|| List of recent Transmitter-related patents
|Methods and systems for enhanced detection of e-navigation messages|
Methods and systems for enhancing the detectability of maritime e-navigation messages are provided. Transmitters apply error protection encoding to the payload portion of messages to be transmitted, which are wrapped in a standard e-navigation message format such as that used by the automatic identification system.
|Managing null packets|
Systems and methods are provided for mitigating interference in a wireless network to facilitate network performance. In an aspect, a method for transmitting wireless data packets is provided.
|Utilizing backward defect indications in y-cable protection switching|
In accordance with teachings of the present disclosure, a method includes—at a network element communicatively coupled to a y-cable through two transmitters of the network element—transmitting data from a transmitter through the y-cable to a client and withholding transmission from the other transmitter, and determining whether receivers have received a backward defect indicator from the client. The method further includes determining that an interruption has occurred within a transmission media between the network element and the client, based on the determinations of whether the receivers have received the backward defect indicator from the client.
|Changing settings for a transient period associated with a deterministic event|
Disclosed embodiments relate to a system that changes transmitter and/or receiver settings to deal with reliability issues caused by a predetermined event, such as a change in a power state or a clock start event. One embodiment uses a first setting while operating a transmitter during a normal operating mode, and a second setting while operating the transmitter during a transient period following the predetermined event.
|Cpu current ripple and ocv effect mitigation|
High frequency current transients, due to logic switching inside the cpu, are reduced by applying clock signals having different relative phases to different parts of the cpu. This reduces the amplitude of current variations, and hence noise induced onto the power supply voltage.
|Method and apparatus for minimizing within-die variations in performance parameters of a processor|
Described herein are a method and an apparatus for minimizing within-die variations in performance parameters of a processor. The apparatus comprising: a reference generator to generate an adjustable compensated reference signal; a bias generator to generate a bias signal based on the adjustable compensated reference signal; a transmitter coupled with the bias generator to transmit an output signal; and a feedback mechanism to sample the output signal from the transmitter and to provide the sampled output signal to the bias generator..
|Remote ordering system|
A remote ordering system is provided using an electronic menu having a series of input devices associated with various menu items, and a wireless transmitter to send selected menu items to a receiving device for processing. A display to show selected menu items, an alpha-numeric keyboard, a non-cash payment device, and a printer for receipts are also contemplated for increased functionality.
|Financial apparatus, method and system for receiving and refunding fees|
A financial apparatus may include: a media reader configured to read user information from a medium; a user interface configured to receive a user's selection for fee receipt; a controller configured to generate a fee receipt request message using the user information and receipt information generated through the fee receipt; a screen display unit configured to display a guide screen for a fee receipt procedure; and a message transmitter/receiver configured to transmit the fee receipt request message to a financial company server, and receive a fee receipt confirmation message corresponding to the fee receipt request message from the financial company server.. .
|Service scheduling system|
A service scheduling system (1) is configured to retrieve schedule information from a time-management system (2) of a service provider, whereat the schedule information assigns service intervals offered by the service provider to a plurality of clients. The service scheduling system (1) comprises a detector (13) configured to detect an event indicating that a client cannot be served in a first service interval assigned to said client according to the schedule information.
|Apparatus and method for bed boundary detection|
A method for performing detection of a bed boundary can include deploying a tool body with a longitudinal axis in a borehole, modulating the magnetic moments of electromagnetic signals to be transmitted by the first transmitter and the second transmitter, firing the first transmitter and the second transmitter substantially simultaneously, utilizing the receiver to receive and measure the modulated electromagnetic signals from the first transmitter and the second transmitter, and computing the orientation and location of the bed boundary based on the amplitudes and phases of the electromagnetic signals received and measured at the receiver. The tool body can be deployed with a first transmitter, a second transmitter, and a receiver, all of which are oriented in different directions.
|On-board brake system diagnostic and reporting system|
A brake valve diagnostic and reporting system for a pneumatic only brake valve on a rail car which includes a brake pipe transducer for measuring brake pipe pressure; and a brake cylinder transducer for measuring brake cylinder pressure. A processor receives measurements from the transducers, compares the measurements against stored brake performance profiles, determines brake status from the comparison and prepares an event report for preselected brake statuses.
