Abstract: Methods and systems to redirect the audible and visible signals from alarms on a portable safety device. A cover (10) cooperates with a portable safety device (50) to define a sound chamber (12) that amplifies audible warning signals. A visual alarm guide (14) also is provided. A calibration adapter (500) affords quick and simple bump testing and calibration of the portable safety device.

Abstract: This disclosure provides systems, methods and apparatus for processing, transmitting and displaying data received from an analyte sensor, such as a glucose sensor. The system may include a display device with at least one input device. In response to movement of or along the input device, the display device may change a glucose data output parameter and update an output of the display device using the changed output parameter.

Abstract: This disclosure provides systems, methods and apparatus for processing, transmitting and displaying data received from an analyte sensor, such as a glucose sensor. The system may include a display device with at least one input device. In response to movement of or along the input device, the display device may change a glucose data output parameter and update an output of the display device using the changed output parameter.

Abstract: A spinning display system includes a housing, a first blade assembly, a second blade assembly, at least one support arm extending radially outward from the housing, and a display panel coupled to the distal end of each support arm. The housing supports a motor and electronics, and the motor includes a motor shaft. The first blade assembly is coupled to the motor shaft. The second blade assembly is coupled to the housing. The motor is configured to spin the first blade assembly in a first direction about a longitudinal axis of the housing and spin the second blade assembly, the at least one support arm and the display panels in an opposite direction about the longitudinal axis of the housing. The display panel is configured to display a user-selected message while the display panel is spinning. Neither the first nor the second blade assembly is attached to the display panel.

Abstract: A method is provided for transmitting data in a resource recovery operation featuring a borehole extending through a geologic formation, an uphole communications control center, and a downhole tool string, a method for transmitting data. The method includes (a) providing a first transceiver which is disposed in an uphole location, and a second transceiver which is in communication with the first transceiver and which is disposed in a downhole location; and (b) transmitting a signal from one of the first and second transceivers to the other of the first and second transceivers, wherein the transmitted signal encodes data using a modified alternating mark (AMI) system in conjunction with balanced line coding.

Abstract: A gauge assembly that is utilized for wired-pipe telemetry, has been developed where the gauge assembly includes: a trigger, a push rod, wherein the rod is operatively coupled with the trigger, a bearing housing assembly, wherein the bearing housing assembly is operatively coupled with the push rod, an indicator, wherein the indicator is operatively coupled with the push rod, a base plate assembly, and a sensor device, stylus or combination thereof that is both operatively coupled with the push rod and the indicator. Methods of use are also disclosed.

Abstract: A system and method directed to attachment free monitoring of a subject's respiration, heartbeat, and motion. In one embodiment, the monitoring system is comprised of a monitoring pad, a base station, and a monitoring display device such as a smart phone or web interface. In another embodiment, the components of the system are communicatively coupled through wireless means. In yet another embodiment, the monitoring system additionally comprises a visual monitoring device. The monitoring pad provides the signal that is filtered to isolate various components representing the subject's motion, respiration, and heartbeat. The system may be programmed to provide alerts and subject stimulation based on various trigger points tied to thresholds in the measurements.

Abstract: A circuit arrangement for use in a utility meter includes a processing circuit, a magnetically-actuated switch, and a first circuit. The processing circuit has a first mode and a second mode. The processing circuit performs a first set of metering operations related to energy metering in the first mode, and a second set of operations in the second mode or sleep mode. The second set of operations has fewer operations than the first set of operation, and requires less energy. The switch has is coupled to provide a first output signal to the processing circuit. The first circuit is configured to generate a pulse signal responsive to the switch transitioning states, and is operably coupled to provide the pulse signal to the processing circuit. The processing circuit causes display of stored values responsive to receiving the pulse and receiving the first output signal.

Abstract: Provided herein is an apparatus for converting a wired sensor system to a wireless sensor system. The apparatus can comprise a relay station comprising at least one antenna and at least one radio. The relay station can be adaptable to be integrated as at least one application specific integrated circuit and further adaptable to convert a wired sensor system into a wireless sensor system. Further provided are systems for converting wired sensor systems into wireless sensor systems and methods of use.

