|| List of recent Modulation-related patents
|Accent lighting system|
Apparatus for illuminating an object with light that is controlled for intensity and color temperature. A ceiling mounted luminaire contains a circuit that controls the intensity and color temperature of light emitting diodes (leds).
Method Lights, Llc
|Signaling message transmission in a wireless communication network|
Techniques for sending signaling messages in a wireless communication network are described. In an aspect, a signaling message (e.g., a reduce interference request) may be sent by mapping it to at least one specific subcarrier among a set of subcarriers reserved for sending the signaling message.
|Dynamically-selectable multi-modal modulation in wireless multihop networks|
In a self-organizing wireless multihop network, each node device selects operation among short-range (sr) and long-range (lr) communication modes, among which the sr mode uses a higher data rate than the lr mode. Each node device advertises connectivity link availability for neighboring node devices, and selectively initiates a link in response to connectivity availability advertised by at least one neighboring node device.
|Intelligent sound field control system|
An intelligent sound field control system, which relates to a sound field modulation device and is provided with a wifi/wireless/wire network main control device, a notebook computer, a wireless universal serial bus dongle, a tablet computer, a motion control electronic device and a reflecting medium, is capable of integrally controlling states of different sound reflecting mediums. Accordingly, an indoor acoustic parameter can be varied and electromechanical integration can be achieved, thereby promoting usage convenience, accuracy and usability..
|Methods and apparatuses for content-adaptive quantization parameter modulation to improve video quality in lossy video coding|
A technique for improving the subject visual quality of encoded video that includes a video quality module configured to determine a video quality metric (vqm) for each data block of a plurality of data blocks and a modulator coupled to the video quality module. The modulator configured to modulate a video encoding parameter to improve the quality for each data block of the plurality of data blocks based on a normalized vqm for each data block of the plurality of data blocks..
Magnum Semiconductor, Inc.
|Intermediate frequency receiver with dynamic selection of the intermediate frequency used|
The invention relates to an if receiver that is able to solve the image band problem and, in particular, to reject any interfering signals so as to ensure correct demodulation of a received useful signal without having to interrupt the reception service. The receiver comprises a monitoring branch configured to monitor interference experienced at a plurality of intermediate frequencies usable in reception and select the intermediate reception frequency from the intermediate frequencies usable in reception on the basis of the interference monitoring carried out.
Selex Es S.p.a.
|Transmitting a frequency-modulated signal|
A transmitting apparatus for transmitting a frequency-modulated signal is provided. The transmitting apparatus includes a pilot tone generation device for generating a pilot tone.
|Adaptive envelope extracting apparatus, signal decoding apparatus and short-distance contactless communication apparatus applying the adaptive envelope extracting apparatus, and method thereof|
An envelope extracting apparatus includes: a clock extracting device arranged to extract a clock signal of a receiving modulation signal according to a first biasing voltage; and an edge detecting device arranged to generate a detecting signal to indicate an envelope edge of the receiving modulation signal according to a delayed clock signal of the clock signal and a second biasing voltage; wherein the second biasing voltage or a delay time of the clock signal is adjustable.. .
Mediatek Singapore Pte. Ltd.
|Method and system for mapping uplink control information|
An uplink grant transmitted to a subscriber station indicates a first modulation and coding scheme (mcs) value for a first codeword transmission and a second mcs value for a second codeword transmission. A multiple-input multiple-output (mimo) uplink subframe received from the subscriber station has a first subset of layers used for first codeword transmission and a second subset of layers used for second codeword transmission.
Samsung Electronics Co., Ltd.
The invention relates to an apparatus including: at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: obtain a channel quality indicator comprising a detector class indicator informing transmitter's capability to a high order modulation, and substitute the modulation, coding and rank scheme utilising the high order modulation with a modulation, coding and rank scheme utilising a lower order modulation and providing nearest similar performance, if the high order modulation is not supported by a receiver.. .
