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This page is updated frequently with new Modulation-related patent applications. Subscribe to the Modulation RSS feed to automatically get the update: related Modulation RSS feeds. RSS updates for this page: Modulation RSS RSS


Orthosis for a gait modulation system

Orthosis for a gait modulation system

Multi-directional deflectable catheter apparatuses, systems, and methods for renal neuromodulation

Multi-directional deflectable catheter apparatuses, systems, and methods for renal neuromodulation

Multi-directional deflectable catheter apparatuses, systems, and methods for renal neuromodulation

Integrated delivery and visualization tool for a neuromodulation system

Date/App# patent app List of recent Modulation-related patents
10/09/14
20140304315
 Low delay modulated filter bank patent thumbnailLow delay modulated filter bank
The document relates to modulated sub-sampled digital filter banks, as well as to methods and systems for the design of such filter banks. In particular, the present document proposes a method and apparatus for the improvement of low delay modulated digital filter banks.
10/09/14
20140303705
 Orthosis for a gait modulation system patent thumbnailOrthosis for a gait modulation system
A functional electrical stimulation (fes) orthosis for fes to a limb segment, including: (a) a semi-rigid, self-retaining c-shaped frame, the frame configured to substantially envelop the limb segment, the frame including a first flexible and elongated circumferentially retaining element and at least a first and a second opposing flexible and elongated circumferentially retaining elements disposed on the circumferentially opposite side of the frame, the first retaining element and the first opposing retaining element forming a pair of opposing retaining elements, and (b) a surface electrical stimulation electrode for contacting at least one stimulation point on a surface of the limb segment, associated with, and supported by, the frame, the surface electrode for electrically associating, via the frame, with a neuroprosthetic stimulator unit, so as to provide fes, wherein the opposing retaining elements are configured to be radially spring-loaded towards a center of the frame, such that in donning the orthosis around the limb segment, the limb segment applies a counter-pressure from within the frame, against the opposing retaining elements, such that the orthosis is firmly and fixedly self-retained in a pre-determined position on the surface.. .
10/09/14
20140303618
 Multi-directional deflectable catheter apparatuses, systems, and methods for renal neuromodulation patent thumbnailMulti-directional deflectable catheter apparatuses, systems, and methods for renal neuromodulation
Multi-directional deflectable catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a catheter treatment device comprising an elongated shaft.
10/09/14
20140303436
 Integrated delivery and visualization tool for a neuromodulation system patent thumbnailIntegrated delivery and visualization tool for a neuromodulation system
Methods and apparatus for delivering a neurostimulator to a target tissue are provided which may include any number of features. One feature is a delivery tool comprising a handle portion, an elongate shaft comprising a contoured distal portion, a visualization system embedded in the elongate shaft, and an insertion groove on the elongate shaft configured to deploy the neurostimulator.
10/09/14
20140303424
 Methods and systems for diagnosis and treatment of neural diseases and disorders patent thumbnailMethods and systems for diagnosis and treatment of neural diseases and disorders
The invention disclosed herein relates to methods and systems for modulating activity of a nervous system component. Neural pattern recognition is used to identify a neurological and/or psychiatric disease or disorder based on input generated by electric signals indicative of the subject's brain activity.
10/09/14
20140303235
 Linkage modified gapped oligomeric compounds and uses thereof patent thumbnailLinkage modified gapped oligomeric compounds and uses thereof
The present invention provides gapped oligomeric compounds. More particularly the gapped oligomeric compounds provided herein comprise at least one modified intemucleoside linkage in the gap region.
10/09/14
20140303234
 Methods for the modulation of angiogenesis patent thumbnailMethods for the modulation of angiogenesis
The present invention relates to methods and compositions for promoting or inhibiting capillary endothelial (ce) cell migration, promoting or inhibiting the formation of ce networks and promoting or inhibiting angiogenesis. Some embodiments relate to methods and compositions for treating angiogenesis-related disorders characterized by loss or decreased angiogenesis.
10/09/14
20140303196
 Salts of the janus kinase inhibitor (r)-3-(4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl)-3-cyclopentylpropanenitrile patent thumbnailSalts of the janus kinase inhibitor (r)-3-(4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl)-3-cyclopentylpropanenitrile
The present invention provides salt forms of (r)-3-(4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl)-3-cyclopentylpropanenitrile that are useful in the modulation of janus kinase activity and are useful in the treatment of diseases related to activity of janus kinases including, for example, immune-related diseases, skin disorders, myeloid proliferative disorders, cancer, and other diseases.. .
