102results about How to "Variable length" patented technology

A system, method, apparatus and computer code for communicating a training sequence for initializing an equalizer in a digital receiver are provided including receiving a digital signal containing data to be broadcast from a digital RF transmitter and inserting the training sequence into the digital signal deterministically such that a predetermined sequence of symbols are communicated to the receiver.

Disclosed is an associative content or memory processor for wirespeed query of routing, security string or multi-dimensional lookup tables or databases, which enables high utilization of memory resources and fast updates. The device can operate as binary or ternary CAM (content addressable memory). The device applies parallel processing with spatial and data based partitioning to store multi-dimensional databases with high utilization. One or more CAM blocks are coupled directly to leaf memory or indirectly through mapping stages. The contents of mapping memory are processed by the mapping logic block. The mapping logic processes the stored crossproduct bitmap information to traverse a path to one or more leaf memory storage blocks. The compare block compares the contents of the leaf memory with the search or query key. The output response includes match result, associated data address and associated data.

A novel apparatus for and a method of data transmission whereby an input data stream is distributed over a plurality of physical channels within a logical channel group. Transmission of data over the channel group appears as transmission over a single logical channel having a bandwidth approximately equal to the sum of the physical channel bandwidths. The physical channels making up the logical channel group may have different bandwidth capacities. The invention comprises a method of data unit distribution among a plurality of physical channels including the consideration of the bandwidth capacities of the individual physical channels in implementing the distribution algorithm, and the capability of reproducing the order of the transmission of the data units on the receiving side without the need for additional fields or modification of existing fields of the data units. The method of the present invention performs an algorithm whereby the transmitter and the receiver only need to decide to transmit / receive a data unit using the current channel or to switch to the next channel in the channel pool (i.e. the channel group). This decision is made considering the value of a bandwidth parameter and current ‘credit’ counter associated with each channel.

A novel apparatus for and a method of data transmission whereby an input data stream is distributed over a plurality of physical channels within a logical channel group. Transmission of data over the channel group appears as transmission over a single logical channel having a bandwidth approximately equal to the sum of the physical channel bandwidths. The physical channels making up the logical channel group may have different bandwidth capacities. The invention comprises a method of data unit distribution among a plurality of physical channels including the consideration of the bandwidth capacities of the individual physical channels in implementing the distribution algorithm, and the capability of reproducing the order of the transmission of the data units on the receiving side without the need for additional fields or modification of existing fields of the data units. The method of the present invention performs an algorithm whereby the transmitter and the receiver only need to decide to transmit / receive a data unit using the current channel or to switch to the next channel in the channel pool (i.e. the channel group). This decision is made considering the value of a bandwidth parameter and current ‘credit’ counter associated with each channel.

A bifurcated graft having a trunk portion and two limb portions, each defined by a docking end and a non-docking end, that is assembled in-situ. The trunk and limb portions are supported by a combination of full and partial stent structures that are connected by longitudinal stent struts to form a continuous stent lattice. The diameters of the docking sections may be standardized such that any limb portion may be inserted into any trunk portion, providing the same degree of mechanical interference for trunk and limb portions having non-docking ends of various diameters.

The invention provides hinges for use in knee braces to correct and prevent knee pathology. Further provided are knee braces comprising the hinges of the present invention to correct and prevent knee pathology including osteoarthritis. Also provided are methods of treating knee pathology by using the hinges and braces of the present invention to apply a corrective rotational force and an off-loading force to the affected knee compartment.