Nokia Solutions And Networks Oy
Optimized signaling of demodulation reference signal patterns
Orthogonality in cyclic shift (cs) and orthogonal cover code (occ) selection for dmrs in mimo is improved by new ndmrs to ndmrs(2) mapping patterns. Values in the mapping tables are arranged in sets, with minimum cs separation between the values in each set.
Telefonaktiebolaget L M Ericsson (publ)
Method and apparatus of retransmission based on soft combining in contention based access system
A method and apparatus of an effective and reliable retransmission based on soft combining when using orthogonal frequency division multiplexing (ofdm) modulation technique in a contention based access system. The method includes receiving a data signal from a transmission node, performing soft combining the valid section part of the data signal which have been previously received and the data signal currently received, determining a collision section of the data signal which is currently received, and saving a valid section part except the collision section of the data signal which is currently received in a buffer.
Electronics And Telecommunications Research Institute
Receiving device and receiving method, and computer program
A receiving device receiving a sc-fdma signal includes a first calculating unit calculating a first channel estimation value indicating a propagation path state based on a sounding reference signal transmitted from a transmitting end device; a second calculating unit calculating a rank determination value and a modulation and coding scheme (mcs) determination value based on the first channel estimation value, the rank determination value and mcs determination value being associated with a transmission rank number and a transmission coding ratio/modulation scheme respectively, and used when the transmitting end device next transmits a data channel; a third calculating unit calculating a second channel estimation value indicating a propagation path state based on a demodulation reference signal by using interpolation processing in accordance with at least one of the rank determination value and the mcs determination value; and a demodulation/decoding unit acting on a data channel using the second channel estimation value.. .
Pulse amplitude modulation (pam) bit error test and measurement
A method and apparatus are provided to detect a threshold-error of a multi-level signal-under-test. In one aspect of the disclosure, a digital test sequence may be used to produce the signal-under-test.
Optical transmitter for transmitting a multilevel amplitude-shift-keying modulated signal
An optical transmitter for transmitting a multilevel amplitude-shift-keying modulated signal includes an optical modulator for modulating an optical signal with a multilevel amplitude-shift-keying modulation, and a spectral filter adapted to increase a high-frequency component of the modulated optical signal relatively to a central frequency component. The multilevel ask modulation is quaternary ask and the symbol rate of the optical modulator is above 40 gbaud.
Radio frequency signal transceiver, coherent radar receiver and processing radio frequency signals
An rf signal transceiver comprising a mode-locked laser to output an optical signal having a plurality of phase-locked modes, an optical splitter to power split the optical signal into a transmitter optical signal and a receiver optical signal; a transmitter apparatus to receive the transmitter optical signal and comprising an optical filter to select two of the modes, an optical modulator to modulate a part of the transmitter optical signal to form at least one phase modulated optical signal, and a photodetector to heterodyne the phase modulated optical signal with one of the modes without a corresponding phase modulation to form an rf signal for transmission; and a receiver apparatus arranged to receive an rf signal and the receiver optical signal and comprising an optical modulator to modulate the receiver optical signal with the received rf signal; and an optical to electrical signal conversion apparatus to convert the modulated receiver optical signal into a corresponding electrical signal.. .
Telefonaktiebolaget L M Ericsson (publ)
Optical interface module for coherent reception, optical memory module, and optical memory system comprising same
An optical memory module comprises one or more memory devices configured to store data, and one or more optical interface modules configured to perform optical communication between the memory devices and an external device. Each of the optical interface modules comprises an input-output light distribution unit configured to divide received light to produce transmission light and reception light, an electrical-to-optical conversion unit configured to perform optical modulation based on the transmission light and an electrical transmission signal to generate an optical transmission signal, and a coherent optical-to-electrical conversion unit configured to perform a coherent reception based on the reception light and an optical reception signal to generate an electrical reception signal..
Samsung Electronics Co., Ltd.
