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Patent Searching and Data


Matches 951 - 1,000 out of 5,019

Document Document Title
WO/2003/069813A1
A network system includes a network having a network bus, such as unshielded differential twisted−pair wires, electrically connected to a plurality of remote devices, and a network controller for digitally directing transmissions with ...  
WO/2003/067379A2
A method and system is disclosed for spreading the power associated with digital signals being transmitted in reducing electromagnetic (EMI) emissions in a bit stream. After being transmitted across a transmission line (169), a represent...  
WO/2003/063323A1
The invention relates to a device for suppressing the radio-interference of an electric commutator, in particular a direct current motor (10). Said device comprises a rotor (12) that is supplied with current by means of brushes (14a, b) ...  
WO2003040852A3
The invention relates to a circuit (100) for producing an output signal (116) that depends on a physical useful variable (108). Said circuit comprises a device (106) for detecting the physical useful variable (108), said device (106) bei...  
WO/2003/061061A1
The invention relates to a terminal employing wireless data transfer, comprising an enclosure structure consisting of at least one enclosure part (30), (40), (50), (60), an antenna (80) and a feed conductor (92) for receiving a signal fr...  
WO/2003/059024A2
Circuit comprising a noise suppressing circuitry (40) having an input (42) for a first voltage (VDD) and an output (43) for providing a supply voltage (VDDfiltered). The circuit further comprises a MOSFET-based switch (41) with a MOSFET ...  
WO/2003/058874A1
In some embodiments, the invention includes a system having a clock recovery circuitry to receive a data signal and a reference clock signal and in response thereto to produce an in phase clock signal which is in phase with the data sign...  
WO/2003/055088A1
A receiver including a first local oscillator (15), a first mixer (14), a first frequency control means (21), a second local oscillator (18), a second mixer (17) and a second frequency control means (21), wherein the first frequency cont...  
WO/2003/049303A1
Methods in intermediate frequency and direct conversion receivers for reducing pre-selection filter leakage and harmonic coupling to a programmable voltage controlled oscillator (60) by mixing a receive signal at a mixer (40) having a mi...  
WO2003025608A3
The invention relates to a resonance trap (8) for suppressing electromagnetic coupling phenomena for a line (1), which resonance trap includes a conductor (10) which extends parallel to and along a part of the length of the line (1). Con...  
WO/2003/043236A1
Processing elements (54-54N) are utilized for solving linear systems. One embodiment (Fig. 3B) projects matrix elements along a diagonal of the matrix onto scalar processing elements to determine a Cholesky factor. Another embodiment use...  
WO/2003/043218A1
A radio communication system comprises a communication channel for the transmission of data packets from a primary station to a secondary station. In operation, on detection of a data packet the secondary station transmits (408) an ackno...  
WO/2003/041269A1
A switching amplifier (20) generates noise at its switching frequency and harmonics thereof. The noise at these harmonics, for an audio amplifier, will be generated with significant amplitude in the AM band. Thus, an AM tuner (12) will e...  
WO/2003/040852A2
The invention relates to a circuit (100) for producing an output signal (116) that depends on a physical useful variable (108). Said circuit comprises a device (106) for detecting the physical useful variable (108), said device (106) bei...  
WO/2003/039045A2
A multiple output spread spectrum clock circuit is provided that reduces electromagnetic emissions when two different clocks operate at frequencies which overlap one another. Two such clock circuits (10 and 11) are controlled so as to in...  
WO/2003/036892A1
The invention relates to a device and method for suppressing periodic interference signals, comprising a signal analyser (1), for the output of an error signal (d(k)) and corresponding coefficients (a ¿i?) on the basis of a distorted wa...  
WO/2003/034287A1
The present invention discloses a workflow mining system which can evaluate, analyze and determine previous execution results of processes or activities by applying a data mining technique to workflow log data accumulated during the oper...  
WO2003021972A8
A method of finding a maximum likelihood solution for, comprising: providing a sample vector; iteratively match-filtering said sample vector with a coefficient matrix to find a gradient; using the gradient to search for a maximum likelih...  
WO/2003/030379A1
The invention relates to a module (10) for exchanging radio data, particularly mobile radio data, comprising: transmitting/receiving electronics for processing mobile radio signals to be transmitted and/or received; shielding means (12) ...  
WO/2003/025608A2
The invention relates to a resonance trap (8) for suppressing electromagnetic coupling phenomena for a line (1), which resonance trap includes a conductor (10) which extends parallel to and along a part of the length of the line (1). Con...  
WO/2003/026127A1
An input signal is applied to a notch filter (17) having a transfer function that is the inverse of an expected noise signal. The filtered signal is coupled to a first amplifier (16) and the input signal is coupled to a second amplifier ...  
WO/2003/024005A1
The present invention helps to mitigate and reduce the amount of interfering (e.g. RF leakage) that enter the phase detector of a phase locked loop by acting as a less than perfect sampler. This is accomplished by introducing a time jitt...  
WO2002078201A3
The invention relates to a shield for high-frequency transmitter/receiver systems of electronic devices, especially of devices for wireless telecommunication. In order to reduce the space requirements of such a high-frequency transmitter...  
WO/2003/021972A2
A method (Fig.1B) of finding a maximum likelihood solution for, comprising: providing a sample vector (100); iteratively match-filtering said sample vector with a coefficient matrix to find a gradient (154); using the gradient to search ...  
WO2002056488A3
Radio-frequency (RF) apparatus includes receiver analog circuitry that receives an RF signal and provides at least one digital signal to receiver digital circuitry that functions in cooperation with the receiver analog circuitry. The int...  
