ac

Passenger tire having low rolling resistance with improved wet traction and treadwear

A tire having a tread includes an outer tread layer and an inner tread layer. The inner tread layer includes one of a first elastomeric compound and a second elastomeric compound. The outer tread layer includes the other of the first and second elastomeric compounds. The second elastomeric compound has a lower rolling resistance and greater resistance to treadwear than the first elastomeric compound. The inner tread layer increases in thickness across at least a widthwise portion of the outer tread layer with a maximum thickness of one of the inner tread layer and the outer tread layer occurring near at least one of a first shoulder and a second shoulder of the tread. As the tread wears, the inner tread layer defines a greater proportion of a running surface of the tread.




ac

Rubber compositions for bead apex, sidewall packing, base tread, breaker cushion, steel cord topping, strip adjacent to steel cords, tie gum, and sidewall, and pneumatic tires

The present invention provides a rubber composition that improves in terms of the fuel economy of a rubber composition containing an isoprene-based rubber and also offers favorable durability and favorable processability or adhesion to steel cords, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for a bead apex, sidewall packing, base tread, or breaker cushion, including: a specific rubber component; a specific amount of a specific carbon black; a specific amount of sulfur; and a specific amount of a compound represented by formula (I) below. The present invention also relates to a rubber composition for a steel cord topping, strip adjacent to steel cords, or tie gum, including: a specific rubber component; a specific amount of a specific carbon black; a specific amount of an organic acid cobalt salt; and a specific amount of a compound represented by the formula (I).




ac

Pneumatic tire and manufacturing method of pneumatic tire

In the invention, at least a tire outer circumferential side portion of a tread portion is formed of a non-conductive rubber layer. The non-conductive rubber layer is formed by winding and laminating a non-conductive rubber ribbon along a tire circumferential direction. A conductive layer is provided on an outer circumference of the non-conductive rubber ribbon, and the conductive layer continuously and spirally extends along the tire circumferential direction, and is exposed on a tread surface from a bottom surface of the non-conductive rubber layer toward a tire outer circumferential side. Accordingly, an electricity generated in a vehicle body is discharged to a road through the conductive layer. Since the conductive layer is scattered within the non-conductive rubber layer and exposure on the tread surface is preferably secured, it is possible to achieve an excellent conductivity.




ac

Pneumatic tire having ratio of actual section height to calculated section height

A pneumatic tire in which: a carcass layer is laid between paired bead sections; a belt layer is buried, on the outer peripheral side of the carcass layer, in a tread section; and multiple main grooves extending in a tire circumferential direction are provided in the tread section. In the pneumatic tire, a maximum groove depth of each of the main grooves is 8.5 mm to 15.0 mm, a ratio α of a section height SH of an actual tire to a section height SHstd calculated from a tire size is set in a range of 0.97≦α≦0.99, a contact area ratio is 65% to 70% under a measurement condition where an air pressure is 200 kPa and a load is 50% of a load carrying ability with the air pressure of 200 kPa, and an average contact pressure P is 300 kPa to 400 kPa under the measurement condition. The tire achieves enhanced wet performance without increasing tire weight.




ac

System and Method for Dynamically Composing an Integrated Open Source Stack

System and method for dynamically composing an integrated open source stack are disclosed. In one embodiment, the method comprises generating a stack specification. The method further comprises extracting a list of products from an open source product repository based on the stack specification and determining a product strength value for each product present in the list of product. The method further comprises generating one or more stack options comprising at least one of the products based on the product strength value and determining a stack strength value for each of the one or more stack options based on the product strength value and the user requirements. The method further comprises selecting a stack from the one or more stack options as the integrated open source stack and composing the integrated open source stack based on at least one of product metadata, adaptor metadata, or product scripts.




ac

SLOPPY FEEDBACK LOOP COMPILATION

A system, method, and a computer-readable storage device for sloppy feedback loop compilation are described herein. For example, a dataflow application definition can be obtained. The dataflow application definition may include a feedback loop bounding a compute block. It may then be determined that the feedback loop is to be compiled as a sloppy feedback loop. The dataflow application can then be compiled as an executable object that pipelines the compute block of the dataflow application.




