ed

Wedge-shaped vehicle barrier with sling

A wedge-shaped vehicle barrier, including a top assembly pivotably coupled to a bottom assembly; a mechanism coupled to the top assembly and coupled to the bottom assembly, where the mechanism moves the top assembly between a first position that is substantially horizontal and a second position at a first angle; and one or more flexible slings coupled to a distal portion of the top assembly and a distal portion of the bottom assembly, where the one or more slings prevent the top assembly from rotating beyond a second angle when the top assembly is engaged by a vehicle, the second angle being greater than or equal to the first angle.




ed

Modifying compaction effort based on material compactability

A vibratory compactor having a first compacting element having a variable vibratory mechanism that sets a modifiable compaction effort, a second compacting element, a first sensor configured to measure a first surface compactability associated with the first compacting element, a second sensor configured to measure a second surface compactability associated with the second compacting element and a control system. The control system is configured to receive the first surface compactability, receive the second surface compactability, determine a target compaction effort for the first compacting element based on the first surface compactability and the second surface compactability, and modify the variable vibratory mechanism to set the compaction effort at the target compaction effort.




ed

Paver having dowel bar inserter with automated dowel bar feeder

A paver for laying down a strip of concrete and inserting therein dowel bars parallel to the strip. A dowel bar inserter orients the bars and places them into the concrete. A pair of transport chains transverse to the travel direction extends across a width of the inserter. Pairs of generally L-shaped opposing cups hold the bars so that they can drop downwardly from the cups towards the strip. The chains move in a single direction. A dowel bar holding magazine, above the chains, stores bars, and gravitationally moves the bars towards the chains for pick-up by cups as the chains move the cups past a bar loading station. Elastic bands extend about a bar engaging surface defined by a wheel and resiliently bias the bars moving along the chain turn-around section against the wheel.




ed

Lipstick case lipstick body lift seat anti-slipped structure

A lipstick case lipstick body lift seat anti-slipped structure includes a lipstick case, an outer tube, a lift seat with an opening facing upward, and a lipstick body. A plurality of anti-slipped blocking grooves is formed on an upwardly inclined side of each of the two inclined guiding grooves. The outer tube is sleeved on an outer side of the small diameter guiding tube, and a spiral guiding groove is disposed on an inner wall of the outer tube concavely. The lipstick body is sleeved in the lift seat. Two lift guiding columns are disposed on an outer wall of the lift seat protrudingly for engaging with the inclined guiding grooves correspondingly and pressing into the spiral guiding groove. An anti-slipped blocking portion is protrudingly disposed on an outer diameter of each of the lift guiding columns corresponding to the anti-slipped blocking grooves.




ed

Thermochromic color-memorization toner, cartridge including same housed therein, image formation apparatus, cartridge set, and image formation apparatus set

The present invention relates to a thermochromic color-memory toner containing: a microcapsule pigment encapsulating a thermochromic color-memory composition; and a binder resin, in which the microcapsule pigment shows a hysteresis characteristic that, in a temperature-rise process, decoloration starts when the temperature reaches t3 and the pigment completely reaches a decolored state in a temperature region of t4 or higher, and in a temperature-drop process, coloration starts when the temperature reaches t2 and the pigment completely reaches a colored state in a temperature region of ti or lower, and ti is in a range of from −50 to 0° C. and t4 is in a range of from 50 to 150° C.




ed

Combined hand held surface cleaning and powered spray device

A powered, spray cleaning device that can be operated in an inverted orientation is provided. The cleaning device includes a cleaning head and an elongated handle configured to be grasped by a user. A container of cleaning solution is removably received by the handle, and when received by the handle, fluid from the container fills a fluid accumulator. Fluid in the fluid accumulator is prevented from flowing back into the container when the device is inverted, thus allowing the device to spray fluid when inverted.




ed

Container with improved opening system

Container for liquid or paste-like products, of the type consisting of a tank and of a closing cap of said tank and a handle for a stem carried by said cap, said tank consisting of a cylindrical body, limited above by a neck, said stem being configured to be introduced through said neck and having at the distal end thereof an application unit, characterized in that on the outer periphery of said neck there are provided relief shaped elements guiding and retaining pin elements projecting internally from said cap, said shaped elements consisting of a serrated, annular base crown and a series of guiding and retaining bodies, the axis of which is angled with respect to the axis of said tank 1 , said bodies being mutually separated and separated from said annular crown by a channel.




