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WO/2007/125660A1 |
As to multiplexed broadcasts in which broadcast affiliated station identification information is superimposed on broadcast programs, a control means (3) changes the numbers of the affiliated broadcast stations to be stored in a memory in...
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WO/2007/119220A2 |
A receiver comprises a radio frequency splitter (SPL) and respective tuning elements (D11, D21, D31), which are coupled to respective outputs (O1, O2, O3) of the radio frequency splitter. One of these tuning elements (Dl 1) has a control...
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WO/2007/121407A1 |
A broadband tuner includes a tracking filter with calibration to compensate for component errors and drift. The filters use off-die inductors that are preferably within a system-in- package (SIP) with other critical tuner components, whi...
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WO/2007/096634A2 |
A radio receiver (10) can be tuned selectably in a first mode to radio stations broadcasting in the 87.5 to 108.0 MHz FM2 band and in a second mode to event radio broadcasts on preset frequencies at least one of which is outside that ban...
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WO/2007/097064A1 |
An LNA (2) is directly connected to a loop antenna (1), and a variable BPF (3), the passed frequency band of which is adapted to be variable, is connected in a stage following the LNA (2). In this way, the variable BPF (3) is used to con...
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WO/2007/093076A1 |
The present invention provides a electornic horn driving circuit and method for driving electronic horn. Said electronic horn driving circuit includes oscillation circuit,the said oscillation circuit generates signal with oscillation fre...
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WO/2007/085995A1 |
A receiver comprises two tuners and a DC-to-DC converter (DCC) for generating an increased supply voltage (VH) on the basis of a main supply voltage. Each tuner comprises a tunable circuit (TUCl), which can be tuned by means of a tuning ...
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WO2007061308A9 |
Varactor element (Dl; D2) having a junction region, in which the depletion capacitance of the varactor element varies when a reverse bias voltage is applied to the varactor element. The varactor element (Dl; D2) has an exponential deplet...
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WO/2007/086780A1 |
A DCXO device comprises a crystal resonator (13), and a binary weighted switched capacitor network (14) with a switchable capacitance. A microprocessor (12) is provided for controlling the switched capacitor network to obtain a desired o...
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WO/2007/068974A2 |
Embodiments of the invention relate to resonant circuits; particularly but not exclusively the embodiments relate to resonant circuits in RPID (radio frequency identification) responsive to a wide frequency range. A controllable electric...
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WO2007037456A9 |
There is provided a voltage control oscillator constituting a resistance division circuit by a switch element for modifying a control voltage gain and a reference value so as to reduce the IC chip area, reduce the AFC voltage noise, and ...
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WO2007032452A9 |
A variable resonance circuit having excellent resonance frequency and temperature characteristics of resonance frequency variation rate. The variable resonance circuit comprises a variable capacitance capacitor employing a thin film diel...
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WO/2007/056733A1 |
A wireless device achieves good performance using a crystal oscillator that is not compensated for temperature. The crystal oscillator provides a reference signal having a temperature dependent frequency error. A control unit estimates t...
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WO/2007/049099A1 |
A calibration device (CD) is dedicated to a RF band-pass filter (RFF) comprising a means (FM) for filtering a frequency band depending on the value of a control voltage applied by a controllable power supply means (PSM). This device (CD)...
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WO/2007/040703A1 |
A system for receiving signals and performing auto-ranging. The system includes an adjustable attenuator at an input. A mixer combines the input signal with a tuning frequency to generate a mixed signal. The mixed signal is filtered to g...
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WO/2007/040429A1 |
The present invention relates to an oscillating circuit arrangement (10) comprising a resonating arrangement with a first resonance frequency (coo) comprising a voltage controlled oscillator arrangement (10A) . It further comprises a tun...
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WO/2007/035578A2 |
A system, method, and apparatus for controlling consumer electronic (CE) devices are provided. A remote control unit controls one or more CE devices (106, 108, 110) by obtaining control information necessary to control each CE device fro...
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WO/2007/031247A1 |
A process is disclosed for the mobile reception by means of a reception unit of a plurality of programmes broadcast within various broadcast zones. According to the invention, the received programmes are assigned to a broadcast zone and ...
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WO/2007/033120A1 |
An oscillator includes a plurality of varactor cells to receive a control signal to control a frequency of the oscillator. Each of the varactor cells includes a switch that includes a first terminal to receive the control signal and a se...
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WO/2007/031646A1 |
The invention concerns the processing of digital signals, in particular spectral scanning upon reception of a signal. Said processing includes multicarrier shape filtering (12) applied to a received signal prior to computing a Fourier tr...
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WO/2007/018888A2 |
A receiver (1100) includes a direct digital frequency synthesizer (130), a mixer (105), and a clock source (1110, 1130). The direct digital frequency synthesizer has an input terminal for receiving a first clock signal at a first frequen...
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WO/2007/015209A1 |
A multiple frequency source system includes at least one frequency source tunable to a predefined target frequency, and at least one additional frequency source operable to generate a second signal at a frequency which is either higher o...
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WO/2007/015211A2 |
A method for mitigating phase pulling in mulitple frequency source system includes generating a first signal, the first signal referred to as an existing signal operating at an existing frequency point, the existing signal having a prede...
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WO/2007/015636A2 |
A communication system (1 ) comprising at least one transmitter (3) arranged for transmitting a transmission signal modulated to a carrier wave frequency and at least one receiver (2) arranged for calibrating to the carrier wave frequenc...
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WO/2007/014060A1 |
In a signal communication device, a frequency-selective filter has at least one component that is biased by a control signal to establish a center frequency of the frequency- selective filter. A closed-loop bias generator is provided to ...
