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WO/2001/067654A1 |
The invention relates to a method of controlling control parameters of a radio receiver, which is characterized in that the control parameters are adjusted depending on the actual site of reception, the site of reception being detected b...
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WO/2001/067655A2 |
The invention relates to a method for recording information, especially traffic information, that is transmitted via a radio frequency. The means required for receiving and evaluating a radio frequency are supplied with energy in a clock...
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WO/2001/065693A2 |
A method and arrangement for installing or updating a large number of television receivers in e.g. hotels is disclosed. One of the receivers (1) is manually programmed. The data is then downloaded from said receiver into a remote control...
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WO/2001/065702A2 |
A modulation method for Frequency Division Duplex/Time Division Duplex (FDD/TDD) transceivers is provided. The invention eliminates the need for a burst mode controller for both FDD and TDD, as well as SAW bandpass filters and dielectric...
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WO/2001/063762A1 |
Receiver comprising a cascade of first to N resonance amplifiers (SA1, SA2, SA3), an output thereof being coupled to signal processing means (TO, SD, PK, LP1, S) for deriving a baseband modulation signal. To improve the signal to noise r...
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WO/2001/063761A1 |
Tuning method for a combiner filter (2) in an antenna (3) near system for base station equipment is disclosed. Transmitted signals related to the combiner filter are compared with each other. A spectral analysis of each of the transmitte...
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WO/2001/061850A1 |
A method for characterizing a frequency response of a tunable filter (11) includes the steps of adjusting a tuning means (12) to a first predetermined position; measuring the resonance frequency of the filter (10); temporary storing the ...
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WO/2001/061874A1 |
When the system starts initially, a system controller (10) corrects the initial value stored in a memory (9) and corresponding to the initial voltage value for initial start by using error information stored in a memory (14) and correspo...
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WO/2001/059812A2 |
The invention relates to an assembly comprising a multitude of products provided with an electronic component (1), which has a fundamental quantity that can be modified by tuning the component (1) using an electrical signal. The inventiv...
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WO/2001/058029A1 |
A radio FM receiver is provided with a receiver portion with quadrature channels for converting received radio frequency signals into center frequency quadrature signals, a center frequency filter circuit connected to the former for supp...
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WO/2001/058018A2 |
A fully integrated single-loop frequency synthesizer, which can serve as a local oscillator for a broadband tuner, is disclosed, thus allowing the creation of a single-chip solution for broadband applications. The tank circuits are integ...
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WO/2001/056164A1 |
An electronically trimable capacitor (10) having a plurality of branch circuits (30) each including a capacitor (32) which may be selectively controlled by a switch (34) to contribute or not to the net capacitance exhibited by the trimab...
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WO/2001/052412A1 |
A method and apparatus for controlling a radio receiver provided with a local frequency reference (2) and a closed loop control system with a loop filter (5) for tuning the receiver's operating frequency to a received radio signal by alt...
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WO/2001/050698A1 |
A method and system for providing a frequency correction for a spread spectrum communication receiver. In the method and system, a frequency offset is determined by processing successive samples of a despread data signal. A correction se...
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WO/2001/050648A1 |
A method and a device for test receiving alternative frequencies without interrupting the reception of the current reception frequency in a spatial diversity receiver. According to the invention, test receptions of alternative frequencie...
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WO/2001/046920A1 |
The conventional method of operating a vending machine is supplemented by providing a second connection that is not established via the mobile radio network usually used and the switching centers and control devices connected therewith. ...
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WO/2001/045257A1 |
A method of performing a search tuning of television signals in a television band containing both analog and digital television signals. First, an analog channel search is performed to determined all of the analog channels receivable in ...
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WO2000042659A9 |
An integrated circuit ESD protection system comprises: a local power supply bus, a local ground bus, a first local ESD clamp, and ESD ground bus disposed between local power supply and ground busses and coupled to the local power supply ...
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WO/2001/041424A2 |
In a method of tuning a receiver for a digital signal (MPEG2-TS), an input signal (RF-in) is filtered (In-filt, Band-filt) to obtain a processed signal, a digital figure of merit (BER) is determined (Mix/Osc/IF amp IF-downconv-2, C) from...
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WO/2001/041306A1 |
Disclosed are a circuit and a method for automatically tuning a filter circuit to compensate for variations in process, voltage, and temperature. The filter circuit includes one or more N-bit capacitor arrays. The circuit includes calibr...
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WO/2001/040807A2 |
A remote control device includes a motion detection circuit operative to generate signals indicative of a direction of movement of the device. A processor receives the signals from the motion detection circuit and generates corresponding...
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WO/2001/028093A1 |
Method for assigning program locations in a receiver to individual received broadcast signals in accordance with predetermined assignment rules where the broadcast signals originate from various transmitters, said method comprising provi...
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WO/2001/028150A2 |
The present invention aims at eliminating the effects of frequency offsets between two transceivers by adjusting frequencies used during transmission. In this invention, methods for correcting the carrier frequency and the sampling frequ...
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WO/2001/026090A1 |
A remote control (30) for controlling a home entertainment device having a display screen (16) provided with a movable object (18) includes a touch pad (12 or 32). The display screen is mapped to the touch pad area. The touch pad generat...
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WO/2001/024357A1 |
A method is described that involves combining (750) a sigma delta modulator output signal (710) with a second signal (715) to form a third signal that controls the division performed by a divider (706). An apparatus that can execute the ...
