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Patent Searching and Data


Matches 301 - 350 out of 3,386

Document Document Title
WO/2007/114523A1
In an apparatus for converting an analog signal having a high periodicity to a digital signal by use of an A/D converter for a digital processing, the occurrence of spurious output caused by a malfunction of the A/D converter can be redu...  
WO/2007/115250A2
A pulse width modulation (PWM) generator having asynchronous updating of its PWM duty cycle and/or period values allows immediate correction for the new PWM duty cycle and/or period values instead of waiting until the end of a PWM period...  
WO/2007/101014A2
A hybrid digital pulse width modulator can have a delay line with digitally programmable delay cells. The digitally programmable delay cells can be adjusted by a digital correction signal from a delay matching circuit.  
WO/2007/087766A1
The invention relates, inter alia, to an arrangement (10) for converting a first digital signal (Uh) with a first voltage swing into a second digital signal (Un) with a voltage swing which is smaller than the first voltage swing. The inv...  
WO/2007/083281A1
A system and method for Cartesian modulation achieved via generation of a three-level pulse width modulated signal. The system in overview comprises two binary pulse width modulated signal generators receiving signals related to the in-p...  
WO/2007/081327A1
A method and apparatus modulate a polarity of a burst of pulses of the impulse radio signal using a first pseudo noise sequence generated by a shift register and a position of the burst of pulses using a second pseudo noise sequence gene...  
WO/2007/077821A1
A stepwise control signal (S1) generated from a control signal generator (1) and a triangular carrier signal (S2) generated from a carrier generator (2) are compared by a digital comparator (3) and its comparison signal (S3) is provided ...  
WO/2007/055519A1
Disclosed is a constant current driving circuit for driving a constant current in the form of a Pulse Width Modulation (hereinafter referred to as "PWM") current (hereinafter referred to as "PWM constant current"), and a Light Emitting D...  
WO/2007/046363A1
After a moment in time when the level of an output signal (S4) is inverted by first and second short circuit FETs (55, 56) as a circuit for inhibiting level inversion, the inverted state is sustained and level inversion is inhibited. At ...  
WO/2007/048014A2
A system for and method of reducing power consumed by an electronic system is disclosed. The system includes an energy controller for controlling power to one or more functional modules or regions on the electronic system. Each of the fu...  
WO/2007/040814A1
A clock oscillator system for use in providing the switching regulator duty cycle control in a fixed frequency (no cycle skipping) operation is provided. In one embodiment, the circuit according to the invention uses an analog feedback l...  
WO/2007/036464A2
The invention relates to a frequency modulation switching circuit (1) for controlling a useful circuit (30), said switching circuit comprising an integrated component (10) provided with a saw tooth generator (11) for generating a saw too...  
WO/2007/031940A2
Generating an output pulse signal (Y), which has an output signal period (Ty), which is divided by a magnitude transition into a leading part (LP) and a trailing part (TP). During each output signal period (Ty) altering means (27 to 36) ...  
WO/2007/031840A1
A PWM signal generating circuit according to the invention includes a digital PWM signal generating circuit that generates a digital PWM signal having a resolution of 2n based on a clock signal CLK and n-bits (n ≥ 1) of digital informa...  
WO/2007/028236A2
The present application describes a method and filter for shaping a series of pulses spaced in time for subsequent transmission in a communications system, each of the pulses having a magnitude comprising the steps of providing a generic...  
WO/2007/028275A1
The prevent invention provides a pulse generating circuit and a circuit which utilizes the pulse generating circuit to implement LCD gray scale. Said LCD gray scale implementing circuit possesses pulse generating unit, gray data reading ...  
WO/2007/019498A2
A method for coding time signals based on generating an asynchronous biphasic pulse train is provided. The method includes generating response signals based upon one or more input signals. A pulse comprises a positive pulse if a voltage ...  
WO/2007/005109A2
Methods, system (10), and computer programs for compensating for jitter in a communication system are described. A transfer function of a transmission medium (16) is measured and an output signal (20) that results from propagating an inp...  
WO/2007/000943A1
A counter circuit (6) increments the count value by one in synchronization with a clock pulse received from an oscillating part (4). A lower-order decoder (12) receives a count value from the counter circuit (6) and compares a lower-orde...  
WO/2006/124155A2
A digital amplifier system for driving a capacitive load includes a digital amplifier controller responsive to a digital input command for producing a pulse density modulation signal representative of the digital input command; a switchi...  
WO/2006/121260A1
There is provided a method and apparatus for output pulse width modulation in a digital amplifier including: a determining step of adding or subtracting a value corresponding to a predetermined offset to or from an input audio signal alt...  
WO/2006/106718A1
An impulse waveform generating apparatus comprises a multistage delay pulse signal generating part for generating a plurality of delay pulse signals from a timing signal; a signal source signal generating part for generating, from the de...  
WO/2006/102315A2
A system communicates data and includes an encoder for encoding communications data with a forward error correction cod (102). A data randomizer (106) randomizes the communication data with a random bit sequence and a combining circuit (...  