ac

SYSTEM AND METHOD FOR PREDICTING ESTIMATION OF PROJECT FACTORS IN SOFTWARE DEVELOPMENT ENVIRONMENT

The present disclosure relates to a method for predicting estimations of project factors in software development environment. The method comprises receiving first input data including at least one type of first software development model and associated one or more first project data from a user. The method further comprises identifying one or more first software agents based on the at least one type of the first software development model. The method further comprises processing the one or more first project data using the identified one or more first software agents to identify one or more first intermediate data required for project factors estimation. The method further comprises calculating estimations of the project factors using the identified one or more first intermediate data.




ac

CONTROLLERS, OUTPUT DEVICES, OR TELEVISIONS SUPPORTING VOICE ACTIVATED COMMANDS

An output device or controller supporting voice activated commands by using a portable electronic device is herein disclosed and enabled. The output device may be a television, a controller connectable to a television, a printer, a sound output device, or a projector. The portable electronic device for wirelessly managing or driving the output device may include a microphone to receive voice activated commands. The output device includes wireless circuitry to establish a direct wireless connection (e.g., Bluetooth, etc.) with the portable electronic device, and subsequently, the output device, using the established direct wireless connection, is operable to: wirelessly receive first information from the portable electronic device; wirelessly send to the portable electronic device second information in response to receiving the first information; and wirelessly receive from the portable electronic device data related to voice activated commands from a user.




ac

USER INTERFACES IN A COMPUTER SYSTEM

The disclosure relates to generation of at least one second instance of a user interface presented by a first device. The first device stores data objects comprising event information associated with user interfaces presented by the first device based on data from a source of data. The first device can generate a user interface based on data from the source of data and at least one of the stored data objects. The at least one data object is communicated from the first device for use by at least one second device in generation of a second instance of the generated user interface by the at least one second device.




ac

METHOD AND SYSTEM FOR GENERATING AND CONTROLLING COMPOSITE USER INTERFACE CONTROL

Embodiments of the present disclosure relate to the field of multimedia technologies and disclose methods for generating and controlling a composite user interface control and an electronic device. The method for generating a composite user interface control includes the following steps: creating at least one composite control, where the composite control includes at least two subcontrols; adding each subcontrol to the composite control; respectively setting a general attribute and a unique attribute of each subcontrol; acquiring a resource of each subcontrol and transmitting the resource to a corresponding subcontrol; and adding an event response mechanism to the composite control. In some embodiments of the present disclosure, the method for generating a composite user interface control may enable a manner for generating a user interface control to be relatively simple, which facilitates control over and modification on all user interface controls or a single user interface control on a user interface.




ac

Mnemonic Support of Users in Guided Activity Floorplans

Methods and systems that facilitate the generation, presentation, and adaptation of an anchored information bar, associated with a guided activity floorplan or wizard, in support of assisting users as they complete the different steps of a complex task as the user employs software applications (and associated user interfaces) on their devices to go about their different activities.




ac

SYSTEMS AND METHODS FOR ASYMMETRICAL FORMATTING OF WORD SPACES ACCORDING TO THE UNCERTAINTY BETWEEN WORDS

Asymmetrical formatting of word spaces according to the uncertainty between words includes an initial filtering process and subsequent text formatting process. An equivocation filter generates a mapping of keys and values (output) from a corpus or word sequence frequency data (input). Text formatting process for asymmetrically adjusts the width of spaces adjacent to keys using the values. The filtering process, which generates a mapping of keys and values can be performed once to analyze a corpus and once generated, the key-value mapping can be used multiple times by a subsequent text processing process.




ac

USER INTERFACE CONTROL LAYOUT METHOD AND ELECTRONIC DEVICE

Embodiments of this disclosure relate to the field of multimedia technologies, and disclose a user interface control layout method and an electronic devices. The user interface control layout method includes the following steps: creating a relative layout container, where the relative layout container is used to contain child controls, and the child controls are a relative layout container or a normal control; specifying an attribute of a child control for the relative layout container; generating the child control; and if the child control is a relative layout container, repeating the foregoing steps, until all the child controls in the relative layout container are normal controls. In some embodiments of this disclosure, multiple UI controls of different sizes or types may be generated one by one through layout and arrangement, and the UI controls of different sizes or types may be nested with each other, and thereby UI interfaces based on different rules can be quickly implemented to meet different requirements of various products for UI control arrangement.