ed

Communication system for helmeted user

A communication system for a user having a helmet including earphones and a microphone and including a two-way radio and a microphone-including unit carried by the user and connected to the two-way radio includes a sensor for sensing the presence of the user's head within the helmet. A transmitter associated with the sensor transmits a wireless signal to the microphone-including unit which enables the microphone-including unit to wirelessly receive voice-carrying signals transmitted from the helmet microphone for conductance to the two-way radio and enables the microphone-including unit to wirelessly transmit voice-carrying signals which are received by the microphone-including unit from the two-way radio to the helmet earphones. In addition, helmet-carried componentry permits the user to simultaneously communicate through the two-way radio and a bluetooth enabled cell phone.




ed

Mobile wireless device with multi feed point antenna and audio transducer and related methods

A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an audio circuit carried by the circuit board. The mobile wireless communications device may further include an antenna assembly including an antenna carrier frame coupled to the circuit board and defining a cavity therein, and an antenna element carried on the antenna carrier frame and having a plurality of spaced apart signal feed points coupled to the wireless communications circuit. In addition, an audio transducer may be carried within the cavity of the antenna carrier frame and coupled to the audio circuit.




ed

Wireless station, determination apparatus, wireless communication system, determination method, and storage medium

[Problem] To provide a wireless station, a determination apparatus, a wireless communication system, a determination method, and a storage medium which can carry out appropriate interference causing control in a secondary system adaptively to an actual environment with no change in a configuration of a primary system. [Means to solve the problem] A wireless station includes a determination means to determine at least one monitoring station measuring a wireless signal, which is transmitted by the wireless station and which causes interference to another system, out of plural wireless stations of a wireless communication system to which the wireless station belongs.




ed

Transmission power control on a wireless communication device for a plurality of regulated bands or component carriers

A wireless communication device is configured for performing uplink transmission power control. The wireless communication device includes a processor and instructions stored in memory. The wireless communication device performs uplink transmission power control for multiple regulated frequency bands or component carriers. The wireless communication device determines a total transmission power for at least one component carrier and allocates transmission power to at least one antenna.




ed

Location-based reminder process

A computer-implemented method and computing system for identifying, using one or more computing devices, an appointment scheduled for at least one user. Some embodiments may include determining, using the one or more computing devices, a present location for the at least one user and generating, using the one or more computing devices, a reminder for the appointment based upon, at least in part, the present location.




ed

Method for topology control using sectorized antennas in wireless networks

The invention concerns a method for optimizing antenna pattern assignment for a first wireless communication device forming a wireless network with at least one second wireless communication device, each of said communication device being equipped with a multi-sector antenna, an antenna pattern being a combination of said antenna sectors, said communication devices being adapted for sending a request and for receiving a response using a current antenna pattern assignment, said method comprising a step of: evaluating by said first communication device a first value;sending by said first communication device to said second communication device a broadcast request comprising said valuereceiving by said first communication device, a response to said broadcast request, said response being sent by said second communication device, said response depending on a second value evaluated by said second device;Switching or not, by said first communication device, to a new antenna sector assignment depending on said response; According to the invention the first value is evaluated by minimizing a first local function according to the received signal strength received by said first communication device having said current antenna pattern assignment and the second value is evaluated by minimizing a second local function according to the received signal strength received by said second communication device for its own current antenna pattern assignment.




ed

Storage enclosure with pivotably mounted midplane assembly

The invention provides storage enclosure, comprising an enclosure housing; one or more drawers slidably arranged within the enclosure housing, wherein each drawer has a pivotably mounted midplane having storage media coupled thereto wherein the storage media are coupled to both sides of the pivotably mounted midplane.




ed

Apparatus and methods for cooling rejected heat from server racks

The present invention is directed to apparatus and methods for cooling computer servers and/or electrical equipment in a rack device for data centers or telecommunication centers.




ed

Integrated structural slab and access floor HVAC system for buildings

A heat exchange and ventilation system integrated with a hollow core concrete floor having an air passage therethrough with an inlet and outlet for receiving air and permitting relative heat exchange therebetween; a raised floor supported by said hollow core concrete floor, defining a floor plenum between said hollow core concrete floor and said raised floor, said floor plenum communicating with said outlet so as to receive air from said air passage through said hollow core concrete floor; and adjustable terminal means carried by said raised floor for delivering a portion of said air from said floor plenum into a space above said floor. A method of conditioning air through a hollow core medium supporting a raised floor is also disclosed.