Abstract: The system of the present invention is a highly integrated radio communication system with a multimedia co-processor which allows true two-way multimedia (video, audio, data) access as well as real-time biomedical monitoring in a pager-sized portable access unit. The system is integrated in a network structure including one or more general purpose nodes for providing a wireless-to-wired interface. The network architecture allows video, audio and data (including biomedical data) streams to be connected directly to external users and devices. The portable access units may also be mated to various non-personal devices such as cameras or environmental sensors for providing a method for setting up wireless sensor nets from which reported data may be accessed through the portable access unit. The reported data may alternatively be automatically logged at a remote computer for access and viewing through a portable access unit, including the user's own.

Abstract: An ad hoc network may be established between vehicles using a wireless connection. The wireless network may be used for sending and receiving information about road conditions, such as average speed, a location and configuration of a road obstruction, images of an accident scene, and a traffic flow plan. The wireless network may also be used for communicating with emergency response vehicles in order to enable faster and more effective responses to accidents.

Abstract: Disclosed herein is a traveler information monitoring and dissemination system. The system disclosed herein provides real time information to a traveler, wherein the real time information may be pre-selected by the traveler. The system ensures consistent and quality data are produced and issued to the traveler.

Abstract: An illuminated, inflatable mast assembly positioned at a site and deployed for warning on-coming drivers of vehicles of the location of the site.

Abstract: A runway digital wind indicator system senses wind conditions at multiple locations, aggregates this data, and communicates up-to-date, usable information to pilots. Meteorological information, including wind speed, direction, and change (i.e., gustiness) plus temperature, humidity, barometer, wind shear, etc., can be sensed by three or more sensor pods placed along a runway (at least one at each end and another in the middle of a given runway). Data from these pods is then transferred to a computer receiver that processes the information into a real-time, concise, readable format that can be displayed to air traffic control, sent to runway digital display signs placed in proximity to runways for direct pilot reference, and/or posted to websites/internet locations that can then be used to wirelessly relay the information to any of a plethora of digital devices that can be accessed directly by a pilot.

Abstract: Methods and apparatus for compression of generalized sensor data are described. One example method for use in compression of generalized sensor data at a first location for transmission to a second location includes analyzing the sensor data to identify high interest data and low interest data, and compressing the high interest data with a lossless compression algorithm.

Abstract: A delay locked loop (DLL) includes a delay line that delays a clock signal to generate a delayed clock signal, a phase frequency detector (PFD) for detecting a phase and/or frequency difference between the clock signal and the delayed clock signal, and a charge pump having an adjustable bias current for converting the phase and/or frequency difference taking into account a bias current adjustment into a control voltage, in which the control voltage controls an amount of delay in the delayed clock signal.

Abstract: According to various embodiments, a system, an apparatus and a method are presented that relate to determining and correcting signal imbalances between output samples of an analog-to-digital (A-D) converter array (that may be implemented as part of a wideband ADC). A statistic module and correction module are associated with the A-D converter array. The statistic module is configured to receive digital samples from the plurality of A-D converters, and generate a statistical sample value for each A-D converter using a set of digital samples received therefrom. The correction module is configured to, for at least one of the plurality of A-D converters, determine an offset value by comparing the statistical sample value for the at least one of the plurality of A-D converters with a reference value, and apply the offset value to a digital sample from that at least one A-D converter to generate a corrected digital sample.

Abstract: In AD conversion of a voltage, data continuity is ensured between the results of conversion after amplification and of direct conversion without amplification. In AD conversion operation, an analog signal output from a DA converter circuit is directly converted by an AD converter circuit, and the analog signal is converted after amplification with an expected gain of 2?. Based on resultant data, a gain of an amplifier circuit and an offset thereof are calculated. An analog signal to be enhanced in bit precision is amplified by the amplifier circuit and converted by the AD converter circuit, the offset is subtracted from the resultant conversion, and the result is multiplied by a ratio of the expected gain to the calculated gain to cancel gain error. Based on data with gain error canceled, acquisition of bit-extended conversion result data is performed to ensure continuity between data having different degrees of bit precision.