The invention provides a cooling device for a high-power optical fiber laser or an amplifier. The length of optical fibers arranged in the cooling device is variable, and the cooling device can cool a pump coupler arranged in the high-power optical fiber laser or the amplifier when cooling the optical fibers. The cooling device comprises a cooler pan and a heat conducting cover plate, wherein the cooler pan is a metal block provided with a flat surface; an input concave groove, a coupler concave groove, a helical line-shaped concave groove, a plurality of rewound concave grooves and a plurality of output concave grooves are engraved on the flat surface; the heat conducting cover plate is a metal block provided with a flat surface; and the flat surface of the heat conducting cover plate is not smaller than that of the cooler pan. When the integral cooling device for the high-power optical fiber laser or the amplifier is used, doped optical fibers can be returned to an adjacent former ring through the rewound concave groove when wound in the helical line-shaped groove, and the rewinding can be performed multiple times in the same rewound concave groove.

The device is a lightweight stretchable mesh base wig that provides full hair coverage and protection of a wearer's natural hair via an anti-skid system that securely holds the wig in a comfortable grip position without the use of adhesive, metal or non-porous plastic components. The wig device has a fixed micro hair-part for reducing manufacturing time and cost especially when the device is made of natural or human hair. The device has an anti-stress nape hair component that prevents tension and stress on a wearer's head and on the hair wefts at the lower back of the wig. The components are configured to allow the wig to be natural looking and highly undetectable and at low cost.

A device for controlling a hydraulic actuator includes an electrically operated valve that controls the flow of a pressure medium in the actuator in response to the operations of three controllers. A first of the controllers designates a position of a piston of the valve. A second of the controllers commands movement of the actuator. And a third of the controllers electronically controls a sequence of movements of the actuator. The three actuators are arranged in a common housing located on the valve.

A device, and related method, for storing and organizing a power supply cord for portable electronic devices, wherein the device includes an outer shell 1 having a first entry hole 4; and an inner spool 2 having at least two circular flanges 6 connected in the middle by a barrel 8; a track 10 between the flanges; an arbor 7 on the top side and bottom side of the barrel; a second entry hole 5 within the device; and at least one tread 3 on the inner portion of the outer shell, wherein the spool fits snuggly into the outer shell to allow the spool to rotate therein.

A metal guitar slide ring, for playing a stringed musical instrument such as a guitar in a slide style, is configured to accept insertion of a musician's finger and still allow the fingertips to remain flexible and free to play instrument strings. The ring is configured with non-parallel ends so that the effective slide bar length that contacts the strings can be varied by the musician by rotating the ring about the finger. The range of adjustment along with the capability of wearing a plurality of rings simultaneously enable a musician to play up to 12 possible intervals on a guitar without retuning compared to 4 intervals with a conventional guitar slide. At least a portion of the ring may be coated with a hard smooth slide surface for substantially improved playing qualities, aesthetically appealing appearance, and superior comfort.

The invention relates to an airship balloon, the capability of the airship balloon is variable, and consists of a balloon (1), an inflation mouth (2) and a balloon telescopic device which can be used for stretching the balloon in axial direction. the balloon telescopic device is arranged in the balloon (1); the air outlet of the inflation mouth (2) is communicated with the inner cavity of the balloon (1); the invention has the advantages that due to the balloon telescopic device which can be used for stretching the balloon in axial direction, when the airship climbs up to high, and when the relative pressure in the balloon is increasing, the balloon telescopic device can shorten the balloon in axial direction, and the capacity in the balloon is enlarged accordingly to reduce the stress of the balloon wall, thereby achieving the purpose of preventing the balloon wall from being damaged; at the same time, the aerodynamic appearance of the balloon which is in proper stiffness, and can be kept to help fly.

A mobile terminal comprises a flexible display module; a hinge frame coupled to a rear surface of the flexible display module, having a plurality of unit frames connected by hinge coupling in a length direction; and a variable frame arranged in the hinge frame in a length direction, of which length is controllable, wherein the display module and the hinge frame are bent or unfolded to be flat in accordance with a length change of the variable frame. Since the mobile terminal may control its curved level in accordance with a use condition, it is advantageous in that a sense of immersion of the screen is increased by the control of the curvature of the mobile terminal if necessary and it is convenient to set the mobile terminal.

