| Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745) |
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| 06/29/1999 | US5917864 Automatic frequency control circuit |
| 06/24/1999 | WO1999026338B1 Method and apparatus for estimating a frequency offset |
| 06/23/1999 | EP0923809A1 Satellite receiver |
| 06/23/1999 | CN1220797A Apparatus, method and article of manufacture for carrier frequency compensation in an FM radio transmitter |
| 06/23/1999 | CN1220785A Apparatus, method and article of manufacture for carrier frequency compensation in an FM radio |
| 06/17/1999 | WO1999030420A1 A communication system, a communication device and a frequency synthesizer |
| 06/16/1999 | CN1220059A Tuning system for achieving quick acquisition times for digital satellite receiver |
| 06/15/1999 | CA2103786C Quadrature amplitude modulation synchronization method |
| 06/08/1999 | US5911118 Scanner with audible identification of tuned channel |
| 06/03/1999 | WO1999027667A1 Radio receiver with two tuners and a switch for verifying reception quality at an alternative frequency |
| 06/02/1999 | EP0919084A2 Digital communication device |
| 05/27/1999 | WO1999026339A1 Method and apparatus for locating digital carrier signals |
| 05/27/1999 | WO1999026338A1 Method and apparatus for estimating a frequency offset |
| 05/26/1999 | CN1217839A Receiver with frequency-deviation correcting function |
| 05/20/1999 | DE19751189A1 Radio receiver with receiver quality check e.g. for vehicle radios |
| 05/20/1999 | DE19751134A1 Automatic method to test and set up high frequency stages in equipment with digital signal processing, especially for filter tuning |
| 05/18/1999 | US5905762 Receiver synchronization using punctured preamble |
| 05/18/1999 | CA2137010C Subscriber unit for wireless digital subscriber communication system |
| 05/14/1999 | WO1999023759A1 Apparatus for and method of synchronising oscillators within a data communication system |
| 05/12/1999 | EP0915569A1 Method and apparatus for fast recovery from loss of lock in a phase locked loop |
| 05/12/1999 | EP0914714A2 Receiver having a phase-locked loop |
| 05/12/1999 | CN1216429A Radio pager |
| 05/11/1999 | US5903600 Automatic frequency control circuit for digital radio communication system |
| 05/11/1999 | US5903196 Self centering frequency multiplier |
| 05/06/1999 | EP0913936A2 Communication system with frequency control circuit |
| 05/06/1999 | EP0913031A1 Method and system for tuning resonance modules |
| 05/06/1999 | CA2252241A1 Method and apparatus for fast recovery from loss of lock in a phase locked loop |
| 05/05/1999 | CN1216176A Method and system for determining integrity of received signal |
| 05/04/1999 | US5900751 Automatic frequency control circuit with simplified circuit constitution |
| 04/29/1999 | WO1999021276A1 Method and apparatus for compliance to multiple frequency plans |
| 04/21/1999 | EP0910167A1 Multi-tuner data multiplex broadcast receiver |
| 04/14/1999 | CN1213904A Transceiver |
| 04/07/1999 | CN1213213A High frequency apparatus |
| 04/06/1999 | CA2173785C Automatic frequency control circuit applicable to a mobile communication system |
| 03/31/1999 | EP0904635A1 An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio |
| 03/31/1999 | CN1212563A Integrated circuit for frequency modulation |
| 03/31/1999 | CN1212387A Automatic radio station memory programming |
| 03/30/1999 | CA2104182C Double conversion digital tuning system |
| 03/25/1999 | WO1999014914A1 Afc circuit, carrier reproducing circuit, and receiver |
| 03/25/1999 | WO1998053554A3 Receiver having a phase-locked loop |
| 03/24/1999 | EP0903021A2 A radio receiver for receiving a main radio broadcast signal and a monolythic integrated circuit for use in such radio receiver |
| 03/24/1999 | CN1211870A Selective RF circuit with varactor tuned bandpass switched bandpass filters |
| 03/23/1999 | US5887246 Amplifier circuit for an intermediate-frequency signal of a radio receiver |
| 03/23/1999 | CA2086644C Frequency sweep control apparatus |
| 03/18/1999 | DE19841236A1 High frequency device |
| 03/17/1999 | EP0901725A1 An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio transmitter |
| 03/17/1999 | EP0901664A1 Method and device for the contactless transmission of energy or data |
| 03/17/1999 | CN1211354A Temperature compensation circuit for a crystal oscillator and method of providing same |
