Patents
Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745)
06/1996
06/25/1996US5530723 Automatic frequency control arrangement
06/25/1996CA2073341C Frequency control system
06/20/1996DE19543844A1 UHF-Signalgenerator UHF signal generator
06/11/1996US5525940 Device and method for tuning a combiner filter
06/11/1996CA2059580C Auto-tuned apparatus for band-pass filter
06/06/1996WO1996017450A1 Method of tuning a mobile radio receiver to radio broadcasting programmes carrying traffic information
06/05/1996EP0715403A1 A satellite tuner stage
06/04/1996US5524289 Method and circuit for an automatic, high precision frequency fine tuning
05/1996
05/30/1996WO1996015652A2 Tuning system with dc-dc converter
05/30/1996DE4442413A1 Verfahren zur Einstellung eines mobilen Rundfunkempfängers und Rundfunkempfänger A method for adjusting a mobile radio receiver and radio receiver
05/29/1996EP0649545A4 Virtual radio interface.
05/15/1996CA2158774A1 Method and circuit for creating frequencies for a radio telephone
05/14/1996US5517678 Satellite radio receiver
05/08/1996EP0710409A1 Radio broadcast reception process and circuitry
05/01/1996EP0709959A1 Correction of a frequency offset
04/1996
04/30/1996US5513388 For use with a receiver
04/26/1996CA2161306A1 Frequency shift correction
04/24/1996EP0708528A1 Radio receiver with automatic searching of stations
04/23/1996US5510927 Method for setting the local oscillator of an optical superheterodyne receiver
04/17/1996CN1120777A Digital data receiver
04/16/1996US5509034 Frequency synchronizing method for a reference oscillator
04/09/1996US5507015 Method and apparatus for automatic modulation calibration in a radio transmitter
04/09/1996US5506906 Radio receiver station-seeker stop-signal generator
04/03/1996EP0704122A1 Process and arrangement for adjusting the local oscillators of a receiver in a multi-channel transmission system
03/1996
03/21/1996WO1996008882A1 Frequency error correction in a satellite-mobile communications system
03/21/1996CA2174938A1 Frequency error correction in a satellite-mobile communications system
03/20/1996CN1118968A Demodulating system for high-definition television receiver
03/19/1996US5500878 Automatic frequency control apparatus and method therefor
03/19/1996CA2057116C Microprocessor controlled digital aft unit
03/14/1996WO1996008100A1 Method and apparatus for aligning a digital receiver
03/12/1996US5499393 Receiver with function to adjust local frequency following reception frequency
03/05/1996US5497402 Automatic frequency control device for satellite communications ground system
02/1996
02/27/1996US5495506 Automatic frequency control apparatus
02/21/1996CN1117221A Automatic frequency control method and apparatus therefor
02/20/1996US5493714 Apparatus and method for automatically controlling a reference frequency in a dual mode receiver
02/20/1996US5493711 Radio receiver for locating the strongest signal carrying a selected program
02/20/1996US5493710 Communication system having oscillation frequency calibrating function
02/20/1996US5493700 Automatic frequency control apparatus
02/20/1996US5493209 Tunable trigger acquisition system and method for making in-service time-domain signal measurements
02/15/1996WO1996004724A1 Radio scanner and display system
02/08/1996WO1996003827A1 Apparatus and method for maximizing frequency offset tracking performance in a digital receiver
02/06/1996US5490275 Virtual radio interface and radio operating system for a communication device
01/1996
01/31/1996CN1116021A Automatic frequency control apparatus
01/23/1996US5487186 In a communications receiver
01/10/1996EP0681775A4 Automatic tuning radio/tv using filtered seek.
