Abstract: Embodiments of a condition monitoring system and method provide an interface with visual aids that facilitate diagnosis of problems on an asset (e.g., a turbine, motor, pump, etc.). In one embodiment, the visual aids display fault data that corresponds to a fault condition such as bearing failure and/or shaft misalignment. The fault data is collected by sensors on the asset and processed by the condition monitoring system for use with the interface. In one example, the interface can include one or more icons, which represent fault conditions for the asset, and which an end user may select to display the visual aids on the interface. Selection amongst the different icons will change the visuals aid, the fault data, and other aspects of the interface to enable diagnosis and promote effective maintenance of the asset.

Abstract: The detection device comprises a sensor, a power supply, an alarm and an acousto-electric transducer. The activated acousto-electric transducer receives an acoustic signal and emits an electrical signal representative of the acoustic signal. The detection device further comprises a means of recognizing a predefined acoustic signal according to the electrical signal emitted by the transducer and triggering an emission of a message by the alarm when the predefined acoustic signal is recognized. The acoustic-electric transducer is only activated at regular intervals. Preferably, the transducer also serves an alarm to emit the message when the predefined acoustic signal is recognized.

Abstract: Provided are methodologies to properly assess and manage operational risks at operations sites, e.g., a manufacturing, production or processing facility, such as a refinery, chemical plant, fluid-catalytic-cracking units, or nuclear energy plant, or a biological or waste management facility, airport or even financial institutions, or at any facility in which operations are often accompanied by risk associated with many high-probability, low-consequence events, often resulting in near-misses. In some operations, processes are monitored by alarms, but the invention operates on either process data or alarm data. The methods are based upon measurement of one or more variables, and/or utilization and management of the concept of “hidden process near-miss(es)” to identify a change or escalation, if any, in probability of occurrence of an adverse incident. The methodologies combine a plurality of subsets (also useful independently) of dynamically calculated leading risk indicators for dynamic risk management.

Abstract: A system and method for remotely monitoring and controlling building security are provided. A controller is communicatively coupled to security devices of a building and can communicate an activity event detected by one of the security devices to a remote user device. The controller can then establish a communication session between the remote device and a security device via the controller, thereby allowing the user to communicate with any visitors. Video from a security device can be transmitted by the controller to the user device or an alternative user-device. Access instructions can be provided by the user, in response to which the controller can deactivate various building security measures. Security measures can be reactivated by the controller automatically or in response to a user command. Additionally, the controller can monitor visitor compliance with the deactivated security measures and activate alarms or notify security agencies if necessary.

Abstract: A retail security display system includes an onboard power supply and alarm system that sounds in the event a protected device is tampered with or removed from the display system. The retail security display system also includes a central communication module that manages information from a plurality of display devices and tracks the location of a protected device if it is removed from the display device.

Abstract: A powered item attachment device includes an onboard power supply and alarm system that sounds in the event a protected device is tampered with or removed from a retail display. The powered item attachment device may also track the location of a protected device if it is removed from the display device.

Abstract: An indicating system and method having a parent unit communicable with a child unit is provided. In an embodiment for the indicating system and method of the present invention, the child unit may be responsive to receiving a signal from the parent unit for communicating instructions (e.g., traffic signal based, protective based etc.) which may result in a visual, and/or audio and/or tactile indication being provided to the user of the child unit. In an embodiment of the present invention, the system may communicate instructions, praise or other information, educational or otherwise to a child unit via actuators on the parent unit or by an auto mode feature utilizing signal strength detection/proximity sensing technology. Safety enhancing features, entertainment and encouragement features may be incorporated into the system.

Abstract: A real time monitoring system of a spent fuel pool includes a detection unit configured to detect condition information using a sensor installed in the spent fuel pool; an input storage unit configured to receive and store configuration information of a spent fuel, history information related to burnup, and a normal value and a limit value of current condition information; an operation and determination unit configured to calculate the current condition information of the spent fuel by using the condition information detected by the detection unit and the configuration information and the history information stored in the input storage unit and configured to determine a risk level by comparing the current condition information with the limit value corresponding to the risk level; and a display unit configured to display the current condition information calculated by the operation and determination unit and configured to display the determined risk level.

