the second counter to a second threshold; and in response to the second counter meeting the second threshold, decreasing the second counter by the second threshold, wherein the increasing the first counter is performed in response to the second counter meeting the second threshold.

Systems and methods for reducing a number of comparators used during an alignment marker (AM) search are presented. A method includes enabling communication between a physical coding sublayer (PCS) having a PCS transmit side and a PCS receive side with a physical medium attachment (PMA) sublayer, at a first end, using multiple PCS lanes that receives data blocks from the multiple PCS lanes, wherein a PCS lane includes an alignment marker (AM) on the PCS transmit side and performs an AM search using a first AM search stage circuit, wherein, in the first AM search stage circuit, all of the multiple PCS lanes are consecutively searched with read components on the PCS receive side until an AM is detected in all of the multiple PCS lanes.

The present application discloses a message timestamp acquisition method, apparatus, and device, and a storage medium. The method comprises: determining a target offset of a preset flag bit of a message on a physical medium attachment side in target data transmitted by a target clock signal, wherein the target data comprises data in the message, and the target offset is a bit difference value between the preset flag bit and the first bit of the target data; on the basis of the target clock signal and the target offset, determining a target timestamp corresponding to the preset flag bit; determining a time difference between the preset flag bit and a start frame delimiter flag bit of the message; and acquiring an actual timestamp of the start frame delimiter flag bit on the basis of the target timestamp and the time difference. By utilizing the method disclosed by the present application, the problem in the prior art of poor accuracy of an acquired message timestamp can be solved.

A user interface component receives a service request from a user and transmits a service request message to a business application component. The business application component transmits an authorisation request message to a media authorisation component. The media authorisation component generates a token based on the authorisation request message and transmits a search message to a controller. The controller transmits the search message to a plurality of backend components. The controller transmits a response message from the backend components to the media authorisation component. The media authorisation component determines whether the token is valid based on the response message. The media authorisation component transmits a validation message to the business application component. Based on the service request message and the validation message, the business application component transmits a control message to a media device driver to control the media device driver to dispense physical media from a teller machine.

Examples described herein relate to a network interface comprising physical medium dependent (PMD) circuitry, the PMD circuitry to during link training of at least one lane consistent with IEEE 802.3, exit to TIME_OUT state during TRAIN_LOCAL state based on consideration of expiration of a wait timer, loss of local_tf_lock state, and loss of remote_tf_lock state. In some examples, during link training for at least one lane consistent with IEEE 802.3, the PMD circuitry is to exit to TIME_OUT state during TRAIN_REMOTE state based on consideration of expiration of a wait timer, loss of local_tf_lock state, and loss of remote_tf_lock state. In some examples, link training consistent with IEEE 802.3 comprises performance of the PMD control function in Section 162.8.11 of IEEE 802.3ck.

The embodiment of the application provides an Ethernet device processing method and an Ethernet system. The Ethernet device processing method is applied to the Ethernet system. The Ethernet system comprises a first device and a second device. The first device and the second device perform data communication through Ethernet technology. The first device comprises a first medium access control chip and a first physical layer chip. The first physical layer chip comprises a first physical coding sublayer (PCS) and a first physical medium access sublayer (PMA). The Ethernet device processing method comprises the following steps: the first PMA receives a control signal sent by the first PCS; the first PMA generates a maintenance code stream and sends the maintenance code stream to the second device; the maintenance code stream is used for maintaining synchronization of link parameters between the first device and the second device; when there is no data transmission between the first device and the second device, the synchronization of the link parameters at both ends is maintained by transmitting the maintenance code stream at both ends; and when it is detected that data is to be transmitted, the first device is enabled to quickly enter a working state, so that the wake-up time is reduced.

An optical computing topology structure configured to implement large-scale adjustment of a topology structure for different application scenarios. The optical computing topology structure includes a first physical medium, a spatial light modulator, and a second physical medium. The first physical medium, the spatial light modulator, and the second physical medium are sequentially connected. The first physical medium is configured to mix an input optical field, to implement a fully connected topology of the input optical field, to obtain a to-be-modulated optical field. The spatial light modulator is configured to modulate an optical field parameter of the to-be-modulated optical field to obtain a to-be-output optical field. The second physical medium is configured to mix the to-be-output optical field, to implement a fully connected topology of the to-be-output optical field, to obtain an output optical field.

