A stringed musical instrument comprises means by which the relation between displacement of a hinged string mounting member, such as a tremolo tail piece on which the tuners of the instrument are disposed, and the alteration of pitch of the strings thereof can be adjusted for each of the strings independently of the others. According to another feature of the invention the linear tuner blocks may be selectively released from engagement with the adjuster screws thereof for facilitating quick string mounting operations.

A rotary valve assembly incorporated in a brass instrument for changing a pitch of a tone comprises a rotary valve housed in a valve casing having two groups of aeroports, and the rotary valve is provided with two air passages, one of which interconnects the aeroports in the first group and the other of which interconnects one aeroport of the first group and one aeroport of the second group, so that various arrangements are possible for the aeroports.

The inventive system comprising a memory for storing the ADSR data, a clock controller for selecting the clock pulses, a counter for counting the output of the clock controller, a data switching means for buffering the output data of the memory, a holding means for holding the output of the data switching means, a comparator for comparing the output of the memory with the output of the holding means, and main controller. The main controller inputs a control signal to control the data access time in the memory and the outputs of the switching means and holding means. According to the present invention, the release data are outputted immediately after the putting off of the keyboard signal to produce more accurate ADSR data.

A pedal assembly for a bass drum or high hat cymbals. A flat base plate has a resilient pedal board clamped to it with the pedal board inclined to receive a foot. A beater stick is connected with the toe end of the pedal board by a linkage that drives the beater stick against a bass drum when the pedal is depressed. The resiliency of the pedal board returns it to its normal position when foot pressure is withdrawn. The material of which the pedal board is constructed has a modulus of elasticity between about one million and about six million. A striker pad limits the depression of the pedal board to limit the force that the beater stick can apply to the drum.

Described is a bass drum foot pedal having a variable drive lever linkage with variable arc ratios connecting the foot pedal to a beater bracket. The beater bracket is formed with a mounting surface that tips a beater shaft forward to create a forward beater angle that maximizes the beater impact against a bass drum.

A tremolo device for a stringed instrument is described in which a base plate is configured for surface mounting to a body of the instrument. A pivot plate is pivotally coupled to the base plate along an edge of the pivot plate. Each string is associated with a string seat. The string is threaded through the string seat receiving a terminal end of the string. The string seat includes a keyed portion that slidably attaches the string seat to the pivot plate in a keyed slot provided in a bottom surface of the pivot plate. A spring disposed between the base plate and the pivot plate maintains the pivot plate in a first position relative to the base plate until a user provides an action to pivot the pivot plate relative to said base plate. The spring returns the pivot plate to the first position when the user action is terminated.

Provided is a method for performing a handover from a first base station to a second base station by a user equipment that is performing a radio communication over a communication channel formed by aggregating a plurality of component carriers. The method includes a step of transmitting a handover command for a component carrier for which a handover has been approved by the second base station among the plurality of component carriers from the first base station to the user equipment and a step of trying to make an access from the user equipment to the second base station for each component carrier in response to the handover command.

A wireless access system and, more particularly, a method and apparatus for more efficiently performing zone switch are disclosed. The method of performing zone switch by an advanced mobile station (AMS) in a mixed-mode advanced base station (ABS) which operates in a mixed mode of a broadband wireless access system includes receiving a ranging response (RNG-RSP) message including system information of an AMS support zone from a legacy zone (LZone) of the ABS, and performing ranging to the AMS support zone using the system information.

A method for operating a base station in a wireless communication system in order to support a plurality of characteristics is provided. The method includes allocating resource periods for respective characteristics, transmitting system information including information on the characteristics, transmitting a reference signal with the characteristic corresponding to the relevant resource period through at least one of the resource periods, and receiving feedback information determining channel qualities for all of the characteristics.

This specification describes a method and corresponding system for reducing aggregate forward link transmission power. In one arrangement, a RAN may reduce the aggregate transmission power level in a coverage area by (i) determining which WCDs in the coverage area have a communication error rate that is at least a threshold level of communication error rate, and in response to the determining, (ii) reducing the forward link transmission power level of the determined WCDs. In another arrangement, the RAN may reduce the aggregate transmission power level in a coverage area by reducing the forward link transmission power of WCDs in the coverage area that have (i) a forward link transmission power level that is at least a threshold level of forward link transmission power and (ii) a communication error rate that is at least a threshold level of communication error rate.