10/09/14
20140303187
 Compounds and methods for kinase modulation, and indications therefor patent thumbnailCompounds and methods for kinase modulation, and indications therefor
Compounds active on protein kinases are described, as well as methods of using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.. .
10/09/14
20140303176
 Acylaminocycloalkyl compounds suitable for treating disorders that respond to modulation of dopamine d3 receptor patent thumbnailAcylaminocycloalkyl compounds suitable for treating disorders that respond to modulation of dopamine d3 receptor
R5 is inter alia c1-c6 alkyl, fluorinated c1-c3 alkyl, c1-c2-alkoxy-c1-c4-alkyl, fluorinated c1-c2-alkoxy-c1-c4-alkyl, hydroxy-c1-c4-alkyl, fluorinated hydroxy-c1-c4-alkyl, oxetanyl, fluorinated oxetanyl, oxolanyl, fluorinated oxolanyl, c3-c5 cycloalkyl, fluorinated c3-c5 cycloalkyl, etc.. .
10/09/14
20140303078
Modulation of pancreatic beta cell proliferation
Work described herein provides, in one embodiment, a method for increasing proliferation or replication of pancreatic beta cells in a subject in need thereof, comprising administering to said subject an effective amount of an agent that increases the level or activity of hepatocellular carcinoma-associated protein td26 (td26), thereby increasing proliferation or replication of pancreatic beta cells. Such an agent may function by, for example, increasing the level of active td26 in the subject or by increasing the functional activity of td26 in the subject..
10/09/14
20140302887
Pattern indicator signal for new dmrs pattern
A small cell station communicates with user equipment utilizing a reduced overhead demodulation reference signal (drms) pattern when good channel conditions are detected. An indicator field is used to identify whether a reduced overhead drms pattern is being transmitted.
10/09/14
20140302806
Unidirectional sampling mixer
A unidirectional sampling mixer utilizes a stepped phase modulation to shift the frequency of an input signal. An rf input signal is supplied to an rf input switch from an rf input port.
10/09/14
20140302801
Cellular phone and apparatus for tuning to a selected frequency modulation station and downconverting a corresponding radio frequency signal for audio play out
A cellular phone including a transceiver and a processing module. The transceiver receives, from a device separate from the cellular phone, a radio or intermediate frequency signal.
10/09/14
20140302788
Smartphone proximity card emulation
Methods, systems, and computer program products are provided that enable a portable computing device to emulate a proximity card. A portable computing device is provided that includes an antenna, storage that stores an identification number, and a processor.
10/09/14
20140302149
Selective chemokine modulation
A method of treating or preventing a disease characterized by adverse expression and/or release of 10 kda interferon-γ inducible protein, ip-10, comprises administering granules or particles made of a metal or an oxide of a metal to a subject suffering from the disease. A method of reducing ip-10 in a subject suffering from a disease characterized by adverse expression and/or release of ip-10 comprises administering granules or particles made of a metal or an oxide of a metal to the subject.
10/09/14
20140301978
Methods for using 1,2,4-oxadiazole benzoic acid compounds
Novel 1,2,4-oxadiazole benzoic acid compounds, methods of using and pharmaceutical compositions comprising an 1,2,4-oxadiazole benzoic acid derivative are disclosed. The methods include methods of treating or preventing a disease ameliorated by modulation of premature translation termination or nonsense-mediated mrna decay, or ameliorating one or more symptoms associated therewith..
10/09/14
20140301741
Fast optical receiver
A method for optical transmission of high speed data and an optical receiver for receiving such high speed data is provided. The method includes transmitting an optical signal having a first logic-high and first logic-low defining a first modulation amplitude that is sub-band modulated with a toggling signal having a first toggling amplitude with a first modulation index, receiving the optical signal with an optical receiver circuit and converting the optical signal to an intermediate electrical signal, ies, having: a second logic-high and a second logic-low defining a second modulation amplitude, and a second toggling amplitude having a second modulation index, providing a decision threshold relative to the ies as a function of the second modulation amplitude, and adjusting the threshold by determining the second toggling amplitude and adjusting the threshold relative to the ies based on proportionality between the second toggling amplitude and the second modulation amplitude.z..