Abstract: A dynamic dithering method is provided for improving linearity in analog-to-digital converters.

Abstract: Embodiments may comprise logic such as hardware and/or code for high-speed digital-to-analog conversion of signals. Many embodiments comprise a demultiplexer to distribute sets of bits to digital-to-analog converters, the digital-to-analog converters to receive the sets of bits and the operate concurrently to convert the sets of bits from digital representations of signal segments to output analog signal segments, and an interleaver to interleave the analog signal segments from each of digital-to-analog converters in the sequence to generate an analog signal. In many embodiments, the interleaver is adapted to interleave the analog signal segments by latching magnitudes of each of the analog signal segments to an interleaved output near ends of clock cycles to attenuate non-linearities in the magnitudes of each of the analog signal segments when the magnitudes are output.

Abstract: One embodiment of the present disclosure relates to a circuit. The circuit includes a digital to analog converter (DAC) configured to convert a time-varying, multi-bit digital value to a corresponding time-varying output current. The circuit also includes a mixer module downstream of the DAC and comprising a plurality of mixers. A control block is configured to selectively steer output current from the DAC to different mixers of the mixer module. Other techniques are also described.

Abstract: Logic such as hardware and/or code for high-speed analog-to-digital conversion of a signal. Logic may receive an analog signal as an input to a sampling receiver. The sampling receiver may implement a successive approximation register (SAR), analog-to-digital converter (ADC) to produce the digital output. Logic may re-task a comparator of the SAR ADC during a sampling mode to generate a digital comparator output that represents a comparison of a voltage of the charge on a capacitance of the DAC against a threshold reference voltage. The digital comparator output may be applied to the input of automatic gain control (AGC) logic. The AGC logic may receive the digital comparator signal which is representative of one sample of a multiple sample, sample cycle, allowing the AGC logic to generate a gain control signal that is responsive to both total composite average and peak amplitudes.

Abstract: According to some embodiments, a system is provided for simulating a cluster of reflections. The system includes an array of antenna elements distributed in space over a solid angle having an angular spread. The solid angle is substantially less than a full sphere and each antenna element has a spatial orientation. The system also includes a spatial environment simulator connected to the antenna elements and configured to apply one of excitations to the antenna elements and weights to signals from the antenna elements. The combination of the spatial distribution of the antenna elements, the orientation of the antenna elements, and the weighting applied by the variable path simulator simulates a near field arising from a cluster of reflections of a multipath environment.

Abstract: A level measuring device with a signal generator for electromagnetic waves includes an elongated hollow waveguide or for guiding the generated electromagnetic waves, wherein on the end of the hollow waveguide a reflector is situated and a method for operating the same.

Abstract: Disclosed are an apparatus and a method for analyzing propagation of an electromagnetic wave by effectively using a ray tracing scheme in a radio wave system, in which; an electromagnetic wave scattered in an electromagnetic wave incident to an interface in a service area is detected; average scattering power for the interface is calculated by the scattered electromagnetic wave; the propagation of the electromagnetic wave in the service area is analyzed based on the average scattering power.

Abstract: A radar includes an antennal structure, with means for transmitting an impulse signal in a band centered on F1 according to a repetition period centered on a recurrence period Tr1 and pulse width T1, with means for receiving signals by the antenna in frequency band ?F, with a unit for processing the signals received on a set of N distance bins. The signals received are transmitted by another radar in a frequency band centered on F2 where F2?F1??F, according to a repetition period centered on a period Tr2 and pulse width T2. The signals transmitted by the two radars are asynchronous. The method comprises: slaving frequency F1 to frequency F2, by measuring the power received integrated over the N distance bins and over several recurrences, determination of period Tr2 and T2 and slaving the period centered on Tr1 to a period centered on Tr2 with Tr1=k*Tr2.

