| Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745) |
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| 11/18/1998 | CN1199468A Combined GPS positioning system and communication system utilizing shared circuitry |
| 11/11/1998 | CN1198615A Radio equipment |
| 11/10/1998 | US5834979 Automatic frequency control apparatus for stabilization of voltage-controlled oscillator |
| 11/04/1998 | EP0875993A2 AFT optimizing method and apparatus and AFT method for a broadcast receiving system |
| 11/04/1998 | CN1040600C 无线电接收机 Radio receiver |
| 11/03/1998 | US5831574 Method and apparatus for determining the location of an object which may have an obstructed view of the sky |
| 10/22/1998 | WO1998035544A3 System and method for harmonic interference avoidance in carrier recovery for digital demodulation |
| 10/21/1998 | EP0872051A2 Method and apparatus for controlling frequency of a multi-channel transmitter |
| 10/21/1998 | CN1196839A Transmission process in which conversion oscillator signal is synthesised by means of fractional N-phase-shift control loop |
| 10/21/1998 | CN1196608A Digital processing phase lock loop for synchronous digital micro-wave apparatus |
| 10/20/1998 | US5825833 Digital and analog reception apparatus |
| 10/20/1998 | US5825327 GPS receivers and garments containing GPS receivers and methods for using these GPS receivers |
| 10/14/1998 | EP0871289A2 Automatic frequency control system and method using multiple threshold levels |
| 10/13/1998 | US5822687 Method and apparatus for automatic tuning calibration of electrically tuned filters |
| 10/13/1998 | US5821819 Base station oscillator tuned with received clock signal |
| 10/13/1998 | CA2123748C Frequency stabilizing device |
| 10/06/1998 | US5819166 Receiving apparatus having a database containing broadcasting-station information |
| 10/06/1998 | US5819157 Reduced power tuner chip with integrated voltage regulator for a satellite receiver system |
| 10/06/1998 | US5818302 Automatic frequency control oscillation circuit |
| 09/30/1998 | EP0868019A2 FM multiplex broadcasting receiver |
| 09/22/1998 | US5812615 Apparatus and method for maximizing frequency offset tracking performance in a digital receiver |
| 09/22/1998 | US5812614 Apparatus and method for maximizing frequency offset tracking performance in a digital receiver |
| 09/22/1998 | US5812611 Frequency estimating circuit and AFC circuit using the same |
| 09/16/1998 | EP0865165A2 Radio apparatus |
| 09/16/1998 | EP0864200A2 Receiver tuning |
| 09/15/1998 | US5809407 Receiver, an arrangement and a method for comparing two signals |
| 09/15/1998 | US5809009 Demodulator apparatus for digital radio communication receiver providing pseudo-coherent quadrature demodulation based on periodic estimation of frequency offset |
| 09/11/1998 | WO1998039854A1 Receiver with frequency offset correcting function |
| 09/09/1998 | EP0863615A1 Frequency tracking arrangements |
| 09/09/1998 | EP0862814A1 Method of selecting a transmit frequency |
| 09/08/1998 | US5805984 Method and apparatus for eliminating frequency mismatch between a transmitter and a receiver |
| 09/03/1998 | WO1998038731A2 Method and system for controlling frequency |
| 09/01/1998 | US5802461 Apparatus and method for timing recovery in vestigial sibeband modulation |
| 08/26/1998 | EP0647373B1 Device and method for tuning a combiner filter |
| 08/25/1998 | US5799037 Signal processing apparatus |
| 08/20/1998 | WO1998035544A2 System and method for harmonic interference avoidance in carrier recovery for digital demodulation |
| 08/20/1998 | CA2279850A1 System and method for harmonic interference avoidance in carrier recovery for digital demodulation |
| 08/19/1998 | EP0859466A1 Digital AFC circuit having a rounding circuit |
| 08/19/1998 | CN1190826A Automatic frequency correcting device and method for radio calling system |
| 08/13/1998 | WO1998025157A3 An improved gps receiver utilizing a communication link |
| 08/12/1998 | EP0858197A2 AFC circuit of digital demodulation device |
| 08/12/1998 | CN1190504A Tuner for digital satellite receiver |
| 08/11/1998 | US5794161 System for programming a scanning radio |
| 08/06/1998 | WO1998034347A1 Automatic frequency control circuit |
| 08/05/1998 | CA2228564A1 Afc circuit of digital demodulation device |
| 08/04/1998 | US5790604 Method and apparatus for automatic frequency correction acquisition |
| 08/04/1998 | US5790602 Receiver synchronization using punctured preamble |
| 07/30/1998 | WO1998033319A1 Television receiver |
| 07/29/1998 | EP0855041A1 A gps receiver and method for processing gps signals |
| 07/29/1998 | EP0855039A2 Gps receiver and method for processing gps signals |
| 07/29/1998 | CN1189261A High-frequency signal receiver |
| 07/28/1998 | US5787342 Receiver |