10/09/14
20140301736
Directly modulated multi-level optical signal generator and method thereof
A directly modulated multi-level optical signal generator and a method thereof are provided. The multi-level optical signal generator includes n number of direct modulation lasers (dmls) configured to directly modulate source light into a 2-level optical signal, and an optical power combiner configured to combine n number of 2-level optical signals directly modulated by the respective dmls to generate a 2n-level optical signal..
10/09/14
20140301734
Optimizing optical systems using code division multiple access and/or orthogonal frequency-division multiplexing
An optical receiver comprises an optical port configured to receive an encoded optical signal, and a demodulation block indirectly coupled to the port and comprising a multiplexer, wherein the multiplexer is configured to receive an encoded electrical signal, wherein the encoded electrical signal is associated with the encoded optical signal, and wherein the encoded electrical signal is encoded using a code division multiple access (cdma) scheme, receive a code associated with the scheme, perform a dot multiplication of the encoded electrical signal and the code, and generate a differential voltage based on the dot multiplication.. .
10/09/14
20140301693
Optical modulator using waveguides
In accordance with an optical modulator using waveguides of the present invention, the reflection phenomenon of light is used, so that the optical modulator is neither sensitive to the wavelength, mode, polarization, intensity, beam size, etc. Of light, nor sensitive to the temperature, the waveguide size, the uniformity of a refractive index, carrier doping concentration, changes in control voltage/current, etc., thus obtaining stable optical modulation characteristics.
10/09/14
20140301512
Methods and apparatus for joint demodulation with max-log map (mlm)
Certain aspects of the present disclosure relate to techniques and apparatus for performing joint demodulation using a max-log map algorithm in wireless communications systems. An exemplary method generally comprises receiving a signal comprising one or more serving streams and one or more interfering streams; and processing the signal by performing joint demodulation using a max log map (mlm) algorithm for at least one of the one or more serving streams or at least one of the one or more interfering streams..
10/09/14
20140301505
Receiving device and receiving method
A receiving device including: a demodulation circuit configured to generate first likelihood data of reception symbols based on a transmission format of the reception symbols, the transmission format being selected from transmission formats and including a modulation scheme applied to the reception symbols, the modulation scheme being one of amplitude modulation schemes, a processor configured to estimate a scale ratio of an implementation scale to a theoretical scale, the implementation scale being a scale of the first likelihood data, the theoretical scale being a scale of second likelihood data of the reception symbols, the second likelihood data being defined by a theory and not depending on an implementation of the receiving device, and to generate the second likelihood data based on the first likelihood data and the scale ratio, and a decoding circuit configured to decode the second likelihood data based on the transmission format.. .
10/09/14
20140301500
Communication device and communication method
A computational processor uses a binary signal, being a set of 1- or 0-valued elements of a same number as a number of elements in an input signal, to generate computational data whose elements are exclusive or values between each element of the input signal and a corresponding element in the binary signal at a same position. The modulator 13 modulates the input signal and the computational data according to a primary modulation scheme, and generates primary-modulated signals.
10/09/14
20140301497
Rate-adaptive multiple input/multiple output (mimo) systems
A rate-adaptive method of communicating over a multipath wireless communication system uses multiple links such that each end of a link uses multiple transmit and receive antennas. A number of independent streams that are to be transmitted for each link is determined based on an overall system performance measure.
10/09/14
20140301491
Power line data transmitter
A power line data transmitter includes a power circuit including a transistor and a modulation circuit. The transistor has an input terminal to which a voltage of a dc power source is inputted from a dc power line, a control terminal applied with a constant voltage bias, and an output terminal supplied with an electric power.
10/09/14
20140301490
Ingress-mitigated rf cable plants and ingress mitigation methods for same
An rf hardline coaxial cable plant to facilitate voice and/or data services to subscriber premises in one or more neighborhood nodes of a cable communication system by conveying upstream information over an upstream path bandwidth. One or more upstream radio frequency (rf) signals have a carrier frequency of between approximately 5 mhz and 19.6 mhz and are modulated using quadrature amplitude modulation (qam) with voice and/or data information constituting at least some of the upstream information.
10/09/14
20140301430
Code generating apparatus, reference signal generating apparatus, and methods thereof
A code generating apparatus, demodulation reference signal generating apparatus, and methods thereof. The demodulation reference signal generator includes generating a non-correlation sequence for rs of a first resource block; spreading spectrums of elements in the non-correlation sequence for rs to be mapped to a first frequency resource of the first resource block, by using a first group of codes; second spreading spectrums of elements in the non-correlation sequence for rs to be mapped to a second frequency resource of the first resource block, by using a second group of codes; the first and second frequency resources are adjacent frequency resources in frequency resource elements used for rs transmission in the first resource block, and the first and second groups of codes are mirrors in column to each other; and mapping the spectrum-spread elements to the first and second frequency resources, respectively..