|Interface system for multiple protocols|
An interface system for a plurality of different protocols. The system includes a single receiver, a processor and a single transmitter.
|Nerve stimulation methods for averting imminent onset or episode of a disease|
Devices, systems and methods are disclosed for treating a variety of diseases and disorders that are primarily or at least partially driven by an imbalance in neurotransmitters in the brain, such as asthma, copd, depression, anxiety, epilepsy, fibromyalgia, and the like. The invention involves the use of an energy source comprising magnetic and/or electrical energy that is transmitted non-invasively to, or in close proximity to, a selected nerve to temporarily stimulate, block and/or modulate the signals in the selected nerve such that neural pathways are activated to release inhibitory neurotransmitters in the patient's brain..
|Method and apparatus for monitoring an organ of a patient|
An apparatus for determining tissue versus fluid components of an organ include a detector that generates a detector signal based on electrical signals derived from tissue and fluid. The apparatus includes a signal processor in communication with the detector which subtracts in real time a tissue component from the detector signal and produces a fluid volume signal.
|System and method for determining ball movement|
A system for identifying ball movement and position is disclosed. The system includes a ball for use in a sport activity comprising a lace or thread on, or adjacent to, an outer surface of the ball, and a communication element such as a wire or antenna disposed within the lace or thread, the ball's communication element being adapted to communicate via a signal received from, or sent to, one or more communication elements, such as a transmitter or receiver, disposed at or near a playing area.
|Image display system and head-mounted display device|
An image display system includes an image transmitter, a first display device that displays a first image, and a second display device that displays a second image, the second display device includes a display device side receiving unit that receives the second image, a display unit that displays the second image, a visual direction acquiring unit that acquires a current visual direction of the user, and a display device side transmitting unit that transmits the current visual direction, and the image transmitter includes a transmitter side receiving unit that receives the current visual direction, an extracting unit that extracts the first image as an image of a partial area in a whole image and the second image as an image of an area in response to the current visual direction in the whole image, and a transmitter side transmitting unit that transmits the first and second images.. .
|Wireless device with built-in self test (bist) capability for transmit and receive circuits|
A wireless device with built-in self test (bist) capability for testing/calibrating transmit and receive circuits is disclosed. In an exemplary design, an apparatus (e.g., a wireless device or an integrated circuit) includes a first circuit and a second circuit.
|Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference|
A system that incorporates teachings of the subject disclosure may include, for example, a method for receiving a mitigation strategy for reducing interference caused by at least one narrow band interferer detected in a wide frequency band according to an average wideband power level, an adaptive threshold, or both, creating a message according to the mitigation strategy to transmit to at least one communication device transmitting wireless signals that are associated with the at least one narrow band interferer, and transmitting the mitigation message to the at least one communication device to cause the at least one communication device to adjust operations of a wireless transmitter of the at least one communication device. Other embodiments are disclosed..
|Renewable energy base station and coverage adjustment method therefor, and wireless cellular system|
It is provided a renewable energy base station, which is used in a wireless cellular system, including: an adjustment request determining part for determining whether an adjustment to a coverage area is required; an adjustment request transceiver in case where it is determined that the adjustment to the coverage area is required, sending a coverage area adjustment request to neighboring base stations in the wireless cellular system, and receiving an adjustment request response from the neighboring base stations; an adjustment request responding part for determining whether the coverage area adjustment request from the one of the neighboring base stations is allowed in case where receiving the coverage area adjustment request from one of the neighboring base stations; and a response transmitter for sending the adjustment request response to the neighboring base stations based on a result of the determination made by the adjustment request responding part.. .
|Micro-organism threat detection|
A method of tracking and predicting the spread of micro-organisms in an environment relies on the optical detection of the growth of micro-organisms within an analyte containing a growth medium for the micro-organism(s) to be detected. Standardisation of the containers and growth medium for each micro-organism allows rapid detection of the growth pattern of particular organisms and the implementation of a regime of remote self-reporting of results from portable incubator units (1201) in the field which include a memory (1206) to store the results, a gps unit (1204) to provide location information and a transmitter (1203) to send the results to a central plotting organisation allowing rapid tracking and prediction of the spread of environmentally borne organisms..