Spatial modulation method using polarization and apparatus using the same
A spatial modulation method using a polarization and an apparatus using the same are provided. A spatial modulation method by a transmitting apparatus in a wireless communication system may comprise selecting an antenna to send data among transmit antennas arranged to have different polarization angles using a predetermined bit of input data based on indexes of the transmit antenna and mapping remaining bits of the input data to a preset constellation and transmitting the remaining bits of the mapped input data through the selected antenna..
Electronics And Telecommunications Research Institute
System and multi-dimensional modulation schemes with high noise immunity and low emission idle signaling for automotive area networks
System, method and apparatus for multi-dimensional modulation schemes with high noise immunity and low emission idle (lei) signaling for automotive area networks. An extra zero constellation point can be used during an idle mode and extra constellation points can be assigned to control signals..
Communication channel using logarithmic detector amplifier (lda) demodulator
A method is provided for communicating signals at a low power level in an electromagnetic interference (emi) environment. A first device transmits a modulated signal having a first carrier frequency, including the encoded information via a hardwire transmission medium.
Signal modulation circuit
Provided is a circuit which can correct an output state in real time and reduce influences of distortion/noise components generated by a delay device. A signal modulation circuit includes a subtractor, an integrator, a phase inverting circuit, a dff for while inserting a zero level at timing synchronous with the clock signal, delaying and quantizing the signal, a ternary signal generating circuit for generating a ternary signal for selectively driving a load connected to a single power supply into ternary conductive states including a positive current on-state, a negative current on-state, and an off-state, a driver circuit for generating a driving signal for driving a load, and a feedback circuit for feeding back the driving signal from the driver circuit to the input signal..
A method is for reducing pulse skipping from a characteristic affecting a modulating signal input to an integrator of a pulse width modulation (pwm) modulator, together with a square wave carrier signal for generating a triangular waveform of the pwm modulator. The method may include creating a broad synchronous peak at vertexes of the triangular waveform output by the integrator..
System on chip with power switches
According to an exemplary implementation, an integrated circuit (ic) includes a logic circuit monolithically formed on the ic. The logic circuit is configured to generate modulation signals for controlling power switches of a power inverter.
International Rectifier Corporation
Control method and control circuit for switching power supply
In one embodiment, a method of controlling a switching power supply, can include: (i) generating a driving current signal that follows a waveform of a sense voltage signal, where the sense voltage signal is related to a current through a collector of a transistor that is configured as a power switch of the switching power supply, where the collector is coupled to an inductive element of the switching power supply; (ii) providing the driving current signal to a base of the transistor, where the transistor is in a saturated conduction state when a pulse-width modulation (pwm) signal is active; and (iii) releasing charge accumulated on the base when the pwm signal is inactive to turn off the transistor.. .
Silergy Semiconductor Technology (hangzhou) Ltd
Power conversion system having a harmonic distortion limiter
An electrical power conversion system having a harmonic distortion limiter. The power conversion system includes a power converter having a power input, a power output, a current measurement output signal, and a control signal input.
Solidstate Controls, Llc
Method for controlling the current intensity of the electric current flowing through an inductive consumer and a corresponding circuit configuration
A method is provided for controlling the current intensity of the electric current flowing through an inductive consumer, the consumer being connected in series to a switching device and a current measuring unit, and in parallel to a free-wheeling element, and the switching device being activated for adjusting the current intensity during a pulse width modulation period. It is provided that a mean load voltage to be set during the pulse width modulation period is determined from an input current intensity with the aid of a first controller, the mean load voltage being set in the pulse width modulation period with the aid of the switching device at the consumer, the mean load voltage or a setpoint load voltage determined with the aid of a second controller from a predefined setpoint current intensity being fed to a model adapted to the consumer, and the input current intensity being ascertained from the difference between the predefined setpoint current intensity and a difference variable between an actual current intensity through the consumer and a model current intensity determined with the aid of the model.