ac

DOCUMENT HISTORY INTERFACE

A document history interface provides a visual document history. In particular, document history application provides for tracking, storing and presenting events occurring over a document lifecycle to provide a robust interface for visualizing and accessing the document's history. In aspects, an interactive document timeline with a scroll control is provided to roll back through the document history. The interactive document timeline includes visual indicators for events that occurred during the document lifecycle, including but not limited to authoring events, communication events, and document branching events. A play control is further provided with the interactive document timeline such that a time-lapse rendition of events occurring over the document history may be displayed. In some aspects, upon scrolling to particular points along the interactive document timeline, legacy versions of the document may be saved as new documents.




ac

SYSTEMS AND METHODS FOR PROCESSING REAL-TIME AND HISTORICAL DATA AND GENERATING PREDICTIVE GRAPHICAL USER INTERFACES

Computer implemented systems and methods are provided for generating a predictive graphical user interface. In some embodiments, a system for generating a predictive graphical user interface may comprise at least one processor configured to receive real-time and historical data associated with utilization of a facility. The at least one processor may be configured to generate, based on the real-time and historical data, instructions to display a user interface depicting a first representation of utilization of the facility at a first time. The at least one processor may be configured to receive a request to display a second representation of utilization of the facility, the request including a selection of a second time, and generate, based on the real-time and historical data, instructions to display, within the interface, a second representation of utilization of the facility, the second representation reflecting utilization at the second time, wherein the second time is a future time relative to the first time.




ac

Methods and Systems for Managing Multiple Communication Sessions from a Single On-Screen User Interface

An exemplary communication session management system concurrently presents a plurality of session icons within a single on-screen user interface, each session icon representative of a respective communication session and configured to visually indicate a session status of the respective communication session. The communication session management system further detects a user action performed by a user with respect to one of the plurality of session icons, modifies a communication session in response to the user action, and graphically indicates the modification of the session status of the communication session. Corresponding systems and methods are also described.




ac

Retractable key storage apparatus with original key adaptor

The invention provides an apparatus to retractably store multiple keys. The apparatus is designed to permit a user to install up to eight (8) custom keys in a compact “key wallet.” Individual keys are pivotally deployed by pressing a designated button on the apparatus and are returned to a stowed position by rotating the key back into the apparatus until it locks into position. The apparatus uses a spring-loaded key release mechanism to release and retract the keys.




ac

Actuator for movable furniture parts

A device includes an actuating device, and the actuating device includes: a locking device having a lock; an actuating member which pivots about an axis of rotation to move a movable furniture part; and a spring device which biases the actuating member to pivot about the axis of rotation in an opening direction. The lock is lockable by a key for preventing the actuating member from pivoting about the axis of rotation, and the lock is unlockable by the key for enabling the actuating member from pivoting about the axis of rotation.




ac

Capacitive data transfer in an electronic lock and key assembly

An electronic key may include a partial capacitor comprising a capacitive metal plate in communication with a processor. The capacitive metal plate of the partial capacitor is configured to form a capacitor with a corresponding capacitive metal plate of a lock when brought into proximity with the metal plate of the lock. Data may be transferred from the key to the lock using a capacitor formed by combining the two metal plates, wherein a common ground is established between the metal plate of the key and the metal plate of the lock through a parasitic capacitance present between the key and lock circuitry.




ac

Secure raceway with lockable access

A system for securing an access opening of a cable raceway using a single padlock includes a cover having a securing wall and opposed first and second sidewalls, which form a channel for accommodating at least a portion of the cable raceway with the securing wall covering the access opening. First and second insert bars engage the first and second sidewalls and a lock bar engages the first and second insert bars and may be locked in an engaged position to prevent the first and second insert bars from being disengaged with the cover and to secure the cover about the cable raceway preventing access to the access opening.




ac

Box cutter with retractable blade

A box cutter includes a housing with a blade slide slidably received therein. A pivotal member is pivotably connected to of the blade slide. An inclined face is defined in one of surfaces of the pivotal member and is gradually raised. The inclined face is connected to a pressing area which has two respective rounded guide portions. A spring is connected between the pivotal member and the housing to maintain the blade slide at the initial position. A button is slidably connected to outside of the cover and a spring is connected between the button and the cover. The button is moved to move the blade slide from the initial position thereof to an extended position. When the blade is cutting a workpiece, the blade is tilt and the pivotal member is pivoted by the cover so that blade slide is retracted into the housing.




