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Patent Searching and Data


Matches 301 - 350 out of 4,543

Document Document Title
WO2005017669A3
A system, method and apparatus for sampling an electromagnetic signal is provided. In one embodiment of the present invention, data is obtained from an electromagnetic signal by sampling the received signal and demodulating the signal wi...  
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...  
WO2006015000A3
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/2006/121260A1
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...  
WO2006044287A3
Apparatus and methods ofultra-wideband communication are provided. In one embodiment, an ultra-wideband receiver comprises anenvelope detector that detects the amplitudeof a received ultra-wideband signal and generates a waveform represe...  
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 (...  
WO2005119910A3
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/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...  
WO2006039290A3
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 ...  
WO2005022810A3
The method of the present invention provides efficient resource allocation in terms of subcarrier, bit and corresponding power of QoS for real time services in multiuser OFDM systems (13 in Fig. 1). The invention takes advantage of the i...  
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...  
WO2005065070A3
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/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...  
WO2006039790A3
The present invention provides an extension to a standard N-bit digital pulse width control method which can discriminate 2N discrete pulse widths per pulse cycle. The present invention provides a method and apparatus that can modulate t...  
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...  
WO2006023427A3
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...  
WO2006000796A3
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...  
WO2005086861A3
Optimum usage of time diversity and significantly higher data rates are achieved by utilizing an adaptive Ultra-wideband impulse radio (UWB IR) transmission scheme based upon information about the channel state at a particular time insta...  
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...  
WO2005036747A3
A programmable pulse generator (100) having a clock signal delay chain (10), multiplexer (20), and reduced voltage charge circuit (60). The clock delay chain (10) comprises a plurality of propagated delays, coupled to the multiplexer (20...  
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 ...  
WO2005038577A3
A modulation method, referred to as dual phase pulse modulation (DPPM), represents digital data as a series of high and low pulses (Fig. 2B) whose widths represent groups of M data bits (00, 01, 10, 11), with both the high and low pulses...  
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...  
WO2005048459A3
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/2005/074135A1
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...  
WO2005038645A3
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...  
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...  
WO2005046056A3
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 ...  
WO2005018083A3
A self-adjusting PWM regulator which minimizes undershoot and overshoot conditions is disclosed. The regulator includes a charge pump, a voltage comparator circuit, and a latch circuit. The input of the voltage comparator circuit include...  
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 ...  
WO2004059848A3
A digital signal modulator modulates a digital input signal (507) to drive a load (324) such as an opposed current amplifier or other opposed current converter. In one embodiment, a digital signal modulator modulates a digital input sign...  
WO2005011118A3
A DPWM (1) has a delay lock loop (4) which receives an input clock signal and provides an out-of-phase delayed clock at the output of each of eight delay cells (35). A multiplexer (5) selects one of the delay cell outputs at any one time...  
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 4,543