Method and Apparatus thereof, for controlling intercell interference in a radio communications system having a plurality of user equipment and a plurality of access nodes including the steps of: a user equipment of said plurality connected to a serving access node, upon determining that an access node of said plurality is causing interference, transmitting a request to said serving access node; said serving access node forwarding said request to an apparatus controlling said interfering access node over an X2 interface, and said apparatus, instructing said interfering access node to execute said request.

A mode-based method of social networking comprising storing in a database profile information for a plurality of users, event information for a plurality of events and a mode associated with each event, receiving by a plurality of computerized user devices a selection of a mode and one or more geographic proximity parameter selections from a each of plurality of users, displaying, event information for an event having a same mode as the first user, profile information for one or more other users among the plurality of users having selected the same mode as the first user and located within a geographic proximity parameter selected by the first user, and a density of a plurality of users located within the geographic proximity parameter selected by the first user wherein the density is represented by a color corresponding to the mode.

Distributed mobile device management including a plurality of management agents is disclosed. Management-related information may be retrieved from a storage location accessible to a plurality of management agents. The management-related information may have been provided to the storage location from a management agent associated with a managed application. And at least one operation may be performed based at least in part on the management-related information.

Method and arrangement for network resource management in a communication network, especially related to transfer of content. A content resource broker is introduced, which dynamically manages resources based on the size of the content to be transferred. The method and arrangement involve the obtaining of information on current and future network capacity, which is available for transfer of content; the receiving of a request from a requesting entity concerning resources for transfer of a content C; and the determining of whether the available network capacity within a predetermined response time is sufficient for transferring the content C before the predetermined response time has expired.

Various aspects of a method and system for low-latency networking are provided. Latency requirements of traffic to be communicated along a network path comprising one or more Ethernet links may be determined. A maximum size of Ethernet frames utilized for communicating the traffic may be determined based on the latency requirements. The maximum size of the Ethernet frames may be determined based on a data rate of one or more Ethernet links along the network path. A single device may utilize different maximum packet sizes for different ports/links on which it communicates. One or more messages indicating the determined maximum size may be communicated among devices along the network path to coordinate maximum packet sizes.

Provided are a system and method for protecting data in an electronic communications environment. An interested entity establishes one or more controls for a received unit of data. At a source device in the electronic communications network, the unit of data is encapsulated with self-protection security data that includes the one or more controls. The encapsulated unit of data is delivered from the source device to a destination device in the electronic communications network. A data broker facilitates the delivery of the data to the destination device according to the controls. Facilitating the delivery of the data includes: identifying for the receiving device a collection of services corresponding to the controls independently of the network.

A method and apparatus in which multiple Internet Protocol (IP) based wireless data transmissions are simultaneously provided between a wireless device and a server, including providing multiple antennas, multiple T/R units, multiple processors and multiple I/O ports on the wireless device. The method includes receiving multiple IP data packets on the I/O ports at substantially the same time, and sending multiple data packets from the wireless device to the server, whereby the transmission rate between the wireless device and the server is increased.

A system and method can support a flooding mechanism using a multicast group in a middleware machine environment. The middleware machine environment can comprise a gateway instance that includes an external port for receiving one or more data packets from an external network. The middleware machine environment also comprises one or more host servers, each of which is associated with one or more virtual machines that can process the data packets. Furthermore, said host servers can provide virtual interfaces that belong to a virtual hub associated with the gateway instance. At least one said packet is a flooded packet that is specified with an unknown destination address when it is received at the external port. The gateway instance operates to send the flooded packet to the multicast group that operates to forward the flooded packet to one or more said host servers in the multicast group.

Methods and systems for conveying or transmitting to any given user in an OFDMA-MU-MIMO system scheduling information of other co-scheduled users to permit the user to perform error-correction on received data and/or interference reduction on its received signals. The scheduling information can include resource block assignment, modulation constellations employed, coding rates employed, power levels utilized and precoder matrix indices used. Further, the scheduling information can be conveyed in part through dedicated reference symbol layers or pilot streams. Moreover, a base station may transmit a preliminary estimate of the total number of users the base station expects to schedule, or an upper-bound on the total number of users, to the MU-MIMO users to permit the MU-MIMO users to determine preferred precoder matrix indices and indications of channel quality indices.