According to an aspect of an embodiment, an optical network unit (ONU) in a passive optical network (PON) may comprise a physical media dependent (PMD) receiver, a detector, and a processing device. The PMD receiver may be configured to receive a downstream signal from an optical line terminal (OLT). The detector may be configured to measure a link quality parameter in the downstream signal. The processing device may be configured to identify a link quality parameter target, wherein the link quality parameter target is a value that achieves a target error probability. The processing device may be configured to compute a link quality parameter margin between the measured link quality parameter and the link quality parameter target, and adjust a transmission parameter based on the link quality parameter margin.

A method of processing a photograph comprises capturing or downloading the photograph onto a mobile electronic device with text messaging capabilities. The photograph is then transmitted in a text message to a remote server which is able to identify the mobile electronic device, and to match the mobile electronic device with information stored in a database relating to the mobile electronic device. The photograph is transmitted to a printer for printing the photograph on a physical medium. The photograph on the physical medium is then transported to a destination point address contained in the information stored in the database.

This application relates to a method, apparatus, computer device, and storage medium for generating an installation disk. The method comprises: obtaining a command file and an operating system's system files; generating an ISO image file with independent sector offsets based on a preset text processing tool, the command file, and the system files; invoking a boot file to obtain the IP address information of a physical medium; and burning the ISO image file to the physical medium based on the IP address information to generate an installation disk corresponding to the physical medium. The command file is used by the operating system to interact with the physical medium connected to the operating system. This method significantly improves the efficiency of generating installation disks.

Techniques are provided to extend training to an end-to-end method, where a ready -to-send (RTS) variable is added to training frames to indicate that, on a current interface, the Physical Medium Attachment (PMA) sublayer, with all its lanes, has valid data and appropriate clock timing and is ready to send data to the output when training is completed. These techniques are applicable to a PMA that is an endpoint (and thus has only a single network interface involved) as well as to PMAs that have two network interfaces connected to segment partners. Moreover, these techniques may be configured to work with legacy devices that do not support segmented link training.

Mechanisms for controlling background wear leveling are provided, including: increasing a first counter; comparing the first counter to a first threshold; and in response to the first counter meeting the first threshold: decreasing the first counter by a value of the first threshold; and triggering background wear leveling. In some embodiments, the first counter is increased in response to receiving a write trigger. In some embodiments, the first threshold is based upon a page size and a number of planes of physical media of an SSD. In some embodiments, the mechanisms further comprise: incrementing a second counter in response to receiving a host write trigger; comparing the second counter to a second threshold; and in response to the second counter meeting the second threshold, decreasing the second counter by the second threshold, wherein the increasing the first counter is performed in response to the second counter meeting the second threshold.

The invention provides an industrial field instrument communication system, an industrial field instrument and a communication method thereof. The industrial field instrument communication system comprises: a processing unit for processing sensor data and generating a main process variable; the analog output module is connected with the processing unit and used for converting the main process variable into an analog current signal of a first specification and outputting the analog current signal to a two-wire system current loop; the HART modulation-demodulation module is used for superposing a low-frequency FSK digital signal on the analog current signal; the digital communication module is connected with the processing unit and comprises a physical layer adaptation unit, and the physical layer adaptation unit is used for supporting at least two Ethernet physical layer standards with different electrical specifications and rates; wherein the analog current signal and the Ethernet digital communication signal of the digital communication module can be simultaneously and independently transmitted on respective physical media. The industrial field instrument communication system disclosed by the invention can be compatible with Ethernet communication while reserving the existing infrastructure.

A system for determining the flow properties of a fluid in a fluid unit, comprising: a light source configured to generate a plurality of optical signals; marker elements suspended in a fluid; a plurality of photonic units, each comprising a photonic element and a flow channel; and a measuring unit configured to: determine a first measurement based on the plurality of optical signals and the marker elements in a flow channel of a first photonic unit of the plurality of photonic units, determine a second measurement based on the plurality of optical signals and the marker elements in a flow channel of a second photonic unit of the plurality of photonic units, wherein the flow channel of the first photonic unit and the flow channel of the second photonic unit are fluidically connected.and a property relating to a flow of the fluid or the marker elements is determined based on the first and second measured values, wherein the determination of the property further comprises determining a macroscopic flow velocity (U) of a fluid containing the marker elements, wherein the macroscopic flow velocity (U) is determined as a function of a flow rate (Q) of the fluid through a cross-sectional area (A) of the fluid unit, wherein Q depends on an applied pressure gradient (VP) such that U = Q / A, wherein the determination of the property further comprises determining a permeability (κ) of a channel of the fluid unit as a function of a viscosity of the fluid (µ), the macroscopic flow velocity (U) and a pressure gradient VP such that κ = µU / (-∇P).