|Externally modulated optical transmitter with chirp control|
An optical transmitter includes a laser and an external modulator that is used to modulate the optical signal using amplitude modulation (am). The am is accompanied by frequency modulation (fm) of the output signal that is generally detrimental to system performance.
|Photonic-crystal slab absorber and high-frequency circuit and electronic components, and transmitter, receiver and proximity wireless communication system|
The photonic-crystal (pc) slab absorber includes: a two-dimensional (2d)-pc slab composed of semiconducting materials; and a lattice point periodically arranged in the 2d-pc slab, the lattice point for forming resonant-state which can capture an electromagnetic waves incident from an outside by resonating an electromagnetic wave in a band edge of a photonic band structure of the 2d-pc slab in the plane of the 2d-pc slab. The 2d-pc slab is doped with impurities and can absorb the captured electromagnetic wave in the band edge resonant frequency of the 2d-pc slab..
|Optical transmission for binary and duobinary modulation formats|
A transceiver includes a transmitter and a receiver. The transmitter includes a precoder stage, an encoder stage and a first converter stage.
|Optical cable testing and management|
A method and apparatus for testing an optical cable is provided. In one embodiment, the apparatus may include a receiver for receiving a received pulse train through the optical cable.
|Pa cell, pa module, wireless communication unit, rf transmitter architecture and method therefor|
A power amplifier cell includes a first input arranged to receive an in-phase control signal, a second input arranged to receive a quadrature control signal, an input stage arranged to output a drive signal based at least partly on the received in-phase and quadrature control signals, and an output stage arranged to receive at an input thereof the drive signal output by the input stage, and to generate an output signal for the power amplifier cell in response to the received drive signal.. .
|Symbol vector-level combining transmitter for incremental redundancy harq with mimo|
Techniques are provided for transmitting and receiving a mother code in an incremental redundancy hybrid automatic repeat-request protocol. A set of information bits corresponding to a message may be encoded and interleaved to produce the mother code.
|Peak factor reduction device and wireless transmitter|
To satisfy the required snr values for each system and/or each channel, it is provided a peak factor reduction device for reducing peak components included in a transmission signal, wherein the peak factor reduction device generates a cancellation signal to be multiplexed on the transmission signal, and the peak factor reduction device changes an amplitude of the generated cancellation signal according to a signal noise ratio required for the transmission signal and a power level of the transmission signal.. .
|Digitally compensated process transmitter with minimal dead time|
A processor transmitter includes a sensor, a first signal path, a second signal path, and an output summing circuit. The sensor produces a process signal that is a function of a process parameter.
|Robust precoding vector switching for multiple transmitter antennas|
Methods, apparatuses, and computer program products for robust precoding vector switching for multiple transmitter antennas are provided. One method includes defining, by a base station, a precoding vector switching (pvs) scheme for transmission of synchronization signals through multiple antennas comprising a plurality of pairs of cross-polarized antenna elements.
|Voltage mode driver circuit for n-phase systems|
System, methods and apparatus are described that facilitate transmission of data, particularly between two devices within electronic equipment. Transmission lines are selectively terminated in an n-phase polarity encoded transmitter when the transmission lines would otherwise be undriven.
|Efficient n-factorial differential signaling termination network|
A termination network circuit for a differential signal transmitter comprises a plurality of n resistance elements and a plurality of differential signal drivers. A first end of each of the resistance elements is coupled at a common node, where n is an integer value and is the number of conductors used to transmit a plurality of differential signals.
|Frequency pulling reduction in wide-band direct conversion transmitters|
In an up-converter path of a transmitter, wide-band signal system like direct. Conversion wigig, a high pass filter (hpf) is placed in the baseband path after the low pass filter (lpf) but before the mixers.
|Dynamic digital communication system control|
Control of a digital communication system having a plurality of communication lines on which signals are transmitted and received is implemented using a variety of methods and systems. According to one embodiment of the present invention, a method is implemented where the signals are affected by interference during transmission and each of the communication lines has at least one transmitter and at least one receiver.