ac

Shaver having spaces for collecting cut-off hairs

A shaver includes a shaving unit having e.g., three shaving elements. Each shaving element accommodates a cutter member for cutting off hairs. Each shaving element further accommodates a gear wheel which is part of a transmission for coupling a drive shaft for driving the cutter member to an output shaft of a motor of the shaver. A top side of a space where the gear wheel is located is covered by a partition, where only the drive shaft extends through this partition. Each shaving element can be individually opened by removing a top portion of the shaving element, including the cutter member, from a base portion of the shaving element where the gear wheel, the drive shaft and the partition are located. An opening system may be provided to open all the shaving elements in one action by reversal of the direction of rotation of the output shaft, for example.




ac

Razor cartridge with skin contact element

A razor cartridge has a housing, a guard located at a front of the housing and a cap located at a rear of the housing. A skin contact element is disposed in the housing partway between the guard and the cap. A skin contact plane defines a plane tangential to the guard and the skin contact element and a plane tangential to the skin contact element and the cap. One or more blades are located between the guard and the skin contact element, each of the blades having a cutting edge located at a distance y1 between 70 μm and 300 μm and at an angle α1 between 20° and 45° below the skin contact plane. One or more blades are located between the skin contact element and the cap, each of the blades having a cutting edge located at an angle α2 above or below the skin contact plane, wherein α2 is lower in magnitude than α1.




ac

Compound action snips

Compound action snips includes include first and second handles pivotally connected to each other, and first and second blades. The first handle includes first and second walls arranged opposite to each other. The second wall includes a recess. The first blade is mounted to the first handle. The second blade is mounted to the second handle. A fastener inserts through the first wall, the first blade, and the second wall. A fixing element is received into the recess and threaded onto the fastener, so that a top surface defined on the fixing element is not exposed out of the second wall of the first handle.




ac

Jab saw accessory tool for an oscillating tool

An accessory for a power tool, includes a mounting portion configured to mate with an oscillating drive member of a power tool. A support arm portion extends from the mounting portion in a first direction. The support arm portion includes an inner edge that faces in a second direction transverse to the first direction. A blade portion extends from the support arm generally in the second direction. The blade portion includes a trailing edge arranged facing generally toward the mounting portion and a leading edge arranged facing generally away from the mounting portion. The trailing edge and the leading edge portion meet to define a pointed tip portion.




ac

Shoe accessory for a saw

An accessory for a reciprocating saw, having a blade configured to cut a workpiece and a shoe including a guiding surface for engaging the workpiece, includes a body having a first face and a second face opposite the first face. The body includes a member proximate the second face for coupling the accessory to the shoe. A guiding surface is defined on the first face of the body for engaging a workpiece and an opening is formed in the body for receiving the blade. The guiding surface constitutes a modified surface configured to differ from the guiding surface of the shoe by at least one characteristic.




ac

Safety scalpel with replaceable blade cartridge and safety brake

A safety scalpel that incorporates a reusable metal scalpel handle (500) similar in shape and feel to the conventional metal handle preferred by most surgeons, and a disposable blade cartridge (300) that covers the blade (100) before, during and after use, and is easily mounted and released from the scalpel handle. The blade cartridge includes a blade (100) with similar cutting profiles as standard surgical blades, a blade holder that is permanently fixed to the blade, and a blade guard (300) that covers the blade and within which the blade holder (200) is able to slide. The scalpel handle is reusable, while the blade cartridge is disposable. The blade cartridge is attachable and detachable from the scalpel handle and may include a mechanical brake (1301) to prevent movement of the blade except when the reusable handle is in place. A safety latch feature (2230) is provided.




ac

Turbomachinery with integrated pump

The disclosed embodiments include self-lubricating oil feed systems that may include an integral bearing. The oil feed systems may include gear pumps suitable to minimize the axial profile of the oil feed systems. Additionally, the oil feed systems may be directly coupled to turbomachinery having a gear, and provide for mechanical support and lubrication of certain components of the turbomachinery. In certain embodiments, the oil feed systems enables the transfer of a lubrication fluid to the bearing during operations of the turbomachinery.