Abstract: An apparatus for synthetic imaging of an object is disclosed. The apparatus includes a plurality of transmitter elements spaced apart by a first distance in a first column and a plurality of receiver elements spaced apart by a second distance in a second column. The first distance and the second distance are different. The plurality of transmitter elements is a non-integer multiple of the plurality of receiver elements, and the plurality of receiver elements is a non-integer multiple of the plurality of transmitter elements.

Abstract: The invention relates to a device for receiving satellite radio-navigation signals comprising a plurality of receiving antennas forming an antenna array. The invention consists in using a plurality of antennas disposed around the circumference of a carrier and in demodulating the signals received by each antenna separately. The diversity of the demodulation chains is utilized to compensate the signal loss on one of the chains when the corresponding antenna experiences a signal loss due to the masking of the satellite by the carrier.

Abstract: Described herein are various embodiments of methods and corresponding hardware and software that are configured to permit a seismic data acquisition module to switch between GNSS systems according to which system at a given time is determined to provide the best signal characteristics for acquiring accurate positional and timing data regarding the precise geographic location of the seismic data acquisition module when it is deployed in the field, and the corresponding times at which seismic data are acquired and recorded thereby.

Abstract: A system may include a modifiable mobile device having at least two antennas coupled to fractional amplifiers, with returned power detectors. A beamformer unit provides adaptive beam shaping pattern, and a baseband processor provides beam pattern requirements, wherein the beamformer unit modifies the beam pattern requirements with return loss sampling information to shape the adaptive beam pattern so that a transmitted beam pattern minimizes transmitted power reflected back to the mobile device. A method may include regularly measuring a return power level, if output power is greater than a specific absorption rate level, comparing the return power level to a first threshold, else implementing mobile transmit diversity (MTD), and repeating. If the return power level is greater than the first threshold, implementing a MTD combined with reflection-based beamforming that modifies beam pattern requirements of the mobile device with return loss sampling information to create an adaptive beam pattern.

Abstract: A radome for a radar sensor that includes a first and second section. Each section is formed of layers that have an electrical thickness substantially equal to an integer multiple of a guided half-wavelengths of the radar beam. Each of the sections are configured such that, at a location spaced apart from the radome, a first phase angle of the first portion of the radar beam differs from a second phase angle of the second portion of the radar beam by an amount substantially corresponding to an integer number of three hundred sixty degrees (360°) of phase angle shift.

Abstract: An antenna including a ground plane, a radiation element and a frequency selective structure is provided. The ground plane has a reflection area, and a first side edge of the reflection area is aligned with an edge of the ground plane. The radiation element is disposed near the first side edge of the reflection area and is operated at a resonant frequency. A width of the reflection area is related to a wavelength of the resonant frequency of the radiation element. The frequency selective structure is disposed on the ground plane along side edges of the reflection area except the first side edge and is adapted to reflect an electromagnetic wave from the radiation element.

Abstract: A communication terminal device includes a printed wiring board disposed in a casing, a feed pattern provided on a main surface of the printed wiring board, a radiation plate including a substantially planar radiation portion substantially perpendicular to the main surface of the printed wiring board and a lead portion connecting the radiation portion to the feed pattern, and a component mounted on the main surface of the printed wiring board to overlap the lead portion when the main surface of the printed wiring board is viewed from above, the component including a conductive material, a magnetic material and/or a dielectric material. The radiation portion is connected to the lead portion at a side spaced away from the main surface of the printed wiring board, and an area of the lead portion is located at a predetermined distance from the main surface of the printed wiring board.

Abstract: Disclosed are systems, devices and methods related to miniature probes that can be utilized for electrical and/or magnetic field strength measurements for areas that are smaller than an area of a radio-frequency (RF) module. In some embodiments, an electrical probe can be configured to include an unshielded inner conductor at an end of a coaxial assembly to allow an electrical field to induce differential-mode currents in the coaxial assembly. In some embodiments, a magnetic probe can be configured to include a loop connected to inner and outer conductors of a coaxial assembly to induce a common mode current by a change in magnetic field flux through the loop. In some implementations, such probes can be utilized to obtain near-field measurements to facilitate applications such as electromagnetic (EM) shielding designs.

