Abstract: The invention is an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and generator combination to create electric power for all systems on the source such as driving a frame of linear electric motors that direct a rod or piston to contact the ground in a recurring fashion along with driving the source from location to location through a survey area. Preferably a foot is arranged on the bottom end of the rod or piston for contact with the ground and by engaging the grid of motors to push down against the ground to create impulses that deliver acoustic seismic energy into the earth for geophones to sense and record. However, the pulses of seismic energy are delivered in a distinctive fashion where different linear motors are deliberately and concurrently providing different signals that create a distinctive composite signature or signal that can be identified in the data record for source separation purpose.

Abstract: The invention is an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and generator combination to create electric power for all systems on the source such as driving a frame of linear electric motors that direct a rod or piston to contact the ground in a recurring fashion along with driving the source from location to location through a survey area. The seismic source includes systems for driving the acoustic energy systems using electric energy concurrently from both the generator and an electric energy accumulator such as a capacitor or battery, systems for adjusting the weight on the acoustic energy delivery system by raising and lowering wheels individually and an active energy isolation to isolate the chocks and impulses of the acoustic energy delivery system from the remainder of the seismic source.

Abstract: A second housing 200 is capable of moving in a direction in which the second housing covers one surface of a first housing 100. Oscillating elements of an oscillating element group 400 are arranged in a matrix and oscillate sound waves outward from the one surface of the first housing 100. A control unit controls the plurality of oscillating elements. A sound wave sensor constitutes the same matrix as the plurality of oscillating elements and detects sound waves having a specific wavelength. The detection results of the sound wave sensor are output to the control unit. A frame body holds the plurality of oscillating elements and the sound wave sensor. The control unit oscillates sensor sound waves having a specific wavelength outward from at least one of the oscillating elements. The control unit determines that the second housing 200 covers the one surface of the first housing 100 when the sound wave sensor detects the sound waves having the specific wavelength.

Abstract: With the conventional timepiece, when watching the timepiece at a casual glance, it has not been easy to comprehend the starting point of a physical quantity indicated at the present time by the timepiece, and the physical quantity at the present time. To solve the problem, a timepiece is provided, comprising; a dual-purpose scale, indicating time and a below-mentioned physical quantity; a driving unit for hand, driving a hand for pointing the dual-purpose scale according to time; an acquisition unit for physical quantity, acquiring information of the physical quantity from predetermined time designated as a starting point; and a driving unit for indicator of physical quantity, driving an indicator of physical quantity for indicating the acquired physical quantity on the dual-purpose scale, where a position on the dual-purpose scale pointed to by the hand at the predetermined time is designated as an original position for the physical quantity.

Abstract: A timing device for indicating a passage of a duration of time is disclosed. The timing device in accordance with the embodiments of the invention has a grid array architecture. The grid array architecture includes an electrode structure with an anode layer, a cathode layer and a thermistor layer. The anode layer and the thermistor layer are electrically coupled through a plurality of cathode trace structures. In operation the timing device is actuated through a suitable mechanism to initiate depletion of the anode layer and, thereby, indicate a passage of a duration time. As the anode layer depletes, sequential cathode trace structures are exposed and the thermistor layer acts as a temperature dependent resistor through a plurality of exposed cathode trace structures.

Abstract: An assembly of an axially extending member, made of a first material, in an aperture of a part, made of a second material having no plastic domain. The part includes pierced holes forming an elastic deformation mechanism distributed around the aperture thereof. Further, the member includes an elastically and plastically deformed, radially flared portion that radially grips a wall of the part surrounding the aperture by stressing the elastic deformation mechanism, so as to secure the assembly in a manner that is not destructive for the part. The assembly can be used in the field of timepieces.

Abstract: A device for the rapid attachment of an interchangeable watch bracelet for wrist watches, as well as a wrist watch and an interchangeable watch bracelet. A body used as a push button slidingly housed in a watch case includes a retaining stem arranged parallel to the watch case. The body is displaceable parallel to a longitudinal axis of the retaining stem and the body is biased in a rest position. The device includes an attachment element mounted at one end of the interchangeable watch bracelet, comprising a slot with a shape complementary to that of the retaining stem. The retaining stem is thus adapted, depending on its position along the longitudinal axis, to cooperate with the attachment element or elements so as to enable the interchangeable watch bracelet to be attached to or to be removed from the watch case.