|Communication method and apparatus for use in multiple antenna system|
A method and apparatus for transmitting and receiving signals is provided for use in a codebook-based closed-loop multiple antenna system. A method for receiving signals in a codebook-based multiple antenna system according to the present disclosure includes estimating a desired signal and an interference channel, determining a codebook index using the desired channel, a hermitian of the desired channel, and the interference channel, and feeding back the codebook index to a transmitter.
|System and method for dual-band backhaul radio|
A method and system are provided. The system includes a communication system including a first transmitter/receiver operating on a first frequency and a second transmitter/receiver operating on a second frequency.
|Upstream pilot structure in point to multipoint orthogonal frequency division multiplexing communication system|
A central access network unit comprising a processor configured to assign a plurality of upstream training blocks from an upstream ofdm symbol to a plurality of downstream network units, wherein the ofdm symbol comprises a plurality of pilot subcarriers equally spaced across an upstream rf spectrum in a pre-determined time interval, and wherein each upstream training block comprises a different subset of the pilot subcarriers that are non-consecutive and situated across the upstream rf spectrum, and generate one or more messages comprising assignments of the upstream training blocks, and a transmitter coupled to the processor and configured to transmit the messages to the plurality of downstream network units via a network, wherein the messages instruct at least one of the plurality of downstream network units to transmit a modulated pre-determined sequence at the pilot subcarriers corresponding to the upstream training block assigned to the downstream network unit.. .
|System and method of providing communications in a wireless power transfer system|
A communication system that uses keyed modulation to encode fixed frequency communications on a variable frequency power transmission signal in which a single communication bit is represented by a plurality of modulations. To provide a fixed communication rate, the number of modulations associated with each bit is dynamic varying as a function of the ratio of the communication frequency to the carrier signal frequency.
|Adaptable receiver detection|
Methods and apparatuses for adaptable receiver detection are provided. Embodiments include providing, by receiver detection circuitry at a transmitter coupled to a communication link, a voltage to the communication link; determining, by the receiver detection circuitry, a rise time corresponding to a rising edge change of the voltage on the communication link; determining, by the receiver detection circuitry, a fall time corresponding to a falling edge change of the voltage on the communication link; and determining, by the receiver detection circuitry, whether the rise time and the fall time are consistent with the transmitter being coupled through the communication link to a remote receiver..
|Magnetic field data modem|
A magnetic field modem (26) includes an electro-magnetic radiation shielded (90) transmitter section (34) and a receiver section (36). The electro-magnetic radiation shielded (90) transmitter section (34) modulates data and transmits the data via a magnetic field through a radio frequency shield (20).
|Automatic compensation of transmit power of separate transmit chains in mimo communication|
Systems and methods are disclosed for receivers of transmit chains of a mimo system to receive transmit power information and to compute channel characteristics of the transmit chains to enable dynamic adjustment of the transmit power on the transmit chain to optimize an overall data throughput while meeting a maximum emission limit, such as a regulatory limit on emitted power. The transmit power and the data rate on the transmit chains may be independently controlled.
|Optical fiber temperature distribution measurement device and method of measuring optical fiber temperature distribution|
An optical fiber temperature distribution measurement device for measuring a temperature distribution along a longitudinal direction of an optical fiber is provided. The device includes: a light transmitter configured to input a train of code-modulated light pulses into the optical fiber; a light receiver configured to receive raman back scattering lights generated by inputting the train of code-modulated light pulses into the optical fiber; a demodulator configured to perform a correlation processing between a measured signal output from the light receiver and a code string associated with a type of the code modulation performed by the light transmitter, and to demodulate the measured signal; a storage storing a correction data to be used to correct a distortion of the measured signal output from the light receiver when an impulsive pulsed light is output from the light transmitter; and a corrector configured to perform a correction to one of the measured signal output from the light receiver and a demodulated signal output from the demodulator, using the correction data stored in the storage..
|Convergence sublayer for use in a wireless broadcasting system|
A method of encapsulating data and a single frequency network configured to perform the method are disclosed. A content stream of data packets is received, and the data packets in the content stream are formatted in accordance with a first protocol.