ac

Turbomachine fluid delivery system

An exemplary system for delivering a turbomachine fluid to a supplied area is a pump configured to draw fluid from both a first container and a second container when operating in both a positive g-force environment and a negative g-force environment. The fluid from the first container in a positive g-force environment is a mixture of air and oil, and the fluid from the first container in a negative g-force environment is primarily oil.




ac

Accessing a valve assembly of a turbomachine

An example method of accessing a valve assembly of a turbomachine includes accessing a check valve of the valve assembly from a first position that is radially outside a flow path through the turbomachine. The method accessing a shut off valve of the valve assembly from a second position that is radially outside the flow path. The check valve and the shut off valve are configured to influence communication of lubricant along a lubricant communication path that extends between a location radially outboard the flow path and a location radially inboard the flow path. The first position is the same as the second position in some examples.




ac

Lubrication system having segmented anti-backflow feature

A tank includes a tank discharge passageway at least partially within a tank body. A segmented anti-back flow structure is mounted adjacent to the tank body and the tank discharge passageway.




ac

Article of footwear with a ball contacting member

An article of footwear with a ball contacting member is disclosed. The ball contacting member enhances the ability of a wearer to kick a ball with a low trajectory. The ball contacting member can be attached to the article of footwear in various different ways.




ac

Anti-slip shoe accessory for court sports

A traction-enhancing cleaning kit for allowing sports players to clean and dry the soles of their court shoes while in-play. The cleaning kit comprises a gellified shoe cleaning fluid (3), and a shoe-attachable cleaning and drying device (1) comprising a gel-absorbent cleaning/drying cartridge (2) removably secured by hook-and-loop to a carrier platform (4), which is in turn secured along the forefoot of the sneaker by its laces. The cartridge (2) includes an encapsulated viscose rayon microfiber panel (20) backed by a moisture-impermeable layer (30), and held captive in a plastic frame (10). The frame (10) includes a raised wiping lip (114) surrounding the panel (20). In use, the player need only swipe one foot over the top of the cleaning and drying device (1) attached to the other foot, brushing the sole. One swipe wets and squeegees dry, and the process is repeated for the other foot.




ac

Footwear accessory

A footwear accessory comprising a reversible footwear cover, the cover adapted to cover an article of footwear's uppers, sole and heel counter; a two sided sole attached to the cover, the sole adapted to provide both a frictional surface between the footwear and the cover and between a walking surface and the footwear; and, a cover retainer for securing the footwear cover to the footwear, the retainer being integral to the cover and adapted to be inserted into the footwear and positioned between a user's foot and the footwear.




ac

Compositions comprising refrigerant and lubricant and methods for replacing CFC and HCFC refrigerants without flushing

A composition comprising a refrigerant and a lubricant is disclosed, wherein the refrigerant comprises (i) a fluorocarbon selected from the group consisting of R125, R134a, R32, R152a, R143a, R218 and mixtures thereof, and (ii) a hydrocarbon selected from the group consisting of propane, n-butane, isobutane, n-pentane, isopentane, dimethyl ether, and mixtures thereof; the lubricant comprises (iii) a hydrocarbon-based lubricant component; and (iv) a synthetic lubricant component; and the synthetic lubricant component is less than 30% by weight of the total lubricant. Also disclosed are methods of replacing refrigerants in refrigeration or air conditioning systems containing a refrigerant comprising a CFC or HCFC and a lubricant. The methods involve adding to the system (a) a replacement refrigerant comprising (i) a fluorocarbon selected from the group consisting of R125, R134a, R152a, R32, R143a, R218 and mixtures thereof, and (ii) a hydrocarbon selected from the group consisting of propane, n-butane, isobutane, n-pentane, isopentane, dimethyl ether, and mixtures thereof; and (b) a synthetic lubricant component; wherein after refrigerant replacement the synthetic lubricant component is less than 30% by weight of the total amount of lubricant in the system.




ac

Cryopump and vacuum pumping method

A cryopump 10 includes: a first cryopanel including a radiation shield 18 having a shield opening 20 and a louver 23 arranged in the shield opening 20; a second cryopanel 24 surrounded by the first cryopanel; and a refrigerator 14 configured to cool the first cryopanel to a first cooling temperature and to cool the second cryopanel to a second cooling temperature lower than the first cooling temperature. A rough surface 42 is formed on the louver 23.




