85results about How to "Increasing complexity" patented technology

Telerobotic, telesurgical, and / or surgical robotic devices, systems, and methods employ surgical robotic linkages that may have more degrees of freedom than an associated surgical end effector n space. A processor can calculate a tool motion that includes pivoting of the tool about an aperture site. Linkages movable along a range of configurations for a given end effector position may be driven toward configurations which inhibit collisions. Refined robotic linkages and method for their use are also provided.

An information center provides a control program which is usable by a vehicle within its effective area. The control program may be transmitted to a vehicle in conjunction with the effective area through a broadcast antenna. According to the detected result of the current location, a control apparatus on a vehicle applies a control program to device control when the current location sites within the effective area. The vehicle can take possession of a control program fits to a region at any places to which it moves and can utilize those. It is possible to substitute an effective period for the effective area.

A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a plurality of first regions and a plurality of second regions. The first regions and the second regions are formed on the first substrate and the second substrate. In a narrow viewing mode, the luminous flux of the first regions along a first viewing direction is different from that of the first regions along a second viewing direction opposite to the first viewing direction, and the luminous flux of the second regions along the first viewing direction is substantially different from that of the first regions along the first viewing direction.

Methods and systems are provided for controlling movement of a train including a plurality of locomotives along a route. In one example, the method comprises, generating a first plan profile, the first plan profile including synchronous settings for the locomotives over a route, and generating a second plan profile based on the first plan profile, the second plan profile including independent settings for the locomotives over at least one region within the route. The method may further comprise, operating the locomotives based in the first and / or second plan profiles. In another example, the method comprises, generating a plan profile with fully independent settings for the locomotives over the entire route, the fully independent settings based on cost function coefficients of each locomotive.

A master cylinder for a hydraulic disc brake includes a housing defining a cylinder, the cylinder having a first and second end along its axis. A piston is received in the cylinder and has a radial seal between the piston and the cylinder. A lever is pivotably associated with the housing for pivoting between a rest position and an actuated position relative to the housing. A push rod is operatively associated with the piston and the lever to move the piston axially within the cylinder as the lever is actuated between the rest and actuated positions. A threaded engagement between a first end of the push rod and the lever is configured to cause movement of the rest position of the lever relative to the housing when a rotating force is applied to the push rod causing axial rotation of the push rod. An indexing structure is operatively associated with the push rod for providing index axial rotation of the push rod upon application of the rotating force to the push rod causing axial rotation of the push rod.

The invention discloses a system and method for improving the out-of-band noise response of a multi-order delta-sigma modulator. The system and method includes programmable delta-sigma modulators which may be programmed to vary the reference signals at each modulator stage subsequent to the first stage relative to the reference signal of the first modulator stage. The resulting signal output will then typically exhibit the enhanced noise suppression characteristics of a dithered signal without the added circuitry and power required of a dithering apparatus.

A bicycle hydraulic disc brake master cylinder includes a housing having a bar clamp at one end configured for fastening the housing to a bicycle handle bar, the bar clamp receiving the handle bar along a clamp axis. A handle is pivotably connected to the housing to pivot about a pivot axis in operative association with a piston train to impart a drive force on the piston train. The handle defines a finger receptacle receiving at least one finger of a user defining an effective force point at a select distance from a distal end of the handle. A select ideal finger actuation path for the at least one finger of a user begins at a start point at the effective finger force point with the handle at an engagement point where the handle begins to drive the piston train against operative fluid resistance and extends along a line from the start point at a select angle relative to the clamp axis. A pivotable connection is provided between the handle and the housing and is located on the housing relative to the clamp axis so that with the handle actuated by a force applied to the effective finger force point along this select ideal actuation path, a mechanical advantage to the user resulting from the handle actuation does not diminish more than three percent as the handle is pivoted between the engagement point and a fully actuated position.

Systems and methods for testing a laser eye surgery system are provided. Methods include establishing an image scale based on a calibration pattern, imageably altering a series of regions of a test surface with the laser system, laterally redirecting a laser beam to form a test pattern, imaging the test pattern, determining a lateral redirecting characteristic of the beam delivery system, and qualifying or calibrating the beam delivery system. Systems can include an input module that accepts an input member such as a calibration pattern parameter, a calibration pattern image, an intended pattern parameter, a test pattern image, an imaging device position, a calibration pattern position, a test pattern position, and a beam delivery system position, a characterization module that determines a beam delivery system characteristic, and an output module that generates a calibration for the beam delivery system of the laser eye surgery system.

The present application relates to a communication method in which a succession of time domain symbols (TDS) are transmitted by a transmitter to one or more receivers. Each time domain symbol has a plurality of signals which are transmitted in parallel by the transmitter. The signals may comprise data signals or pilot signals. At the transmitter, a set of pilot signals assigned to a given time domain symbol is provided with information about a phase vector applied to the time domain symbol. The phase vector is preferably selected with consideration of the reduction in the ratio of peak-to-average-power which can be achieved when the vector is applied to the time domain symbol. Transmitters and receivers for use in the communication method are also provided. The invention is particularly application to OFDM communication systems.

