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Matches 1 - 50 out of 1,605

Document Document Title
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2014/016682A3
A receiver may be operable to receive a QAM-based, inter- symbol correlated (ISC) signal at a signal-to-noise ratio of between 29 dB and 31dB and process the QAM- based, ISC signal to output estimated symbols at a symbol error rate of be...  
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...  
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...  
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 ...  
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...  
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...  
WO/2011/116362A8
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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.  
WO/2009/144129A3
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.  
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...  
WO/2009/081388A3
A terminal (24) for use in a wireless network (20) includes a radio frequency (RF) receiver (30), which is configured to receive and downconvert a RF signal. The RF signal includes downlink frames, each downlink frame including at least ...  
WO/2009/027463A3
A comparator comprises a differential input stage, a current source coupled to the differential input stage for providing a tail current to one side of the differential input stage, and a differential load coupled to the differential pai...  
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.  
WO/2008/109061A3
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.  
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...  
WO/2008/054703A3
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...  
WO/2008/046016A3
An efficient channel estimation system and method provides good performance under high Doppler conditions and is suitable for OFDM systems such as DVB-T. A number of different pilot interpolations techniques enable the estimation of chan...  
WO/2008/019287A3
A power amplifier includes a power amplifier core in which a transmit signal having an amplitude-modulated (AM) component and a phase-modulated (PM) component is passed and amplified, the power amplifier comprising a forward path, and an...  
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...  
WO/2008/005853A3
A digital audio system including a digital phase-locked-loop (26) circuit for generating a pulse- width-modulation (PWM) clock signal, applied to a pulse-code- modulation to pulse-width-modulation converter, is disclosed. The digital pha...  
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 ...  
WO/2007/092067A3
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...  
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...  
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...  
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...  
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, ...  
WO/2007/079481A3
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...  
WO/2007/070230A3
A low emission signal manipulating circuit for reducing emission of a given signal. This is accomplished by manupulating the signal and recovering the original signal. The inventive device includes a transmitter which modifies a given si...  
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...  
WO/2007/044749A3
Reconfigurable direct radio frequency (RF) bandpass sampling receivers are disclosed, and such receivers that utilize analog interpolation filters to improve performance are also disclosed. The reconfigurable direct bandpass sampling rec...  
WO/2007/044770A3
A method for determining a presence of a preamble for an orthogonal frequency division multiplexed (OFDM) complex valued sample stream may include capturing a portion of the OFDM complex valued (20) stream and autoconvolving the portion ...  
WO/2007/014377A3
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...  

Matches 1 - 50 out of 1,605