49th week of 2012 patent applcation highlights part 33 |
Patent application number | Title | Published |
20120307557 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND DATA ERASE METHOD THEREOF - A nonvolatile semiconductor memory device according to an aspect includes a semiconductor substrate, a memory cell array, memory strings, drain side selection transistors, source side selection transistors, word lines, bit lines, a source line, a drain side selection gate line, a source side selection gate line, and a control circuit. The control circuit applies a first voltage to a selected bit line, thereby executing an erase operation on a selected memory string connected to the selected bit line, and the control circuit applies a second voltage to a non-selected bit line, thereby prohibiting the erase operation for the selected memory string connected to the non-selected bit line. The first voltage is more than the second voltage. | 2012-12-06 |
20120307558 | APPARATUS FOR REDUCING THE IMPACT OF PROGRAM DISTURB - The unintentional programming of an unselected (or inhibited) non-volatile storage element during a program operation that intends to program another non-volatile storage element is referred to as “program disturb.” A system is proposed for programming and/or reading non-volatile storage that reduces the effect of program disturb. In one embodiment, different verify levels are used for a particular word line (or other grouping of storage elements) during a programming process. In another embodiment, different compare levels are used for a particular word (or other grouping of storage elements) during a read process. | 2012-12-06 |
20120307559 | DATA MODULATION FOR GROUPS OF MEMORY CELLS - Methods, devices, and systems for data modulation for groups of memory cells. Data modulation for groups of memory cells can include modulating N units of data to a combination of programmed states. Each memory cell of a group of G number of memory cells can be programmed to one of M number of programmed states, where M is greater than a minimum number of programmed states needed to store N/G units of data in one memory cell, and where the programmed state of each memory cell of the group is one of the combination of programmed states. | 2012-12-06 |
20120307560 | PAGE-BUFFER AND NON-VOLATILE SEMICONDUCTOR MEMORY INCLUDING PAGE BUFFER - A non-volatile memory device includes a memory cell array which includes a plurality of non-volatile memory cells, a plurality of word lines, and a plurality of bit lines. The memory device further includes an internal data output line for outputting data read from the bit lines of the memory array, and a page buffer operatively connected between a bit line of the memory cell array and the internal data output line. The page buffer includes a sense node which is selectively connected to the bit line, a latch circuit having a latch node which is selectively connected to the sense node, a latch input path which sets a logic voltage of the latch node in the programming mode and the read mode, and a latch output path which is separate from the latch input path. | 2012-12-06 |
20120307561 | NON-VOLATILE MEMORY DEVICE AND METHOD CONTROLLING DUMMY WORD LINE VOLTAGE ACCORDING TO LOCATION OF SELECTED WORD LINE - A non-volatile memory device includes access circuitry that selects a word line during an operation, applies a selected word line voltage to the selected word line, applies a non-selected word line voltage to non-selected word lines among the word lines, and applies a dummy word line voltage to the dummy word line. The dummy word line voltage is a first dummy word line voltage when the selected word line is not adjacent to the dummy word line and a second dummy word line voltage different from the first dummy word line voltage when the selected word line is adjacent to the dummy word line. | 2012-12-06 |
20120307562 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device according to an embodiment includes: a semiconductor substrate; a memory cell array including a plurality of memory cells, the memory cells being stacked on the semiconductor substrate; and a power supply circuit provided on the semiconductor substrate. The power supply circuit includes: a pump circuit configured to generate a voltage and supply the voltage to the memory cell array; a limiter circuit configured to output control signal for activating the pump circuit according to a comparison result between a voltage value of the output terminal and a first value; a capacitor configured to adjust a voltage of the output terminal; a boost circuit configured to charge the capacitor using a constant current based on the control signal; and a switch configured to stop a charge operation of the boost circuit. The capacitor is provided directly below the memory cell array. | 2012-12-06 |
20120307563 | NONVOLATILE MEMORY WITH BITLINE CAPACITIVE COUPLING COMPENSATION - A method of programming memory cells in a nonvolatile memory, includes applying a programming voltage to a first bitline and setting a second bitline in a floating state. The method further includes applying a compensation voltage to a shield conductive line coupled to the bitline set in the floating state, and setting in the floating state a shield conductive line coupled to the bitline receiving the programming voltage. The method is applicable to the reduction of the parasitic programming phenomena of memory cells by capacitive coupling between bitlines. | 2012-12-06 |
20120307564 | METHOD FOR KINK COMPENSATION IN A MEMORY - This disclosure concerns memory kink compensation. One method embodiment includes applying a number of sequentially incrementing programming pulses to a memory cell, with the sequential programming pulses incrementing by a first programming pulse step voltage magnitude. A seeding voltage is applied after applying the number of sequentially incrementing programming pulses. A next programming pulse is applied after applying the seeding voltage, with the next programming pulse being adjusted relative to a preceding one of the sequentially incrementing programming pulses by a second programming pulse step voltage magnitude. The second programming pulse step voltage magnitude can be less than the first programming pulse step voltage magnitude. | 2012-12-06 |
20120307565 | METHOD FOR OPERATING NON-VOLATILE MEMORY DEVICE - A method for operating a non-volatile memory device includes performing an erase operation onto a memory block including a plurality of memory cells, and performing a first soft program operation onto all the memory cells of a string, after the erase operation, grouping word lines of the string into a plurality of word line groups, and performing a second soft program operation onto memory cells coupled with the word lines of each word line group. | 2012-12-06 |
20120307566 | MEMORY CELL SENSING USING A BOOST VOLTAGE - The present disclosure includes devices, methods, and systems including memory cell sensing using a boost voltage. One or more embodiments include pre-charging and/or floating a data line associated with a selected memory cell, boosting the pre-charged and/or floating data line, and determining a state of the selected memory cell based on a sensed discharge of the data line after boosting the data line. | 2012-12-06 |
20120307567 | METHOD OF OPERATING NON-VOLATILE MEMORY DEVICE - A method of operating a non-volatile memory device includes erasing a memory cell block, supplying a first drain turn-on voltage higher than a target level to the drain select line of the memory cell block, and performing a soft program operation by supplying a soft program voltage to the word lines of the memory cell block. | 2012-12-06 |
20120307568 | TECHNIQUES FOR PROVIDING A SEMICONDUCTOR MEMORY DEVICE - Techniques for providing a semiconductor memory device are disclosed. In one particular embodiment, the techniques may be realized as a semiconductor memory device including a plurality of memory cells arranged in an array of rows and columns. Each memory cell may include a first region coupled to a source line, a second region coupled to a bit line, and a body region capacitively coupled to at least one word line via a tunneling insulating layer and disposed between the first region and the second region. | 2012-12-06 |
20120307569 | Printed Non-Volatile Memory - A nonvolatile memory cell is disclosed, having first and second semiconductor islands at the same horizontal level and spaced a predetermined distance apart, the first semiconductor island providing a control gate and the second semiconductor island providing source and drain terminals; a gate dielectric layer on at least part of the first semiconductor island; a tunneling dielectric layer on at least part of the second semiconductor island; a floating gate on at least part of the gate dielectric layer and the tunneling dielectric layer; and a metal layer in electrical contact with the control gate and the source and drain terminals. In one advantageous embodiment, the nonvolatile memory cell may be manufactured using an “all-printed” process technology. | 2012-12-06 |