Abstract: The invention relates to a clasp comprising an extensible buckle for a wrist strap making it possible to control the length of the wrist strap. For this purpose, the clasp comprises: a first and a second strip (10, 11) which are articulated to one another at a first end; a first tie (12a) which is arranged at a second end of the first strip (10) for connection to a first strand of the wrist strap; a second tie (13) which is arranged at a second end of the second strip (11) for connection to a second strand of the wrist strap; and means for displacing the second tie (13) with respect to the end of the second strip (11) in a manner to adjust the length of the wrist strap. The second tie (13) is connected to a cradle (16) which is arranged in a housing (17) located on the second strip (10). The housing (17) comprises two opposite walls (18, 18?) along which the cradle (16) can slide.

Abstract: The invention relates to a watch with a rigid casing-up, comprising: a middle (1); a bottom (2); a movement (3, 3bis, 3ter, 3quater, 41); and a casing-up ring (4, 4bis, 4ter, 42) in contact with the middle (1). The casing-up ring (4, 4bis, 4ter, 42) has an inner peripheral face (8, 17) and the movement (3, 3bis, 3ter, 3quater, 41) is secured to an outer peripheral face (7, 13, 18, 18bis), said inner (8, 17) and outer (7, 13, 1, 18bis) peripheral faces being in contact with each other in the Z and Z? regions thereof. Said watch is characterized in that it also comprises a tightening element (5, 5bis) provided for exerting pressure on the casing-up ring (4, 4bis, 4ter, 42) or the movement (3quater). The invention also relates to a method for casing-up such a watch.

Abstract: An apparatus that includes a near field transducer, the near field transducer including silver (Ag) and at least one other element or compound, wherein the at least one other element or compound is selected from: copper (Cu), palladium (Pd), gold (Au), zirconium (Zr), zirconium oxide (ZrO), platinum (Pt), geranium (Ge), nickel (Ni), tungsten (W), cobalt (Co), rhodium (Rh), ruthenium (Ru), tantalum (Ta), chromium (Cr), aluminum (Al), vanadium (V), iridium (Ir), titanium (Ti), magnesium (Mg), iron (Fe), molybdenum (Mo), silicon (Si), or combinations thereof oxides of V, Zr, Mg, calcium (Ca), Al, Ti, Si, cesium (Ce), yttrium (Y), Ta, W or thorium (Th), Co, or combinations thereof; or nitrides of Ta, Al, Ti, Si, indium (In), Fe, Zr, Cu, W, boron (B), halfnium (Hf), or combinations thereof.

Abstract: A flex circuit including a dual sided interconnect structure to connect electrical components on a head or suspension assembly to head circuitry is described. The dual sided interconnect structure described has application for providing an electrical connection to one or more transducer elements on a slider and one or more elements of a heat assisted magnetic recording HAMR unit. In an illustrated embodiment, a flexible structure or insulating base layer includes one or more slider and heat assisted magnetic recording traces coupled to one or more slider or HAMR bond pads on an interconnect portion. As disclosed, the slider bond pads are on the obverse side of the flexible structure and the HAMR bond pads include a reverse side bonding surface to form reverse side bond pads to connect to one or more electrical or heating elements on the HAMR unit.

Abstract: A flex circuit including a multiple layer structure is disclosed. The multiple layered structure includes a first or top layer and a second or base layer. Top traces and bond pads are fabricated on the top or obverse layer and interlayer traces and bond pads are fabricated between the first and second layers to provide an electrical interconnect to electrical components on a head assembly. In an illustrated embodiment, the flex circuit includes portions including the first or base layer and the second or top layer and one or more reduced thickness portion including the first or base layer and not the second layer.

Abstract: A transducer comprises a slider and a laser arrangement. The laser arrangement is configured to heat a region of a magnetic medium in proximity to the slider and produce modulated laser light to cause heat-induced modulation of the slider. The laser arrangement is configured to couple laser light at a power that reduces a coercivity of magnetic material at the region for writing data to or erasing data at the region, and couple modulated laser light to cause heat-induced modulation of the slider at a power lower than the power for writing data to or erasing data at the magnetic medium.