ac

Methods for removing heat from enclosed spaces with high internal heat generation

Methods are provided for cooling data centers based on a cooperative system including a plurality of Indirect Air-Side Economizers, also referred to as Recirculation Air Cooling Units, that are advantageously operated in conjunction with one or more Side Stream Filtration Units or filters inclusive to a portion of the IASE/RACUs, and one or more Make-Up Air Dehumidification/Humidification Units for the introduction of ventilation air and control of humidity within the enclosed space. An objective of the systems and methods according to this disclosure is to provide the necessary rejection of heat, removal of particulate from the air, and control of the absolute moisture content of the air within a data center.




ac

Ice making device and control method using electrostatic capacitance

An ice making device may include an ice tray, a water-supply part for supplying water to the ice tray, an electrostatic capacity sensor having two or more electrodes attached to the ice tray, a water quantity detecting section for detecting a water quantity in the ice tray on a basis of variation of an electrostatic capacity between the electrodes of the electrostatic capacity sensor, and an ice frozen detecting section for detecting water supplied to the ice tray having been frozen on the basis of the variation of the electrostatic capacity between the electrodes of the electrostatic capacity sensor. A control unit for the ice making device controls the water-supply part, an ice tray drive part and an ice detecting part on the basis of variation of the electrostatic capacity between the electrodes of the electrostatic capacity sensor.




ac

Vacuum insulated door structure and method for the creation thereof

A vacuum insulated door structure comprises a first wall having a first edge, outer sidewalls that extend from the first edge to a perimetrical lip, a first inner surface and a first outer surface. A second wall has a second inner surface, a second outer surface and a second edge coupled to the perimetrical lip forming a cavity volume. The second wall includes inner sidewalls defining a second wall opening. The inner sidewalls extend to a back wall and define a second wall offset. A tubular member includes a first end coupled to a first conduit opening in the first wall and a second end coupled to a second conduit opening in the second wall offset. A barrier layer is disposed on the first and second walls and the tubular member. A cavity insulation material is disposed within the cavity volume which is hermetically sealed.




ac

Electro-hydrodynamic cooling with enhanced heat transfer surfaces

The electronic control has an electric control which incorporates circuitry which will generate heat in use. A cooling channel placed in contact with at least one surface on the electric control. The cooling channel has a portion which receives an enhanced heat transfer surface. At least one electrode pair is mounted on an inlet channel portion upstream of the portion of the channel that receives the enhanced heat transfer surface. A source of current is provided for the electrode. The electrode induces an electric field in the inlet channel, to drive a dielectric fluid across the enhanced heat transfer surfaces.




ac

ADDRESS CACHING IN SWITCHES

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for storing an address in a memory of a switch. One of the systems includes a switch that receives packets from and delivers packets to devices connected to a bus without any components on the bus between the switch and each of the devices, a memory integrated into the switch to store a mapping of virtual addresses to physical addresses, and a storage medium integrated into the switch storing instructions executable by the switch to cause the switch to perform operations including receiving a response to an address translation request for a device connected to the switch by the bus, the response including a mapping of a virtual address to a physical address, and storing, in the memory, the mapping of the virtual address to the physical address in response to receiving the response.




ac

PHYSICAL LAYER NETWORK INTERFACE MODULE (PHY-NIM) ADAPTATION SYSTEM

A physical layer network interface module (PHY-NIM) adaptation system provides a PHY-NIM device and an attachable media access control (MAC) device. The PHY-NIM device interconnects with the attachable MAC device and the attachable MAC device interconnects to a network appliance to provide at least one of network switch capabilities and MAC device capabilities for use by the network appliance. The PHY-NIM device interconnects directly to the network appliance where the network appliance has at least one of an internal network switch and an internal MAC device in a southbridge input/output (I/O) interface chip of the network appliance.




ac

Interface with Variable Data Rate

A device includes a transmitter coupled to a node, where the node is to couple to a wired link. The transmitter has a plurality of modes of operation including a calibration mode in which a range of communication data rates over the wired link is determined in accordance with a voltage margin corresponding to the wired link at a predetermined error rate. The range of communication data rates includes a maximum data rate, which can be a non-integer multiple of an initial data rate.