Abstract: This present invention is that of an accurate and immediate methodology of carbon monoxide detection is accomplished by utilizing an inserted modified venturi that samples air flow exiting in the immediate vicinity of a heater source's duct system. This is completely functional in any type of heating system incorporating a duct system for forced hot air transfer throughout a circuitous closed environment. Further, upon detection of any carbon monoxide in said heating system, at the immediate source of heated air exiting, an annunciation alarm and heating system “shut down” or “fail-safe” mode will be instituted in effect. All monitoring will be under constant control by algorithms within a microcontroller circuit.

Abstract: A delayed power-on function for an electronic device is disclosed. A charging unit charges a rechargeable battery with a pre-charge current when a voltage of the rechargeable battery is less than a voltage threshold value and with a current larger than the pre-charge current when the voltage of the rechargeable battery is greater than the voltage threshold value. A disabling unit can disable power-on when the voltage of the rechargeable battery is less than the voltage threshold value. A user may also be notified when power-on is disabled.

Abstract: A system and a method for detecting and localizing abnormal conditions and electrical faults in an electrical grid are provided. A method includes receiving a notification message including a state of an electrical component on an electrical grid. The method further includes displaying, by a computing system, an alarm message indicating the state of the electrical component to a system operator responsible for the electrical component such that system operator is able to determine at least one action to take in response to the state of the electrical component.

Abstract: Fault isolation and service restoration in an electrical grid are provided. An approach for receiving a notification message including a state of an electrical component on an electrical grid, and determining, by a computing system, a command message including at least one action to take in response to the state of the electrical component, is described. The approach further includes sending the command message to at least one of the electrical component and other electrical components on the electrical grid.

Abstract: An alarm detecting method applied on a computer device is disclosed in the present invention. The method includes utilizing a G-sensor of the computer device to detect a variation of gravity acceleration, transmitting an actuating signal to a controller by the G-sensor according to the variation of the gravity acceleration, the controller reading the actuating signal and determining whether the variation of the gravity acceleration is substantially greater than a predetermined threshold value, the controller outputting a controlling signal to an audio codec when the variation of the gravity acceleration is substantially greater than the predetermined threshold value, and a speaker generating an alarm audio by the audio codec according to the controlling signal. The controller drives the speaker to generate the alarm audio when an operating system of the computer device has not started.

Abstract: An output device mounting plate can in a disclosed embodiment carry a fixedly mounted strobe unit with a displaced region to releasibly attach additional output devices. The devices can include a verbal output device, an audible output device, a visual output device, or an audible/visual output device.

Abstract: A data logging sub is mounted at the downhole end of a drill string, and a receiver, or detector is mounted at the top of the drill string at the well-head. The downhole logging sub includes a digital signal transmitter that is operatively connected to the drill string, such that it can send a series of charge pulses along the drill string. The receiver is mounted to detect changes in electrical charge on the drill string. The drill string leaks charge to the surrounding geological formation, but the time constant of the leakage is large compared to the quantity of charge of the charge pulses, and the low resistance of the drill string as compared to the resistivity of the surrounding formation. The leakage is high enough that the charge leaks off the drill string fast enough to permit a useful baud rate.

Abstract: A system and method for managing use of a downhole asset. In one embodiment, a system includes a rig interface, a tag reader, and FIG. 1 a remote datacenter. The rig interface is disposed proximate to a borehole being drilled, and configured to process information related to use and physical condition of the downhole asset while drilling the borehole. The tag reader is configured to transfer a measurement of an attribute of the downhole asset to the rig interface. The remote datacenter is disposed remote from the borehole and is configured to assess the condition of the downhole asset based on information received from the rig interface and additional information related to use of the downhole asset received by the remote datacenter over the life of the downhole asset.