The invention provides an online product label printing system. The system comprises a database server, a printing computer and a printer, wherein the printing computer is connected to the database server, the printer is connected with the printing computer, and the database server includes multiple printing databases. A printing software program is installed in the system. The printing computer selects a proper printing database from the database server via the printing software program, scans obtained scanning data according to product information, controls the printer to print product labels, and records the printing content in real time in the background. The invention provides an online product label printing method based on the system at the same time.

A cushioned wristband includes a carrier having a multi-layered band portion and a strap attached such as by sewing or heat welding to the back of the band portion of the carrier. The band has a surface with loop material and the strap has a surface of hook material, the hook and loop surfaces being intended to secure the band in place as it is wrapped about a patient's appendage. The strap is appropriately sized to insert through one or both of two cinch slots of a self-laminating hang tag, and pressed against the patch of adhesive to secure it to the wristband. A fixative, such a an adhesive patch with peelable label is located about in the middle of the back of the strap and is used to closely position the hang tag along the length of the strap and ensure it remains flat against the strap / wristband as the wristband is worn. Alternate fixative arrangements are disclosed including hook and loop patches, etc, located at different positions on either or both of the hang tag and strap. The hang tag may be printed with patient information and separated from a sheetlet or page sized business form processed through a printer for imaging of patient information thereon. The band portion of the carrier includes a cushioned layer of soft foamy or spongy material for contacting a patient's skin to thereby substantially eliminate any possibility for abrasion, rash, or other irritation or injury to the patient through wearing of the wristband.

Disclosed herein is a linear compressor. In the present invention, a leaf spring is used for an exhale spring to support an exhale valve. As the leaf spring supports the exhale valve by being bended in a predetermined direction, the exhale valve can be stably opened and closed in the predetermined direction. As a space for the exhale spring becomes reduced in an inner exhale cover, a size of an exhale part is reduced, thus making it possible to produce the compact linear compressor. As the leaf spring is comprised of a plurality of overlapped plates, when the exhale valve is opened and closed, the leaf spring is bended, and friction is generated among the plurality of plates. Therefore, a vibration of the exhale valve is decremented by its friction, thus reducing a friction noise.

A filter for use within a baghouse for filtering particulate material from fluid flow. The filter is to be supported by a tubesheet of the baghouse. The filter includes an elongate bag that has an open end adapted to be disposed adjacent to the tubesheet and an encircling sidewall that extends from the open end to a distal end of the bag. The sidewall permits passage of fluid there through so that the fluid may pass through the bag and blocks passage of particulate material. The filter includes an elongate cage that is located within and supporting the bag and that has a variable effective length. The filter includes cage-associated structure for increasing the effective length of the cage to maintain the sidewall to be taut adjacent the cage. The cage may include structure inhibiting movement of the cage. The filter may be part of a baghouse assembly.

The invention discloses a lightweight key dynamically variable data encryption device and method. The lightweight dynamic key data encryption device comprises a server and nodes; wherein the server comprises a key generation module, a key synchronization module, an encryption and decryption module and a key updating module; and the node comprises a key requesting module, a key synchronization module and an encryption and decryption module. After the node initiates a session request, the server generates a session key (second key) if the identity is valid; then the synchronization of the secondkey is completed through two times of encrypted communication, and two-way data encryption communication is performed; the second key generation, synchronization and data communication steps are repeated after a key updating cycle until the communication is completed. The XOR operation is used in the encryption and decryption process, therefore, the operate mode is simplified; and the second keysynchronization, updating and data encryption and decryption are realized under the condition of little consumption of node resources, therefore, the contradiction between the limited Internet of things node resources and energy consumption and the complex security algorithm is effectively solved; meanwhile, the key length and updating cycle are variable, therefore, the difficulty of deciphering is increased, and the communication security can be protected better.