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WO/2007/013226A1 |
A receiver apparatus comprises a receiving part (1), which includes a PLL (10), a mixer (6) and a filter (8), and a demodulating part (2) which includes a frequency error detector (24) for detecting a frequency error of a signal from the...
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WO/2007/007712A1 |
There is provided a broadcast module including a reception unit (5) for selecting a signal of a particular channel from signals of a plurality of channels by a control unit (8), a demodulation unit (6) connected to an output side of the ...
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WO/2007/000712A1 |
The present invention relates to an apparatus and method for providing synchronization of an output signal to a synchronization information. The synchronization is accomplished by providing coupling of a correction control information th...
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WO/2006/135138A1 |
Provided are a frequency modulated audio transmitter integrated circuit using a CMOS device and a method for controlling the same. The frequency modulated audio transmitter integrated circuit includes audio blocks for receiving audio sig...
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WO/2006/132570A1 |
The present invention relates to a tunable circuit, or admittance, arrangement comprising at least one capacitive branch with at least a tunable first capacitor (C1), and tuning application means. It further comprises at least one resona...
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WO/2006/122862A1 |
The invention concerns a method for selecting audio contents transmitted by broadcasting channels and received by an audio or audio-visual receiver. A user first selects a received content and launches reproduction. Then, the receiver wi...
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WO/2006/119397A1 |
An integrated circuit (IC) structure and method of distributing multiple broadband signal inputs to multiple integrated circuits, where each IC receives at least one original signal and outputs a replica of the original signals to other ...
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WO/2006/112811A1 |
A mesuring instrument for a vehicle selectively illuminates one of a plurality of scales based on a location of the instrument or includes an indicator that is selectively positioned based on the location of the instrument. The location ...
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WO/2006/106127A1 |
A passive entry and immobilizer key for vehicles comprises an integrated front-end circuit (12b) with three battery- supplied receiver channels (14, 16, 18) , each connected to an associated external antenna circuit with an inductor-capa...
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WO/2006/106279A1 |
A tuning arrangement for a resonant circuit, the tuning arrangement having an output reactance dependent upon a plurality of input applied signals one of which is an input tuning signal, and comprising: an array of tuning circuits connec...
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WO/2006/105916A1 |
The invention relates to a method for changing a frequency of a first local oscillator (60) in a receiving system (10), which has a first receiver (12) with a first local oscillator (60) and with a first frequency setting element (66), a...
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WO/2006/103583A2 |
A receiver has a tuning capacitance that comprises two capacitive branches (Vl-Cl, C2-V2) coupled in parallel between a pair of capacitance nodes (Nl, N2). One capacitive branch (Vl-Cl) comprises a varicap diode (Vl) having an anode that...
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WO/2006/099532A2 |
Techniques for performing frequency control in an OFDM system are described. In one aspect, frequency acquisition is performed based on a received pilot, and frequency tracking is performed based on received OFDM symbols. For frequency a...
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WO/2006/095283A2 |
An electronic device (ED) is intended for generating a local oscillator signal having a chosen frequency FL0 from a main signal outputted by a voltage-controlled oscillator (VCO) and having a iundamental frequency FVCO and harmonics ther...
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WO/2006/092773A2 |
Filter tuning methods and apparatuses which directly measure filter attenuation by transmitting signaling tones through the filter(s). The measured attenuation is compared with the desired frequency response of the filter. The result of ...
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WO/2006/094140A1 |
Techniques for performing frequency control using dual-loop automatic frequency control (AFC) are described. The dual-loop AFC includes an inner loop that corrects short-term frequency variations (e.g., due to Doppler effect) and an oute...
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WO/2006/088243A1 |
The present invention provides a system for a mobile device which enables a user to know a receivable broadcast station at the current position and to select smoothly a desired broadcast station even in an unfamiliar area. A CPU confirms...
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WO/2006/087104A1 |
The present invention relates to a method for tuning a system ( 10) to a plurality of service signals (S1, ..., Sn). The inventive method uses a first and a second tuning process (P1, P2). The first tuning process (P1) is adapted and per...
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WO/2006/087506A1 |
This invention relates to improved architectures for digital audio broadcast (DAB) receivers, in particular multiband DAB receivers. A digital audio broadcast (DAB) receiver, the receiver comprising: an rf input to receive rf signals in ...
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WO/2006/075258A2 |
The present invention relates to a method and a system for dynamically selecting audio content items to be played in a vehicle based on driving parameters derived from the driving of the vehicle. Thereby, the selection of the audio conte...
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WO/2006/075779A1 |
A PLL circuit (11) is provided with an oscillator for reception at a frequency band (A), and an oscillator for reception at a frequency band (B). A PLL circuit (12) is provided with an oscillator for reception at the frequency band (B), ...
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WO/2006/073013A1 |
A wireless receiver comprising an antenna (1) for receiving a radio signal in which a transmitted signal has been superimposed on a carrier; a frequency multiplier (3) plus VCXO (2) for oscillating a local oscillation signal; and a demod...
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WO/2006/070224A1 |
This invention describes a method for simultaneous precise center frequency tuning and limiting a gain variation of a voltage controlled oscillator (VCO) of a phase locked loop (PLL) of an electronic device (e.g., a communication device,...
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WO/2006/070234A1 |
This invention describes a method for gain tuning of a voltage-controlled oscillator of a phase locked loop (PLL) of an electronic device using voltgage measurements and a frequency iteration. The invention presents a method of minimizin...
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WO/2006/063619A1 |
A wireless communication device (100) comprises a frequency generation circuit employing a crystal oscillator operably coupled to a fractional-based synthesiser and a voltage-controlled oscillator. The fractional-based synthesiser utilis...
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