20120307570 | METHOD FOR RELAYING DATA TO MEMORY ARRAY - A method is provided for relaying data to a memory array operating in synchronization with a clock signal having a first transition edge. A data strobe signal having a second transition edge corresponding to the first transition edge is provided. A first signal is provided. The data is latched into the first signal at a first time point lagged behind the first transition edge by a first time interval until a second time point in response to the first transition edge for relaying the data of the first signal to the memory array when the second transition edge appears earlier than the first transition edge. | 2012-12-06 |
20120307571 | Sense Amplifier Circuit - A sense amplifier circuit comprises a first inverter configured to provide a first trigger point during a pre-charge stage of a READ operation of a memory cell and provide a second trigger point either lower or higher than the first trigger point during a sense stage of the READ operation of the memory cell. The sense amplifier circuit further comprises a plurality of inverters coupled between an output of the first inverter and an output of the sense amplifier and a pre-charge device. The sense amplifier circuit having a dynamic trigger point can deliver faster data access time as well as less power consumption. | 2012-12-06 |
20120307572 | SEMICONDUCTOR DEVICE - The semiconductor device makes a comparison between a word-line timing signal for determining a word-line activation time and a reference signal, applies a back-gate bias for enlarging a read margin when the result of the comparison represents a low condition of the read margin, and applies a back-gate bias for enlarging a write margin when the comparison result represents a low condition of the write margin. The reference signal is selected depending on whether to compensate an operating margin fluctuating according to the word-line activation time (or word-line pulse width), or to compensate an operating margin fluctuating according to the process fluctuation (or variation in threshold voltage). By controlling the back-gate biases according to the word-line pulse width, an operating margin fluctuating according to the word-line pulse width, and an operating margin fluctuating owing to the variation in threshold voltage during its fabrication are improved. | 2012-12-06 |
20120307573 | SEMICONDUCTOR DEVICE - A semiconductor device includes first and second bit lines, and a transistor coupled between the first and second bit lines. The semiconductor device further includes a substrate bias control circuit that supplies one of a first substrate bias voltage and a second substrate bias voltage to the transistor. By controlling the substrate bias voltage of the transistor, high-speed equalization is performed, and an increase in leak current at times of standby and activation is prevented. | 2012-12-06 |
20120307574 | SRAM READ and WRITE Assist Apparatus - A SRAM READ and WRITE assist apparatus comprises a bit line voltage tracking block, a READ assist timer, a READ assist unit, a WRITE assist unit a WRITE control unit. The bit line voltage tracking block detects a voltage on a tracking bit line coupled to a plurality of tracking memory cells. In response to the voltage drop on the tracking bit line, the READ assist timer generates a READ assist pulse. When the READ assist pulse has a logic high state, an activated word line is pulled down to a lower voltage. Such a lower voltage helps to improve the robustness of SRAM memory circuits so as to avoid READ and WRITE failures. | 2012-12-06 |
20120307575 | MEMORY CONTROLLER AND CONTROL METHOD - A memory controller includes: a first write circuit configured to write a first dummy pattern including a plurality of consecutive first dummy values at a first address of a memory; a second write circuit configured to write a first pattern including a plurality of types of consecutive values at a second address of the memory after a write operation of the first dummy pattern by the first write circuit; a third write circuit configured to write a second dummy pattern including a plurality of consecutive second dummy values at a third address of the memory after a write operation of the first pattern by the second write circuit; a read circuit configured to read the written first pattern based on the second address of the memory; and a timing adjustment circuit configured to adjust a timing at which data is written into the memory based on a read first pattern. | 2012-12-06 |
20120307576 | ANALOG SENSING OF MEMORY CELLS WITH A SOURCE FOLLOWER DRIVER IN A SEMICONDUCTOR MEMORY DEVICE - Memory devices, methods, and sample and hold circuits are disclosed, including a memory device that includes a sample and hold circuit coupled to a bit line. One such sample and hold circuit includes a read circuit, a verify circuit, and a reference circuit. The read circuit stores a read threshold voltage that was read from a selected memory cell. The verify circuit stores a target threshold voltage that is compared to the read threshold voltage to generate an inhibit signal when the target and read threshold voltages are substantially equal. The reference circuit stores a reference threshold voltage that can be used to translate the read threshold voltage to compensate for a transistor voltage drop and/or temperature variations. | 2012-12-06 |
20120307577 | SYSTEM AND METHOD FOR GATE TRAINING IN A MEMORY SYSTEM - A system and method for gate training in a memory system is disclosed. In one embodiment, in a method for calibrating read data strobe gating, a first read command is issued to a memory module. A first DQS gate signal is issued before the beginning of the preamble of a first DQS signal received from the memory module that corresponds to the first read command. A second read command is issued to the memory module such that the preamble of a second DQS signal received from the memory module that corresponds to the second read command is adjacent to the postamble of the first DQS signal. Then, a second DQS gate signal is issued at a preset time after the first DQS gate signal. The second DQS signal is sampled repeatedly to locate the preamble of the second DQS signal. | 2012-12-06 |
20120307578 | SEMICONDUCTOR DEVICE HAVING REDUNDANT SELECT LINE TO REPLACE REGULAR SELECT LINE - Disclosed herein is a semiconductor device that includes a plurality of normal memory cells, a plurality of first normal lines each coupled to corresponding one or ones of the normal memory cells, a plurality of redundant memory cells, and first and second redundant lines each coupled to corresponding one or ones of the redundant memory cells. The first redundant line is configured to replace selected one or ones of the normal lines and the second line is configure to replace any one of the selected one or ones of the normal lines and remaining one or ones of the normal lines. | 2012-12-06 |
20120307579 | MEMORY RELIABILITY VERIFICATION TECHNIQUES - Some embodiments of the present disclosure relate to improved reliability verification techniques for semiconductor memories. Rather than merely carrying out a BIST test by verifying whether a memory cell accurately stores a “1” or “0” under normal read/write conditions, aspects of the present invention relate to BIST tests that test the read and/or write margins of a cell. During this BIST testing, the read and/or write margins can be incrementally stressed until a failure point is determined for the cell. In this way, “weak” memory cells in an array can be identified and appropriate action can be taken, if necessary, to deal with these weak cells. | 2012-12-06 |
20120307580 | PRE-CHARGE AND EQUALIZATION DEVICES - A circuit comprises a set of pre-charge and equalization devices, a control signal line, and a word line. The set of pre-charge and equalization devices is configured to pre-charge and equalize a pair of data lines. The control signal line is configured to control the pre-charge and equalization devices. The word line is configured to electrically couple a memory cell to a data line of the pair of data lines. A first voltage value provided to the control signal line is from a first voltage source different from a second voltage source that generates a second voltage value for the word line. | 2012-12-06 |
20120307581 | SEMICONDUCTOR DEVICE ON WHICH WAFER-LEVEL BURN-IN TEST IS PERFORMED AND MANUFACTURING METHOD THEREOF - Disclosed herein is a device that includes a clock generation circuit that generates an internal clock signal during a normal operation and stops generation of the internal clock signal during a wafer-level burn-in test, a clock tree line that transmits the internal clock signal, and a selector that supplies a dummy clock signal, which is different from the internal clock signal, to the clock tree line during the wafer-level burn-in test. | 2012-12-06 |
20120307582 | SEMICONDUCTOR DEVICE PERFORMING SELF REFRESH OPERATION - When refresh activation signals (REFACT | 2012-12-06 |