Robert Bosch Gmbh
Power receiver, wireless power system and related transmitting information with a power receiver
A power receiver includes a resonant circuit generating an internal supply voltage. A voltage rectification circuit receives the internal supply voltage and generate a corresponding rectified voltage.
Boost apparatus with over-current and over-voltage protection function
A boost apparatus includes: a boost power conversion circuit having a first diode coupled to a load, and configured to receive a dc input voltage and provide a dc output voltage to the load in response to a pulse-width-modulation (pwm) signal; a complex function detection circuit coupled to an anode of the first diode and configured to detect whether the dc output voltage is over-voltage and detect whether the first diode is open-circuit and accordingly provide a detection signal; and a control chip configured to: generate the pwm signal to control the operation of the boost power conversion circuit; and stop outputting the pwm signal and enter a shutdown status in response to the detection signal when the first diode is open-circuit or the dc output voltage is over-voltage, thereby protecting the boost apparatus and/or the load from damaging.. .
Beyond Innovation Technology Co., Ltd.
Induction heating fusing device and image forming apparatus
An induction heating fusing device and an image forming apparatuses that may control even a very small current region by tracking a resonance frequency to perform pwm control and phase control without considering a deviation of a part constant or a temperature change are provided. The induction heating fusing device includes: a serial resonance circuit having an induction coil and a condenser; a phase comparator, a phase controller, a resonance frequency tracking oscillator, and a pwm (pulse width modulation) signal generator.
Samsung Electronics Co., Ltd.
Maskless light exposure device
A light exposure device is provided. The light exposure device includes a light source, a light modulation part, and a projection optical part.
Samsung Display Co., Ltd.
Modulation methods for cmos-based thermal sensors
A method and circuit for determining a working temperature of a device, the method comprising: providing a first signal to a device having a temperature-sensitive characteristic; performing a function on the first signal by the device; demodulating a second signal output by the device to obtain a third signal thus generating a signal having reduced 1/f noise component; and based upon the first signal and the second signal, determining a working temperature of the device.. .
International Business Machines Corporation
Pilr alpha interactions and methods of modifying same
Described herein is a novel receptor-ligand interaction and agents that may modify and/or block the interaction. Methods, uses, reagents and kits for the modulation of ligand activities related to its interaction with the novel receptor are disclosed.
Antibodies to ion channels
An anti-e1 ion channel antibody or binding fragment thereof, pharmaceutical compositions comprising said antibodies, use of the antibodies and compositions comprising the same, in treatment, for example in the treatment/modulation of pain and processes for generating and preparing said antibodies.. .
Ucb Biopharma Sprl
Compositions and methods for modulation of il-20 family cytokine activity
Provided herein are compositions comprising one or more agents that inhibit or reduce the activity of il-20. Optionally, the agents further inhibit or reduce the activity of il-24.
The Uab Research Foundation
Compositions and methods for brown fat induction and activity using fndc5
The invention provides compositions and methods for brown fat induction and activity through modulation of fndc5 activity and/or expression. Also provided are methods for preventing or treating metabolic disorders in a subject through modulation of fndc5 activity and/or expression.
Dana-farber Cancer Institute, Inc.
Spirocyclic morphinans and their use
And pharmaceutically acceptable salts and solvates thereof, wherein r1a-r5a, y, za are defined as set forth in the specification. The invention is also directed to use of compounds of formula i′-a, and especially compounds of formula i-a, to treat disorders responsive to the modulation of one or more opioid receptors, or as synthetic intermediates.
Pyridonemorphinan analogs and biological activity on opioid receptors
And pharmaceutically acceptable salts and solvates thereof, wherein , r1a-r3a, r4, y and za are defined as set forth in the specification. The invention is also directed to use of compounds of formula i-a to treat disorders responsive to the modulation of one or more opioid receptors, or as synthetic intermediates.