| 03/17/1999 | CN1211324A GPS receiver and method for processing GPS signals |
| 03/16/1999 | US5884214 GPS receiver and method for processing GPS signals |
| 03/11/1999 | WO1998058451A3 Digital communication device |
| 03/11/1999 | WO1998032232A3 Assessment of digital signals, especially radio data signals |
| 03/10/1999 | EP0900479A1 Highly stable frequency synthesizer loop with feedforward |
| 03/09/1999 | US5881111 Frequency sweep circuit |
| 03/09/1999 | CA2004542C Automatic antenna tuning method and apparatus |
| 03/03/1999 | EP0899897A2 Method ffor adjusting the carrier frequency of a user station in a point to multipoint transmission system |
| 03/03/1999 | EP0899877A1 IC for tuner |
| 03/03/1999 | EP0899876A1 Automatic radio station memory programming |
| 03/02/1999 | US5878330 Satellite communications system including automatic frequency control |
| 03/02/1999 | US5878090 Receiver synchronization using punctured preamble |
| 03/02/1999 | US5877822 Method for storing digital channel tuning data, and circuit, television receiver and video cassette recorder implementing the method |
| 02/26/1999 | CA2240425A1 Automatic radio station memory programming |
| 02/23/1999 | US5875388 Crystal oscillator with automatic compensation for aging and temperature |
| 02/23/1999 | US5874914 GPS receiver utilizing a communication link |
| 02/18/1999 | WO1999008382A1 Rds frequency replacement tests at low frequency minimum level |
| 02/16/1999 | US5872815 Apparatus for generating timing signals for a digital television signal receiver |
| 02/11/1999 | DE19734168A1 RDS-AF-Tests im NF-Pegelminimum RDS AF tests in NF-level minimum |
| 02/10/1999 | EP0896429A1 Method for measuring and correcting the frequency of a local oscillator |
| 02/04/1999 | DE19733079A1 Method for creating reference frequency in frequency converters |
| 02/03/1999 | EP0894363A1 Automatic frequency control with adjacent channel interference protection |
| 02/02/1999 | US5867503 Digital sound broadcasting receiver and automatic phase controlling method therefor |
| 02/02/1999 | US5867411 Kalman filter ionospheric delay estimator |
| 01/27/1999 | CN1206253A Auto frequency control apparatus |
| 01/26/1999 | US5864752 Radio scan method with spatial channel marking |
| 01/26/1999 | CA2072474C Radio receiver capable of suppressing a frequency drift in an intermediate frequency |
| 01/20/1999 | EP0891653A1 Tuning system for achieving quick acquisition times for a digital satellite receiver |
| 01/20/1999 | CN1041781C Previous channel feature in television receiver having multiple rf inputs |
| 01/13/1999 | CN1205134A Receiver tuning |
| 01/12/1999 | US5859674 Tuning circuit for a receiver, particularly a television receiver |
| 01/12/1999 | US5859570 Frequency synthesizer using divided and frequency converted DDS signal as reference for PLL |
| 01/07/1999 | WO1999000967A1 Method of synchronization |
| 01/05/1999 | US5857004 Digital data receiver |
| 01/05/1999 | CA2075756C Frequency converter circuit |
| 12/30/1998 | EP0886921A1 Temperature compensation circuit for a crystal oscillator and method of providing same |
| 12/30/1998 | EP0886916A2 Method and system for determining the integrity of a received signal |
| 12/30/1998 | CN1203708A Highly stable frequency synthesizer loop with feedforward |
| 12/30/1998 | CA2235064A1 Digital demodulator |
| 12/23/1998 | WO1998058451A2 Digital communication device |
| 12/23/1998 | EP0886450A2 Battery saving in a frequency divided paging network |
| 12/23/1998 | EP0885492A1 An improved gps receiver utilizing a communication link |
| 12/17/1998 | WO1998057470A1 Clock regeneration circuit |
| 12/17/1998 | WO1998057467A1 Method and apparatus for band-adaptive demodulation |
| 12/16/1998 | EP0884845A1 Automatic frequency control method and circuit |
| 12/16/1998 | EP0883951A1 Receiver with filter offset correction |
| 12/10/1998 | WO1998038731A3 Method and system for controlling frequency |
| 12/09/1998 | CN1201568A Tuning control manner |
| 12/03/1998 | CA2238741A1 Apparatus and tuning method for a voltage controlled oscillator |
| 12/02/1998 | EP0880713A1 Combined gps positioning system and communications system utilizing shared circuitry |
| 11/26/1998 | WO1998053554A2 Receiver having a phase-locked loop |
| 11/24/1998 | US5841396 To calibrate a local oscillator in a mobile gps receiver |