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WO/2020/176556A1 |
Amplitude-modulated (AM) signals spanning a spatial wide area can be efficiently detected using a slowly scanning optical system. The system decouples the AM carrier from the AM signal bandwidth (or carrier uncertainty), enabling Nyquist...
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WO/2020/119121A1 |
Techniques are described for peak-adaptive sampling demodulation for radiofrequency transceivers. For example, a tag input signal is received via an antenna, from which a clock input signal can be extracted. Multiple clock output signals...
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WO/2020/005221A1 |
An armature is presented. The armature includes an armature winding having a plurality of coils, wherein each coil of the plurality of coils is spaced apart from adjacent coils and comprise includes a first side portion and a second side...
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WO/2019/222558A1 |
A fluidized inertia table for separating materials between an upstream delivery station and a downstream receiving station is provided. The fluidized inertia table for separating materials creates a moment of inertia and/or rotary motion...
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WO/2018/170681A1 |
The present invention provides a serial PWM signal decoding circuit based on a capacitance charge-discharge structure, comprising: a time sequence logic generation circuit having an input end for receiving a PWM differential signal, wher...
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WO/2017/198860A1 |
The invention relates to a method for processing a signal formed of a sequence of pulses, comprising at least one repetitive pattern formed of at least one pulse, said pattern being repeated in the signal with a pattern repetition period...
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WO/2017/189365A1 |
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining, by a first device, that a second device is within range for direct communications and that the second device is capable o...
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WO/2017/112072A1 |
A wireless device, and corresponding method, having a receiver configured to receive a signal having in-phase and quadrature components; a non-linear filter demodulator configured to translate noncoherently the in-phase and quadrature co...
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WO/2016/139010A1 |
The invention relates to a method for detecting a control method of an inverter (11) for supplying current to an electric machine (1), in particular a synchronous machine, having N phases. The method comprises sensing a control signal (C...
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WO/2016/027676A1 |
This PWM demodulation circuit is provided with a counter unit which, in a certain pulse period of a PWM signal, counts up during a first period to obtain a first counter value which is then counted down in a second period, following the ...
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WO/2016/023862A1 |
The invention relates to a circuit for evaluating measurement signals of at least one sensor with a control circuit (18), wherein a drive signal having a first frequency is generated by means of a drive section (26) of the control circui...
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WO/2016/019964A1 |
The present invention relates to a system and a method for pulse width modulation and demodulation of a continuous input signal, which system is configured to receive a continuous input to an analog modulator, which system comprises a de...
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WO/2015/135163A1 |
The present invention relates to the field of communications. Disclosed is a signal processing device capable of solving the problem of high power consumption when a media access control (MAC) layer processes data in a multistage amplitu...
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WO/2015/069285A1 |
Described is an apparatus to lower power of a charge pump. The apparatus comprises: a first delay unit to receive a reference clock, the first delay unit to provide a delayed reference clock to a first sequential unit; a second delay uni...
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WO/2015/057923A1 |
A remote device in accordance with the present invention includes an adaptive power receiver that receives wireless power from the wireless power supply by induction. The adaptive power receiver may be switched among two or more modes of...
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WO/2014/015633A1 |
Provided are a shift register unit and a drive method therefor, a gate drive device and a display device. The shift register unit comprises an RS trigger, a pull-up thin-film transistor and a pull-down thin-film transistor, wherein the s...
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WO/2013/162403A1 |
Methods and systems to modulate and demodulate first and second path bits within sequences of pulses, where each pulse represents first and second path bits and is position-modulated and phase-modulated based on binary values of the c...
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WO/2013/110015A1 |
A pulse width modulated (PWM) signal (RXDATA) is received and, over a time interval (Tb) of the PWM signal, a first count (402A) is incremented when the PWM signal is at a first level (low), and a second count (402B) is incremented when ...
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WO/2012/170102A1 |
This invention describes a cognitive radio receiver architecture where multiple specialized receiver algorithms are executed in parallel. For example, maximal ratio combiner and beam forming algorithms may be running parallel. The receiv...
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WO/2012/093989A1 |
The present invention is for a method and apparatus to improve an Ultra Wideband (UWB) digital receiver's performance sensitivity. A transmitted signal stream has each data bit having multiple identical modulated pulses separated by a co...
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WO/2011/116362A1 |
A communications adaptor comprises a receiver circuit, which can comprise a signal input configured to receive a frequency shift keyed (FSK) signal; a delay circuit in communication with the signal input and including a delayed signal ou...
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WO/2011/094002A1 |
A method is provided tor enhancing a legacy satellite digital radio audio service (SDARS) by overlaying a hierarchically modulated data stream on a base layer (legacy) data stream to increase the amount of data transmitted in the SDARS s...
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WO/2011/080748A1 |
Embodiments herein propose to use extreme value theory (EVT) as a diagnostic to decide which taps are significant. In the low SINR scenario, embodiments herein also propose the following options; i) Fix the model order to a finite value ...
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WO/2011/066426A1 |
The invention is directed to a method and system for supporting wireless RF services over a wired digital data network infrastructure. The system includes a control unit that can be connected to a base station supporting wireless RF serv...
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WO/2011/060194A1 |
A receiver, in accordance with one embodiment of the present invention, includes a mixer, a filter, a received signal strength indicator, and a control loop. The mixer is adapted to convert the frequency of a received signal. The filter ...