Systems and methods provide a parameterized scheduling system that incorporates end-user application awareness and can be used with scheduling groups that contain data streams from heterogeneous applications. Individual data queues within a scheduling group can be created based on application class, specific application, individual data streams or some combination thereof. Application information and Application Factors (AF) are used to modify scheduler parameters such as weights and credits to differentiate between data streams assigned to a scheduling group. Dynamic AF settings may adjust relative importance of user applications to maximize user Quality of Experience (QoE) in response to recurring network patterns, one-time events, application characteristics, protocol characteristics, device characteristics, service level agreements, or combinations thereof. Scheduling parameters may be dynamic and incorporate the notions of “duration neglect” and “recency effect” in an end-user's perception of video quality in order to optimally manage video traffic during periods of congestion.

In general, to provide acknowledgment information by a first wireless device, the first wireless device sends repeated instances of acknowledgment information in respective first and second frame structures, in response to receipt of first information from a second wireless device. In addition, the first wireless device also sends further acknowledgment information in the second frame structure that is responsive to second information received from the second wireless device.

A multi-participant conference system and method is described. The multi-participant system includes a PSTN client, at least one remote client and a first participant client. The PSTN client communicates audio data and the remote clients communicate audio-video data. The first participant client includes a voice over IP (VoIP) encoder, a VoIP decoder, a first audio mixer, and a second audio mixer. The VoIP encoder compresses audio data transported to the PSTN client. The VoIP decoder then decodes audio data from the PSTN client. The first audio mixer mixes the decoded audio data from the PSTN client with the audio-video data from the first participant into a first mixed audio-video data stream transmitted to the remote client. The second audio mixer mixes the audio-video data stream from the first participant with the audio-video data stream from each remote client into a second mixed audio transmitted to the PSTN client.

A double ring network system configured with two or more transmission stations each including a pair of bi-directionally communicative communication ports, including any adjacent two transmission stations as terminal stations, and any transmission station as a base, as mutually connected in a ring form by communication ports through a transmission line, for intercommunications between transmission stations, in which the transmission stations are each adapted to determine whether or not frame signals are received from adjacent transmission stations, transmit route identifying frame signals for identification of routes to adjacent transmission stations, when having failed in reception, and set own station as a terminal station substituting for a current terminal station, when having received no responses to the route identifying frames from adjacent transmission stations, so they are kept from arriving at ring-like connected subsequent transmission stations.

A data transmitting apparatus is provided. The data transmitting apparatus includes a packet generator configured to generate a packet including a plurality of sub packets and a transmitter configured to transmit the generated packet to a data receiving apparatus. Each of the plurality of sub packets includes audio data corresponding to content among a plurality of contents.

A wireless communication system and, more specifically, a measurement method and apparatus for inter-cell interference coordination in a wireless communication system are disclosed. Herein, a method for supporting measurement of a User Equipment (UE) by a first base station in a wireless communication system includes the steps of acquiring information of downlink subframe configuration of a second base station, determining measurement objects of downlink resource of the first base station based on the downlink subframe configuration of the second base station; transmitting information of the measurement objects to the UE, and receiving measurement result for the measurement objects from the UE.

A network system has: a communication device configured to perform frame transmission and reception; a network configured to transfer the frame; a gateway connected between the communication device and the network; and a controller configured to perform management of the communication device and the network. The frame is classified into a control frame for communicating control information necessary for communication and a data frame for communicating data between communication devices. The gateway determines whether a frame received from a source communication device is the control frame or the data frame, forwards the control frame to the controller, and forwards the data frame to the network. The controller performs the management based on the control frame received from the gateway. The network transfers the data frame received from the gateway to a destination communication device without through the controller.