Abstract: The present invention provides an antenna control method and an antenna device. The method includes (A1) defining a plurality of rough scanning sectors in a signal region; (A2) rotating the antenna to each rough scanning sector to measure a first evaluation signal; (A3) selecting one of the plurality of rough scanning sectors in accordance with the first evaluation signals; (A4) defining a plurality of fine scanning sectors; (A5) rotating the antenna to the plurality of fine scanning sector corresponding to the selected rough scanning sector to measure a second evaluation signal; (A6) selecting one of the plurality of fine scanning sectors in accordance with the second evaluation signals; (A7) rotating the antenna to the selected fine scanning sector.

Abstract: A modal antenna is formed within a battery assembly for use with a portable electronic device. In certain embodiments, the antenna is printed on an exterior surface of a battery enclosure using a conductive ink. In other embodiments, the antenna is attached, or etched, on a substrate; the substrate may at least partially include a battery housing. The antenna can include an Isolated Magnetic Dipole (IMD) antenna, or other radiating structure. Active components, such as active tuning components, are optionally included in the antenna-integrated battery assembly for the purpose of tuning the antenna.

Abstract: In an antenna structure having a serial connected capacitance effect, mainly a metallic planar antenna is provided thereon at least with a first metallic plane board, and a second metallic plane board being close to but not connected to the first metallic plane board to form the effect of capacitance in serial connecting. And more, the antenna structure further has an extension arm made from a microstrip extended from the antenna or the second metallic plane board, and can be optionally grounded or not grounded, for the purpose of adjusting the impedance value of the antenna structure.

Abstract: Improved antennas and a transceiver for UHF wireless communications are disclosed.

Abstract: A device for collecting energy has a moving conducting body and with capacitive plates at the edge. When an incoming wave is incident upon the energy collection device, currents are induced on the moving conducting body, in turn having charges accumulated at the capacitive plates that are attached to the edge of the moving conducting body. As the accumulated charges move along with the conducting body, time-varying magnetic field is produced nearby, from which power is collected by various energy collection devices such as inductive and capacitive coupling devices. It is also possible to collect the energy by putting touch brushes on the charge-stored capacitive plates directly. Also the accumulated charges and consequently the amount of collected power are enhanced by applying the external magnetic field to the moving conducting body.

Abstract: An antenna device includes a substrate, a first antenna element disposed on a surface of the substrate, a second antenna element disposed on the surface of the substrate, the second antenna element being a linear shape, a length of the second antenna element being shorter than twice a length of a side that determines a lowest operating frequency of the first antenna element, a grounding conductor disposed so as not to overlap with the first antenna element and the second antenna element, a feeder coupled to the first antenna element, a first switch and a second switch disposed at the feeder wire, a first matching element and a second matching element disposed between the feeder wire and the grounding conductor, respectively, a third switch configured to switch connecting states of the first antenna element and the second antenna element.

Abstract: A microstrip antenna includes a substrate having a first surface and an opposing second surface, a ground plane disposed at the first surface of the dielectric layer, and a conductive layer disposed at the second surface of the substrate. The conductive layer includes a continuous conductive trace comprising a plurality of linear segments arranged in a near-closed polygonal chain. The near-closed polygonal chain can define a truncated square spiral shape. Alternatively, the near-closed polygonal chain can define one of a near-closed pentagonal shape, a near-closed hexagonal shape, a near-closed heptagonal shape, and a near-closed octagonal shape.

Abstract: An impedance matching circuit is connected to a first circuit block (impedance matching target circuit) that requires impedance matching and that has one terminal connected to a signal line and the other terminal connected to a ground, the impedance matching circuit having a second circuit block that has a first circuit and a second circuit connected in parallel. In the first circuit, a first capacitor having a variable capacitance and a first inductor having a first inductance are connected in series, and in the second circuit, a second inductor having a second inductance and a switch are connected are connected in series. The impedance matching circuit has one terminal connected to the signal line of the first circuit block and the other terminal connected to the ground of the first circuit block.