Energetic modulation of nerves
A method to deliver focused ultrasound energy from a position outside a skin of a patient to a nerve surrounding a blood vessel, includes placing the patient on a table in a substantially flat position, moving a transducer into a position inferior to ribs, superior to an iliac crest, and lateral to a spine of the patient, maintaining the transducer at the position relative to the patient, and delivering focused ultrasound energy through the skin of the patient without traversing bone, wherein the direction of the focused ultrasound is directed from a lower torso to an upper torso of the patient.. .
Kona Medical, Inc.
Optical for modulation of biochemical processes in adipose tissue
Optical methods and devices are provided for the reduction of the lipid content of adipocytes without significant heat or intolerable adverse effect on the cells and their surrounding tissues. The optical method and device can be used to irradiate adipose tissue through the skin with non-thermal and non-destructive effects by application of near infrared (nir) irradiation at selected wave bands in selected ranges to affect modulation of innate enzymatic processes involved in lipolysis, lipogenesis, leptin secretion, adiponectin secretion, and/or glucose absorption..
Nomir Medical Technologies, Inc.
System and optogenetic therapy
Configurations are described for utilizing light-activated proteins within cell membranes and subcellular regions to assist with medical treatment paradigms, such as hypertension treatment via anatomically specific and temporally precise modulation of renal plexus activity. The invention provides for proteins, nucleic acids, vectors and methods for genetically targeted expression of light-sensitive proteins to specific cells or defined cell populations.
Circuit Therapeutics, Inc.
Antenna providing variable communication with an implant
A device may include a primary antenna configured to be located external to a subject and at least one processor in electrical communication with the primary antenna. The at least one processor may be configured to cause transmission of a primary signal from the primary antenna to an implantable device, wherein the implantable device includes at least one pair of modulation electrodes.
Devices and methods for modulating medium delivery
A method includes establishing an initial resistive force on a contrast fluid in a contrast delivery modulation component and injecting the contrast fluid into the patient with an injection syringe fluidly connected to the injection catheter and the contrast fluid inlet port of the contrast delivery modulation component. A contrast delivery measurement component is used to assess a total volume of the contrast fluid injected into the patient and a resistive force imparted upon the contrast fluid in the chamber..
Osprey Medical, Inc.
Modulation of the immune response
Methods for increasing the numbers of regulatory t cells (treg), e.g., in a population of t cells or in a patient.. .
The Brigham And Women's Hospital, Inc.
Method and control of non-invasive parameter measurements
Improved methods and apparatus for non-invasively assessing one or more parameters associated with fluidic systems such as the circulatory system of a living organism. In a first aspect, an improved method of continuously measuring pressure from a compressible vessel is disclosed, wherein a substantially optimal level of compression for the vessel is achieved and maintained using perturbations (e.g., modulation) of the compression level of the vessel.
Tensys Medical, Inc.
Solid-state lighting dimming
A solid-state lighting (ssl) system having dimming capability includes an ssl driver having a current control circuit configured to control current flow and, consequently, the brightness of light emitted by a light-emitting load. The magnitude of current flowing through the light-emitting load is set and controlled depending on a dim control signal, which is generated based on the value of a scaled alternating current (ac) power signal.
A base station of a cellular telecommunications network is provided, the base station being adapted to: receive a channel quality indicator ‘cqi’ from a user equipment ‘ue’; determine an indication of radio conditions at a first time contributing to the received cqi; and, schedule actions or instructions, including selecting a modulation and coding scheme ‘mcs’, in accordance with an adjusted cqi, wherein the adjusted cqi is calculated by: determining an indication of radio conditions at a second time later than the first time; and, evaluating the indication of radio conditions at the second time against the indication of radio conditions contributing to the received cqi. A method and computer readable storage medium are also provided..
Vodafone Ip Licensing Limited
Method and managing uplink communication in wireless communication network
A method for managing uplink communication in wireless communication network is provided. The method includes selecting one or more mobile stations (mss) from a plurality of mss based on a first signal parameter corresponding to each ms of the one or more mss, one or more second signal parameters corresponding to each ms of the one or more mss, and one or more threshold parameters.