01/02/1996US5481251 Minimal function remote control without digit keys and with a power toggle program and with a channel rotation program
01/02/1996US5481227 Oscillator, synthesizer tuner circuit and AM synchronous detect circuit employing the oscillator
12/1995
12/26/1995US5479452 Method and apparatus for aligning a digital receiver
12/26/1995US5479136 AFC circuit having local oscillator phase locked loop
12/12/1995US5475871 Communication system with control signal based tuning
12/05/1995US5473292 Method for fine tuning the resonant frequency of a filter in a combiner
11/1995
11/30/1995WO1995032559A1 Method for adjusting reference frequencies in a communication system
11/29/1995EP0684711A1 Method of and apparatus for selecting a broadcast station using programme type information transmitted on a subcarrier in the programme signal
11/28/1995US5471660 Channel selecting method for radio receiver and highspeed scanning type radio receiver
11/15/1995EP0681775A1 Automatic tuning radio/tv using filtered seek
11/01/1995CN1111044A Automatic frequency controlling method and circuit used for delaying detecting radio demodulating unit
10/1995
10/24/1995US5461645 Frequency stabilizing device
10/18/1995EP0677923A2 Demodulating system for high-definition television receiver
10/12/1995WO1995027343A1 Hands-free two-way radio communication system
10/12/1995CA2186495A1 Hands-free two-way radio communication system
10/10/1995US5457816 Scanning receiver with stored frequencies
10/10/1995US5457716 Automatic frequency control in a radio communication receiver
10/03/1995US5455964 Stabilization of frequency and power in an airborne communication system
09/1995
09/27/1995EP0674412A2 Method and apparatus for automatic frequency control
09/27/1995EP0674387A1 Automatic frequency control method and apparatus therefor
09/27/1995CN1109250A Radio selective calling receiver having synthesizers
09/21/1995WO1995023458A3 Method and apparatus for automatic modulation calibration in a radio transmitter
09/12/1995US5450621 Radio receiver with digital control loop for coarse frequency acquisition and analog control loop for frequency lock-in
09/12/1995US5450447 In a radio communication receiver
09/06/1995CN1029714C Antenna controlling apparatus and method thereof
08/1995
08/31/1995WO1995023458A2 Method and apparatus for automatic modulation calibration in a radio transmitter
08/30/1995EP0669721A2 Oscillator, synthesizer tuner circuit and AM synchronous detect circuit employing the oscillator
08/22/1995US5444736 Radio communication apparatus having an automatic frequency control circuit for controlling a transmission frequency on the basis of a reception frequency
08/22/1995US5444498 Apparatus and method for extending pulling range of automatic fine tuning of television receiver
08/10/1995DE19500720A1 Digitales Spannungseinstellverfahren für ein Empfangsgerät Digital Spannungseinstellverfahren for a receiver
08/08/1995US5440259 Frequency stabilizing circuit for a π/4 shift QPSK signal receivers
08/03/1995WO1995020851A1 Automatic frequency control in a radio communication receiver
08/01/1995US5438692 Direct conversion receiver
08/01/1995US5438688 Channel selecting method and highspeed scanning radio receiver which concurrently scans multiple channels
07/1995
07/19/1995EP0663725A1 Automatic frequency control circuit
07/18/1995US5434889 Receiver comprising an arrangement for estimating a frequency deviation
07/12/1995EP0662754A1 Automatic frequency control circuit
07/06/1995WO1995018508A1 Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator
07/04/1995US5430891 Tuning detection circuit for a high-frequency receiver, and receiver including such detection circuit
07/04/1995CA2026345C Auto-tuning circuit for an active filter used in video signal processing
06/1995
06/27/1995US5428827 Radio receiver with a radio data signal (RDS) decoder
06/27/1995US5428826 High-speed scanning radio receiver
06/27/1995US5428825 Method of selecting receiving frequency for RDS receiver
06/27/1995US5428405 Apparatus for finely adjusting tuning data for a television receiver and the method thereof
06/14/1995CN1103753A Digital demodulator
06/06/1995US5423085 Method and apparatus for digital automatic frequency control of TDM communications systems
06/06/1995US5422917 Frequency offset estimation using the phase rotation of channel estimates
06/06/1995US5422752 Optical transmission system
06/01/1995WO1995015028A1 Minimal function remote control without digit keys and with a power toggle program and with a channel rotation program
05/1995
05/24/1995CN1028586C Method and circuit automatic, high precision frequency fine tuning
05/11/1995DE4439658A1 Method and device for automatic fine tuning
05/04/1995WO1995012253A1 Automatic frequency control apparatus
05/03/1995EP0651520A2 Control arrangements for digital radio receivers
04/1995
04/29/1995CA2134531A1 Control arrangements for digital radio receivers
04/26/1995EP0649545A1 Virtual radio interface
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