|High speed network contactless rotary joint|
A contactless data link for connecting a first high speed network to a second high speed network that is rotatable relative to the first high speed network. The links includes a first data processor connected to the first network, and a second data processor connected to the second network.
|Systems and methods for virtually synchronizing unsynchronized or loosely synchronized networks for position location determination|
Methods of operating a position network center, which includes at least one server, may include receiving timing-error data corresponding to a plurality of unsynchronized or loosely synchronized transmitters from at least one position network receiver. Moreover, the methods may include transmitting data indicating a plurality of timing errors by the plurality of unsynchronized or loosely synchronized transmitters to a wireless user device that receives signals from the plurality of unsynchronized or loosely synchronized transmitters.
|Method and apparatus for transmitting and receiving uplink random access channel slot in a wireless communication system using beamforming|
A method and apparatus for transmitting and receiving a signal of random access channel (rach) in a wireless communication system using beamforming are provided. The reception method includes receiving the signal through each transmission beam of a transmitter from a transmitter, transmitted in each transmission beam by the transmitter, the signal including as many repeated symbols as a total number of reception beams of a receiver, and detecting symbols by switching to reception beams corresponding to the symbols included in the signal during reception of the signal..
|Codebook enchancement for long term evolution (lte)|
Multiple input multiple output systems using a transmit precoder codebook designed for a four-transmitter (4tx) antenna configuration are described. The 4tx antenna configuration is an attractive option for base stations in cellular network environments and it is desirable to use a transmitter precoder codebook that provides sufficient granularity in typical operating scenarios, and to address various antenna configurations.
|Interleaving advertising packets for improved detectability and security|
Methods, systems and devices for broadcasting messages of different packet formats in interleaving fashions, wherein a transmitter may broadcast a first packet in a first format configured to be well-suited for a first software implementation of a receiver and broadcast a second packet in a second format that is associated with a second software implementation (e.g., firmware, application, etc.). The receiver may receive and process the first packet to detect information that indicates the presence of messages of the second packet type, adjust the receiver (i.e., change a behavior of the second software implementation) in response to detecting information, receive and process the second packet via the second software implementation, and perform an action based on the processed second packet.
|Method and apparatus for facilitating power conservation via time-gating in a wireless communication system|
The described apparatus and methods may include a receiver configured to receive a control signal, and a controller configured to regulate power consumption of the receiver during intervals of less than one radio frame based on the control signals. The controller may also be configured to regulate power consumption of a transmitter during intervals of less than one radio frame based on the control signal..
|Wireless sensor network wake-up range extension via energy harvesting and edge devices|
An enhanced, ultra low power passive wake-up radio-based sensor includes a passive wake-up radio-based sensor node having an energy harvester and low power wake-up circuit to improve the wake-up range for passive wake-up radio sensor nodes without the need for local power. The wake-up sensor may additionally include a transmitter for providing a wake-up signal to nodes that are outside the wake-up range of a base..
|Signaling for device-to-device wireless communication|
The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for implementing a direct device-to-device communication of cellular devices, e.g., in lte wireless systems, using discovery or discovery-like signaling to enable automatic discovery of other devices, a dedicated channel may be reserved for this purpose where devices may send a specific discovery signal with a predefined format, so that other devices listening in this channel can know the existence of the transmitters. For example, the discovery signal may be generated by one device for establishing a direct device-to-device communication, the discovery signal comprising a preamble part and a data part which comprises information for establishing the direct device-to-device communication, wherein a preamble resource for the preamble part is determined from a set of predefined resources and a data resource for the data part maps form the preamble resource..
|Characterization of the capacity region of a set of transmitters in a communication network|
A capability is provided for characterizing the capacity region of a set of transmitters of a communication network. A set of interference constraints is determined for a set of transmitters having a plurality of transmitters.
|Method and/or system for determining time of arrival of data packets|
Disclosed are systems, methods and devices for application of estimating a apposition of a mobile device based, at least in part, on measuring differences of times of arrival of data packets transmitted to the mobile device from transmitters. In specific implementations, time-staggered quasi-matched filter correlators may applying a known waveform or data sequence to a payload of a received data packet to detect a correlation peak or correlation maximum corresponding to a time of arrival of the received data packet..