Abstract: A computer-implemented method and system of providing utility service network information for a utility service network. The method includes obtaining utility service network information from a plurality of external sources, integrally combining the utility service network information obtained from each of the plurality of external sources into and displaying the utility service network information in real-time in a global positioning map to a user via a graphical user interface, selecting, via the user, specific utility service network information of the utility service network information, to be displayed, and automatically reconfiguring the system or manually reconfiguring the utility service network via the user, as needed based on the specific utility service network information selected.

Abstract: Systems, methods, and computer program products are provided for accessing information regarding one or more shipments. There is provided a computer-implemented method for accessing information regarding one or more shipments. The method includes receiving sensor information associated with the one or more shipments at a tracking center. The method also includes analyzing rules associated with a party to determine whether the party is authorized to access the received sensor information. The method further includes restricting the party from accessing the received sensor information based on the analyzed rules.

Abstract: Described herein are embodiments of methods, devices and systems of phase functionality for a meter. One aspect comprises a method of phase functionality for a meter. One embodiment of the method comprises determining a load value for each phase of a poly-phase electrical system; comparing, using a processor, the load value for each phase of a poly-phase electrical system with a respective threshold value for each phase of the poly-phase electrical system; and opening or closing one or more relays based on the comparison, wherein the one or more relays are each associated with respective phase of the poly-phase electrical system.

Abstract: A system, device and method for notifying a vehicle driver of the condition of an upcoming vehicle traffic signal is described. The system includes a transmitter; transmission circuitry operably coupled to a vehicle traffic signal controller and operably coupled to the transmitter; wherein the transmission circuitry receives information associated with vehicle traffic signal status from the vehicle traffic signal controller, and causes the transmitter to transmit a non-visual and non-audible signal including information associated with the vehicle traffic signal status; a mobile receiver unit including a receiver to receive the transmitted non-visual signal; and a communication mechanism coupled to the mobile receiver unit to communicate information associated with the vehicle traffic signal status to a driver or user.

Abstract: Power efficient, modular sensor devices utilize magnetic sensor elements, wireless data communication and sensor device level processing to detect, evaluate and classify roadway vehicles. Sensor devices are configured in a network enabling data sharing between sensor devices. Earth generated magnetic fields are monitored within the range of each sensor device with reliability and stability over a wide range of environmental conditions and sensor device placements to detect field distortions specifically caused by a variety of roadway vehicles. Multiple sensor devices configured as a network, communicating with other sensor devices and one or more substations, collect, generate, share and evaluate data to determine multiple attributes of roadway vehicle events. Analog field distortion (waveform) measurements are converted to digital format and analysis on the detected waveform to classify the waveform event as a roadway vehicle of particular type and to determine a unique signature for the waveform event.

Abstract: An in format ion providing device has: a vehicle information acquiring section 220 that acquires vehicle information of a plurality of vehicles; a charge history information acquiring section 220 that acquires charge history information about charge history of a plurality of the vehicles; a charging facility information acquiring section 220 that acquires charging facility information about a charging facility, which includes at least a position of the charging facility and a utilization status of the charging facility; a searching section 220 that searches, according to a request from a request vehicle, for a charging facility which the request vehicle can use, as an object charging facility; a vehicle determining section 220 that determines, as a specific vehicle, a vehicle that has a possibility to use the object charging facility from among vehicles except the request vehicle; a utilization possibility predicting section 220 that predicts, as a utilization possibility, a possibility for the specific vehic

Abstract: A cantilevered push button adapted for accepting an input on an electrical or electronic device is disclosed. The button can include an elongated button top component disposed about an exterior surface of an electrical or electronic device such that it is accessible to a user, and having two opposing distal ends associated with separate user inputs. A first fulcrum is located between the first distal end and the midpoint of the elongated button top component, while a second fulcrum is located between the second distal end and the midpoint. A first electrical contact is associated with the first distal end, such that when a user presses on the first distal end, the elongated button top component pivots about the second fulcrum and the first electrical contact is actuated. A second electrical contact is similarly associated with the second distal end and first fulcrum.