Abstract: An apparatus has a slider body that includes an upper surface opposed to a media-facing surface. The slider body has an edge joined between the media-facing surface and the upper surface and facing a coupling region. The slider body includes a first bond pad on the edge and a laser submount coupled to the upper surface of the slider body. The laser submount has a second bond pad facing the coupling region. The apparatus includes a trace-gimbal assembly having first and second electrical traces facing the coupling region and electrically coupled to the respective first and second bond pad via first and second solder joints. An extension of the trace-gimbal assembly extends between the first and second solder joints preventing contact therebetween.

Abstract: Disclosed herein is an apparatus that includes a near field transducer positioned adjacent to an air bearing surface of the apparatus; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes a first and second portion, with the first portion being adjacent the near field transducer and the second portion being adjacent the first magnetic pole, the first portion including a plasmonic material, and the second portion including a diffusion blocking material.

Abstract: An apparatus includes a near-field transducer at or near an air bearing surface of the apparatus. A write pole is disposed at or near the air bearing surface and proximate the near-field transducer, respectively. A thermal sensor is disposed at the air bearing surface and within a protrusion region of the air bearing surface defined relative to at least one of the near-field transducer and the write pole. The thermal sensor is configured to produce a signal indicative of a temperature at the protrusion region.

Abstract: An apparatus that includes a write pole, the write pole including a magnetic material; a near field transducer-heat sink (NFT-HS), the NFT-HS including a noble metal; and a power source configured to electrically bias the write pole with respect to a second structure.

Abstract: A magnetic recording head includes a magnetic writer comprising a main write pole and a return write pole. The magnetic recording head includes a write heater assembly comprising at least one first heater subassembly and at least one second heater subassembly. At least part of the magnetic write head is disposed between the first heater subassembly and the second heater subassembly. When the first heater subassembly, the second heater subassembly, and the magnetic writer are energized, a variation in the thermal protrusion of the head media interface of the magnetic recording head may be less than about 20 nm along the down track and/or cross track directions.

Abstract: An optical disc device uses an optical disc (6) capable of super-resolution reproduction, and includes a semiconductor laser (1), a laser driving circuit (21) that supplies a driving current to the semiconductor laser, a light receiving element (8) that detects return light from the optical disc (6) and obtains reproduction signal of recording data of the optical disc (6), and a light emission amount control means (22) that controls a light emission amount of the semiconductor laser (1) by the laser driving circuit (21) so as to keep a peak intensity of a focused light spot formed on an information recording layer of the optical disc 6 to be greater than or equal to a peak intensity at which a super-resolution effect is obtained.

Abstract: The present invention optimizes recording power based on correct ? value. Whether an average of modulation values between the 2-4th AUNs is equal to or less than 65% of an average of modulation values between the 5-7th AUNs or not is judged. Otherwise, the gradual emission is performed, the ? value is measured, and then the following requirement is judged: (average of ? values between 5-7th AUNs)?(average of ? values between 2-4th AUNs)?0.18 If each requirement is satisfied, track shift is judged to occur. The recording area of high output is compared with the recording area of lower output to judge whether or not magnitude relation matches the correct magnitude relation. Also, whether the difference between the ? value of high output and the ? value of lower output is equal to or more than the predetermined value (0.18) or not is judged.

Abstract: An optical pickup device includes a laser light source 201, a collimating optical system 202 for converting laser light to parallel light, a focusing optical system 205 for focusing the parallel light onto an optical disc, a light detection unit for receiving returning light returning by reflection of the focused light from the optical disc 101 and outputting a detection signal, and a reflecting mirror 204 disposed between the collimating optical system and the focusing optical system. The reflecting mirror 204 has a reflective surface including three regions having different reflectances. The central region on the reflecting surface meets the other two regions, at positions illuminated by the light focused by the light focusing optical system, in boundary lines that are parallel to a radial direction on the optical disc 101. The reflectance of the central region is lower than the reflectances of the other two regions.

Abstract: According to one embodiment, an information storage medium includes an organic dye material which records information with a light beam having a wavelength equal to or smaller than 620 nm.