Methods and systems are provided for controlling movement of a train including a plurality of locomotives along a route. In one example, the method comprises, generating a first plan profile, the first plan profile including synchronous settings for the locomotives over a route, and generating a second plan profile based on the first plan profile, the second plan profile including independent settings for the locomotives over at least one region within the route. The method may further comprise, operating the locomotives based in the first and / or second plan profiles. In another example, the method comprises, generating a plan profile with fully independent settings for the locomotives over the entire route, the fully independent settings based on cost function coefficients of each locomotive.

A method for use in off-line P2P communication to be executed in a communication network system is proposed, comprising: receiving a request for registering off-line P2P communication service from a UE; judging whether the UE satisfies the predefined requirements for performing off-line P2P communication according to the request; generating an authentication information according to the judgment result, the authentication information indicating whether the UE can use off-line P2P communication service; sending the authentication information to the UE.

A gate driver and associated method for a double gate liquid crystal display (LCD) is disclosed. A gate driving signal generating circuit, such as coupled shift registers, generates the gate driving signals in response to horizontal synchronization signal. In one embodiment, a phase control circuit, such as logic AND gates, is coupled to receive the outputs of the shift registers for determining phase relationship between the outputs of the shift registers and the horizontal synchronization signal.

User equipment of a communication system in one aspect obtains data indicative of the position of a satellite, and obtains data indicative of the position of the user equipment. The user equipment computes a delay measure based on the data indicative of the position of the satellite and the data indicative of the position of the user equipment, and adjusts the timing of a communication transmitted from the user equipment to the satellite based on the delay measure. In an illustrative embodiment, the user equipment receives data indicative of position and velocity of the satellite, and adjusts both timing and frequency of the communication based on the position and velocity data. The timing and frequency adjusted communication may then be transmitted to the satellite over a unicast uplink channel.

A system, central controller, and method for mitigating a distributed denial-of-service (DDoS) attack in a networked computing system. One or more records including meta-data about network traffic are received from one or more network devices and anomalous network traffic is identified. A source address of the anomalous network traffic is determined and a mitigation action is initiated based on the source address and one or more mitigation rules, wherein a determination of whether the received data packet is part of the DDoS attack is based on one or more detection rules.

Systems and methods for generating a CDMA signal s(t) comprising N components involves assigning to each of the N components one unique spreading sequence an selected from a set of M spreading sequences with M≧N, modulating the symbols dn of each component on the assigned unique spreading sequence an, and combining the N symbols dn each being spread with its own unique spreading sequence an to a CDMA signal s(t). The assigned spreading sequences an are selected such that all selected pairs within the set of N spreading sequences are orthogonal or very close to be orthogonal so that cross-correlation components between all spreading sequences an are close to zero or zero.

A Time-Of-Flight camera for a motor vehicle includes an illumination unit with a light source and an optic for illuminating an illumination area, a camera unit for measuring measuring data and a control unit, wherein light emitted by the light source and reflectively detected by the camera unit is analyzable for determination of a distance information, wherein at least one piezoelectric actuating device is operably connected to the optic for adjusting the illumination area, and the control unit is configured for controlling the actuation device in dependence on at least one operating parameter which describes the driving situation of the motor vehicle.

This invention provides a color passive matrix bistable liquid crystal display system, in which one respective scan line corresponds to sub-pixels of same color and neighboring scan lines correspond to sub-pixels of different colors. The scan lines are grouped in accordance with the colors of the sub-pixels corresponding thereto such that different scan driving voltages can be provided to the sub-pixels of different colors when the scan lines are scanned. By way of the arrangement of the sub-pixels, different scan driving voltages are switched to the respective scan lines in accordance with the colors of the sub-pixels corresponding thereto. As a result, a demand that the sub-pixels of different colors require different scan driving voltages is satisfied. The image quality is improved.

In an elastic wave device, an interdigital transducer (IDT) electrode is disposed on a piezoelectric substrate. In at least one of first and second electrode fingers of the IDT electrode, elongated sections with a widthwise dimension larger than that of a center of the first and second electrode fingers in a longitudinal direction are provided in at least one of a portion closer to a base end of the first or second electrode finger and a portion closer to a leading end of the first or second electrode finger than a central region of the first or second electrode finger. At least one of first and second busbars includes a plurality of openings provided separately from each other along the longitudinal direction of the first and second busbars. At least one of the first and second busbars includes an inner busbar section which is positioned closer to the first electrode finger or the second electrode finger than the openings and which extends in the longitudinal direction of the first and second busbars, a central busbar section in which the openings are provided, and an outer busbar section.

User equipment of a communication system in one aspect obtains data indicative of the position of a satellite, and obtains data indicative of the position of the user equipment. The user equipment computes a delay measure based on the data indicative of the position of the satellite and the data indicative of the position of the user equipment, and adjusts the timing of a communication transmitted from the user equipment to the satellite based on the delay measure. In an illustrative embodiment, the user equipment receives data indicative of position and velocity of the satellite, and adjusts both timing and frequency of the communication based on the position and velocity data. The timing and frequency adjusted communication may then be transmitted to the satellite over a unicast uplink channel.