20120307583 | SEMICONDUCTOR DEVICE FOR PERFORMING A REFRESH OPERATION - A semiconductor device according to the present invention has an address scrambling circuit for performing address scrambling operation of an address and a redundancy judging circuit for judging that redundancy judgment is performed about the address scrambled by the address scrambling circuit. This structure makes it possible to completely refresh operation concerned with normal word lines and redundancy word lines. | 2012-12-06 |
20120307584 | MEMORY POWER SUPPLY CIRCUIT - A memory power supply circuit is used for providing power to a first memory module received in a first memory slot and a second memory module received in a second memory slot, and comprises a logic circuit and a switching power supply. The logic circuit comprises a first input terminal electrically connected to the first memory slot, a second input terminal electrically connected to the second memory slot, and a first signal terminal. The switching power supply comprises a first power terminal, a second power terminal, and a second signal terminal electrically connected to the first signal terminal. When the first memory slot and the second memory slot receive the first memory slot and the second memory module, the switching power supply turns on the first power terminal and the second power terminal; otherwise, the switching power supply turns off the first power terminal or the second power terminal. | 2012-12-06 |
20120307585 | Rotor for homogenizing flowable media - The invention relates to a dispersing rotor for homogenizing free-flowing media. According to the invention, the rotor-toothing formation forms a labyrinth toothing formation for a medium passing radially outward. The invention allows effective homogenization of free-flowing media by this rotor alone, without interaction with a stator-toothing formation being necessary. | 2012-12-06 |
20120307586 | MIXING APPARATUS - A mixing apparatus comprising: a) a mixing well characterized by an internal volume not exceeding 100 ml; b) a drive mechanism including a stationary circumferential gear on an inner surface of the mixing well; and c) a planetary mixing element driven by a mixing element gear which engages the stationary circumferential gear. | 2012-12-06 |
20120307587 | VERTICAL AGITATOR FOR WASTEWATER RECEIVED IN A SEDIMENTATION TANK - The invention relates to a vertical agitator for wastewater and the like received in a sedimentation tank, wherein an agitator tool ( | 2012-12-06 |
20120307588 | IN-LINE-TYPE FLUID MIXER - An in-line-type fluid mixer is provided, which includes a first channel-forming part defining a first inlet channel from a first inlet portion to a first passage portion; a second channel-forming part defining a second inlet channel from a second inlet portion to a second passage portion; a third channel-forming part defining an outlet channel having a sectional area that increases from a narrower portion through a flaring portion to an outlet portion, and being communicated with the first inlet channel and the second inlet channel, respectively, at an end of the narrow portion; and a whirling stream-generating part for generating a whirling stream in at least one of the first inlet channel and the second inlet channel. | 2012-12-06 |
20120307589 | FLUID MIXER AND APPARATUS USING FLUID MIXER - A fluid mixer includes a main flow path comprised of a first flow path and a second flow path, spiral flow paths formed around the second flow path in shapes substantially concentric with the second flow path and offset in position from each other in a circumferential direction, the spiral flow paths having first ends communicated with the first flow path, branch flow paths branched from a plurality of locations of the second flow path in a flow direction, the branch flow paths being communicated with the spiral flow paths at a plurality of locations of the spiral flow paths in the flow direction, a fluid inlet at an open end of either of the first flow path and the second flow path, and a fluid outlet at an open end of the other of the first flow path and the second flow path. | 2012-12-06 |
20120307590 | PINSCREEN SENSING DEVICE - Systems and methods for sensing one or more signals include a plurality of pins, wherein the pins are independently movable relative to one another, one or more signal generators coupled to respective pins, one or more signal detectors coupled to respective pins, and a body, wherein the plurality of pins are coupled to the body. | 2012-12-06 |
20120307591 | METHODS AND APPARATUS FOR SEISMIC EXPLORATION USING PRESSURE CHANGES CAUSED BY SEA-SURFACE VARIATIONS - Disclosed are apparatus and methods for seismic exploration using pressure changes caused by sea-surface variations as a low-frequency seismic energy source. One embodiment relates to a method which obtains dual wave-fields measured below a sea surface. The measured dual wave-fields are decomposed into a down-going wave-field and an up-going wave-field at a selected observation level. Seismic images are then generated using the down-going and up-going wave-fields. Other embodiments, aspects, and features are also disclosed. | 2012-12-06 |
20120307592 | Methods and Apparatus to Calculate A Distance from A Borehole to A Boundary of An Anisotropic Subterranean Rock Layer - A disclosed example method includes providing, in a borehole, a transmitter (Tx) and receivers (Rxs) spaced linearly from Tx at known distances, measuring linear propagation times (LPts) for a signal to propagate from Tx to each of Rxs, determining an inline velocity (V | 2012-12-06 |
20120307593 | NON-LINEAR TOMOGRAPHY METHOD FOR MAIN AXIS OF SYMMETRY OF ANISOTROPIC VELOCITY MODEL AND APPARATUS - Device and method for estimating an event-related main anisotropy axis for a volume in a subsurface. The method includes selecting a velocity migration model for the given volume of the subsurface; receiving seismic data for the given volume; migrating the seismic data based on the velocity migration model; picking locally coherent events from the migrated data; and performing a tomographic process based on invariants to calculate the event-related main anisotropy axis. | 2012-12-06 |
20120307594 | OBSTACLE DETECTION DEVICE - An obstacle detection device controls distance sensors to cause the distance sensors to transmit a transmission wave during a fixed time period, measures a first time which has elapsed from a time at which the transmission starts to a time at which a reflected wave is detected, and a second time which has elapsed a time at which the above-mentioned transmission is stopped to a time at which the reflected wave disappears, and determines that an obstacle exists when a time difference between the above-mentioned first time and the above-mentioned second time is equal to or shorter than a predetermined allowed time. Therefore, the obstacle detection device can reduce the time required for the determination to at least one-half that provided by a related art technique, and improves the accuracy of the detection of an object moving at a relatively high speed. | 2012-12-06 |
20120307595 | SYSTEMS AND METHODS FOR DISAMBIGUATING SHOOTER LOCATIONS WITH SHOCKWAVE-ONLY LOCATION - The systems and methods described herein relate to an airborne shooter detection system having a plurality of sensors coupled to the body of an aircraft such as a helicopter. The sensors are arranged to receive shockwave-only signals. The received signals are analyzed to determine an unambiguous shooter location. The analysis may include measuring the arrival times of the shockwaves of projectiles at each of the sensors, determining the differences in the arrival times among sensors, computing a set of ambiguous solutions corresponding to a shooter, and clustering this set of solutions to determine the unambiguous shooter location. The systems and methods described herein may also be used to determine if multiple shooters are present, and subsequently determine the shooter locations for each of the multiple shooters. | 2012-12-06 |
20120307596 | SYSTEMS, METHODS, AND APPARATUS TO DRIVE REACTIVE LOADS - Systems, methods, and apparatus to drive reactive loads are disclosed. An example apparatus to drive a reactive load includes a reactive component in circuit with the reactive load, a first switching element in circuit with the reactive load to selectively hold the reactive load in a first energy state and to selectively allow the reactive load to change from the first energy state to a second energy state, a second switching element in circuit with the reactive load to selectively hold the reactive load in the second energy state and to selectively allow the reactive load to change from the second energy state to the first energy state, and a controller to detect a current in the reactive load, and to control the first and second switching elements to hold the reactive load in the first or the second energy state when the current traverses a threshold. | 2012-12-06 |