Abstract: Touch sensitive mechanical keyboards and processes for detecting touch events and key depressions on the touch sensitive mechanical keyboard are provided. The touch sensitive mechanical keyboard can include a set of individually depressible mechanical keys having a touch sensitive area located on their surface. A touch sensor can be included to detect touch events on the surface of the mechanical keys. A keypad can also be included to detect a depression of the mechanical keys. The touch sensitive mechanical keyboard can further include a processor for distinguishing detected touch events from detected key depressions. The processor can generate either a key depression command or a touch event command.

Abstract: Touch sensitive mechanical keyboards for detecting touch events and key depressions on the keyboard are provided. The keyboard can include a set of individually depressible mechanical keys having a touch sensitive area located on their surface. A touch sensor can be included to detect touch events on the surface of the keys. A keypad can also be included to detect a depression of the mechanical keys. One or more of the depressible mechanical keys can be multi-purpose keys capable of being depressed to multiple levels. The touch sensitive mechanical keyboard can receive key depression input, touch event input, or combinations thereof at the same time. The touch sensitive mechanical keyboard can further include a processor for distinguishing detected touch events from detected key depressions. The processor can generate a key depression command or a touch event command in response to the detected touch events and key depressions.

Abstract: A method for decoding encoded data includes receiving data encoded by replacing each of a plurality of characters with bit strings. The method also includes recording, on the basis of definition information, at least one of the characters as corresponding to each of the bit lengths, and generating decode information based on the number of characters, wherein the decode information includes bit string information for sorting the bit strings in a bit length order that is a predetermined order associated with bit lengths. The method also includes, in response to receiving a particular bit length, generating character information in which the characters are sorted in the bit length order by inserting a character corresponding to the particular bit length into a position corresponding to the particular bit length in an array in which at least one of the bit lengths.

Abstract: Provided are methods and computer program products for providing a circular buffer of values representing performance data that corresponds to a network application on a network device. Methods may include compressing a binary representation of a value using bit-oriented compression that is biased based on a frequency of occurrence of values and/or value ranges, and appending the compressed binary representation to a circular buffer. The bit-oriented compressed may be biased such that values and/or value ranges that occur with a higher degree of frequency are compressed to a higher degree, while values and/or value ranges that occur with a lower degree of frequency are compressed to a lower degree.

Abstract: In higher order sigma-delta modulators (SDMs), there are oftentimes errors introduced by the digital-to-analog (DAC) switches. Namely, parasitic capacitances associated with switches can introduce second harmonic spurs. Here, however, compensation circuits and buffers are provided. The buffers bias the switches in saturation, and the compensation circuits provide a “ground boost” for the buffers. The combination of the buffer and compensation circuit reduces the second harmonic spur, while also improving the Signal-to-Noise Ratio (SNR) and Signal-to-Noise-plus-Distortion Ratio (SNDR).

Abstract: A recording circuit is provided. The recording circuit includes a multiplexing circuit configured to receive a plurality of input signals and to produce a multiplexed output signal including the plurality of input signals, and a plurality of sampling circuits electrically coupled in parallel to each other, each sampling circuit being configured to sample a portion of the multiplexed output signal corresponding to an input signal of the plurality of input signals and the sampling circuits configured to alternately produce an output signal corresponding to the sampled portion.

Abstract: A method and corresponding apparatus are provided. In operation, an analog signal is integrated with an integrator to generate an integrated analog signal. The integrated analog signal is compared, in synchronization with a first clock signal and a second clock signal, to a reference voltage with a plurality of comparators to generate a comparator output signal. A feedback current is then generated, in synchronization with the second clock signal, from the comparator output signal. The feedback current is fed back to at least one of the comparators, and the comparator output signal is latched in synchronization with the first clock signal to generate a latched output signal. This latched output signal is converted to a feedback analog signal, and a difference between the analog signal and the feedback analog signal is determined.