The invention relates to a method for producing a fuel tank and to a fuel tank for motor vehicles. The method comprises the extrusion of web-type preforms (1), the shaping of said preforms in the first heat of the extrudate in a multi-part moulding tool in a first step to form shell-type semi-finished products (6, 6a, 6b) and in a second step in the same moulding tool (2) to form a one-piece closed container. At least one refuelling and / or operational ventilation unit (5) is fixed to the inner wall of at least one semi-finished product, in such a way that at least one pre-assembled part of the refuelling and / or operational ventilation unit comprising at least one connection fitting (5c), at least one ventilation line (5b) and at least one functional component is bonded and / or positively connected in an operation to the inner wall (7a). The wall of the semi-finished product comprising the connection fitting is punctured by the connection fitting during assembly, using at least one length-adjustable line section as part of the ventilation line.

A device, and related method, for storing and organizing a power supply cord for portable electronic devices, wherein the device includes an outer shell 1 having a first entry hole 4; and an inner spool 2 having at least two circular flanges 6 connected in the middle by a barrel 8; a track 10 between the flanges; an arbor 7 on the top side and bottom side of the barrel; a second entry hole 5 within the device; and at least one tread 3 on the inner portion of the outer shell, wherein the spool fits snuggly into the outer shell to allow the spool to rotate therein.

Robotic arms and surgical robotic systems incorporating such arms are described. A robotic arm includes a roll joint connected to a prismatic link by a pitch joint and a tool drive connected to the prismatic link by another pitch joint. The prismatic link includes several prismatic sublinks that are connected by a prismatic joint. A surgical tool supported by the tool drive can insert into a patient along an insertion axis through a remote center of motion of the robotic arm. Movement of the robotic arm can be controlled to telescopically move the prismatic sublinks relative to each other by the prismatic joint while maintaining the remote center of motion fixed. Other embodiments are also described and claimed.

The invention discloses an all-dimensional oriented blasting charge guide rail device and a method thereof, and belongs to oriented blasting charge devices and methods. A first guide rail is connected with a plurality of common guide rails to form the device, antiskid wires (2) are mounted at the end (1) of the first guide rail, a longitudinal ridge (4) is arranged in the middle of a cartridge push rail (3) of the guide rail, cartridge antiskid saw teeth (5) are distributed on the longitudinal ridge (4), a hook hole (8) is formed in a front guide rail tail end (6), a metal hook (9) is arranged at a rear guide rail head end (7), the guide rails are connected through the metal hook (9) and the hook hole (8), the oriented blasting charge method is used for oriented blasting charge of middle and deep holes of forced grooving top-caving in the coal mining process, and the device is simple in integral structure and convenient to operate by the aid of traditional charge technology. The mounting directions of a cartridge energy-concentrated cover and the like is as same as the breaking direction of rocks, and accurate oriented control fracture blasting is realized.

A method performed by a computing system. Embodiments of the method include shifting source data by a shift amount and encrypting the shifted data with an encryption key to produce encrypted data. An encryption package is produced by removing a portion of the encrypted data. Decryption data is generated that includes the shift amount, the encryption key, the location in the encrypted data from which the data was removed, and the data that was removed. Copies of the encryption package are sent to remote client computing devices and the system waits until a decryption time. At the decryption time, copies of the decryption data are sent to the client computing devices, which are each configured to decrypt the encryption package using the decryption data to obtain the information of the source data at substantially the same time.

The invention relates to an AGV four-wheel independent steering and differential combination control mechanism. A four-wheel independent steering and differential combination mode is adopted, throughmutual cooperation of two devices, the rotation angles of four wheels and the rotation speeds of the wheels on the two sides can be controlled at the same time, the 360-degree in-situ any-radius rotation turn-around action and slant motion are finished, an AGV can achieve in-situ 360-degree rotation, horizontal motion at each angle and steering at any radius, and compared with front wheel steeringand differential steering, the mechanism can finish the 360-degree in-situ any-radius rotation turn-around action and slant motion. Compared with an AGV using special tires (Mecanum wheels and universal wheels) for steering, the four-wheel independent steering and differential combination control mechanism can adopt common tires, the rotation directions of the four wheels and the differential quantity of the tires on the two sides are controlled so as to stably control the steering mode of a mobile platform, and abrasion of the tires can be reduced to the maximum limit. The AGV can be suitable for the complex ground under the condition that the flexible state is kept.