A mobile user terminal, which communicates with a base station in an intermittent fashion, the mobile user terminal includes a radio transmitter which transmits downlink channel quality information indicating downlink channel quality and an uplink pilot signal to a base station in an intermittent fashion; and a transmit time controller which synchronizes transmit time of the downlink quality information and transmit time of the uplink pilot signal relative to each other, such that the downlink quality information and the uplink pilot signal are sent in adjacent different timings in a period corresponding to a state of intermittent communicate.

There are provided a power transmission chain which can reduce a noise level further by eliminating unfavorable combinations from a random arrangement of combinations of pitch lengths and pin shapes and a power transmission system using the same power transmission chain. With respect to pitch length, links include two types of a link L1 which has a small pitch length and a link L2 which has a large pitch length. With respect to pin shape, pins include two types a pin P1 of which a curvature of a rolling contact surface is large and a pin P2 of which the curvature of the rolling contact surface is small. The links are arranged so that a possibility is avoided that a combination of (L2, P2) and a combination of (L2, P1) come immediately after a combination of (L1, P2) in a chain traveling direction, and that a possibility is adopted that a combination of (L1, P2) or a combination of (L1, P1) comes immediately after the combination of (L1, P2).

One embodiment may include an automotive timing chain system component (10, 12) such as a tensioner arm (10) or a chain guide (12) that, during use, bears directly or indirectly against a chain (22) of an automotive timing chain system (14). The component (10, 12) may have an elongated body (16, 116) made into a generally hollow shape by a hydroforming process. The body may have a first open free end (26, 126) and a second open free end (28, 128).

An energy harvesting system comprises a first region having a first temperature and a second region. A conduit is located at least partially within the first region. A heat engine configured for converting thermal energy to mechanical energy includes a shape memory alloy forming at least one generally continuous loop. The shape memory alloy is disposed in heat exchange contact with the first region and the second region. The shape memory alloy is driven to rotate around at least a portion of the conduit by the response of the shape memory alloy to the temperature difference between the first region and the second region. At least one pulley is driven by the rotation of the shape memory alloy, and the at least one pulley is operatively connected to a component to thereby drive the component.

A sealing arrangement used to create a seal between a first part of a chain and a second part of the chain, wherein the second part can at least be pivoted in relation to the first part, includes a sealing ring with an annular sealing lip for sealing a lubricant area between parts which can be pivoted towards each other, and an elastic ring which is adapted to be fixed to one of the parts and which is adapted to exert pressure in the sealing ring. In addition, a supporting ring is arranged between the sealing ring and the elastic ring.

A bicycle gear shift control system capable of avoiding frequent gear shifting includes: a power module; a microcomputer electrically connected to the power module for allowing a cyclist to switch between the automatic gear shifting mode and a manual gear shifting mode; a gear shifting driver electrically connected to the microcomputer, substantially connected to a derailleur, and instructed by the microcomputer to drive the derailleur to perform gear shift control; and a manual shifting controller electrically connected to the microcomputer. The microcomputer has an automatic gear shifting logic whereby the microcomputer determines the timing of automatic gear shifting and performs gear shifting. The microcomputer further has a gear shifting delay logic that involves delaying for a delay time interval from commencement of gear shifting according to a gear shifting criterion and ruling out all other gear shifting commands during the delay time interval.

A method for joining structural elements onto a shaft may include generating at least one projection at a respective joining position on the shaft, sliding at least one of the structural elements over at least one projection and maintaining the structural elements in at least on projection.

A continuously variable transmission for a vehicle comprises a primary pulley, a secondary pulley, and a belt entrained around both pulleys in an opposite manner between the fixed and movable sheaves thereof. One pulley carries a selectively deployable stop that may be placed into position to mechanically limit the range of motion between the fixed and movable sheaves. This establishes an actual maximum transmission ratio that is larger than the nominal minimum transmission ratio but smaller than the nominal maximum transmission ratio achievable by the transmission during normal operation thereof. When such a transmission is used on a utility vehicle attached to a substance dispensing applicator operatively driven by the vehicle's engine, the application rate stays substantially constant despite changes in engine speed when the user keeps the transmission upshifted to the actual maximum transmission ratio set by the position of the deployed stop.