20120307597 | SYSTEM AND METHOD FOR DETERMINING A FREQUENCY SWEEP FOR SEISMIC ANALYSIS - A sweep generator is employed to generate a sweep to be used by a seismic vibrator device for generating a desired target output spectrum, wherein the frequency sweep is designed so as to comply with one or more constraints imposed by the seismic vibrator device and/or imposed by the environment in which the device is to be used. In one embodiment, a sweep generator determines a sweep for achieving a desired target output spectrum by a given seismic vibrator device in compliance with at least a pump flow constraint imposed by the seismic vibrator device. In another embodiment, a sweep generator determines a sweep for achieving a desired target output spectrum by a given seismic vibrator device in compliance with all of multiple operational constraints of the seismic vibrator device, such as both mass displacement and pump flow constraints. Environmental constraints may also be accounted for in certain embodiments. | 2012-12-06 |
20120307598 | ELECTRONIC APPARATUS AND ELECTRONIC TIMEPIECE - A power generating unit generates electric power according to light incident on a light-receiving surface. A power storage unit stores the electric power generated by the power generating unit and outputs the stored electric power. A generated-power voltage detecting unit detects the voltage of the electric power generated by the power generating unit. A stored electricity voltage detecting unit detects the voltage output from the power storage unit. A display unit displays a character or an image. The display control unit changes contents to be displayed on the display unit on the basis of the voltage of the electric power generated by the power generating unit, which is detected by the generated-power voltage detecting unit, and the voltage of the electric power output from the power storage unit, which is detected by the stored electricity voltage detecting unit. | 2012-12-06 |
20120307599 | ELAPSED TIME CLOCK - The present invention provides a clock having a body with a first clock face and a second clock face. The clock includes a start time assembly at least partially positioned within the body and corresponding with the first clock face, an end time assembly at least partially positioned within the body and corresponding with the second clock face, and an elapsed time assembly in mechanical communication with both the start time assembly and the end time assembly. | 2012-12-06 |
20120307600 | ELECTRONIC TIMER/SENSOR TO PROTECT SKIN FROM OVEREXPOSURE TO UV RADIATION - A portable device that alerts a user when she should reapply her sunscreen product. The device is activated by a start/stop button and a count down timer counts down from a fixed amount of time to zero. Once the timer has counted down to zero, an indicator such as an alarm is activated to notify the user it is time for her to reapply her sunscreen product. Preferably the fixed amount of time can range from about one to about four hours and, most preferably, the fixed amount of time is about two hours. | 2012-12-06 |
20120307601 | IMPACT-PROOF TIMEPIECE ESCAPEMENT - An escapement includes an escapement wheel ( | 2012-12-06 |
20120307602 | ELECTRONIC WATCH - When recovering power from a motor driver, a forward voltage across a parasitic diode can reduce the recovery efficiency, and control of a power recovery operation can take an unnecessarily long time. In order to address this problem, the power recovery operation is performed as follows without being affected by a parasitic diode: near a peak position of a waveform of an induced current resulting from free oscillation of a rotor after a drive pulse is output, a recovery pulse having such a level that the rotor does not rotate is output from a terminal different from a motor driver terminal to which the drive pulse was output. Also, by adjusting the width and output timing of the recovery pulse based on a power supply voltage, the power recovery can be optimized for the power supply voltage. | 2012-12-06 |
20120307603 | TIME REPORTING THROUGH VIBRATION - A tool for reporting a particular time using vibration is disclosed. The tool assigns a distinct vibration to separate hour regions and minute regions. The tool uses a short series of vibration pulses, one of which is the distinct vibration assigned to the hour region associated with the hour of the particular time, to indicate the hour. The tool produces the distinct vibration assigned to the minute region associated with the minute of the particular time, to indicate the minute to the nearest quarter hour. The total sequence of pulses consists of no more than five separate vibrations. | 2012-12-06 |
20120307604 | IMPLEMENTATION METHOD, IMPLEMENTATION DEVICE FOR ELECTRONIC ALARM CLOCK, AND MOBILE COMMUNICATION TERMINAL THEREOF - The present invention provides an implementation method, implementation device for electronic alarm clock, and a mobile communication terminal thereof, the main content of which includes: determining a first time length capable of achieving the alert purpose by learning the time when a user inputs an instruction of stopping shaking and/or ringing during a plurality of shaking and/or ringing processes, and keeping, in a time period, the shaking and/or ringing intensity when the first time length is over, thus enabling the quick alert in the case which avoids frightening the user by abrupt shaking and/or ringing. | 2012-12-06 |
20120307605 | Thermally Assisted Magnetic Recording Head Inspection Method and Apparatus - In a method and an apparatus for inspecting a thermally assisted magnetic recording head element, a specimen is mounted on a table movable in a plane of a scanning probe microscope device, evanescent light is generated from a portion of light emission of evanescent light of the specimen, scattered light of the evanescent light is detected by moving the table in the plane while a cantilever of the scanning probe microscope having a probe is vertically vibrated in the vicinity of a surface of the specimen, and an intensity distribution of the evanescent light emitted from the portion of light emission of evanescent light or a surface profile of the portion of light emission of evanescent light of the specimen is inspected using position information of generation of the evanescent light based on the detected scattered light. | 2012-12-06 |
20120307606 | NEAR FIELD OPTICAL RECORDING SYSTEM HAVING NEGATIVE INDEX OF REFRACTION STRUCTURE. - High density-information storage is accomplished by the use of novel, near-field optical devices in combination with high-density storage media. The near-field optical devices are configured to focus light to nanoscale spot sizes and may employ negative index of refraction materials for focusing. The high-density storage media may include protein-based storage media, such as photochromic proteins, and high-coercivity magnetic storage media. Light energy provided the optical devices may enable exposed protein molecules to transition between stable molecular states that may be distinguished on the basis of their respective spectral maxima. Light energy provided by the optical device may also be used to heat localized regions of magnetic media to a selected temperature, effecting local changes in coercivity of the magnetic media. Information may be written to the magnetic storage media within this localized region using a magnetic recording device, while leaving the magnetic state of the remaining portion of the magnetic storage media unchanged. | 2012-12-06 |
20120307607 | RECORDING MEDIUM, REPRODUCTION AND RECORDING METHOD, REPRODUCTION AND RECORDING DEVICE - Obtain an expanded address without altering the bit number of an address which is embedded in a wobble. Generate a virtual bit which is not recorded on a disc, and which is expressed by the disparity from the rules and the presence or absence of information embedded in part or all of the wobble address. | 2012-12-06 |
20120307608 | RECORDING MEDIUM, REPRODUCTION AND RECORDING METHOD, REPRODUCTION AND RECORDING DEVICE - Obtain an expanded address without altering the bit number of an address which is embedded in a wobble. Generate a virtual bit which is not recorded on a disc, and which is expressed by the disparity from the rules and the presence or absence of information embedded in part or all of the wobble address. | 2012-12-06 |
20120307609 | RECORDING MEDIUM, REPRODUCTION AND RECORDING METHOD, REPRODUCTION AND RECORDING DEVICE - Obtain an expanded address without altering the bit number of an address which is embedded in a wobble. Generate a virtual bit which is not recorded on a disc, and which is expressed by the disparity from the rules and the presence or absence of information embedded in part or all of the wobble address. | 2012-12-06 |