ed

Reflector assembly for eliminating unwanted stray lights

A reflector assembly for eliminating unwanted stray lights comprising a reflector body having a reflector body focal point on a reflector body optical axis where a light source is positioned and a front opening for receiving a lens, wherein the lens is configured to reflect light rays which emanate from the light source to strike the lens to the reflector body which is configured to reflect the light rays reflected by the lens back to the light source, and to reflect light rays which emanate from the light source and reflected by the reflector body to strike the lens back to the light source.




ed

Wide angle adjustable retrofit lamp for recessed lighting

A recessed lighting system is provided. The recessed lighting system includes a light module and a driver separately coupled to a chassis. The light module includes one or more rotatable prongs for allowing the light module to pivot while the driver and chassis remain static. By being mechanically separate, the driver does not interfere with the movement of the light module. In particular, since the light module is not directly coupled to and is mechanically separate from the driver, pivoting the light module does not require space in a cavity of an associated housing to accommodate the rotation of the driver. This independent freedom of movement allows the light module to achieve a greater degree of rotation in comparison to light modules that are mechanically dependent on drivers.




ed

LED lamp with cover having through holes

An LED lamp includes a base, a head connected to the base, an LED mounted on the base and a cover fixed on the base and covering the LED. The cover is made of metal and defines a plurality of through holes therein.




ed

Ornament with enclosed water-proof battery capsule

A decorative ornament capable of being completely illuminated about its surface including a hollow shell comprising a water-proof battery capsule is described. When the ornament is on display, the battery capsule is stored in a hollow shell of the ornament, in a manner such that only the removable lid of the battery capsule is visibly exposed. A battery pack, comprising one or more batteries, provides the power to illuminate the ornament and is enclosed within the battery capsule. The ornament surface is made using a water-resistant material. The battery capsule is made of a similar water-proof material and is sealed so as to prevent the battery pack from malfunctioning during various weather conditions. The battery pack's configuration enables the ornament to comprise a plurality of lighting modes, including full-on, blinking-on, and timer. The ornament can be displayed indoors or outdoors, and may be used year after year.




ed

Backlight unit with reflection structure formed on light guide plate and display device thereof

Embodiments of the invention disclose a backlight unit, including: a light guide plate, a light source member, a reflection film, wherein: the light guide plate (LGP) includes a light incident side, a light emission side and a bottom side opposite to the light emission side, the light guide plate is for emitting light entered from the light incident side through the light emission side; the light source member is disposed on the light incident side of the LGP and light emitted by the light source member enters the LGP through the light incident side of the LGP; the reflection film is at least disposed on the bottom side of the LGP and is for reflecting light back into the LGP; wherein a reflection structure is disposed on the bottom side of the LGP and a microstructure is disposed on the light emission side of the LGP.




ed

LED lamp

A LED lamp is disclosed which has a plurality of light unit, each of the light unit has at least one flat metal lead for heat dissipation and the lower part of the metal lead is mounted on a heat sink for a further heat dissipation.




ed

Microscope having a transmitted-light illuminating device for critical illumination

A microscope includes a light source including an LED device having a light radiating surface and a light directing element including a larger coupling-out surface. The light directing element is disposed so as to couple in light radiated by the light source and couple out the radiated light from the coupling-out surface. The light directing element is disposed so that the light is radiated out in an angular range of ±10° to ±50° and illuminates an area at 5 meters in an angular range of at least ±5° with intensity fluctuations of less than 50%. A condenser is disposed between the coupling-out surface of the light directing element and the object to be viewed. The condenser has an aperture with an aperture dimension and is disposed such that the aperture is irradiated completely with the light coupled out from the coupling-out surface.




ed

Lighted lid for beverage container

A lid for a beverage container or travel mug is provided that has one or more visual indicators to identify the location of the pour spout opening of the container or mug in low light conditions.




ed

LED assembly having a refractor that provides improved light control

An LED assembly that includes optics and optical arrangements for light emitting diodes (LEDs). In some embodiments, a reflector is provided within a void between the lens and the LED. This reflector can reflect light emitted by the LED in a non-preferred direction back toward the preferred direction. In other embodiments, an optical element is formed or otherwise provided in the lens cavity and shaped so that, when the lens is positioned above the LED, the refractor bends the emitted light in a preferred direction. In some embodiments, both a reflector and optical element are provided in the LED assembly to control the directionality of the emitted light. Such embodiments of the invention can be used to increase the efficiency of an LED by ensuring that generated light is being directed to the target area of choice.