An arrangement for supplying oil to a chain drive which drives a transmission oil pump that is axially offset relative to a torque converter and embedded in an intermediate plate in a vehicle having a torque converter. The driven sprocket of the chain drive is supported by a converter neck mounted in a centering plate. A seal is provided between the converter neck and the sprocket and is arranged adjacent the sliding fit between the converter neck and the sprocket. To compensate for the suppression of lubrication of the seal, the neck bearing and the chain drive, a valve is integrated in the intermediate plate, and a duct is provided in the plane, in which the centering plate is screwed to the intermediate plate, such that excess oil flowing from the valve is selectively directed to the seal, the neck bearing and the chain drive.

A drive arrangement (10) has first and second wheels (12, 14) and an endless loop member (16). The path of the member (16) is defined in part by a third wheel (18), between the wheels (12, 14). The wheel (18) is movably mounted so that the length can be changed for the path of the member (16) as it passes around the wheel (18), between the wheels (12, -14). Accordingly, the member (16) can be tightened or slackened around the wheels (12, 14), so that the wheels (12, 14) can be coupled to convey drive from one to the other, through the member (16), or disengaged, so that drive is not conveyed.

A vehicle has a motor-gear unit, a trailing wheel of the vehicle being connected the output shaft of the gear and an input shaft of the gear being connected to a motor. The gear has an outer wheel, an inner wheel and a traction means extending between the outer wheel and the inner wheel. A revolving transmitter is also provided which lifts the traction means off the outer periphery of the inner wheel and pushes it against the inner periphery of the outer wheel.

In a silent chain transmission, noise performance is improved by preventing guide plates of a silent chain from contacting sprocket teeth before the link plates of the chain contact the sprocket teeth. The silent chain transmission comprises a silent chain in engagement with a sprocket. The silent chain comprises guide rows, each having a pair of guide plates and a plurality of middle link plates, and non-guide rows, each having a plurality of inner link plates. An engagement starting point of the middle link plate with a sprocket tooth and an engagement starting point of the inner link plate with the sprocket tooth are set at positions such that the guide plate is prevented from contacting the sprocket tooth before the respective link plates start to engage the sprocket tooth when runout of the chain in the direction of its width occurs.

Ball screws are described that may be incorporated into other devices such as a pulley assembly or a differential device. The ball screws include a threaded shaft defining a central longitudinal axis with a threaded nut threadedly coupled thereto to define at least one track in between them. Each track forms a continuous loop around an infield protrusion and is filled with a plurality of rolling elements filling. Each rolling element has the same radius from the central longitudinal axis such that the nut can rotate at higher speeds without the rolling elements locking up as a result of centripetal force.

A transmission system for vehicles, including bicycles, is disclosed. The system aligns a chain or other drive means to a center of each of a plurality of provided sprockets, allows for a smaller, lighter and more durable shifter/controller, and reduces various complications associated with cable slack and shifting. A derailleur is provided with linear actuated features to directly translate drive means from one position to another along a desired path.

A secondary assembly drive of an internal combustion engine and a method for operating same are provided. The secondary assembly drive includes: a first drive wheel (1) which can be rotatably connected to a crank shaft (CR) of the internal combustion engine, an electric machine which can be operated either as a generator (AL) of as a motor (M) and a second drive wheel (2) which can be rotatably connected to the electric machine (AL, M), an air-conditioning compressor (A/C) and a third drive wheel (3) which can be rotatably connected to the air-conditioning compressor, a traction element (4) which rotates infinitely and which wraps around the drive wheels, and an actuable clutch (7) for disconnecting the drive of the electric machine and of the air-conditioning compressor from the crankshaft when necessary. In addition, the air-conditioning compressor is designed for operation in both rotational directions, and a reversal of the rotational direction between the generator operating mode and the motor operating mode of the electric machine is provided.

A derailleur device, particularly a rear derailleur, includes at least one locking device for locking a chain guide at least in one locking position that is different from the starting position in relation to a movable element, and it is provided therein that the locking device includes a locking element displaceable between a passive position, in which the chain guide is released in relation to the movable element, and at least one active position, in which the chain guide is held in the at least one locking position.

A secondary assembly drive of an internal combustion engine and a method for operating same are provided. The secondary assembly drive includes, in two drive planes, an assembly drive (2) and a starter drive (12) and permits, in addition to a normal operating mode, the following operating modes: —starting of the internal combustion engine, —boosting of the internal combustion engine, —air-conditioning, and —deactivation of the assembly drive (2).