10/09/14
20140301428
Transmission/reception of microwave signals broadcast by a satellite with an interactive return link using a spread spectrum protocol
A transmission/reception installation for microwave radio signals, including a unit for transmission/reception including a receiver for receiving the electric signals from the conversion of radio signals received via a terrestrial or satellite link, referred to as forward-link signals, a demodulator for demodulating the electric signals using a first modulation/demodulation protocol, a modulator for modulating electric signals using a second modulation/demodulation protocol that is different than the first protocol, the second protocol being a spread-spectrum protocol, the modulator modulating the signals demodulated by the demodulator, and a converter for converting the electric signals modulated using a spread-spectrum protocol into radio signals that can be transmitted via a satellite link. The installation also includes one or more boxes including a modulator for modulating the electric signals using the first modulation/demodulation protocol, and a coaxial cable connecting the unit for transmission/reception to the boxes..
10/09/14
20140301417
Pulsed, internal optical mixer
Pulsed, coherent light is generated by optical mixing which takes place inside the resonator of a pulsed laser oscillator. One of the beams to be mixed is generated by the pulsed laser, and the other by a distinct, external laser oscillator.
10/09/14
20140301358
Code generating apparatus, reference signal generating apparatus, and methods thereof
A code generating apparatus, demodulation reference signal generating apparatus, and methods thereof. The demodulation reference signal generator includes generating a non-correlation sequence for rs of a first resource block; spreading spectrums of elements in the non-correlation sequence for rs to be mapped to a first frequency resource of the first resource block, by using a first group of codes; second spreading spectrums of elements in the non-correlation sequence for rs to be mapped to a second frequency resource of the first resource block, by using a second group of codes; the first and second frequency resources are adjacent frequency resources in frequency resource elements used for rs transmission in the first resource block, and the first and second groups of codes are mirrors in column to each other; and mapping the spectrum-spread elements to the first and second frequency resources, respectively..
10/09/14
20140301356
Data transmission method, base station, and user equipment
Embodiments of the present invention provide a data transmission method, a base station, and a user equipment. The data transmission method includes: determining, by a base station, a modulation and coding level and a time-frequency resource, and determining, in a first or second modulation and transport block size index table, a tbs index and a modulation mode, where a second tbs index is not smaller than a first tbs index; and sending service data and a system scheduling control signal to a user equipment by adopting the selected tbs.
10/09/14
20140301346
Method and apparatus for transceiving downlink control channel in wireless communication system
The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for transceiving a downlink control channel. A method for a base station to transmit a downlink control channel in a wireless communication system according to one embodiment of the present invention comprises the steps of: selecting a resource element (re) to which a demodulation reference signal (dmrs) is mapped; selecting an re to which a downlink control channel is mapped; and transmitting the dmrs and the downlink control channel from the selected res to a terminal, wherein the res to which the downlink control channel is mapped constitute at least one resource element group (reg), and one or more regs may be located on an orthogonal frequency division multiplex (ofdm) symbol on which the dmrs is mapped..
10/09/14
20140301345
Method for receiving uplink signal, base station, method for transmitting uplink signal and user equipment
A predetermined number of cyclic shift values are defined for a demodulation of uplink data. An available portion of the cyclic shift values from among the cyclic shift values is transmitted to user equipment.
10/09/14
20140301321
Method and apparatus for transmitting control information in a wireless communication system
A method for transmitting a signal via physical uplink control channel (pucch) in a wireless communication system and an apparatus for performing the method are provided. Control information bits are modulated to generate n1 modulation symbols, wherein n1 is twice a number of subcarriers in one resource block (rb).
10/09/14
20140301318
Method and apparatus for sending and receiving a downlink data block of a packet data service
The present disclosure relates to a method and an apparatus for sending and receiving a downlink data block of a packet data service. A network side adds indication information of downlink data modulation modes to a downlink data block, where the downlink data block includes first information and second information; the network performs symbol mapping processing on the first information by using a first modulation mode to obtain a first modulated signal; the network performs symbol mapping processing and data pre-processing on the second information by using a second modulation mode to obtain a second modulated signal; the network combines these two modulated signals to obtain an aggregate modulated signal; and the network sends the aggregate modulated signal.