ac

METHOD AND APPARATUS FOR PROTECTING A PCI DEVICE CONTROLLER FROM MASQUERADE ATTACKS BY MALWARE

A technique allows for protecting a PCI device controller from a PCI BDF masquerade attack from Ring-0 and Ring-3 malware. The technique may use Virtualization technologies to create guest virtual machines that can use a hypervisor to allocate ACPI information from ACPI tables to a secure VM and using extended page tables (EPT) and VT-d policies to protect the MMIO memory range during illegal runtime events.




ac

Providing Orientation Support in Receptacles

A method of receiving a plug at a receptacle is disclosed. The method may include receiving a plug at a receptacle, the receptacle including contacts disposed with a rotational symmetry about a center point of the receptacle. The method may also include determining, via detection circuitry, any orientation of the plug inserted into the receptacle. The method may also include changing, via selection control circuitry, a connection path coupled to the contacts based on the orientation of the plug.




ac

COMPUTING SYSTEM WITH A CACHE INVALIDATION UNIT, A CACHE INVALIDATION UNIT AND A METHOD OF OPERATING A CACHE INVALIDATION UNIT IN A COMPUTING SYSTEM

The present application relates to a cache invalidation unit for a computing system having a processor unit, CPU, with a cache memory, a main memory and at least one an alternate bus master unit. The CPU, the main memory and the at least one an alternate bus master unit are coupled via an interconnect for data communications between them. The cache invalidation unit generates one or more invalidation requests to the cache memory in response to the alternate bus master unit writing data to the main memory. The cache invalidation unit comprises a page address generator unit to generate page addresses relating to at least one address range and an invalidation request generator unit to generate an invalidation request for each page address. The one or more generated invalidation requests are transmitted by the cache invalidation unit via to the cache memory of the CPU.




ac

SPECULATIVE ENUMERATION OF BUS-DEVICE-FUNCTION ADDRESS SPACE

A first device is determined as connected to a first one of a plurality of ports of a root complex. Addresses are assigned corresponding to a first hierarchy of devices including the first device. A second device is determined as connected through a mapping portal bridge at a second one of the ports of the root complex, the second device included in another second hierarchy of devices. A mapping table is generated that corresponds to the mapping portal bridge. The mapping table defines a translation between addressing used in a first view of a configuration address space of the system and addressing used in a second view of the configuration address space. The first view includes a view of the root complex and the second view includes a view corresponding to the second hierarchy of devices, the first hierarchy of devices being addressed according to the first view.




ac

PERIPHERAL INTERFACE CIRCUIT

A peripheral interface circuit and a peripheral memory system are provided. The peripheral interface circuit includes an interface sequencer, an input/output controller, a register unit and a data buffer. The interface sequencer receives requests from the input/output controller and accesses the peripheral memory in response to the requests. The data buffer is randomly accessed by address. If target data of the data access request exists in the data buffer, the input/output controller returns data from the data buffer in response to the request; if target data of the data access request does not exist in the data buffer, the input/output controller sends an interface request to the interface sequencer to access the peripheral memory and keeps a copy of at least the target data in the data buffer.




ac

METHOD AND SYSTEM FOR PROVIDING ACCESS OF A STORAGE SYSTEM USING A SHARED STORAGE MODULE AS A TRANSPORT MECHANISM

According to one embodiment, a first control module (CM) of a storage system receives a first request from a client device to read first data stored in a second storage location of a storage module, where the second storage location is associated with a second CM. The first CM includes a first processor and the second CM includes a second processor. The first CM transmits a first control signal the second CM via the inter-processor link to request the second CM to copy the first data from the second storage location to a first memory location associated with the first CM. The first CM initiates a first data transaction to transmit the first data from the first memory location to the client device through a communication fabric without having to go through the second CM.




ac

HARDWARE ACCELERATED COMMUNICATIONS OVER A CHIP-TO-CHIP INTERFACE

A device and method for communicating, via a memory-mapped communication path, between a host processor and a cellular-communication modem are disclosed. The method includes providing logical channels over the memory-mapped communication path and transporting data organized according to one or more cellular communication protocols over at least one of the logical channels. In addition, the method includes acknowledging when data transfer occurs between the host processor and the cellular-communication modem, issuing commands between the host processor and the cellular-communication modem, and communicating and managing a power state via one or more of the logical channels.