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WO/2010/118990A1 |
A method of converting a periodic pulse width modulated input signal into a voltage output signal wherein the input signal is in an active state for a first portion of each of successive time periods and in an inactive state for a second...
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WO/2010/038166A2 |
Transceivers for wireless nodes often contain both a crystal and an acoustic wave device. The present invention directly uses an acoustic wave device for modulation and demodulation. As a result the crystal, which is both bulky and expen...
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WO/2009/144129A2 |
Method for determining the offset of a periodic signal, wherein an offset value that is caused by a level change of the signal is suppressed.
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WO/2009/117587A1 |
An ultra low-power transmission system for use with a battery-operated device. The ultra-low power transmission system comprises an encoded transmitter and an addressable ultra low power receiver. The ultra low-power receiver comprises a...
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WO/2008/109061A2 |
Methods and apparatus are described for time domain signals. A method includes creating a bipolar pulse whose high (up) and low (down) periods are separately and precisely controllable.
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WO/2008/054703A2 |
Embodiments according to the application relates to an OFDM (orthogonal frequency division multiplexing) receiving circuit and methods thereof configured to have a plurality of demodulation paths for an oversampling ADC, which can increa...
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WO2007014377B1 |
Information is modulated onto frequency components of a signal. The resulting modulated signal includes at least some redundancy in frequency enabling a portion of the information modulated onto selected frequency components to be recove...
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WO/2007/112156A2 |
Systems and methods for improving the stability of feedback and/or feed-forward subsystems in digital amplifiers. One embodiment comprises a digital pulse width modulation (PWM) controller. The controller includes an input for receiving ...
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WO/2007/092067A2 |
A receiver (e.g., for a 1OG fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-cha...
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WO2006107911B1 |
A system that includes a receiver (100) that is configured for: selecting (210) a set of demodulator output samples and a corresponding set of reference symbols; generating (220) a set of raw channel estimates based on the set of demodul...
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WO/2007/079481A2 |
A method for estimating a Doppler spread and a signal-to-noise ratio of a received signal includes: (a) calculating one or more functions of a carrier component of the received signal at a first time point relative to a pilot signal embe...
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WO2007005681A9 |
In a dual-channel HD radio receiver (40), when the broadband filter (421) channel is compromised, the broadband channel is inactivated and the narrowband channel is activated. By mixing the signals of the two channels during the change, ...
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WO/2007/044196A2 |
A method to determine the polarity of navigation data from weak satellite signals is disclosed. After bit edge is detected, a method in frequency domain is used to determine the present bit polarity with the help of several prior data bi...
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WO/2006/098875A2 |
A method of providing encoded data can include receiving a datum (1203). Responsive thereto, the datum can be encoded into a waveform pulse to reflect a position (1205) and phase (1207) corresponding thereto. A signal can be output with ...
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WO/2006/053421A1 |
In a method and device for demodulating a modulated digital signal, the digital signal is split and propagated through a plurality of signal paths. In each signal path, the digital signal is delayed by a given time delay to produce a del...
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WO/2006/044287A2 |
Apparatus and methods of ultra-wideband communication are provided. In one embodiment, an ultra-wideband receiver comprises an envelope detector that detects the amplitude of a received ultra-wideband signal and generates a waveform repr...
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WO/2006/036533A2 |
A communication device (202) converts a bit stream to multiple symbols and provides encryption at a physical layer by shifting a phase of each symbol of the multiple symbols to produce multiple encrypted symbols. Each encrypted symbol of...
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WO/2006/034922A1 |
The invention relates to an electrical machine and, in particular, a brush motor, comprising devices for dissipating heat from the electric motor, in which bearing points and brushes are, in particular, cooled.
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WO/2006/028628A1 |
A dual phase pulse modulation (DPPM) decoder circuit (Fig. 3) processes a DPPM signal, which is in the form (Fig. 28) of a series of high and low pulses whose pulse widths represent successive groups (e.g., 00, 01, 10, 11) of M data bits...
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WO/2006/000796A2 |
An electrical signalling system comprises a modulator arranged to accept information and encode that information in an alternating signal containing repeated rising and falling edges, the encoding being by way of the time between consecu...
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WO/2005/119901A1 |
A wireless receiver (200) for receiving and demodulating a frequency modulated RF signal by a direct conversion procedure comprising an input signal path (101), a local oscillator (111), a first mixer (107) for mixing an output reference...
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WO/2005/101773A1 |
[PROBLEMS] To realize a highly-reliable, stable digital data transmission without the need of reference clock and shake-hand operation. [MEANS FOR SOLVING PROBLEMS] A digital data transmission method for alternatively and periodically tr...
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WO/2005/099093A1 |
Methods and apparatus for computing the carrier frequency of a transmitter using frequency modulated digital data to compensate for frequency shifting of the transmitter and the receiver local oscillators and for bandwidth adjustment of ...
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WO/2005/096575A1 |
A mobile station (10) includes a plurality of sub-assemblies coupled together by a plurality of data communication buses (22) connected to ports (20). At least one port includes a Multi-level Analog Signaling (MAS) circuit arrangement th...
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WO/2005/084288A2 |
A sub-harmonic mixer having at least one diode ring array used for up-conversion in a transmitter and for down-conversion in a receiver. Each diode ring array has a plurality of (e.g., four) diode rings arranged in parallel. The diode ri...
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