|Distributed power control for d2d communications|
A technique for setting the transmission powers of individual d2d (device-to-device) transmitters using a distributed power control technique is described. Each individual d2d transmitter learns the interference levels that it imposes on an enb (evolved node b) and on d2d receivers other than its partner d2d receiver.
|Rfid transmitter for remote control|
A transmitter for remote control, the transmitter includes an amplifier configured to receive a first audio signal from an electronic device and amplify the first audio signal, a transmission module electrically connected to the amplifier to receive the amplified first audio signal and generating a carrier signal, a power supply connected to the transmission module, and an attenuation circuit electrically connected to the transmission module to receive the carrier signal, wherein the amplified first audio signal is configured to modulate the carrier signal and the first audio signal is one of a left channel audio signal and a right channel audio signal output from the electronic device via an audio connector.. .
|Low-power and battery-free transmitter for remote control|
A transmitter for remote control, the transmitter includes a first analog-to-digital converter (adc) configured to receive a first audio signal from a electronic device and convert the first audio signal to a first direct-current (dc) signal, a first boost circuit electrically connected to the first adc to receive and amplify the first dc signal, and a transmission module electrically connected to the first boost circuit to receive the amplified first dc signal, wherein the amplified first dc signal is configured to modulate a carrier signal generated by the transmission module and the first audio signal is one of a left channel audio signal and a right channel audio signal output from the electronic device through an audio connector.. .
|Ultrasound fusion harmonic imaging systems and methods|
An ultrasound imaging system includes: a harmonic filter coupled to an ultrasound transmitter to reduce transmitted harmonic components; a fundamental filter coupled with an ultrasound receiver to reduce received fundamental components; and a fusion processor configured to generate multiple frames of fusion images for two subsequent frames of ultrasound transmissions to improve frame rate. The ultrasound receiver may optionally perform signal alignment and matching to improve image quality.
|Ultrasonic hybrid input device and corresponding tuning method|
A hybrid input device is described. The hybrid input device includes a stylus for writing on a touchscreen, a writing instrument and a pressure sensor.
|In-air ultrasonic rangefinding and angle estimation|
An apparatus for determining location of a moveable object in relation to an input device includes an array of one or more piezoelectric micromachined ultrasonic transducer (pmut) elements and a processor. The array is formed from a common substrate.
|Passive wireless transmitter authentication used for receiver location determination|
A client device includes an application to request a client device location, and a receiver to receive a signal from a transmitter. The receiver extracts a transmitter identifier (id) and a wave propagation parameter (wpp) from the signal.
|Ranging using wi-fi and ultrasound measurements communication|
System and methods are disclosed to use ultrasonic (us) and wifi signals to improve range determination between devices in wifi-based position or range estimation systems. Such systems may leverage existing wifi infrastructure and us-capable sensors such as speakers and microphones as us transducers.
|Positioning beacon transmitter|
Disclosed are systems, methods and devices for configuring a beacon transmitter for use in positioning operations of mobile devices. A beacon transmitter may be connected to a utility grade power source at a power cable.
|Multi-mode, multi-static interferometer utilizing pseudo orthogonal codes|
A system for providing a multi-mode, multi-static interferometer may include a transmitter array, a receiver array and a processor. The transmitter array includes at least a first transmitter and a second transmitter spatially separated from each other by a first known distance.
|Map aware adaptive automotive radar|
A dedicated short range radar system is provided for use with a gps system. The radar system includes a transmitter which transmits a microwave radio signal.
|Low power transmitter for remote control|
A transmitter for remote control includes a first analog-to-digital converter (adc) to receive a first audio signal from a electronic device and convert the first audio signal to a first direct-current (dc) signal, a first boost circuit connected to the first adc to receive and amplify the first dc signal, a second adc receives a second audio signal from the electronic device and converts the second audio signal to a second dc signal, a second boost circuit connected to the second adc to receive and amplify the second dc signal, an energy storage element and a transmission module is powered by the energy storage element and generates a carrier signal, the transmission module receives the amplified first dc signal from the first boost circuit, the amplified first dc signal modulates the carrier signal generated by the transmission module, and the amplified second dc signal charges the energy storage element.. .