10/09/14
20140301306
256qam signal transmission/reception method and apparatus for use in mobile communication system
A method and an apparatus for transmitting and receiving signals modulated with 256 quadrature amplitude modulation (256qam) for use in a mobile communication system are provided. The method includes receiving a first signal from a terminal, determining a modulation application criterion for data communication with the terminal based on the first signal, receiving a second signal including an index from the terminal, and determining a modulation scheme to be applied to at least one of the signals communicating with the terminal based on the modulation application criterion and the received index..
10/09/14
20140301238
Method and apparatus for measuring channel quality indicator in wireless communication system
Provided are a method and an apparatus for measuring channel quality indicator in a wireless communication system. User equipment receives, from a base station, at least one of a cell-specific reference signal (crs) which is cell-specifically transmitted and a channel state information reference signal (csi rs).
10/09/14
20140301220
Method and apparatus for interference control in a multi-cell communication system
Methods and apparatus disclosed maximize the capacity of serving cells and minimize inter-cell interferences due to power emission from serving cells in a multi-carrier, multi-cell communication system. The control methods and apparatus take into account various factors such as cell configuration, frequency reuse, geometry and path-loss information, transmission priority, subchannel configuration, feedback from other cells, or any combination thereof, and produce signals that control the transmission power levels and the modulation and coding of transmitted signals..
10/09/14
20140300984
Circuits and methods for cancelling a reflected wave
Method and circuits for cancelling reflected waves from a load are disclosed. An embodiment of the method includes transmitting a signal to the bad from a current source, wherein a transistor is connected in parallel with the current source at a node.
10/09/14
20140300968
Cascade method and apparatus for generating increased duality modulation of electromagnetic radiation
A method and apparatus for increasing duality modulation of electromagnetic radiation beyond levels achievable by individual duality modulation generators where duality modulation imparts to radiation a disproportion of irradiance and wave intensity. Various techniques are disclosed for configuring a multiplicity of individual duality modulation generators in a cascade such that initially input radiation acquires cumulative increments of duality modulation upon traversing the cascade of individual generators..
10/09/14
20140300840
Directional backlight with a modulation layer
A directional backlight is disclosed. The directional backlight has a directional backplane that has a plurality of directional pixels to scatter a plurality of input planar lightbeams into a plurality of directional lightbeams.
10/09/14
20140300718
Camera for acquiring optical properties and spatial structure properties
A camera device for acquiring optical properties in a plurality of different wavelength ranges and spatial structure properties of an object includes a beam splitter for splitting light coming from an object into the plurality of different wavelength ranges; a first image sensor for generating a first sensor signal related to a first predetermined wavelength range; a first signal processing device for generating a first intensity image signal and a distance image signal using information about the temporal modulation of illumination light (m) and the first sensor signal; at least one second image sensor for generating a second intensity image signal for a second predetermined wavelength range; and a second signal processing device for generating a color image signal from the first intensity image signal and the second intensity image signal.. .
10/09/14
20140300713
Stereoscopic three dimensional projection and display
A hardware and software independent method and system of providing three-dimensional stereoscopic presentations of simulations which lack 3d stereoscopic graphics is provided wherein advanced graphics features such as view modulation, user tracking, geometry warping, edge blending and interweaved views, are each provided in stereoscopic 3d, allowing for raster-based and projector-based screen projection including multiple tile presentations. Further provided are hardware and software independent motion inputs for simulator seats based on the motion effects produced in simulator applications lacking motion output for simulator seats via translation of simulator camera data into motion input..
10/09/14
20140300701
3d image acquisition apparatus and method of generating depth image in the 3d image acquisition apparatus
Provided are a three-dimensional (3d) image acquisition apparatus, and a method of generating a depth image in the 3d image acquisition apparatus. The method may include sequentially projecting a light transmission signal, which is generated from a light source, to a subject, modulating reflected light, which is reflected by the subject, using a light modulation signal, calculating a phase delay using a combination of a first plurality of images of two groups, from among a second plurality of images of all groups obtained by capturing the modulated reflected light, and generating a depth image based on the phase delay..
10/09/14
20140300544
Projector and electronic device having projector function
A projector includes a laser beam scanning portion, a light detecting portion, and a control portion performing control of predicting a prediction region where a detection object exists on the basis of detection of the detection object, changing a modulation pattern of a laser beam when the laser beam is scanned on the prediction region, acquiring the position of the detection object on the basis of reflected light of the laser beam emitted in a detection object detection pattern, and setting the position of the detection object to an indication position.. .