Abstract: An apparatus for antenna arrangement isolation is described. The apparatus includes a first antenna element (for example, a CMMB TV antenna) having a first radiator component and a second antenna element (for example, a cellular antenna) having a second radiator component. A first portion of the first radiator component is adjacent to a second portion of the second radiator component. The second radiator component is configured with at least one operational frequency range. The first portion of the first radiator corresponds to at least one minimum electric field region of at least one resonant frequency of the first radiator. The at least one resonant frequency of the first radiator overlaps with the at least one operational frequency range. Methods, Apparatus and Computer readable media for providing the antenna arrangement are also described.

Abstract: A highly conductive fiber reinforced tubular antenna is composed of metal coated reinforcing fibers in a composite structure. The conductive fibers may be disposed in a tubular or cylindrical fashion unidirectionally parallel to or at an angle to the axis of the tube or cylinder, thus providing multifunctional properties of strength and conductivity. Alternatively, the conductive fibers may be non-woven in configuration and disposed on one or more wrapped layers to form the antenna. The fiber reinforced composites disclosed are both lighter and stronger than their metal counterparts, while the highly increased conductive surface area in the composite creates enhanced electrical or electromagnetic performance than tubular or cylindrical antennas made of metal or nonmetal composite structures.

Abstract: A wireless communication module includes a circuit board, and an antenna and a connection member mounted on a mounting surface of the circuit board. The antenna is mounted in a region along a first end edge of the circuit board, and the connection member is mounted in a region along a second end edge of the circuit board.

Abstract: A method, apparatus and computer program product provide an indication to a first user as to the content presented to another user by the head mounted display of the other user. In the context of a method, information is received relating to content presented to a second user by a head mounted display of the second user. Based upon the information, the method also includes causing, with a processor, an indication to be presented to a first user identifying the content presented to the second user by the head mounted display of the second user.

Abstract: A device, system, and method for determining a location of micro digital signage devices includes generating and transmitting a unique identifier corresponding to each micro digital signage device. Each micro digital signage device is to display its corresponding unique identifier and capture an image of other micro digital signage devices located on an opposite side of an aisle. The captured images are to be stitched together to generate a composite image. The unique identifiers of the micro digital signage devices are to be identified and the location of each micro digital signage device is to be determined using a known location of one of the micro digital signage devices as a reference. Each micro digital signage device identified from the composite image is to clear its corresponding unique identifier from display.

Abstract: According to one embodiment, an information display apparatus includes display, link module, input module, detector, determination module, and controller. The display displays a screen. The link module links to an external device, and causes the display to display a screen based on information provided by the external device. The input module receives an input operation with respect to the information display apparatus. The detector detects an operation content received by the input module as a user operation. The determination module compares the user operation and an operation condition corresponding to an operation of each of the external device and the information display apparatus with each other, and determines which of the external device and the information display apparatus is a target device of the user operation. The controller causes the target device determined by the determination module to perform a processing corresponding to the user operation.

Abstract: The present invention relates to a wireless data communication apparatus and to a wireless data communication method. According to the present invention, a wireless data communication method comprises the steps of: receiving metadata for first content from a wireless data communication apparatus using a near field communication (NFC) scheme; displaying the received metadata; and connecting, if information contained in the metadata is selected, to the wireless data communication apparatus using a wireless fidelity peer-to-peer (Wi-Fi P2P) connection scheme and receiving, from the wireless data communication apparatus, the first content according to the content or the selected information.

Abstract: A vehicular display device includes a display unit that displays visible information, a light projection unit that includes a reflection member which reflects light containing the visible information displayed on the display unit and projects the reflected light to a predetermined observation region to display the visible information as a virtual image, a light path adjustment mechanism that switches an imaging position of the virtual image between at least two positions, an illuminance detection unit that detects an intensity of external light affecting visibility of the virtual image, and an imaging position control unit that controls the light path adjustment mechanism depending upon the illuminance and changes the imaging position to a first position, at which the virtual image is less influenced by the external light, or to a second position, at which the virtual image is easily influenced by the external light.