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 ...  
WO/2006/097718A2
A method and apparatus, for displaying the value of an operating parameter of an electronically controlled power unit such as an internal combustion engine, comprising: deriving a signal from an ECU of the power unit to represent the ope...  
WO/2006/071197A1
Disclosed is a novel design of a fully integrated UWB transmitter. The transmitter includes a pulse generator, a pulse modulator, and an ultra-wideband drive amplifier. A new low voltage low power pulse generator circuit is disclosed whi...  
WO/2006/063192A1
Methods and systems for modulating (508) a radio frequency signal by a continuous-time signal are presented. More particularly, techniques and systems for converting an analog signal (202) to a continuous-time digital signal and using th...  
WO/2006/061802A1
A data transmission and reception method includes transmitting a plurality of position data bits and a amplitude bits with each of the pulses. The method also includes decoding the position bits and the amplitude bits. An ultra-wideband ...  
WO/2006/059367A1
A pulse modulator circuit comprising a pulse modulation mixer that receives a local oscillating wave and a first pulse wave and mixes a 2n multiple of the local oscillating wave (where n is an integer) with the first pulse wave to output...  
WO/2006/060170A1
A microcontroller having digital to frequency converter and pulse frequency modulator capabilities. The digital to frequency converter (DFC) generates a 50 percent duty cycle square wave signal that may be varied in frequency, wherein th...  
WO/2006/051735A1
A modulating circuit that is configured by use of a simple structure so as to increase the amount of information to be transmitted. A transmitting apparatus capable of easily generating a desired waveform even for any very short wavelets...  
WO/2006/039290A2
A circuit for generating a spread frequency spectrum waveform with shaped frequency spectrum distribution. A waveform generator has a spread spectrum waveform generating circuit (1) that generates a waveform with a spread spectrum and a ...  
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...  
WO/2006/023427A2
A pulse width modulation (PWM) generator featuring very high speed and high resolution capability and the ability to generate standard complementary PWM, push-pull PWM, variable offset PWM, multiphase PWM, current limit PWM, current rese...  
WO/2006/020503A2
A digital timing read back and an adaptive feedforward compensation algorithm to reduce harmonic distortion is disclosed. More specifically, the approach generates harmonic components digitally with the same magnitude but at an opposite ...  
WO/2006/015000A2
A method is disclosed for generating pulse width modulated pulse control signals for controlling switches in a switching power supply. First, a count value is determined of a master clock (5618) within a switching cycle of the power supp...  
WO/2006/009159A1
A clock generation circuit enabled to adjust the quantity of diffusion of a desired spectrum easily and reduced in unnecessary radiation. A clock generation circuit (100) comprises a PLL circuit (60) and a jitter addition circuit (20). T...  
WO/2006/000088A2
Disclosed is a method and apparatus for amplitude modulation of an RF transmit signal using pulse width modulation to control an amount of energy within each period. The apparatus includes a signal processing circuit with an input port f...  
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...  
WO/2005/119910A2
A system and method to transport high bit-rate data over wired or wireless means using specially modulated radio frequency carrier waves using an integer cycle or impulse modulation detection method where the signal to be demodulated is ...  
WO/2005/117256A1
It is possible to intermittently output the oscillation signal depending on a pulse signal indicating the transmission timing of a radar wave without causing any leakage. Instead of the configuration of the conventional radar oscillator ...  
WO/2005/114838A1
A method and apparatus (100) having a digital pulse width modulation generator (110) with integral noise shaping is provided. The apparatus for generating a digital pulse width modulation signal includes a random period signal generator ...  
WO/2005/101285A1
A time-mode analog computation is provided. The time-mode analog computation circuit includes one or more inputs for receiving one or more temporal input signals. The time-mode analog computation circuit further includes circuitry for pe...  
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...  
WO/2005/074135A1
The invention is a system for selecting a peripheral, the peripheral receiving a first clock frequency. The invention comprises the following. A processing circuit receives a second clock frequency, where the first and second clock frequ...  
WO/2005/065070A2
A system and method for generating transmit weighting values (514) for signal weighting that may be used in various transmitter and receiver structures is disclosed herein. The weighting values are determined as a function of frequency b...  
WO/2005/057787A1
A bi-phase modulator for Ultra Wideband (UWB) waveforms uses a symmetrical transformation device and a selector device to produce bi-phase modulated UWB waveforms in response to an information signal. The symmetrical transformation devic...  
WO/2005/048459A2
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...  
WO/2005/046056A2
A technique to provide a distortionless and predictable real-time PWM waveform based on a sequence of combinations of programmed period and width values received from a processor. In one example embodiment, this is accomplished by using ...  
WO/2005/038645A2
A product-sum operation circuit includes a pulse width/digital conversion circuit (9) which converts a pulse signal having a pulse width representing an operand value into a digital signal, a sorting circuit (4) which outputs, in descend...  

Matches 301 - 350 out of 3,386