Integrated circuit for communication resource allocation
Provided is a base station capable of suppressing increase of overhead of allocation result report in frequency scheduling in multi-carrier communication and obtaining a sufficient frequency diversity effect. In the base station, encoding units (101-1 to 101-n) encode data (#1 to #n) to mobile stations (#1 to #n), modulation units (102-1 to 102-n) modulate the encoded data so as to generate a data symbol, a scheduler (103) performs frequency scheduling according to a cqi from each mobile station so as to uniformly allocate data to the respective mobile stations for a part of rb extracted from a plurality of rb, and an scch generation unit (105) generates control information (scch information) to report the allocation result in the scheduler (103) to the respective mobile stations..
Panasonic Intellectual Property Corporation Of America
System and wireless positioning and location determination
A system and method for wireless sensor networks (wsn) positioning that is cost-effective, scalable, can be easily implemented, and provides improved performance and accuracy. A plurality of reference nodes with known locations transmit linear frequency modulation continuous waves (fmcw), while sensor nodes receive these waves and calculate the range difference among them based on the time frequency difference arrival (tfda).
Board Of Trustees Of Northern Illinois University
Method and transmitting wireless personal area network communication system
A transmitting apparatus of a wpan communication system generates a synchronization header, a physical layer header, and a physical layer service data unit, multiplexes the synchronization header and the physical layer header into a bit stream and then modulates the multiplexed bit stream by a first differential phase modulation scheme, modulates the physical layer service data unit by a second differential phase modulation scheme, and multiplexes and transmits a symbol modulated by the first differential phase modulation scheme and a symbol modulated by the second differential phase modulation scheme into a symbol stream.. .
Electronics And Telecommunications Research Institute
System and pixel data compression
A system for, and method of, pixel data compression and a smartphone incorporating the system or the method. In one embodiment, the system includes: (1) a differential pulse code modulation encoder operable differentially to compress the two pixel values losslessly to yield two losslessly compressed pixel values and (2) an entropy encoder coupled to the differential pulse code modulation encoder and configured to receive and entropy-encode the losslessly compressed pixel values using a tiered technique to yield entropy-encoded, losslessly compressed pixel values.
Intra-plane and inter-plane predictive rgb image coding
An apparatus and method for enhanced encoding of rgb images is presented. The use of intra-plane prediction, which relies on correlation between neighboring pixels of the same color, is enhanced by adding inter-plane prediction that relies on correlation between neighboring pixels of different colors.
A projector according to an aspect includes a light source device, a light modulation device adapted to modulate light from the light source device to form image light, a projection optical system adapted to perform tilted projection of the image light input from the light modulation device to display an image, and a guide display section adapted to display a guide image used for fitting the image projected by the projection optical system to a screen, the guide image is provided with a focus adjustment pattern forming area disposed in a central portion in a direction perpendicular to a tilt direction in a peripheral zone on the tilt direction side, and a focus adjustment pattern is formed in the focus adjustment pattern forming area.. .
Seiko Epson Corporation
Secure mobile communication relay having firewall function
The secure mobile communication relay of the present invention may comprise: a baseband processing unit for the baseband modulation/demodulation of the mobile communication signal transmitted between a terminal and a mobile communication network base station so as to extract baseband data; a control unit for analyzing the baseband data and permitting or rejecting the relay of the baseband data based on the result of a determination of whether or not a set security policy has been violated; a storage unit for storing information for setting the security policy; and a firewall function unit for determining, based on the instructions of the control unit, whether or not the packet data included in the baseband data violates the security policy.. .
Method and system of providing a notification
A system and method of providing a notification responsive to an event using visual modulation of a user interface is described. Visual modulation may be used to indicate a type of event, a number of events, a source of an event, etc.