Abstract: The present disclosure provides techniques for using an NMOS field effect transistor-based buffer to buffer a pair of complementary digital signals and output a pair of equivalently fast rising and fast falling complementary signals to simultaneously drive a differential pair of PMOS transistors of a unit cell that output an analog signal for a current steering DAC. Accordingly, a DAC comprises a latch circuit and a unit cell circuit. The latch circuit includes an NMOS field effect transistor-based buffer and is capable of receiving a first digital signal and a clock signal and outputting a second digital signal through the NMOS field effect transistor-based buffer according to the clock signal. The second digital signal is associated with the first digital signal. The unit cell circuit, coupled to the latch circuit, receives the second digital signal and outputs an analog signal representative of the first digital signal.

Abstract: Digital input words are received in parallel by a parallel digital-to-digital sigma-delta modulator. Error words corresponding to quantization error are added in parallel to the input words to form encoded data words. The encoded data words are quantized into parallel output words and the error words resulting from such quantization are distributed across parallel modulator stages to effect a predetermined quantization error spectral distribution. The quantized output words are output in parallel.

Abstract: A digital-to-analog converter and a performing method thereof are disclosed. The digital-to-analog converter includes a random rotation unit, a plurality of conversion units, and a summing unit. The random rotation unit receives a plurality of binary-weighted inputs and generates a plurality of rotated digital outputs according to a random rotation number. The conversion units respectively receive one of the rotated digital outputs and generate a respective analog output. The summing unit sums the respective analog outputs of the conversion units for generating an analog output. The present invention implements the dynamic element matching technique by randomly rotating the binary-weighted inputs, so as to reduce the manufacturing cost of the digital-to-analog converter.

Abstract: In an A/D conversion circuit and an imaging device, an upper counter acquires a first upper count value by performing counting using one output signal, which constitutes a first lower phase signal output from a delay circuit, as a count clock. After values of bits constituting the first upper count value are inverted, the upper counter acquires a second upper count value by performing counting using one output signal, which constitutes a second lower phase signal output from the delay circuit, as a count clock, and further performing counting based on an upper count clock output from a lower counter. A modification unit modifies a logic state of a count clock to a predetermined state when the count clock of the upper counter is switched.

Abstract: The present invention relates to a microwave absorbing composition comprising: a) magnetic nanoparticles, dispersed in b) a polymer matrix comprising at least one highly branched polymer comprising nitrogen atoms, a method for the production of such a microwave absorbing composition and the use thereof.

Abstract: The invention relates to a driver assistance device (2) for a vehicle (1), having a radar apparatus (3, 4) for detecting objects which are external to the vehicle, which radar apparatus (3, 4) has an antenna unit (14) for irradiating and/or receiving electromagnetic waves (S0, SE) and a damping element (24, 25, 26) which is coupled to the antenna unit (14) and has the purpose of directing and damping the electromagnetic waves (S0, SE), by means of which damping element (24, 25, 26) the antenna unit (14) can be coupled to a transmitter and/or receiver device (16, 17) of the radar apparatus (3, 4), wherein the damping element (24, 25, 26) has a branching unit (31) with a first line branch (32) for directing the damped electromagnetic waves (S0, SE) between the transmitter and/or receiver device (16, 17), on the one hand and the antenna unit (14) on the other, as well as a second line branch (33) which is coupled to the first line branch (32) and is terminated with a reflection-free terminating element (35, 37).

Abstract: A method for measuring a fill level of a fill substance in a container, in which, in an empty container, at least a part of the microwave signals transmitted into the container is reflected back via a reflection on a floor of the container. Microwave signals are transmitted into the container and their fractions reflected back to the fill-level measuring device. These are received as received signals. Echo functions are derived, which show amplitudes of the received signals as a function of a position corresponding to their travel time traveled in the container. A container floor echo is detected at a position, which lies in an earlier determined, both sides limited, empty echo position range, in which the container floor echo occurs in the case of empty container, at an empty echo position dependent on a shape of the container and an installed position of the fill-level measuring device.