10/09/14
20140300528
Display apparatus and illumination unit
An illumination unit capable of obtaining high luminance and a display apparatus including it are provided. The illumination unit includes an illumination optical system generating the illumination light, and a lens sheet narrowing a divergence angle of the illumination light.
10/09/14
20140300448
In-vehicle communication system, mobile device, communication system, and communication method
An in-vehicle device stores a wake up pattern, which notifies a mobile device of a start of communication, in an area before a data storage area of a frame and transmits the frame, the mobile device includes a modulation/demodulation circuit and a microcomputer that perform a predetermined reception process on a reception signal, a pattern determination circuit that, when the reception signal includes a wake up pattern, determines to start communication and activates the modulation/demodulation circuit and the microcomputer, a power detection circuit that detects power of the reception signal, and, when power is detected for a certain period of time or longer, activates the pattern determination circuit, and a wake-up control unit that activates the power detection circuit for a predetermined time with a constant period during a time period other than during communication.. .
10/09/14
20140300427
Lookup table assisted pulse width modulation
Embodiments are directed to modulating a pulse width modulation (pwm) signal, by initializing at least one phase index to an initial value, establishing a set of values in a lookup table that correspond to data points for pwm comparator values that correspond to a given number of samples of a single periodic waveform during a predetermined sampling rate that establishes a table resolution, repeatedly executing the following operations at the predetermined sampling rate: determining a value of a command signal frequency, setting a value to a jump factor equal to the quotient of the value of the command signal frequency divided by the table resolution, progressing the value of the phase index by the value of the jump factor, selecting a value of a commutation vector from the lookup table that corresponds to the phase index, and loading the value of the commutation vector into a corresponding pwm comparator.. .
10/09/14
20140300326
Electronic device with a duty cycle estimator
A circuit in an electronic device coupled to a battery via a first pair of switches includes a logic unit and a filter. The logic unit receives a pulse width modulation (pwm) signal and a first signal, and generates a second signal according to the pwm signal and the first signal.
10/09/14
20140300300
Method for controlling a brushless electric motor
The invention describes a method for controlling a sensorless, brushless dc motor that is controlled via a bridge circuit preferably using pulse width modulation (pwm) having precommutation. According to the invention, in the braking operation each commutation interval is divided into two phases.
10/09/14
20140300284
Color tunable light source module with brightness and dimming control
Led-based light source modules can incorporate color tunability and brightness control, allowing a user to select a desired color temperature and/or brightness and to change either or both dynamically. An emitter can include multiple independently addressable groups of leds, each emitting light of a different color.
10/09/14
20140300283
Color tunable light source module with brightness control
Led-based light source modules can incorporate color tunability and brightness control, allowing a user to select a desired color temperature and/or brightness and to change either or both dynamically. An emitter can include multiple independently addressable groups of leds, each emitting light of a different color.
10/09/14
20140300282
Control of the intensity of a led lighting system
There is described a system and method for controlling the intensity of a lighting system for vehicles comprising light emitting diodes mounted on printed circuit boards (pcbs). The method comprises sending a first modulation signal to the lighting modules from a master controller upon detection of a presence of power from a power source by the master controller; and sending a second modulation signal to the lighting modules from the master controller upon detection of an absence of power from a power source by the master controller.
10/09/14
20140300197
Amplitude modulation circuit and non-contact power feeding device
An amplitude modulation circuit includes a resonance circuit powered by an oscillator and comprising a power transmission coil with a first coil portion, a second coil portion, a modulation coil, and a resonance condenser; and a switch that switches between a state where the first coil portion and the second coil portion are connected in series and a state where the first coil portion and the modulation coil are connected in series according to a level switching timing of transmission data and a timing when a coil current in the resonance circuit becomes zero. The combined inductance of the first coil portion and the second coil portion connected in series and a combined inductance of the first coil portion and the modulation coil connected in series are equal..


Popular terms: [SEARCH]

Modulation topics: Modulation, Duty Cycle, Reference Voltage, Comparator Circuit, Backlight Unit, Liquid Crystal Display, Liquid Crystal, Frequency Modulation, Intermodulation Distortion, Rf Switch Circuit, Frequency Detector, Holographic, Terrestrial, Ground Segment, Transponder

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