Chacha Search, Inc
Method of transmitting pilot bits in a wireless communication system
A method of allocating pilot bits in a wireless communication system using a multiple carrier modulation (mcm) is disclosed. The method includes allocating a plurality of precoded data symbols precoded by a precoding matrix module and a plurality of non-precoded pilot bits to a plurality of subcarriers, and transmitting the allocated precoded data symbols and the allocated non-precoded pilot bits..
Lg Electronics Inc.
Transpositional modulation systems and methods
Systems and methods for transpositional modulation and demodulation are provided. One such method for generating a signal includes the steps of providing a look-up table having a plurality of quarter-cycle waveforms, each of said quarter-cycle waveforms associated with a respective input level; receiving an input signal; and outputting quarter-cycle waveforms associated with levels of the received input signal.
Tm Ip Holdings, Llc
Method and device for transmitting mcs indication information
The present application relates to the field of wireless communications, and in particular, to an indication method and device for a modulation coding scheme. It is for solving the problem that in an existing lte/lte-a system, a higher-order modulation scheme cannot be supported, thereby limiting the further improvement of throughput in an application scenario of a high signal-to-noise ratio.
China Academy Of Telecomunications Technology
Time division duplex wireless network and associated method using connection modulation groups
A wireless network is provided that includes a base station and subscriber stations that communicate with the base station using radio frequency (rf) time division duplex (tdd) signaling. The base station may establish medium access control (mac) connections with each station.
Lighting system communication
Further, a method for controlling a plurality of light modules is provided. The method may include: emitting visible light by a first light module of the plurality of light modules; modulating the emitted visible light with data that is to be transferred to at least one other light module of the plurality of light modules, wherein the modulation of the visible light is not noticeable to the human eye; receiving the modulated visible light by the at least one other light module; demodulating the received visible light by the at least one other light module to recover the data; and responding of the at least one other light module to the recovered data..
Adaptive spread-spectrum clocking
Technologies are described herein for adaptive spread-spectrum clocking to limit interference in a target band. Interference in the target band may be reduced by changing the frequency of the clock signal at a higher modulation rate for clock frequencies that interfere with, or are correlated to, the target band and changing the frequency of the clock signal at a lower modulation rate for the clock frequencies that are not correlated to the target band..
Seagate Technology Llc
Mode hopping spread spectrum modulation
A method and apparatus for data modulation in an antenna array include: storing input data comprising of a plurality of data bits, in a buffer; generating a pseudo random number; computing a transmission mode from the pseudo random number; based on the computed transmission mode and the number of antenna elements in the antenna array, computing a particular phase offset for each antenna element; sequentially providing the stored input data, one bit at a time, to each antenna element; and transmitting the input data from each antenna element according to the computed particular phase offset for said each antenna element.. .
Multilevel converter systems and methods with reduced common mode voltage
Sinusoidal pulse width modulation (spwm) control techniques, computer readable mediums, and apparatus are presented for operating a multilevel converter, in which a desired ac node voltage level is determined through comparison of a plurality of carrier signals or values to at least one reference signal or value, and a switching state is selected from a plurality of redundant switching states corresponding to the desired ac node voltage level for generating switching control signals based at least partially on a switched capacitor voltage balancing goal or other control objective.. .
Rockwell Automation Technologies, Inc.
Redundant power supply system for reducing standby power consumption
A redundant power supply system for reducing standby power consumption includes a plurality of power supply modules and a power integration backboard. Each of the power supply modules includes an operating power modulation unit, a standby power modulation unit and a control unit connected to the standby power modulation unit.
Zippy Technology Corp.
Modified tunneling field effect transistors and fabrication methods
Tunneling field effect transistors and fabrication methods thereof are provided, which include: obtaining a gate structure disposed over a substrate structure; and providing a source region and a drain region within the substrate structure separated by a channel region, the channel region underlying, at least partially, the gate structure, and the providing including: modifying the source region to attain a narrowed source region bandgap; and modifying the drain region to attain a narrowed drain region bandgap, the narrowed source region bandgap and the narrowed drain region bandgap facilitating quantum tunneling of charge carriers from the source region or the drain region to the channel region. Devices including digital modulation circuits with one or more tunneling field effect transistor(s) are also provided..