Abstract: A radar device has a transmitter having a field of view for transmitting a transmit signal and a receiver for receiving a received signal from the field of view of the transmitter. The transmit signal comprising first and second polarization components and multiple frequencies. There is a signal processor programmed to: detect received signal components comprising first and second polarization components and fundamental and harmonic frequencies corresponding to the first and second polarization components and multiple frequencies in the received signal; compare the received signal components to characterize the received signal and identify a remote device as a linear conductor or a non-linear conductor based on predetermined criteria; and generate a notification signal corresponding to the remote device when the remote device is identified.

Abstract: The present invention relates to systems, methods, and machines for tracking a fluid spill. The method includes obtaining real-time location data for a number of tracking devices from a positioning satellite data repository, integrating the location data of each of the tracking devices into a comprehensive spatial data repository, determining a deployment location for each of the tracking devices, identifying, responsive to the deployment locations, a fluid-spill subset of the tracking devices that were deployed in the fluid spill, determining a fluid spill location based on the geographic locations of the fluid-spill subset, and generating a geographic map depicting the fluid spill location. A new sensor-driven paradigm is used that combines practical data gathering methods with advanced enterprise information technologies.

Abstract: Systems and methods are described for determining position of a receiver. The positioning system comprises a transmitter network including transmitters that broadcast positioning signals. The positioning system comprises a remote receiver that acquires and tracks the positioning signals and/or satellite signals. The satellite signals are signals of a satellite-based positioning system. A first mode of the remote receiver uses terminal-based positioning in which the remote receiver computes a position using the positioning signals and/or the satellite signals. The positioning system comprises a server coupled to the remote receiver. A second operating mode of the remote receiver comprises network-based positioning in which the server computes a position of the remote receiver from the positioning signals and/or satellite signals, where the remote receiver receives and transfers to the server the positioning signals and/or satellite signals.

Abstract: Embodiments describe determining position by selecting a set of digital pseudorandom sequences. The magnitudes of the cross-correlation between any two sequences of the chosen set are below a specified threshold. A subset of digital pseudorandom sequences are selected from the set such that the magnitudes of the autocorrelation function of each member of the subset, within a specified region adjacent to the peak of the autocorrelation function, are equal to or less than a prescribed value. Each transmitter transmits a positioning signal, and at least a portion of the positioning signal is modulated with at least one member of the subset. At least two transmitters of the plurality of transmitters modulate respective positioning signals with different members of the subset of digital pseudorandom sequences.

Abstract: A system and method for effectively performing enhanced device location procedures to determine the current physical location of a mobile device includes a plurality of satellites that wirelessly transmit satellite beacon signals, a plurality of base stations that wirelessly transmit pilot signals, and a plurality of access points that wirelessly transmit access-point beacon signals. A location detector of the mobile device coordinates a device location procedure by measuring the satellite beacon signals, the pilot signals, and the access-point beacon signals to generate corresponding satellite information, base station information, and access point information. The location detector analyzes the satellite information, the base station information, and the access point information to select an optimal system configuration from the most effective satellites, base stations, and access points.

Abstract: The present invention relates to devices and methods for tracking movement in a marine environment. At least one tracking device that is adapted to be deployed on a surface of the water, wherein the tracking device is capable of moving along the same trajectory of a desired object. Data from the tracking devices are received by at least one satellite, transmitted to a database, and used to determine the forecasted trajectory of the desired object. All data collected from deployed tracking devices may be integrated into a spatial data repository for analysis and reporting using GIS and associated information technologies, thereby allowing for more accurate decision-making and asset deployment during a fluid spill or similar marine contamination event. The present invention also allows for the collection and modeling of accurate localized sea current data, which may assist with marine and coastal engineering works such as shoreline protection and port dredging.