A method may include: generating round-trip pulses at one or more nodes of a multidrop network, respective ones of the round-trip pulses selectively traversing one or more of: internal circuitry of the one or more nodes, or a physical medium between a first node and a second node of the one or more nodes; determining a total delay and an internal delay of the one or more nodes at least partially based on a measurement window error and measured round trips of the round-trip pulses within a predetermined measurement window; and determining a distance between the first node and second node at least partially based on the measured round trips of the round-trip pulses and the internal delay of at least one of the first node or the second node.

The embodiment of the present invention provides a method and system for remote server construction, which relates to the field of computer technology. The method remotely builds a server through PXE booting, automatically generates a boot compression package without the need for physical media, and installs an operating system based on the boot compression package, which can save hardware costs and resources and facilitate centralized management of servers. The automated and network-based server construction method effectively reduces the workload and human errors of manual operations, improves the efficiency and accuracy of server construction, is suitable for large-scale server construction, and can assemble multiple servers at the same time.

An information processing apparatus includes a perforation processing setting unit configured to set whether to perform perforation processing of forming a perforation-shaped cut in a physical medium, a line setting unit configured to set whether to print a line at a position corresponding to a position of the perforation-shaped cut on the physical medium, and an instruction unit configured to instruct a printing apparatus to perform the perforation processing and to print the line based on the setting by the perforation processing setting unit and the setting by the line setting unit.

The invention discloses a delimiting method, device and equipment and a readable storage medium, and belongs to the technical field of communication. The method comprises the steps that a physical medium attachment (PMA) training sequence is received, the PMA training sequence comprises first data and second data, and a delimiter is included between the first data and the second data; identifying a delimiter in the PMA training sequence; and according to the delimiter, delimiting data in the PMA training sequence to obtain a delimiting result. According to the application, the PMA training sequence including the delimiter is constructed at the sending end, so that the receiving end can realize accurate and efficient delimitation based on the delimiter in the PMA training sequence.

A mechanism for improving read command processing time in a solid-state drive (SSD) is provided, the mechanism comprising: determining a workload type of the SSD; and in response to determining that the workload type is a pure read workload type, using at least one hardware processor, determining at least one command size into which the original background write will be split; and splitting the background write into a plurality of split background writes, each having one of the determined at least one command size. In some embodiments, the at least one command size constitutes one page of a physical medium of the SSD. In some embodiments, the at least one command size includes at least two different sizes. In some embodiments, the mechanism further comprises combining two or more split background writes. In some embodiments, the original background write is split before being placed in a channel queue.

Systems and methods for mechanically processing physical media elements, e.g., automatically scratching scratch-off lottery tickets, may include receiving a batch of tickets at an input chute of a scratching system. Tickets may be serially fed through the scratching system that includes a series of roller scratching mechanisms. Pressure rollers may be individually adjustable to set a pressure of the scratching mechanisms. One or more scanners may obtain information from the tickets before and / or after scratching. A pair of parallel plates may be used to form a feed path to guide tickets through the system. A vacuum manifold may isolate some elements of the system from debris, and remove the debris from the system via negative pressure. One or more presence sensor may detect presence of a current ticket to control operation of feed motors. Various functions or elements of the system may be distributed over a plurality of removable modules.

A system and method of processing Automotive Ethernet and High-Speed Ethernet signals. The method includes forming a first data path according to a first transmission protocol and a second data path according to a second transmission protocol. The method includes selecting the first data path to receive a first bitstream compliant with the first transmission protocol at a first data rate. The method includes encoding the first bitstream using a first encoding scheme to produce a first encoded bitstream. The method includes upsampling the first encoded bitstream to produce an upsampled bitstream at a different data rate. The upsampled bitstream aligns with transmission requirements of a Physical Medium Attachment (PMA) device. The method includes forwarding the upsampled bitstream to the PMA device.

A method of reducing the effects of variation in latency in data transfer between clock domains of a physical layer transceiver, the physical layer transceiver comprising physical coding sublayer circuitry having a first clock in a first clock domain and physical medium attachment circuitry having a second clock in a second clock domain, comprising: during initial training of the link, determining a transmit latency value in a transmission direction from the first clock domain to the second clock domain; during initial training of the link, separately from determining the transmit latency value, determining a receive latency value in a reception direction from the second clock domain to the first clock domain; and using the transmit latency value and the receive latency value to calculate latency in data transfer between the first clock domain and the second clock domain after the initial training until a subsequent training.