20120307610 | OPTICAL DISC APPARATUS - An optical disc apparatus includes an optical pickup, a signal generation section which generates a total reflection signal and a focus error signal, and a servo control section which controls optical pickup. The optical disc apparatus further includes a main control section which binarizes the track cross signal by using a predetermined threshold value and, by using the binarized track cross signal, checks the tracing state of a track. The main control section controls the servo control section to check, by tracing one turn of the track of an optical disc, whether or not a tracking servo deviation occurs. When a tracking servo deviation occurs during the tracing, the main control section controls the servo control section to make the check once again. When, in the check made once again, a tracking servo deviation is found to occur again, the main control section increases the threshold value used in binarization. | 2012-12-06 |
20120307611 | OPTICAL DISC APPARATUS - An optical disc apparatus includes an optical pickup that emits light to an optical disc and receives reflection light reflected by the optical disc, a temperature sensor for detecting ambient temperature of the optical pickup, a temperature control processing portion that performs a process corresponding to temperature information obtained by the temperature sensor, and a filter portion that performs filtering of a signal about the temperature information during a period until the temperature information detected by the temperature sensor is input to the temperature control processing portion. | 2012-12-06 |
20120307612 | OPTICAL DISC, OPTICAL DISC DEVICE, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCTION METHOD - An optical disc for recording information with a plurality of sorts of data recording densities. The optical disc has a plurality of data recording areas for recording information with mutually different data recording densities. Information about the data recording densities in the data recording areas is recorded in a BCA area with a specific format not depending on the data recording densities of the data recording areas. In this case, the data recording areas are located to be divided in the same plane of the disc or to be divided into a plurality of recording layers. | 2012-12-06 |
20120307613 | OPTICAL DISC, OPTICAL DISC DEVICE, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCTION METHOD - An optical disc for recording information with a plurality of sorts of data recording densities. The optical disc has a plurality of data recording areas for recording information with mutually different data recording densities. Information about the data recording densities in the data recording areas is recorded in management information recording areas (BCA and PIC areas) with a specific format not depending on the data recording densities of the data recording areas. In this case, the data recording areas are located to be divided in the same plane of the disc or to be divided into a plurality of recording layers. | 2012-12-06 |
20120307614 | OPTICAL DISC APPARATUS - An optical disc apparatus comprising an optical disc drive for recording on and/or playing back an optical disc; a storage part for storing information; and a save control part for accumulating and saving error information in the storage part, the error information including information that indicates specific error contents in a case in which an error has been generated in the optical disc drive. | 2012-12-06 |
20120307615 | SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR EXTENDED DIAGNOSTIC OVERLAY CONTROL FOR TAPE STORAGE DEVICES - According to one embodiment, a system includes a tape drive for reading from and/or writing to magnetic tape media, the tape drive having a memory and logic adapted for: monitoring parameters relating to operation of the tape drive to collect data from the operation of the tape drive, receiving a specification of an owner interface comprising a source of specifiable parameters, receiving one or more user-specified parameters from the owner interface to log during a collection window, logging at least some of the data collected from the operation of the tape drive to the memory during the collection window, wherein the at least some of the data collected is stored in a tape map including a plurality of fields, and dynamically overlaying one or more fields from the plurality of fields with data collected from the one or more user-specified parameters. The plurality of fields includes at least one histogram field, at least one per-channel field, and at least one per-channel indicator field. | 2012-12-06 |
20120307616 | QUICK ACCESS TO DISC MANAGEMENT INFORMATION - The invention relates to a method and a recording device for easy and quick access to record carrier management information stored on the record carrier itself. The invention further relates to a record carrier for use in such a method and recording device. | 2012-12-06 |
20120307617 | INCREASED SPECTRAL EFFICIENCY AND REDUCED SYNCHRONIZATION DELAY WITH BUNDLED TRANSMISSIONS - Techniques are provided for increasing spectral efficiency over data channels in a storage or communication system. In some embodiments, data may be encoded and transmitted over multiple channels. The transmitted data from the multiple channels may be considered together as a channel bundle, thereby increasing the edge transitions of the group of signals to improve clock recovery and reduce coding constraints. In some embodiments, the channel bit size is reduced to maximize data rates based on the reduced coding constraints. Furthermore, the channel bundle has only one channel with timing markers, so that a receiver may receive information from the channel bundle and recover clocking based on the timing markers in the one channel. | 2012-12-06 |
20120307618 | OPTICAL DISK RECORDING DEVICE, RECORDING DATA TRANSMISSION METHOD, AND SEMICONDUCTOR DEVICE - Provided is an optical disk recording device including: a recording pulse information generation unit that generates, from a recording signal, recording pulse information corresponding to a power level of laser light; a recording code generation unit that generates a recording code by encoding the recording pulse information; and a decoded code generation unit that decodes the recording code. The recording code generation unit generates the recording code based on a cyclic cede representing each transmission of the power level by using a Gray code. The decoded code generation unit decodes the recording code by using a recording code corresponding to a power level at a predetermined timing and a recording code corresponding to a power level immediately prior to the power level at the predetermined timing. | 2012-12-06 |
20120307619 | OPTICAL PICKUP DEVICE - An optical pickup device, which is capable of inhibiting peeling from a bonded interface and deviation of an optical axis from being caused even by long-term environmental variations, has a photonic device | 2012-12-06 |
20120307620 | LIGHT SOURCE DEVICE, OPTICAL PICKUP, AND RECORDING DEVICE - A light source device configured as a master oscillator power amplifier includes a mode locked laser unit having an external resonator and a semiconductor optical amplifier that amplifies and modulates laser light emitted from the mode locked laser unit. The width in a lateral direction of a waveguide on an incident side of the semiconductor optical amplifier is set so that a horizontal lateral mode of the waveguide on the incident side of the semiconductor optical amplifier becomes multiple modes, and a magnification conversion unit that converts a magnification of incident light from the mode locked laser unit to the semiconductor optical amplifier is disposed so that a basic mode is selectively excited in optical coupling on the incident side of the semiconductor optical amplifier. | 2012-12-06 |
20120307621 | SYSTEM, APPARATUS, AND METHOD FOR REDUCING RECOVERY FAILURE DELAY IN WIRELESS COMMUNICATION SYSTEMS - A method, an apparatus, and a computer program product for wireless communication are provided in which blocking of LTE access due to Internet Protocol Multimedia Subsystem (IMS) Packet Data Network (PDN) recovery failure is prevented. The blocking may be caused by detach and immediate attach to LTE because of internal or other commonly executed network procedures. Recovery procedures may be modified to avoid prolong periods when access to the PDN is prevented based on long backoff delays set by an operator for PDN failure conditions. Based on a reason for failure to reconnect, a backoff period may be selected from an operator define minimum backoff time and a locally configured minimum backoff time. | 2012-12-06 |
20120307622 | MAC ARCHITECTURE IN WIRELESS COMMUNICATION SYSTEMS SUPPORTING H-ARQ - A medium access control-high speed (MAC-hs) comprises a hybrid automatic repeat request (H-ARQ) device configured to receive data blocks over a wideband-code division multiple access (W-CDMA) high speed-downlink shared channel (HS-DSCH). The H-ARQ device generates an acknowledgement (ACK) or negative acknowledgement (NACK) for each said data block received. Each received data block having a transmission sequence number. The H-ARQ device receives a new transmission instead of a pending retransmission at any time. At least one reordering device has an input configured to receive an output of the H-ARQ device and the at least one reordering device configured to reorder the received data blocks based on each received data block's transmission sequence number (TSN). Received data blocks are immediately forwarded for processing for higher layers when the received data blocks are received in sequence. | 2012-12-06 |