ed

Device for holding a source of LED light

A lamp holder for holding a source of LED light includes a lamp holding component that is sized and arranged to securely receive the source of LED light. Keyed openings, engageable with fasteners associated with the mounting surface, are used to releasably attached the lamp holding component to the mounting surface and to urge the source of LED light against the mounting surface once the lamp holding component is attached thereto. Electrical contacts carried by the lamp holding component, provided to engage corresponding electrical contacts of the source of LED light, are also arranged to urge the source of LED light against the mounting surface when the lamp holding component is attached to the mounting surface. The lamp holding component also includes resiliently mounted holding elements for releasably holding the source of LED light in an accessible location.




ed

Self-powered light bar

An emergency system for a vehicle integrates many disparate equipment into single housing, including the power supply for the equipment. In one embodiment of the invention, the emergency system is a light bar. The light bar houses a power source comprising solar cell panels, a Lithium-Ion battery pack and a connection to an external supply such as the vehicle's electrical power. Energy for operating the light bar is provided by one or more of the power sources, depending on operating conditions of the light bar and each of the power sources.




ed

Dissection handpiece with aspiration means for reducing the appearance of cellulite

A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes. A tool is provided to aspirate excess fluid and tissue from the treatment area.




ed

Personalized tourniquet system having dual-purpose cuff

Disclosed is a method and apparatus for regulating tourniquet cuff pressure based on a personalized tourniquet pressure (PTP) to facilitate safe performance of a surgical procedure. The apparatus includes a dual-purpose tourniquet cuff adapted to encircle a region of a patient limb to provide both a sensor during a pre-surgical time period and an effector during a surgical time period. An effector module communicates pneumatically with an inflatable bladder of the cuff for maintaining pressure in the bladder near a PTP during the surgical time period to safely stop penetration of arterial blood past the cuff. A pulsation sensor that communicates pneumatically with the inflatable bladder during the pre-surgical time period senses and characterizes pressure pulsations that are indicative of penetration of arterial blood into the region of the limb encircled by the cuff. A PTP estimator is responsive to the pulsation sensor for producing an estimate of the PTP, such that the estimate of the PTP is a function of the sensed pulsations.




ed

Medical device with orientable tip for robotically directed laser cutting and biomaterial application

A medical device used in a medical robotic system has a conduit and an orientable tip. An optical fiber coupled to a laser source and/or a catheter coupled to one or more biomaterial sources extends through the conduit and tip so that the tip of the medical device may be robotically directed towards a target tissue for laser and/or biomaterial application as part of a medical procedure performed at a surgical site within a patient. A protective sheath covers the fiber as it extends through the conduit and tip. A first coupler adjustably secures at least the sheath to the medical device and a second coupler adjustably secures the fiber to at least the sheath. A similar dual coupler mechanism may be used to secure the sheathed catheter to the medical device.




ed

Medical device

An attachment for a surgical instrument including a drive input hub for connection to a power source; a drive output hub for connection to a surgical instrument; and a body connecting the drive input hub to the drive output hub, the body including a mechanism for transferring drive from the input hub to the output hub, and wherein the body, the drive input hub and the drive output hub are at least in part not coaxial. A method for surgically preparing a bone using the attachment is also provided.




ed

Medical device inserters and processes of inserting and using medical devices

An apparatus for insertion of a medical device in the skin of a subject is provided, as well as methods of inserting medical devices.




ed

Mobile electronic device configured to establish secure wireless communication

The invention relates to a method for configuring a mobile device capable of reproducing, for a user, multimedia content previously provided by a remote content server. The invention relates to using a client installed on said electronic device to relay authentication requests between a card, preferably complying with the provisions of the Mobile Commerce Extension standard, and an authentication server that is accessible via an access point.




ed

Network-based revocation, compliance and keying of copy protection systems

A method of authenticating a device involves establishing a local connection between a local target device and a local source device; at the source device, obtaining credentials of the target device via the local connection; at the source device, sending the credentials to a cloud authentication server via a secure communication channel; at the cloud authentication server, checking the credentials of the target device against a database of known good devices; at the source device, receiving a message from the cloud authentication server via the secure communication channel, said message indicating that the target device is authenticated; and delivering content from the source device to the target device on the condition that the target device is authenticated. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.