| 07/23/1998 | WO1998032232A2 Assessment of digital signals, especially radio data signals |
| 07/23/1998 | WO1998020635A3 A radio receiver for receiving a main radio broadcast signal and a monolythic integrated circuit for use in such radio receiver |
| 07/21/1998 | US5784422 Apparatus and method for accurate synchronization with inbound data packets at relatively low sampling rates |
| 07/16/1998 | DE19701042A1 Verfahren zur Auswertung von digitalen Signalen Method for evaluating digital signals, |
| 07/15/1998 | EP0853387A2 Method and apparatus for transmitting and receiving multichannel signals |
| 07/14/1998 | US5781156 GPS receiver and method for processing GPS signals |
| 07/07/1998 | US5777524 Temperature compensation circuit for a crystal oscillator and associated circuitry |
| 07/01/1998 | EP0851618A2 Method and system for controlling remote multipoint stations |
| 07/01/1998 | EP0851592A2 Synthesizer receiver |
| 07/01/1998 | EP0850511A1 Transmission process in which a conversion oscillator signal is synthesised by means of a fractional n-phase-shift control loop |
| 06/30/1998 | US5774800 Radio communication apparatus with reference frequency control based on stored characteristic control data |
| 06/30/1998 | US5774799 Automatic frequency control with adjacent channel interference protection |
| 06/25/1998 | WO1998027652A1 Temperature compensation circuit for a crystal oscillator and method of providing same |
| 06/25/1998 | WO1998027651A1 Temperature compensation circuit for a crystal oscillator |
| 06/17/1998 | EP0847622A1 Process for storing of data of a received carrier frequency of a broadcast transmitter |
| 06/16/1998 | US5768693 Method and apparatus for controlling frequency of a multi-channel transmitter |
| 06/16/1998 | US5768321 Automatic frequency control unit which detects a frame pattern in a phase modulation signal |
| 06/11/1998 | WO1998025158A1 Method and apparatus for determining time for gps receivers |
| 06/11/1998 | WO1998025157A2 An improved gps receiver utilizing a communication link |
| 06/10/1998 | EP0847193A1 Intermediate frequency amplifier circuit for radiowave receiver |
| 06/10/1998 | CN1184389A Mobile communication terminal having initial frequency acquisition mechanism |
| 06/04/1998 | WO1998024204A2 Method of measuring frequency difference, and receiver |
| 06/03/1998 | EP0845860A1 Mobile communication terminal having an initial frequency acquisition mechanism |
| 06/02/1998 | US5761259 Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio |
| 06/02/1998 | US5760656 Temperature compensation circuit for a crystal oscillator and associated circuitry |
| 05/28/1998 | WO1998013934A3 Receiver tuning |
| 05/28/1998 | CA2220817A1 Mobile communication terminal having an initial frequency acquisition mechanism |
| 05/27/1998 | EP0844764A2 Automatic frequency correction for a radio calling system |
| 05/26/1998 | US5757864 Receiver with filters offset correction |
| 05/26/1998 | US5757860 Synthesizer receiver |
| 05/14/1998 | WO1998020635A2 A radio receiver for receiving a main radio broadcast signal and a monolythic integrated circuit for use in such radio receiver |
| 05/13/1998 | CN1181681A Method for reducing carrier recovery time in high definition television receiver |
| 05/12/1998 | US5752178 Waveform identity discriminating circuit |
| 05/12/1998 | US5752174 Radio receiver with automatic adjustment of oscillation frequencies |
| 05/12/1998 | US5751114 Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio transmitter |
| 05/06/1998 | EP0840447A1 Method for improving the tuning of a radio receiver and a radio receiver |
| 05/05/1998 | US5749048 Receiver |
| 05/05/1998 | US5748682 Oscillator frequency offset error estimator for communications systems |
| 04/30/1998 | WO1998007241A3 Method for adjusting carrier frequency, and a radio system |
| 04/28/1998 | US5745848 Method and apparatus for eliminating interference caused by spurious signals in a communication device |
| 04/21/1998 | US5742908 Frequency error correction in a satellite-mobile communications system |
| 04/21/1998 | US5742898 Tuning system with DC-DC converter |
| 04/21/1998 | US5742357 Direct data tuner |
| 04/15/1998 | EP0835553A1 Automatic local oscillator frequency stabilization process in radio receivers employing a wide-band tunable local dielectric-resonator oscillator and associated device |
| 04/14/1998 | US5740525 Method and apparatus for temperature compensation of a reference oscillator in a communication device |
| 04/14/1998 | US5740521 Method and circuit for creating frequencies for a radio telephone |
| 04/14/1998 | US5740205 Apparatus and method for maximizing frequency offset tracking performance in a digital receiver |
| 04/14/1998 | US5739874 Tuning system for a digital satellite receiver with fine tuning provisions |