To allow both the valve lift and valve timing for an engine valve to be varied in a continuous manner, the variable valve actuating device (1) comprises a camshaft (8) rotatably supported by a fixed part of the engine and provided with a cam (7), a first rocker arm (9) pivotally supported by a fixed part of the engine, the first rocker arm being provided with a first point (12) engaging a stem of an engine valve (6), a drum (11) rotatably supported by a fixed part of the engine and at least partly surrounding the cam, a second rocker arm (10) having a first point (20) pivotally supported by the drum, a second point (21) adapted to engage the cam and a surface engaged by a second point (22) of the first rocker arm, and a control member (25, 26) for selectively turning the drum over a prescribed angular range.

A steering angle sensor includes a magnetized body coupled through a gear to a steering shaft so as to rotate with rotation of the steering shaft, a magnetic sensing device for detecting a magnetic field generated by the magnetized body, a signal processing device for detecting a direction of the magnetic field based on the detected magnetic field and for detecting a steering angle of the steering shaft based on the direction of the magnetic field, a correlation signal output sensor mounted on the vehicle to output a correlation signal correlated with the steering angle, and a signal check circuit for determining whether the steering angle is valid or invalid based on comparison between the steering angle and the correlation signal.

An integrated structure of MEMS device and CIS device and a fabricating method thereof includes providing a substrate having a CIS region and a MEMS region defined therein with a plurality of CIS devices positioned in the CIS region; performing a multilevel interconnect process to form a multilevel interconnect structure in the CIS region and the MEMS region and a micro-machined mesh metal in the MEMS region on a front side of the substrate; performing a first etching process to form a chamber in MEMS region in the front side of the substrate; forming a first mask pattern and a second mask pattern respectively in the CIS region and the MEMS region on a back side of the substrate; and performing a second etching process to form a plurality of vent holes connecting to the chamber on the back side of the substrate through the second mask pattern.

To allow both the valve lift and valve timing for an engine valve to be varied in a continuous manner, the variable valve actuating device (1) comprises a camshaft (8) rotatably supported by a fixed part of the engine and provided with a cam (7), a first rocker arm (9) pivotally supported by a fixed part of the engine, the first rocker arm being provided with a first point (12) engaging a stem of an engine valve (6), a drum (11) rotatably supported by a fixed part of the engine and at least partly surrounding the cam, a second rocker arm (10) having a first point (20) pivotally supported by the drum, a second point (21) adapted to engage the cam and a surface engaged by a second point (22) of the first rocker arm, and a control member (25, 26) for selectively turning the drum over a prescribed angular range.

A voltage translator circuit includes an input stage adapted for receiving an input signal referenced to a first voltage supply, a first latch circuit adapted for connection with a second voltage supply and operative to at least temporarily store a logic state of the input signal, and a voltage clamp coupled between the input stage and the first latch circuit. The voltage clamp is operative to set a maximum voltage across the input stage to a prescribed level. The voltage translator circuit generates a first output signal at a first output formed at a junction between the first latch circuit and the voltage clamp. A second latch circuit is connected to the first output in a feedback configuration. The second latch circuit is operative to retain a logical state of the first output signal as a function of at least a first control signal supplied to the second latch circuit regardless of a state of the first voltage supply.

In conjunction with establishment of a session between an access network and user equipment of a communication system, session-specific information is transmitted from the access network to the user equipment. The session-specific information transmitted from the access network to the user equipment comprises information to be utilized in an authentication protocol carried out between the user equipment and an authentication server of the system. For example, the session-specific information transmitted from the access network to the user equipment may comprise an identifier of a gateway coupled between the access network and the authentication server.

A method for performing Forward Error Correction (FEC) in a Turbo-Bell Labs Layered Space-Time (BLAST) Multiple-Input Multiple-Output (MIMO) communication system. The FEC method includes performing soft decision on a frame received via a plurality of antennas; performing iterative decoding on the soft decision result value a predetermined number of times, and outputting Log Likelihood Ratio (LLR) values for information bits and first parity bits constituting the frame; generating second parity bits by coding information bits calculated from the LLR values, and comparing the first parity bits calculated from the LLR values with the coded second parity bits; and if the first parity bits are identical to the second parity bits, outputting the information bits, determining that there is no error, and if the first parity bits are not identical to the second parity bits, feeding back the LLR values as a-priori information of the soft decision, and returning to the performing of soft decision.

An appliance for washing objects in which is employed a pump system for varying the spray velocity of washing fluid dispensed from spray jets affixed at an angle relative to a spray arm. In one embodiment, the pump system includes a pump having a pump motor such as a synchronous motor responsive to a variable frequency, single-phase alternating current input. The pump system also includes a pump motor control circuit configured to vary the frequency and voltage of the input, which in one example effectuates changes in the rotational speed of the pump motor in accordance with one or more operational cycles. The pump motor control circuit incorporates in one example a rectifier and an inverter that permits operation of the appliance when coupled to supply mains.