20120307623 | Method and Apparatus Providing Selective Flow Redistribution Across Multi Link Trunk/Link Aggregation Group (MLT/LAG) After Port Member Failure and Recovery - A method, apparatus and computer program product are presented. In a system having at least one Multi Link Trunk/Link Aggregation Group (MLT/LAG), a table is provided for each MLT/LAG, each table having at least one entry, each entry including at least two fields, a first field comprising a port member identification (ID) field and a second field comprising a port member status field. A port member status is checked for a port when a packet flow hashes into the table, and the status for the port member is determined. When the port member status is in a first state, then the associated port member ID is used as a destination port to transmit to. When the port member state is in a second state, then a next entry in the port table is accessed to find a next available entry having a port member status that is in the first state and the corresponding port member ID of the port member state that is in the first state is used as a destination port to transmit to. The first state is UP and the second state is DOWN. | 2012-12-06 |
20120307624 | MANAGEMENT OF MISBEHAVING NODES IN A COMPUTER NETWORK - In one embodiment, a node in a computer network detects a misbehaving node in the computer network based on the misbehaving node acting in violation of one or more rules. As such, the node communicates information regarding the misbehaving node to a network management system (NMS), and then may receive isolation instructions from the NMS regarding how to isolate the misbehaving node from the computer network. Accordingly, the node may perform the isolation instructions. In another embodiment, the NMS receives the communicated information regarding the misbehaving node, and determines whether the misbehaving node should be isolated based on the communicated information. If so, then the NMS determines isolation instructions regarding how to isolate the misbehaving node from the computer network, and transmits them to one or more nodes in the computer network, accordingly. | 2012-12-06 |
20120307625 | Method and Apparatus For Selecting Between Available Neighbors in a RAPID Alternate Path Calculation - A weighting process may be used to select between alternate neighbors in a RAPID calculation to enable policy and/or traffic engineering considerations to affect the selection of an alternate path through the network. The information used to weight the neighbors may static administratively assigned weighting information or dynamic weighting information such as local statistical traffic condition information. The process may take into account the amount of traffic being handled by the current primary next hop for the destination, the available capacity of the available alternate neighbors, the ability of the alternate neighbors to handle the additional traffic, and other considerations. Weighting may occur after a set of available loop free alternate neighbors has been determined. Alternatively, weighting may occur before the RAPID calculation has been performed to cause the neighbors to be ordered prior to RAPID processing. This may enable RAPID calculation to stop without considering all available neighbors. | 2012-12-06 |
20120307626 | FIELD-DEPLOYABLE PROTOCOL MESSAGE INTERCEPTOR - A method and apparatus is disclosed for a field-deployable protocol message interceptor for insertion between network elements, to autonomously intercept success path protocol messages from a first network element and substitute corresponding failure path messages for transmission to a second network element, to simulate the introduction of unexpected protocol messages into the protocol message flow from the first network element to the second network. Subsequent to intercepting messages, the test protocol processor may perform one or more of several actions according to the results of statistical calculations. These actions include allowing the message to drop, replacing the message after a delay, replacing the message after altering the payload of the message, and replacing the message after altering the message type. The disclosed field-deployable protocol message interceptor is particularly useful for providing a means to perform in situ field testing of network performance indicators under desired statistical conditions. | 2012-12-06 |
20120307627 | COMMUNICATION CONTROL METHOD AND MANAGEMENT APPARATUS - In a communication control method: information processing apparatuses output frames to a first communication apparatus for communication; when a failure in a link between the first communication apparatus and a first one of the information processing apparatuses is detected, the first one of the information processing apparatuses switches the forwarding direction of frames containing tag information from a direction toward the first communication apparatus to a direction toward a second communication apparatus; the management apparatus searches for a second one of the information processing apparatuses which uses the tag information in common with the first one of the information processing apparatuses; and the second one of the plurality of information processing apparatus switches the forwarding direction of frames containing the tag information used in common with the first one of the information processing apparatuses, from a direction toward the first communication apparatus to a direction toward the second communication apparatus. | 2012-12-06 |
20120307628 | COMMUNICATION APPARATUS AND PACKET DISTRIBUTION METHOD - A communication apparatus includes a high-priority link configured to transmit one or more high-priority packets that have a priority level greater than or equal to a given level; a plurality of low-priority links that are optically coupled to the same transmission destination as the high-priority link and are configured to transmit one or more low-priority packets that have a priority level less than the given level; a first distribution circuit configured to select the one or more high-priority packets from among input packets and distribute the selected one or more high-priority packets to the high-priority link; and a second distribution circuit configured to individually distribute one or more remaining input packets, which are the input packets that have not been distributed to the high-priority link by the first distribution circuit, to the plurality of low-priority links based on distribution information about distributing packets to the plurality of low-priority links. | 2012-12-06 |
20120307629 | SOURCE ROUTING CONVERGENCE IN CONSTRAINED COMPUTER NETWORKS - In one embodiment, a source routing device (e.g., root device) pre-computes diverse source-routed paths to one or more nodes in a computer network. Upon receiving a particular packet, the device forwards the particular packet on a source-routed first path of the pre-computed diverse paths. In the event the device implicitly detects failure of the first path, then it forwards a copy of the particular packet on a source-routed second path of the pre-computed diverse paths in response. In one embodiment, implicit failure detection comprises seeing a second (repeated) packet with the same identification within a certain time since the first packet, and the second packet is forwarded on the second path. In another embodiment, implicit failure detection comprises not seeing a link-layer acknowledgment returned or receiving an error notification from a node along the broken path, and a stored copy of the particular packet is forwarded on the second path. | 2012-12-06 |
20120307630 | METHOD OF SUPERVISING A NODE IN A COMMUNICATION SYSTEM - A method of supervising a node in a communication system, the communication system comprising a OAM system, a Femto node controlled by the OAM system, and a first communication path between the node and the OAM system, the method comprising the steps of: determining that the node is unable to receive commands sent by the OAM system via the first communication path; establishing a second communication path between the node and the supervising entity via a cellular network; and sending a trigger message to the node via the second communication path to initiate a communication path set up on the first communication path towards the OAM system. | 2012-12-06 |
20120307631 | METHOD AND APPARATUS FOR PROVIDING CONGESTION MANAGEMENT FOR A WIRELESS COMMUNICATION NETWORK - A method and apparatus for providing a congestion management of a wireless communication network are disclosed. For example, the method projects dynamically a trend for a network element of the wireless communication network, using a functionality metric associated with the network element of the wireless communication network, and determines if there is a potential congestion in accordance with the trend. The method then provides a notification of the potential congestion, if there is a potential congestion for the network element of the wireless communication network. | 2012-12-06 |