A method and system for providing a homogenized slurry output comprises a container body defining an interior portion, a discharge for supplying the slurry from the container body to a downstream source and at least one inlet in fluid communication with a pressurized supply of slurry for introducing the slurry into the interior portion of the container body in a circulation pattern that creates a homogenized mixture of slurry in the interior portion of the body.

An apparatus, system and method for mixing and dispensing dental impression materials is described. A dental impression material mixing machine comprises a water dispenser fluidly coupled to a hollow mixing axle, the mixing axle extending through a pulley, wherein an inner circumference of the hollow mixing axle forms a water conduit and an outer circumference of the hollow mixing axle forms a hub connector, a closeable valve inserted at a water entrance to the water conduit and electronically coupled to a water pump, an electronically commutated motor rotatably coupled to the pulley, wherein the hub connector receives a tubular rotatable hub of a disposable mixing vessel comprising dry dental impression powder, and wherein water is dispensed from the water dispenser into the disposable mixing vessel through the water conduit and hub orifice.

The present invention relates to an apparatus for mixing and controlling the temperature of laboratory vessel contents with an accommodating device in detachable connection with an exchangeable block for accommodating and controlling the temperature of laboratory vessels and with a drive by which the accommodating device can be set in a mixing motion, and with a temperature control device with a heat source or sink in heat-conducting connection with the exchangeable block at least through in each case at least one adjoining contact face firstly on the accommodating device and secondly on the exchangeable block, which is characterized in that the detachable connection is maintained by a spring element which, by virtue of its spring force, horizontally clamps together a first undercut between the accommodating device and the exchangeable block in at least one first direction.

An apparatus for containing and mixing a load of liquids and solids is disclosed. The apparatus includes an elongated tank, which includes a lower portion and an upper portion. The apparatus further includes an elongated rotatable shaft within the tank. At least one blade is connected to the shaft and is configured to mix the liquids and solids when the shaft is rotated. The apparatus also includes a shaft support configured for maintaining the shaft in a rotatable manner within the tank. The shaft support is selectively moveable in a manner permitting the shaft to move in an upward direction from the lower portion toward the upper portion, and in a downward direction from the upper portion toward the lower portion. An is contained with the tank for moving the shaft support in the upward direction and in the downward direction.

A container (10, 30, 50) is provided for single- or multi-component molding materials. The container has a container body (12, 32, 52) having a constant outer contour in a longitudinal extent of the container (10, 30, 50), a piston (17, 37) movable in the longitudinal direction, and a cover (11, 31) having an outlet opening (13, 33, 53). A volume for a molding material is defined between the piston (17, 37) and the cover (11, 31), the volume being variable in the direction of the longitudinal extent of the container (10, 30, 50). The container distinguishes itself in that the container body (12, 32, 52) is rotatable relative to the outlet opening (13, 33, 53), and the piston (17, 37) thereby pushes out the content of the container (10, 30, 50).

A mixing and kneading machine (1) for continual compounding comprises a screw shaft (3) rotating in a casing (2) and simultaneously moving axially translationally. To sustainably enhance the efficiency of the machine as regards its material thruput per unit of time the screw shaft (3) comprises at least four groups of radial screw vanes (4a, 4b, 4c, 4d) evenly distributed circumferentially, each group consisting of a plurality of screw vanes in axial sequence. The outer diameter (Da) of the screw shaft ranges from 400 to 800 millimeters. The rotary speed of the screw shaft (3) ranges from 30 to 80 rpm. A mixing and kneading machine (1) engineered as such is particularly suitable for compounding an anodic mass in the production of electrodes—anodes—for the aluminum industry.

A treatment element to treat material in a multi-shaft worm machine has an outer contour with at least one outer contour portion, the associated evolute of which is a quantity of at least three points, each of the points lying outside the longitudinal axis and within the outer radius of the treatment element and two respective adjacent points having a spacing from one another, which is less than half the core radius. The treatment element ensures high flexibility during the adjustment of shear and/or extensional flows on the material to be treated.