|Communications device and communications system|
According to one embodiment, communications device includes receiver, transmitter, and display. The receiver receives, when first information indicating a setting on a target control device is displayed in a first color in a first display area of a display device, an operation for changing information displayed in the first display area from the first information to second information.
|Method and system for increasing the operational safety of mobile machines in aboveground or underground mining operations for the extraction of minerals by utilizing the rfid technology|
A system and method for increasing the operational safety of mobile machines in mining operations by utilizing rfid technology includes a transmitting unit at the mobile machine, a receiving unit, and a non-machine-related rfid transponder which can be activated by the transmitting unit and in the case of activation is contactlessly detected. A reference transponder and a control unit for actuating the transmitting unit and evaluating transponder signals in measuring cycles is provided.
|Power amplifying device and transmitter|
Certain embodiments provide a power amplifying device including: a distribution line which distributes power; a plurality of power amplifying elements; a connection line; an output line; a filter; a first directional coupler; and a second directional coupler. The power amplifying elements is provided at a stage subsequent to the distribution line.
|Calibration of single-ended high-speed interfaces|
A method for calibrating signal swing and a trip reference voltage. The signal swing of a system can be calibrated in a symmetric or asymmetric technique through adjustment of a drive parameter such as a supply voltage for a transmitter or a drive termination.
|Calibration of single-ended high-speed interfaces|
A method for calibrating signal swing and a trip reference voltage. The signal swing of a system can be calibrated in a symmetric or asymmetric technique through adjustment of a drive parameter such as a supply voltage for a transmitter or a drive termination.
|Open-loop correction of duty-cycle error and quadrature phase error|
A phase interpolator (pi) may be employed as a precisely-controlled delay element in a transmit path, for example in clock forwarded serial links. Methods and circuits are disclosed for estimating a delay needed to correct duty-cycle/and or phase errors of the received clock.
|Package integrity monitor with sacrificial bumps|
An apparatus with package integrity monitoring capability, includes: a package having a die connected to an interposer through a plurality of bumps, wherein at least some of the bumps comprise dummy bumps; a package integrity monitor having a transmitter to transmit a test signal and a receiver to receive the test signal; and a first scan chain comprising a plurality of alternating interconnects in the die and in the interposer connecting some of the dummy bumps in series, wherein the first scan chain has a first end coupled to the transmitter of the package integrity monitor and a second end coupled to the receiver of the package integrity monitor.. .
|Apparatus and method for directional resistivity measurement while drilling using slot antenna|
An apparatus for making directional resistivity measurements of a subterranean formation includes a resistivity tool with a longitudinal axis and an outer surface, multiple slots formed on the outer surface of the resistivity tool and oriented substantially parallel to the longitude axis of the resistivity tool, and multiple wires posited in the slots and electrically connecting end walls of the slots to form magnetic dipole antennas. The mantic dipole antennas form at least one transmitter-receiver antenna group to perform transmission and reception of electromagnetic signals.
|Method for determining a rotary speed of a device|
A device configured for rotary speed measurement includes a speed transmitter on which segments are distributed across a radial circumference and a sensor that is substantially stationary relative to the speed transmitter. A method for determining the rotary speed of the device includes continuously determining pass-through times of all segments relative to the sensor, continuously determining revolution times of the speed transmitter by summing the pass-through times of all segments over a complete revolution, and continuously determining the speed from the revolution times.
|Wireless power transmitter and method for controlling same|
A method for controlling a wireless power transmitter that transmits charging power to a wireless power receiver is provided. The method includes driving the wireless power transmitter; determining whether latch fault mode entry conditions are met, in which the wireless power transmitter is allowed to enter a latch fault mode in which the wireless power transmitter periodically applies first power having a first power value in a first cycle; and if the latch fault mode entry conditions are met, periodically applying the first power in the first cycle..
|Apparatus, method, and system for wirelessly charging an electronic device|
An apparatus for wirelessly charging an electronic device is disclosed. The apparatus comprises a charging controller coupled to a power source, a power switch coupled to the power source, a logic controller coupled to the power switch, and a wireless charger transmitter coupled to the power source via the power switch and coupled to the logic controller.