Abstract: A frequency calibration method and a satellite positioning system utilizing the frequency calibration method are disclosed. The frequency calibration method includes the following steps: detecting a plurality of chip state parameters; and determining a frequency drift and a frequency variation of a target signal according to the detected chip state parameters.

Abstract: A phased array antenna system includes a first radiation element that is made of a material and has a length selected to resonate at a desired frequency. A phase-shift element is coupled to one end of the first radiation element. A second radiation element is coupled to the end of the phase-shift element opposite the first radiation element, so that a radio signal passes through the first radiation element through the phase-shift element and through the second radiation element, the second radiation element is made of a material and has a length selected to resonate such that the first and second radiation elements cooperate to form a desired beam pattern from the antenna system.

Abstract: A position location system comprises transmitters that broadcast positioning signals. Each broadcasted positioning signal comprises a pseudorandom ranging signal. The position location system includes a remote receiver that acquires and measures the time of arrival of the positioning signals received at the remote receiver. During an interval of time, at least two positioning signals are transmitted concurrently by the transmitters and received concurrently at the remote receiver. The two positioning signals have carrier frequencies offset from one another by an offset that is less than approximately twenty-five percent of the bandwidth of each positioning signal of the two positioning signals. Cross-interference between the positioning signals is reduced by tuning the remote receiver to a frequency of a selected signal of the two positioning signals and correlating the selected signal with a reference pseudorandom ranging signal matched to a transmitted pseudorandom ranging signal of the selected signal.

Abstract: A position location system comprises transmitters that broadcast positioning signals. Each broadcasted positioning signal comprises a pseudorandom ranging signal. The position location system includes a remote receiver that acquires and measures the time of arrival of the positioning signals received at the remote receiver. During an interval of time, at least two positioning signals are transmitted concurrently by the transmitters and received concurrently at the remote receiver. The two positioning signals have carrier frequencies offset from one another by an offset that is less than approximately twenty-five percent of the bandwidth of each positioning signal of the two positioning signals. Cross-interference between the positioning signals is reduced by tuning the remote receiver to a frequency of a selected signal of the two positioning signals and correlating the selected signal with a reference pseudorandom ranging signal matched to a transmitted pseudorandom ranging signal of the selected signal.

Abstract: Embodiments related to determining a current geographic location of a computing device are provided. For example, one disclosed embodiment provides a method including compiling and storing on the computing device a list of positioning signals each associated with a geographic location, detecting one or more currently available positioning signals, comparing the one or more currently available positioning signals to the list of positioning signals, and if one or more currently available positioning signals matches one or more matching positioning signals stored in the list, then determining the current geographic location based upon the one or more matching stored positioning signals.

Abstract: Systems and methods which utilize a symmetrical partially coupled microstrip slot feed patch antenna element configuration to provide highly decoupled dual-polarized wideband patch antenna elements are shown. Embodiments provide a microstrip slot feed configuration in which a slot of a first signal feed is centered with respect to the patch and further provide a microstrip slot feed configuration in which slots of a second signal feed are symmetrically disposed with respect to the center of the patch and at positions near the edges of the patch. The microstrip feed utilized in communicating signals with respect to the slots of the second signal feed is adapted to provide signals of substantially equal amplitude and 180° out of phase with respect to each other according to embodiments. The second signal feed configuration utilized according to embodiments provides partial coupling between the patch and the second signal feed.

Abstract: Provided is a multiband printed antenna for receiving and emitting multiple electromagnetic wave signals of different bands. The multiband printed antenna includes a substrate and a conductive layer formed on a positive surface of the substrate. The conductive layer includes a grounding portion, a plurality of radiating portions controlling different bands and a single feeder point used to transmit electromagnetic wave signals. The multiband printed antenna of the present invention can separately control multiple radiating portions, which have different bands and are together formed on one same substrate, to emit the electromagnetic wave signals at one same feeder point, thereby realizing the object of the single printed antenna controlling multiple bands and greatly reducing the manufacture cost to satisfy the demand of 4G communication industry.