Systems and methods of light modulation in eye tracking devices
An image of a user's eyes and face may be analyzed using computer-vision algorithms. A computing device may use the image to determine the location of the user's eyes and estimate the direction in which the user is looking.
The Eye Tribe Aps
Projector, display device, display system, and control display device
A projector includes an optical modulation section, a projection section, a driving section driving the optical modulation section, a selection section selecting at least one electronic apparatus, a storage section storing each user name of a plurality of electronic apparatuses, a reception section receiving an input by a user on a projection surface, and a projection image creation section creating a projection image. The projection image creation section reflects an image drawn on the basis of the input received by the reception section onto the projection image, creates a selection image including a user name stored in the storage section, and reflects the selection image onto the projection image.
Seiko Epson Corporation
Optical eye tracking
Methods, systems, and devices are disclosed for optical sensing and tracking of eye movement. In one aspect, a method for tracking the movement of an eye includes emitting a first modulated light and a second modulated light toward an eye of a user, wherein the first modulated light and the second modulated light have substantially the same modulation frequency, but the modulation phases of the two modulated lights are substantially opposite to each other; receiving at a photodetector module a returned light including at least a partial retroreflected light from the eye of the user based on the first and second modulated lights; and processing the output signal from the photodetector module to determine positional and dimensional parameters of the eye of the user based at least on the partial retroreflected light corresponding to the first and second modulated lights..
Method and system for writing nanoscale patterns
A method of performing nanolithography is disclosed, comprising use of an optical printing head that enables a super-resolution lithographic exposures compatible with conventional optical lithographic processes. The super-resolution exposures are carried out using light directed onto a data recording medium using plasmonic structures, and in particular using plasmonic structures using specially designed super-resolution apertures, of which the “bow-tie” and “c-aperture” are examples.
Fabrication pattern-formed structure
An object of the present invention is to provide a fabrication method for pattern-formed structure having a smooth three-dimensional structure through a fewer processes. To achieve the object, the present invention provides a fabrication method for pattern-formed structure comprising: a dot modulation pattern forming process of binarizing a shape of a targeted three-dimensional structure to form a dot modulation pattern, a writing process of using the dot modulation pattern to write directly by a writer on a photosensitive resin layer formed on a substrate, and a developing process of developing the photosensitive resin layer after the writing to form a resin layer with three-dimensional structure, wherein the writing process is performed by a writing energy supplying method in which writing energy is supplied to the photosensitive resin layer by an area larger than a minimum dot area in the dot modulation pattern..
Dai Nippon Printing Co., Ltd.
Electro-optical devices using dynamic reconfiguration of effective electrode structures
Variable liquid crystal devices for controlling the propagation of light through a liquid crystal layer use a frequency dependent material to dynamically reconfigure effective electrode structures in the device. The drive signal source uses pulse-width modulation to set a frequency and an amplitude of the drive signal..
High angular resolution low frequency radar with small antenna and high resolution low frequency ground penetrating radar
A ground-penetrating radar system or other low-frequency radar system that operates at a wavelength that is comparable to or larger than the dimensions of the transmitting and receiving antennas. In one embodiment, a radar transmitter includes two drive coils, misaligned with respect to each other, that produce respective field patterns, each modulated with a respective modulation.
Sub-diffraction limit resolution radar arrays
A phased array radar configured to transmit two or more slightly misaligned beams, for improved angular resolution. The transmitting array is split into two or more subarrays that transmit slightly misaligned beams that may have a common carrier frequency and each of which has a different modulation.
Method and system for protecting against electrical arcs implementing a modulation specific to a module of the acoustic wave accompanying an electrical arc
The invention also relates to a method for locating faults in such an electrical system.. .