ed

Setting in wireless communication device for encrypted communication

A system administrator of a wireless LAN 100 manipulates a personal computer PC1 to change a WEP key. The personal computer PC1 authenticates a memory card MC as genuine under management of the system administrator. In the case of the authenticated memory card MC, changed setting information, as well as a previous WEP key before the change of the setting information, is written into the memory card MC. The system administrator then inserts this memory card MC into a memory card slot of a printer PRT1. The printer PRT1 authenticates the memory card MC as genuine under management of the system administrator. In the case of the authenticated memory card MC, the setting information is updated. This arrangement effectively relieves the user's workload in setting wireless communication devices, while ensuring the sufficiently high security.




ed

Private key generation apparatus and method, and storage media storing programs for executing the methods

Disclosed herein are a private key generation apparatus and method, and storage media storing programs for executing the methods on a computer. The private key generation apparatus includes a root private key generation unit and a sub-private key generation unit. The root private key generation unit sets a root master key and predetermined parameters capable of generating private keys, and generates a first sub-master key set capable of generating a number of private keys equal to or smaller than a preset limited number. The sub-private key generation unit generates private keys with the root private key generation unit by receiving the first sub-master key set from the root private key generation unit, to generate a private key corresponding to a user ID using the first sub-master key set, and issues the private key to a user.




ed

System and methods for UICC-based secure communication

A system that incorporates the subject disclosure may include, for example, instructions which when executed cause a device processor to perform operations comprising sending a service request to a remote management server; receiving from the management server an authentication management function and an encryption key generator for execution by a secure element and an encryption engine for execution by a secure device processor, sending a request to establish a communication session with a remote device; and communicating with the remote device via a channel established using an application server. The secure element and the secure device processor authenticate each other using a mutual authentication keyset. The secure element, the secure device processor and the device processor each have a security level associated therewith; the security level associated with the secure device processor is intermediate between that of the secure element and that of the device processor. Other embodiments are disclosed.




ed

Method and system for enhancing cryptographic capabilities of a wireless device using broadcasted random noise

A secret stream of bits begins by receiving a public random stream contained in a wireless communication signal at a transmit/receive unit. The public random stream is sampled and specific bits are extracted according to a shared common secret. These extracted bits are used to create a longer secret stream. The shared common secret may be generated using JRNSO techniques, or provided to the transmit/receive units prior to the communication session. Alternatively, one of the transmit/receive unit is assumed to be more powerful than any potential eavesdropper. In this situation, the powerful transmit/receive unit may broadcast and store a public random stream. The weaker transmit/receive unit selects select random bits of the broadcast for creating a key. The weaker transmit/receive unit sends the powerful transmit/receive unit the selected bit numbers, and powerful transmit/receive unit uses the random numbers to produce the key created by the weaker transmit/receive unit.




ed

Method and system for secured remote provisioning of a universal integrated circuit card of a user equipment

The present invention provides a method and system for secured remote provisioning of a universal integrated circuit card of a user equipment. A system includes a user equipment for initiating a request for remote provisioning of an universal integrated circuit card (UICC) in the user equipment, where the request for remote provisioning includes a machine identifier (MID) associated with the user equipment and a public land mobile network (PLMN) identifier (ID) associated with an network operator. The system also includes at least one shared key management server for dynamically generating security keys and an operator shared key using the security keys, the MID. Moreover, the system includes an operator network for generating a subscription key using the operator shared key and an international mobile subscriber identity (IMSI), and provisioning the IMSI in a secured manner to the UICC of the user equipment using the security keys.




ed

System and method for protecting information and related encryption keys

A system apparatus and method for protecting information are provided. Embodiments of the invention may detect inactivity related to a computing device. Information and encryption key may be removed from a memory. Subsequent activity may be detected. An authentication procedure may be performed, and, contingent on authenticating a relevant entity, a master key may be generated and installed in a memory.




ed

Method and system for providing a rotating key encrypted file system

A file system data is divided into two or more data blocks. A unique encryption key is assigned to each data block with the encryption key assigned to each data block being distinct from other encryption keys used to encrypt the other data blocks and each of the data blocks is encrypted using its assigned encryption key. One of the data blocks within the file system is then selected and decrypted using the distinct encryption key assigned to the selected data block and a new encryption key, distinct for the previously assigned encryption key, is assigned to the selected data block and the selected data block is re-encrypted using the new encryption key. This process is then repeated for each data block on a sequential/cyclic and continually rotating basis.




ed

Controlling resource access based on resource properties

Described is a technology by which access to a resource is determined by evaluating a resource label of the resource against a user claim of an access request, according to policy decoupled from the resource. The resource may be a file, and the resource label may be obtained by classifying the file into classification properties, such that a change to the file may change its resource label, thereby changing which users have access to the file. The resource label-based access evaluation may be logically combined with a conventional ACL-based access evaluation to determine whether to grant or deny access to the resource.