Abstract: A method and apparatus of transmitting a reference signal in a wireless communication system is provided. A reference signal sequence is generated by using a pseudo-random sequence. A portion or entirety of the reference signal sequence is mapped to at least one resource block and is transmitted. The pseudo-random sequence is generated by a gold sequence generator which is initialized with initial values obtained by using cell identifier. The reference signal provides low PAPR and high cross correlation characteristic.

Abstract: Systems and methods provide distributed storage and sharing of data packets in hybrid networks to enable user devices (e.g., mobile terminals) to cooperate to recover lost data packets. According to embodiments, a centralized system operable to provide data transmission may optimize broadcast resources by adjusting redundancy in data packet transmission to enable a desired or a predetermined percentage of user devices to either successfully receive transmitted data packets using transmitted redundancies or to recover lost data packets relying on the distributed storage and sharing scheme.

Abstract: The heterogeneous network based-simultaneous data transmission service method includes identifying an access state with a reception device by a network device configured to relay data transmission/reception between a particular reception device and a particular transmission device, the network device being located in a particular network, when the access state with the reception device is abnormal, making a request for re-routing particular data transmitted from the transmission device to the reception device, and when the transmission device configured to transmit/receive particular partial data divided from one particular data through two or more network interfaces receives the re-routing request from the network device corresponding to a particular network interface, transmitting the particular partial data according to the re-routing request to the reception device through another network interface of the two or more network interfaces.

Abstract: Telecommunications equipment includes first and second signal processing modules each including one or more line interface units, the first and second signal processing modules being arranged to be activated dependent on a failover state of the first and second signal processing modules. The telecommunications equipment further includes a plurality of external connectors and a plurality of isolation transformers arranged in one or more signal paths connected to the external connectors. Additionally, a first equipment housing includes at least the first and second signal processing modules and at least one further equipment housing includes at least the external connectors and isolation transformers.

Abstract: A node comprises a first communications interface to a customer network element, where the first communications interface is part of a group of communications interfaces to the customer network element to provide failover support. The node further includes a network interface to communicate over a trunk group to other nodes, where the trunk group includes a primary trunk and a secondary trunk. Just one of the primary and secondary trunks is active for communicating data units.

Abstract: A three stage folded Clos network is used for Ethernet routing with improved efficiency for computational complexity, network administration, multicast addressing and load redistribution upon failure. The network includes an array of root nodes coupled to an array of edge nodes. Forwarding states are computed and installed for spanning trees rooted on the root nodes. When an edge node is identified as having a failed connection to a root node, a shortest path first (SPF) tree rooted on that edge node is constructed for each Backbone VLAN identifier (B-VID) for the spanning trees rooted on that root node and use the failed connection. A filtering database in each node is populated for edge node pairs having a common service identifier, and unicast and multicast data are forwarded between the edge node pairs according to the filtering database via the SPF trees using a hybrid multicast addressing.

Abstract: Embodiments of the present disclosure provide an Ethernet ring protection switching method, network device and system. In the embodiments of the present disclosure, a node obtains bandwidth information of a first link on an Ethernet ring on which the node is located, and determines that bandwidth of the first link changes, where there is at least one Ethernet ring protection instance on the Ethernet ring, and then the node determines ports of the node, where the at least one Ethernet ring protection instance passes through the ports, so that the node can query pre-configured correspondence between bandwidth information and switching information of each link on the Ethernet ring, and execute, through the ports of the node, a switching operation corresponding to the bandwidth information of the first link.

Abstract: A multimode apparatus and a communication method thereof are disclosed. If the multimode apparatus is chosen to serve as a relay station due to a base station having a backhaul link problem, it sets up a first relay link with a first base station. Upon receiving a request for releasing the first relay link from the first base station even though the backhaul link is not restored, the multimode apparatus sets up a second relay link with a second base station, or configures and operates a standalone network or an independent network.

Abstract: A communication device for an industrial communication network which can be operated in a redundant manner comprises a first and a second transmitting and receiving unit that transmit data packets in a bumpy or bumpless manner inside the industrial communication network and are selectively changeable over to a bumpy or bumpless transmission mode. An evaluation unit is connected to the first and/or second transmitting and receiving unit(s) and detects data packets to be transmitted in the bumpy or bumpless manner inside the industrial communication network. Redundancy handling and filter units for received redundant data packets are deactivated when a data packet to be transmitted in the bumpy manner is detected. A memory unit is assigned to the first and/or second transmitting and receiving unit(s) and buffers at least one data packet to be transmitted in the bumpy manner during a predefined period of time in the bumpy transmission mode.