20120307632 | METHOD AND APPARATUS TO PREVENT RAN (RADIO ACCESS NETWORK) OVERLOAD FOR LEGACY NETWORKS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload for legacy networks in a wireless communication system. In one embodiment, the method comprise initiating a RRC (Radio Resource Control) connection establishment procedure to access a cell. The method further comprises performing an access barring check. The method also comprises extending a barring time autonomously. | 2012-12-06 |
20120307633 | Dynamic Frequency Allocation In Wireless Backhaul Networks - Disclosed is a wireless backhaul network for a communications system. The network comprises a congregate node connected to the communications system; a plurality of access points, each access point having associated amounts of incident bidirectional traffic to be conveyed to and from the congregate node; and a plurality of bidirectional wireless links adapted to convey the traffic between the access points and the congregate node. The congregate node is configured to allocate spectrum to each directional component of each link within a predetermined available spectrum for the conveyance of the traffic, wherein the allocation is dependent on the amounts of traffic at the respective access points. | 2012-12-06 |
20120307634 | METHOD FOR HANDLING LOCAL LINK CONGESTION AND APPARATUS - The present invention relates to the field of congestion control, and discloses a method for handling local link congestion and an apparatus. The method includes: negotiating, by a local link control entity, a local congestion notification capability with a local terminal; setting, by the local link control entity, a congestion identifier in a downlink data packet corresponding to the local congestion notification capability when a local link is congested between the local link control entity and the local terminal; and performing, by the local link control entity, congestion control on the local link, or performing, by the local terminal, congestion control on the local link according to the congestion identifier. The apparatus includes a local link control entity and a terminal device. | 2012-12-06 |
20120307635 | WIRELESS OPTIMIZED CONTENT DELIVERY NETWORK - A content delivery network of a communication system comprises a memory configured to store at least one secondary object for each of at least a subset of a plurality of primary objects accessible via a wireless network of the system. An associated processing device of the content delivery network is configured to receive a request from a user device for delivery of content comprising at least a given one of the primary objects, to select a particular object from the given primary object and its one or more corresponding secondary objects based on network congestion measurement information obtained for the wireless network, and to provide the selected particular object to the user device via the wireless network. A plurality of different secondary objects may be stored for the given primary object with each such primary or secondary object having a different level of resource requirements for delivery over the wireless network. | 2012-12-06 |
20120307636 | METHOD AND APPARATUS FOR CONTROLLING STREAM TO RECEIVE DATA IN PARALLEL - Provided are a method and an apparatus for controlling streams to receive data in parallel. The method includes receiving data in parallel using a plurality of connected streams, calculating a network congestion rate using a change in a transmission speed of data received through each of the plurality of streams, adjusting a number of connections of the plurality of streams based on the calculated network congestion rate, and receiving the data in parallel using the adjusted number of streams. | 2012-12-06 |
20120307637 | Method and System for Network Communications Via a Configurable Multi-Use Ethernet PHY - Aspects of a method and system for network communications via a configurable multi-use Ethernet PHY are provided. In this regard, an Ethernet PHY may be configured based on characteristics of a network link over which the Ethernet PHY communicates, energy efficiency considerations, etc. In one embodiment a first Ethernet PHY, a first MAC, a second Ethernet PHY, and a second MAC can be integrated within a network device. Data can be received by the second Ethernet PHY, buffered in a queue, and transmitted by the first Ethernet PHY, where the second Ethernet PHY receives the data at a rate that may be different than the rate at which the first Ethernet PHY transmits the data. In some instances, the second Ethernet PHY may be operable to request that a link partner pause or slow down transmission of data based on a status of the queue. | 2012-12-06 |
20120307638 | BACKWARD CONGESTION NOTIFICATION - In one embodiment, an apparatus comprises a network interface system having at least one input port configured for receiving frames and a logic system comprising at least one logic device. The logic system may be configured to perform the following functions: determining a source address and a destination address of a frame received at an ingress port; calculating a flow hash based at least upon the source address and the destination address; forming a congestion management (“CM”) tag that includes the flow hash; inserting the CM tag in the frame; and forwarding the frame to the destination address. | 2012-12-06 |
20120307639 | Method and Device for Data Processing in a Network - A method and a device for data processing in a network is provided, wherein a centralized network component adjusts a coordinated multipoint transmission of cells of the network based on information provided by the network and/or by said cells. Furthermore, a communication system is suggested including said device. | 2012-12-06 |
20120307640 | SYSTEM FOR MANAGING THE SIZE OF A HARDWARE ROUTING TABLE - A system and method for managing a hardware routing table comprising monitoring usage of entries in said routing table and deleting entries based on usage criteria so as to generally keep the number of entries within a size limit, thereby conserving power. | 2012-12-06 |
20120307641 | Dynamic Flow Segregation for Optimal Load Balancing Among Ports in an Etherchannel Group - Dynamic load balancing techniques among ports of a network device are provided. At a device configured to forward packets in a network, a plurality of queues are generated, each associated with a corresponding one of a plurality of output ports of the device and from which packets are to be output from the device into the network. When the number of packets in the at least one queue exceeds a threshold, for new packets that are to be enqueued to the at least one queue, packets are enqueued to a plurality of sub-queues such that packets are assigned to different ones of the plurality of sub-queues. Each of the plurality of sub-queues is associated with a corresponding one of the plurality of output ports. Packets of the plurality of sub-queues are output from corresponding ones of the plurality of output ports. | 2012-12-06 |
20120307642 | AUTONOMOUS SELF-DISRUPTING NETWORK ELEMENT - A method, apparatus, and machine readable storage medium is disclosed for establishing a test protocol processor which identifies and removes predetermined messages from a network element port buffer. Subsequent to removal the test protocol processor may perform one or more of several actions according to the results of statistical calculations. These actions include allowing the message to drop, replacing the message after a delay, replacing the message after altering the payload of the message, and replacing the message after altering the message type. The disclosed autonomous self disrupting network element is particularly useful for providing a means to perform in situ field testing of network performance indicators under desired statistical conditions. | 2012-12-06 |
20120307643 | FIELD DEPLOYABLE MESSAGE COMPROMISER - A method and apparatus are disclosed for establishing a field deployable message compromiser which is connected between two network elements and identifies and removes predetermined messages from an incoming message stream. Subsequent to removal the test protocol processor may perform one or more of several actions according to the results of statistical calculations. These actions include allowing the message to drop, replacing the message after a delay, replacing the message after altering the payload of the message, and replacing the message after altering the message type. The disclosed field deployable message compromiser is particularly useful for providing a means to perform in situ field testing of network performance indicators under desired statistical conditions. | 2012-12-06 |