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WO/2001/024420A1 |
A method that involves demodulating a received wireless signal with a demodulator (106). Then, tapping a tapped receive signal (311) from the demodulator (106). Then, measuring a frequency of the tapped receive signal (311). An apparatus...
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WO2000031870A9 |
Methods and systems are provided for frequency generation suitable for use in wireless devices capable of operating at multiple frequencies. Such systems may change the loop gain of an automatic frequency control loop based on the operat...
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WO/2001/022583A2 |
A television control system with modular tuner compatibility comprises a tuner module coupled to a microprocessor via a communication bus. The tuner module includes a memory unit having tuner alignment data. The microprocessor communicat...
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WO/2001/022632A1 |
The invention relates to a method for frequency tracking in a digital broadcasting system comprising a plurality of broadcasting transmitter stations (10) for transmitting a service to a mobile broadcast receiver (30). The method compris...
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WO/2001/020785A1 |
The invention relates to a VCO (100, 130) integrated in a radio ASIC, wherein a switch (180, 60, 70, 80, 90) is arranged for switching the centre frequency of the VCO between arbitrary frequency bands to be able to perform band switching...
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WO/2001/020862A1 |
A method for synchronising a local reference frequency in a mobile station includes measuring a current ambient condition of the mobile station and using stored data indicating variance of the local reference frequency with known ambient...
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WO/2001/017117A2 |
A method and apparatus related to a communication system in which a plurality of remote units encode data bursts using a predetermined codeword set and transmit the encoded data bursts to a hub station over a multiple-access channel. Whe...
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WO/2001/017189A1 |
A method and apparatus for digitally demodulating QPSK signals includes a first portion in which the digitally sampled data burst is resampled with a plurality of predetermined timing hypotheses. The timing offset is determined according...
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WO/2001/016744A1 |
A system for resetting a computer by toggling the power supply on and off is described. The system includes a Peripheral Component Interconnect (PCI) card having a microprocessor and memory that detects computer malfunctions. The PCI car...
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WO/2001/017311A1 |
A system and method for allocating one or more portions of the frequency spectrum among a plurality of radio frequency (RF) transmitters and/or receivers. The system comprises a hub station that dynamically allocates the frequency spectr...
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WO/2001/017110A1 |
A communication system extracts a received modulation frequency from baseband modulation. This frequency is used as a reference to control the output of a variable oscillator. The output of the variable oscillator may be used to generate...
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WO/2001/017171A1 |
Transmission of TCP/IP data over a satellite link from a hub station to a plurality of remote units. The data, transmitted over the satellite link, uses the digital video broadcast (DVB) protocol. A field in the DVB header is used to ind...
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WO/2001/015315A1 |
The invention aims to provide a method which significantly reduces a frequency offset in the base-station receiver, with the minimum effort possible. To this end, the reference frequency of the demodulator (UCD) in each subscriber statio...
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WO/2001/013629A1 |
A television receiver displays the image of a specified one of broadcast channels received by receiving means (3). A selection number corresponding to the broadcast channel to be selected is input using a plurality of input keys (1a-1j) ...
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WO/2001/013517A2 |
A circuit arrangement of a loading pump with an additional reference stage (6), wherein the end stage (5) of the branches (1, 2) are reproduced, at least as far as the transistors (mn2, mp2) on the output side are concerned, whereby an e...
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WO/2001/011774A1 |
A Radio Frequency (RF) receiver (300) that receives (401) RF signals and mixes (403) signals from a local oscillator with the signals. The signal strength of the desire demodulated signals is maximized by adjusting (417) the phase of the...
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WO/2001/010025A1 |
An RF Voltage Controlled Oscillator (VCO) design having improved power supply noise immunity. More particularly, a VCO resonant circuit that provides a high circuit Q, immunity to noise, and is tunable over multiple distinct bands. The r...
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WO/2001/008367A1 |
The invention concerns a method for producing a mobile telephone system dual band transmitter with one single voltage-controlled oscillator (24), which consists in modulating a reference signal with a modulating signal. The modulated ref...
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WO/2001/006637A1 |
A radio transmitter and/or receiver comprising: an oscillator tuning circuit comprising an adjustable capacitor whose capacitance is adjustable my means of a first tuning signal; a filter tuning circuit comprising an adjustable capacitor...
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WO/2001/006649A1 |
The invention relates to a tuning method for a radio receiver, especially a television signal receiver, whereby at least two reception channels are consecutively pre-assigned to the radio receiver, and the reception channels are stored i...
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WO/2001/006650A1 |
A method and apparatus for compensating for frequency drift in an LNB (104A-104C) by storing the frequency offset of each LNB (104A-104C) with respect to each channel. When a channel is selected, a particular LNB (104A-104C) is activated...
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WO/2001/005110A1 |
A frequency error estimating device for estimating the frequency error between the local oscillation frequency of a receiver and the carrier frequency of the received signal comprising a frequency error estimator (11) for suppressing the...
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WO/2001/003297A1 |
An 8VSB decoder checks whether a digital tuner has selected the broadcast signal of a selected channel. If the broadcast signal of the selected channel is not successfully selected, a channel frequency control section shifts PLL data hig...
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WO/2001/003348A1 |
An angular velocity detector (108) detects the angular velocity of a known reference signal. A measurement section (109) measures the parameters indicating the reception quality of the known reference signal that has been demodulated. A ...
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WO/2001/003296A1 |
The invention relates to an interactive control and input system for electronic appliances which comprises a computing unit provided for supplying, processing and outputting data signals, a receiving unit that receives commands or data f...
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