Abstract: Embodiments of the present invention pertain to the communication field and disclose a method and device for selecting a serving gateway entity. The method includes: receiving an access request message of a user equipment UE sent by a base station, where the access request message includes location information of the base station; acquiring, according to the location information of the base station, a signaling plane address list of serving gateway entities SGWs serving the UE; and selecting, according to failure information of paths between the SGWs and neighboring network elements of the SGWs and the acquired signaling plane address list of SGWs serving the UE, an SGW having no failed path to a neighboring network element of the SGW to serve the UE. The device includes: a receiving module, an acquiring module, and a selecting module.

Abstract: Embodiments of the present disclosure provide a method and device for establishing backup path, a method and device for selecting backup path. The method comprises a first node in a first IGP domain receiving a response message of successful establishment of a main path from a second node in a second IGP domain through the main path; the first node obtains path information of the main path from the response message; the path information of the main path includes at least SRLG information of a link composing the main path; the first node establishes, according to the path information of the main path, a backup path between the first node and the second node; the SRLG information of a link composing the backup path is different from the SRLG information of the link composing the main path.

Abstract: Grouping pseudowires based on hardware interfaces and configured control paths enables improved pseudowire failover performance. Signaling status changes (e.g., from standby to active status) is facilitated by using group IDs for the pseudowire groups, thereby enabling improved failover performance when there is disruption in the network.

Abstract: Systems and methods for data communication in OpenFlow networks are described. At least one system state condition corresponding to at least one flow matching condition is provided to a network device. The at least one system state condition is related to a state of at least one state attribute of the network device. The at least one system state condition is provided for forwarding a packet from the network device.

Abstract: Feed-forward arbitration is disclosed. An example method of feed-forward arbitration includes determining an aggregated measure of urgency of packets waiting in a queue.

Abstract: Method and apparatus of network traffic offloading is disclosed. Network traffic offloading method may include receiving a first network traffic offloading frame from a base station in a cellular network, the first network traffic offloading frame comprising a frame type instructing a scanning start by broadcasting an advertising frame, traffic information indicating traffic expected to be offloaded by the base station and a transmission configuration indicating a period and a duration to transmit the advertising frame, broadcasting the advertising frame based on the transmission configuration to scan at least one access point (AP), receiving at least one invitation frame from the at least one AP and transmitting a probe request frame to an AP selected among the at least one AP to associate with the selected AP.

Abstract: A wireless network provides a communication bearer with mobile communications devices using an indication of a type of data packets communicated via the communication bearer. The data packets may have a relative priority indicated by the type of the data packets communicated via the communication bearer with respect to data packets communicated via other communication bearers.

Abstract: The present invention relates to a congestion control method for a Mobility Management Entity (MME) in a mobile communication system. The method includes: receiving a mobility management request signal from a user equipment (UE) having Packet Data Network (PDN) connections for at least one Access Point Name (APN); checking whether the APN is in a congested state; and rejecting, when a specific APN is in a congested state, the mobility management request.

Abstract: A base station includes a congestion state determination unit that determines whether the base station is in a congestion state; a barring target setting unit that sequentially sets targets of barring among a plurality of the targets of the barring when a determination is made that it is the congestion state; a barring time interval setting unit that sets a time interval of the barring based on the congestion state when the determination is made that it is the congestion state; and a transmitter that transmits information representing the targets of the barring and information representing the time interval of the barring to the user equipment.

Abstract: A method and apparatus for dynamically balancing traffic loads in a communications system (such as satellite communications systems), based on a control of collision rates via the real-time control of throughput of channels of the communications system (such as a real time throughput of random access channels in a satellite network). The method and apparatus generates and transmits to remote nodes or terminals an operating probability based on the determined throughput for transmission using the communications channel. Also, the method and apparatus includes receiving by at least one terminal the generated operating probability and determining by the at least one terminal a transmission probability for the communications channel based upon the received operating probability, which can further be adjusted by one or more of a received upper or lower limit of the generated operating probability or a collision rate for the communications channel.