20120307644 | SYSTEM AND METHOD FOR LINK PROTECTION USING SHARED SRLG ASSOCIATION - In one embodiment, certain SRLGs associated with members of a bundle are deemed to be “risk-free SRLGs”, i.e., SRLGs whose failure may not substantially impact the capacity of the bundle to carry traffic in a computer network. In a bandwidth unaware embodiment a number of active members of the bundle is identified for each SRLG, and a bandwidth aware embodiment further specifies an available bandwidth capacity for each SRLG to determine risk-free SRLGs. A backup path or tunnel may be established and utilized to protect a communication link as long as the SRLGs shared are deemed to be risk-free SRLGs. | 2012-12-06 |
20120307645 | SELECTING WIRELESS ACCESS POINTS FOR GEOFENCE MONITORING - Methods, program products, and systems for monitoring geofence exits using wireless access points are disclosed. In general, in one aspect, the mobile device can select, from multiple wireless access points, one or more wireless access points for monitoring a geofence. Selecting the one or more wireless access points can include determining multiple geographic regions corresponding to the geofence. The mobile device can select the one or more wireless access points based on a maximum total number of wireless access points to be selected and an access point allowance for each of the geographic regions. The access point allowance can indicate a maximum number of wireless access points to be selected for the geographic region. The mobile device can detect a potential entry or exit of the geofence by monitoring the selected one or more wireless access points using a wireless processor. | 2012-12-06 |
20120307646 | Sensor having an integrated Zigbee.RTM. device for communication with Zigbee.RTM. enabled appliances to control and monitor Zigbee.RTM. enabled appliances - A sensor device integrates ZigBee® technology into power switch device to provide monitoring and control of power usage, as well as operational control of connected devices. The sensor device uses a power line communication (PLC) network to transfer collected data and to provide remote control capability to connected appliances. The sensor device, in conjunction with a master switch device, a communication enabled switching device, and the power switch device, provides an integrated home environment for communication, streaming media, monitoring, and remote control of power usage, as well as remote operational monitoring and control of connected appliances in the home. | 2012-12-06 |
20120307647 | ADAPTIVE SIGNALING FOR NETWORK PERFORMANCE MEASUREMENT, ACCESS, AND CONTROL - Systems and methods are provided for initiation, use, access, and control of functionality of a network. In one aspect, the systems and methods can be utilized to generate information defining signaling or control performance and operational characteristics associated with the functionality in a variety of network environments. In another aspect, based on such information, adaptive signaling can be utilized to monitor, analyze and detect specific signaling signatures associated with the functionality. Managing signaling or control messages in response to information collected by monitoring and analyzing the adaptive signaling permits originating or requesting the functionality without conventional operation of a network component. | 2012-12-06 |
20120307648 | USER DEVICE, BASE STATION, AND METHOD FOR MOBILE COMMUNICATION SYSTEMS - A user device includes a RI generating unit that generates a rank indicator based on a channel condition of a downlink, and a transmitting unit that transmits an uplink signal including the rank indicator to a base station. When the rank indicator is reported to the base station prior to category information of the user device being reported, the RI generating unit generates the rank indicator of a number of bits that has already been known to the user device and the base station. | 2012-12-06 |
20120307649 | CHANNEL STATUS INFORMATION FEEDBACK APPARATUS AND METHOD FOR SAME, BASE STATION, AND TRANSMISSION METHOD OF SAID BASE STATION - A method and wireless communication system using a multi-input multi-output (MIMO) antenna generate vectors and feedback channel status information. | 2012-12-06 |
20120307650 | MULTIPLEX SYSTEM - At least one of components of a multiplex system can detect a failure by itself. An output of the multiplex system is determined from outputs of the components and a failure detection notification. Thus, a multiplex system having higher reliability is provided. A multiplex system | 2012-12-06 |
20120307651 | PROTOCOL FREE TESTING OF A FABRIC SWITCH - A switch fabric for a modular router may be tested without connecting the switch fabric portion of the router to the other modular portions of the router. The switch fabric may generate test data units and insert the test data units into one or more elements of the switch fabric. The switch fabric may operate with the inserted test data units. A control component may receive data units from the switch fabric after operation of the switch fabric and analyze the received data units to determine whether the received data units correspond to the inserted test data units. | 2012-12-06 |
20120307652 | LIGHTWEIGHT STORING MODE FOR CONSTRAINED COMPUTER NETWORKS - In one embodiment, a management device, such as a root node, monitors Internet Protocol (IP) overhead (e.g., IP header sizes during source-routing or route table sizes) within a directed acyclic graph (DAG) in a computer network. If it is determined that the IP overhead is above a configured threshold, then in response, a trigger is initiated to have devices within the DAG label-switch downward traffic directed away from the root node within the DAG. In another embodiment, a device communicating within a DAG stores IP routes corresponding to upward traffic from the device directed toward a root of the DAG, and IP-routes upward traffic based on the IP routes. Conversely, the device also stores labels corresponding to downward traffic from the device directed away from the root of the DAG, and label-switches downward traffic based on the labels, accordingly. | 2012-12-06 |
20120307653 | REACHABILITY RATE COMPUTATION WITHOUT LINK LAYER ACKNOWLEDGMENTS - In one embodiment, a device in a computer network receives a particular packet associated with a transmission attempts value, the associated transmission attempts value indicative of a first number of times a transmitter has attempted to transmit the particular packet. In response, the device increases by one a stored successful attempts value stored at the device, the stored successful attempts value indicative of a second number of times the device has received the same particular packet. As such, a reachability rate of a link from the transmitter to the device may be determined based on comparing the associated transmission attempts value to the stored successful attempts value. | 2012-12-06 |
20120307654 | Bandwidth Estimation Based on Statistical Measures - Some embodiments provide a method for estimating bandwidth estimate based on a set of statistical measurements that quantifies bandwidth variation. The method receives a piece of media content at a receiving device and computes several instantaneous bandwidth measurements based on sample data blocks or media content received at the receiving device. The method computes the set of statistical measures that quantifies variation between the computed instantaneous bandwidth measurements. Based on the set of statistical measures, the method computes a revised bandwidth estimate for receiving media content at the receiving device. In some embodiments, the method uses the revised bandwidth estimate to determine an amount of media content data to buffer in order to provide an uninterrupted playback. | 2012-12-06 |
20120307655 | SYSTEM AND METHOD FOR TWO WAY PUSH NOTIFICATIONS - A system and method are described for establishing two-way push communication between a provider and a mobile device. Providers (like mobile devices) register to listen for push notifications from a specified set of users. The presence of the provider is then continually monitored to determine whether the provider is currently listening over a pre-specified port. If so, in response to receiving a push notification for the first provider from the set of one or more users, a current network location over which the provider is listening for push notifications is identified and the push notification is forwarded to the first provider. | 2012-12-06 |
20120307656 | SYSTEM AND METHOD FOR DYNAMIC ROUTING FOR PUSH NOTIFICATIONS - A system and method are described for dynamically routing push notifications to users over the most efficient network path. For example, in one embodiment, presence information associated with a device of a user is monitored. The presence information indicates whether the first device is currently connected to a wireless network and a current network location of the device. The channel quality for packets transmitted between the first device and a first gateway and between the first device and a second gateway is also monitored and is used to select between the first and second gateways when transmitting push notifications. | 2012-12-06 |