The invention relates to an air freight transport system which is used to transport various freights to different destinations (26, 28, 30). According to the invention, a transport aeroplane (10), which crosses through at least three air zones (14, 16, 18) associated with one station (20, 22, 24), is prepared. The aeroplane can not land on one of the stations (20, 22, 24). Transportation of the freight between the transport aeroplane (10) and one of the stations (20, 22, 24) occurs with the help of feeder planes (32), whereby transfer of the freight between the feeder plane (32) and the transport plane (10) takes place in the air. The transport plane (10) and two feeder planes (32) form the inventive air freight transport system and the transport aeroplane (10) can comprise two feeder planes (32) which are connected together. The inventive air freight transport method improves the charge of the transport aeroplanes (10). Additionally, the transport paths for individual freights can be shortened thus making said method more economical.

The invention discloses a waterproof detachable electric type test tube brush which comprises a power assembly, an upper rod piece, a connection assembly, a lower rod piece and bristles, wherein the power assembly comprises a battery shell, an upper shell, a lower shell, a motor seat, a shaft coupler, a bearing pedestal, a bearing, a connection piece, sealing rings, a battery and a motor; the battery is positioned in the battery shell; the battery shell is fixedly connected with the lower shell; the lower shell is mechanically connected with the upper shell; the motor seat is mounted in the lower shell; a motor is mounted on the motor seat; an output shaft of the motor is connected with the connection piece through the shaft coupler; the bearing is mounted on the shaft at the upper end of the connection piece and is mounted in the bearing pedestal; the upper rod piece is connected with the interior of a longitudinal hole of the connection piece; the lower end of the upper rod piece is connected with a lower rod piece through the connection assembly; the bristles are fixedly arranged on the lower rod piece; sealing rings are embedded into the lower ends of the upper shell and the lower shell; a sealing ring is embedded into the upper end of the bearing pedestal. The electric type test tube brush is waterproof under the assistance of the sealing rings, can clean a test tube and is convenient to detach.

The invention discloses a method for improving security of IPv6 protocol data packets. The method comprises the steps of expanding identity options in IPv6 target option packet headers, wherein the options comprise fields such as an option type, option length, an option version, a reservation field, an autonomous domain number, user identity, a time stamp and a digital signature; and the method discloses the meaning, a data generation mode and an implementation method of each field. According to the method, the identities are added to data packets sent by a user, and the identities are prevented from being counterfeited, tampered and reversely deduced; an overall mechanism is beneficial for enhancing the accountability of the internet and reducing counterfeit attack behaviors of the internet; and the method has positive significance to establishing the safe and credible internet.

The invention discloses an extensible emergency bridge platform. The extensible emergency bridge platform comprises an up-down bridge support (1), bridge position fixing blocks (2), wheel type chassis (3), a bearing frame (4), an electric drive swivel assembly (5), a gravity center adjusting assembly (6), hydraulic lifting leg assemblies (7) and an extensible bridge floor assembly (8). The structures of the wheel type chassis (3) and the structure of a typical wheel type chassis on the market are the same, and only partial assembling sizes are adjusted. The extensible emergency bridge platform can move to an appointed position through the wheel type devices, the bridge platform is rapidly erected through the leg type devices and can serve as an emergency bridge for a river, a ditch, a broken bridge, a deep ditch and a road face after a flood, the length of a bridge floor is changeable, convenience and rapidness are achieved, and pedestrians and small vehicles can go through temporarily.