WO2002056487A3
Radio-frequency (RF) apparatus includes receiver analog circuitry that receives an RF signal and provides at least one digital signal to receiver digital circuitry that functions in cooperation with the receiver analog circuitry. The rec...  
WO/2003/012488A2
An optical amplifier (12(a)), operable to amplify a plurality of optical wavelength signals (116) at least in part through. Raman, amplification is disclosed. The amplifier includes an input operable to receive a plurality of wavelength ...  
WO/2003/003596A1
A receiver in which the sneaking noise from a crystal oscillator is reduced. A high frequency amplifier circuit (11), a mixer circuit (12), a local oscillator (13), intermediate frequency filters (14, 16), an intermediate frequency ampli...  
WO/2003/003788A2
A supplemental audio content system (30a) is for providing supplemental audio content to movie patrons during playing of a motion picture film and associated soundtrack in a cinema (21a) of cineplex (20) including a plurality of individu...  
WO/2003/001691A1
A receiver and a composite component for preventing noise produced by sneaking of a local oscillation signal. An FM receiver comprises a high−frequency amplifier circuit (11), mixer circuit (12), a local oscillator (13), intermediate...  
WO/2002/100008A1
Methods, apparatus and systems for dynamically controlling a digital communication system (7000) are disclosed. Line and signal characteristics device (716) collects information about digital communication lines in the system and adaptiv...  
WO/2002/096540A1
A method (400) and apparatus (500) using a spectral analysis technique are disclosed. In one form of the invention, probabilities are selected (414) to characterize the presence (and in another form, also a quantification of a characteri...  
WO2002049205A3
There is provided a mobile telephone in which a class D amplifier is used to amplify the signals supplied to a loudspeaker. The baseband receiver circuitry, which remains switched on while the transmitter is active, processes only digita...  
WO/2002/095992A1
A second ground plane (18) has one end opposite to a connector (14), which end is connected to a first ground plane (17) by resistor connection means (41). Accordingly, it is possible to lower Q of resonance of the aforementioned ground ...  
WO/2002/086974A1
A quartz oscillation circuit (5) which generates a digital pulse signal for controlling e.g. a frequency conversion circuit (3) is disposed at a remotest position from a RF circuit (2) which handles a high-frequency signal in an IC chip ...  
WO/2002/084893A1
An almost rectangular second ground plane (18) is connected to a first ground plane (17) mounting a data processing circuit thereon, and a wireless communication circuit (12) conducts wireless communication at a communication wavelength ...  
WO/2002/084784A1
There is arranged, between a radio circuit unit and a digital circuit unit, a current control mechanism unit that controls both or only one of the mixing of a harmonic current occurring in the digital circuit unit into the radio circuit ...  
WO/2002/078201A2
The invention relates to a shield for high-frequency transmitter/receiver systems of electronic devices, especially of devices for wireless telecommunication. In order to reduce the space requirements of such a high-frequency transmitter...  
WO/2002/067469A1
Spread spectrum packet-switching radio devices (22) are operated in two or more ad-hoc networks or pico-networks (19, 20, 21) that share frequency-hopping channels and time slots that may collide. The piconets (19, 20, 21) can be short r...  
WO2000034744A9
A process variable transmitter (10) providing a transmitter output representing a process variable (14) sensed by a sensor (18). The transmitter (10) has a filter with a bandwidth which is automatically adjusted based on noise detected i...  
WO/2002/067452A1
A communication device which generates transmission signals and reception signals using two oscillators and at the same time minimizes the generation of spurious components. As shown in Figs. 9A, 9B, VCO2's oscillation frequency fVCO2=N$...  
WO2001059944A8
A noise management method and apparatus for electronic devices using switch voltage supplies includes producing a noise signal at one or more noise frequencies and moving the noise signal out of a frequency band of interest during proces...  
WO2002019551A3
A system (100) including a radio receiver (101/108) and switched mode circuitry (114/115) operating at a selected switching frequency is disclosed. Circuitry (207-209) sets the switching circuitry of the switched mode circuitry (114/115)...  
WO2001020822A9
A method of controlling the bandwidth of electromagnetic interference generated by a pulse modulation controlled automotive motor is disclosed. The method comprises providing a controller including at least one register thereof (302); th...  
WO/2002/056487A2
Radio-frequency (RF) apparatus includes receiver analog circuitry that receives an RF signal and provides at least one digital signal to receiver digital circuitry that functions in cooperation with the receiver analog circuitry. The rec...  
WO/2002/056488A2
Radio-frequency (RF) apparatus includes receiver analog circuitry that receives an RF signal and provides at least one digital signal to receiver digital circuitry that functions in cooperation with the receiver analog circuitry. The int...  
WO/2002/056511A1
Methods, systems, and arrangements enable the generation of a replica of periodic interference that is disturbing a desired signal (x[n]) so as to subtract out an estimation of the periodic interference from the infected signal (y[n]). I...  
WO/2002/054693A1
An apparatus for filtering radio frequency interference in a signal transmitted on a twisted-pair communication channel (26) such as an ADSL transmission line. The apparatus includes a filter (40) adapted to be selectively engaged in-lin...  
WO2001080447A3
A wireless communication system for transmitting and receiving radio frequency (RF) signals inside an enclosure such as a hull of a torpedo, autonomous underwater vehicle, or aircraft, an automotive body, or a test equipment enclosure. T...  
WO/2002/049205A2
There is provided a mobile telephone in which a class D amplifier is used to amplify the signals supplied to a loudspeaker. The baseband receiver circuitry, which remains switched on while the transmitter is active, processes only digita...  

Matches 951 - 1,000 out of 5,019