ed

Method for arbitrary-precision division or modular reduction

A method in a portable data carrier for executing a cryptographic operation on security-relevant data comprises a step of determining a remainder (r) of a dividend (a) modulo a divisor (b). In so doing, the remainder (r) is determined iteratively by means of a division device of the data carrier. In each iteration there is carried out a Montgomery multiplication with the divisor (b) as the modulus and an additive linkage of an output value of the Montgomery multiplication with a coefficient (ai) derived from the dividend (a) and associated with the respective iteration. The Montgomery multiplication is carried out here by means of a multiplication device of the data carrier, preferably a corresponding coprocessor. The Montgomery multiplication of a subsequent iteration receives a result of a preceding iteration as an input value.




ed

Level-two encryption associated with individual privacy and public safety protection via double encrypted lock box

Computationally implemented methods and systems are described herein that are designed to, among other things, receiving a level-one encrypted output of a surveillance device; encrypting at least a part of the level-one encrypted output of the surveillance device with a level-two encryption key whose decryption key is inaccessible by a level-two encryption entity; and transmitting a level-two encrypted output of the surveillance device.




ed

Apparatus and method for address privacy protection in receiver oriented channels

Disclosed is a method for address privacy protection for a first wireless device sharing a privacy key with a second wireless device. In the method, a first resolution tag is generated at the first wireless device using a pseudo-random function with the seed value and the privacy key as input arguments. The privacy key is only known to the first and second wireless devices. A privacy address is generated for the first wireless device based on the seed value and the first resolution tag. A packet is transmitted from the first wireless device to the second wireless device. The packet includes the privacy address and the first resolution tag.




ed

Methods and apparatus for base station assisted peer discovery through aggregation of expressions

A method, an apparatus, and a computer program product for wireless communication are provided in which a UE is equipped to generate an expression associated with a wireless device for use in a peer discovery signal, generate an expression set from the expression, a first temporal frequency, and a first time duration, and transmit the generated expression set to a base station to allow the base station to broadcast each of the expressions included in the expression set at the first temporal frequency over the first time duration. Another method, apparatus, and computer program product for wireless communication are provided in which a base station is equipped to receive an expression set from a wireless device, process the received expression set to determine each of one or more instances of an expression, and transmit each of the one or more instances of the expression.




ed

Methods, apparatus, and articles of manufacture to encode auxilary data into text data and methods, apparatus, and articles of manufacture to obtain encoded data from text data

Methods, apparatus, and articles of manufacture to encode auxiliary data into text data and methods, apparatus, and articles of manufacture to obtain encoded data from text data are disclosed. An example method to embed auxiliary data into text data includes assigning source data to one of a plurality of groups, the source data comprising text data, identifying a symbol to be added to the source data based on an assigned group of the source data, and generating encoded data by including in the source data a text character representative of the symbol.




ed

On-demand download of partial encrypted content for partial super distributed content

A request to render content associated with a first super distributed content file is detected by a content rendering device. At least one portion of the content associated with the first super distributed content file is determined to be missing from the first super distributed content file. A second file including the at least one portion of the content missing from the first super distributed content file is obtained from a server. The at least one portion of the content of the second file includes partial encrypted portions of the content associated with an encryption system of the content rendering device. A content output stream including decrypted partial encrypted portions of the content of the second file and the content associated with the first super distributed content file is generated. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.




ed

Method and system for providing conditional access to encrypted content

A method and system of providing conditional access to encrypted content includes receiving unsolicited multiply encrypted video content and first decryption data over a broadcast network. Partially decrypted video content is obtained by decrypting a first layer of encryption of the encrypted video content using the first decryption data. The partially decrypted video content is stored. A request for viewing the encrypted video content is transmitted and second decryption data is received. A second layer of encryption of the encrypted video content is decrypted using the second decryption data.




ed

Selective management controller authenticated access control to host mapped resources

An information handling system includes a host mapped general purpose input output (GPIO), a shared memory, a board management controller, and a cryptography engine. The host mapped GPIO includes a plurality of registers. The board management controller is in communication with the host mapped GPIO and with the shared memory, and is configured to control accessibility to the plurality of registers in the GPIO, and to control write accessibility of the shared memory based on a private key received from a basic input output system requesting accessibility to the plurality of registers and write accessibility of the shared memory. The cryptography engine is in communication with the board memory controller, and is configured to authenticate the private key received from the board management controller.