Abstract: Network devices, systems, and methods, including executable instructions and/or logic thereon, are provided to perform BGP intercepts. A network device includes a processing resource coupled to a memory. The memory includes program instructions executed by the processing resource to intercept BGP updates and process associated cryptographic signatures before receipt by a BGP router.

Abstract: In an example embodiment, there is disclosed herein an apparatus comprising an ingress interface, an egress interface, and a storm controller coupled to the ingress interface and the egress interface. The storm controller is operable to determine whether to forward packets for a traffic flow received at the ingress interface to the egress interface based on a rate over a time period. The storm controller forwards packets for the traffic flow while the rate exceeds a first threshold and is less than a second threshold while a predefined condition exits. The storm controller limits traffic for the traffic flow to the first threshold while the rate exceeds the first threshold and the predefined condition does not exist.

Abstract: A system and method for association of remote nodes with respective aggregation nodes in a high capacity shared bandwidth communications network, which meets various requirements and desires associated with efficient, robust, reliable and flexible broadband services, and which is relatively efficient and automated from a network management and load balancing standpoint, is provided. A remote node receives a message transmitted by a gateway over the communications network, wherein the message includes service codes identifying one or more service capabilities of the gateway. The remote node determines, based on the service codes, whether the gateway is an eligible gateway for servicing one or more service requirements of the remote node. The remote node then adds the gateway to a pool of eligible gateways within the communications network.

Abstract: Provided are a traffic management apparatus and method for controlling traffic congestion. The traffic management apparatus includes: a hierarchical queue configured to have a plurality of levels that are hierarchically different from each other; a Weighted Random Early Detection (WRED) management unit configured to allocate different weights to the respective levels, and to calculate a profile for each level; and a hierarchical scheduler configured to manage a packet according to each level, using the calculated profile for each level, thereby controlling traffic congestion.

Abstract: Systems and methods for utilizing transaction boundary detection methods in queuing and retransmission decisions relating to network traffic are described. By detecting transaction boundaries and sizes, a client, server, or intermediary device may prioritize based on transaction sizes in queuing decisions, giving precedence to smaller transactions which may represent interactive and/or latency-sensitive traffic. Further, after detecting a transaction boundary, a device may retransmit one or more additional packets prompting acknowledgements, in order to ensure timely notification if the last packet of the transaction has been dropped. Systems and methods for potentially improving network latency, including retransmitting a dropped packet twice or more in order to avoid incurring additional delays due to a retransmitted packet being lost are also described.

Abstract: Aspects of the present disclosure involve systems, methods, computer program products, and the like, for balancing or routing a received communication on a telecommunications network among a plurality of network devices. More particularly, a load balancing unit is associated with a telecommunications network that receives communications from one or more network devices intended for transmission through that network and selects an associated component of the network to process the communication.

Abstract: To control the transmission of real time transport packets over a network, incoming packets received over the network from a transmitter are monitored. A statistical analysis is performed on the received packets to determine network congestion. A message is sent to the transmitter to control a transmission parameter in accordance with the determined network congestion.

Abstract: A mobile communications network and infrastructure equipment are arranged to communicate data to mobile communications devices. The mobile communications network may establish a communications bearer between one of the mobile communications devices and one or more of the infrastructure equipment for communicating data packets for a communications session to the mobile communications device via the communications bearer. The infrastructure equipment is provided with an indication of a type of the data packets communicated via the communications bearer. Communication of the data packets is controlled via the communications bearer in accordance with a relative priority indicated by the type of the data packets communicated via the communications bearer with respect to data packets communicated via other communications bearers.

Abstract: The present solution is related to a method for distributing flows of network traffic across a plurality of packet processing engines executing on a corresponding core of a multi-core device. The method includes receiving, by a multi-core device intermediary to clients and servers, a packet of a first flow of network traffic between a client and server. The method also includes assigning, by a flow distributor of the multi-core device, the first flow of network traffic to a first core executing a packet processing engine and distributing the packet to this core. The flow distributor may distribute packets of another or second flow of traffic between another client and server to a second core executing a second packet processing engine. When a packet for the flow of traffic assigned to the first core is received, such as a third packet, the flow distributor distributes this packet to the first core.