| Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745) |
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| 04/26/1995 | CN1102029A Apparatus for finely adjusting tuning data for a television receiver and the method thereof |
| 04/25/1995 | US5410368 Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval |
| 04/25/1995 | US5410196 Circuit for finding the frequency band of an input signal which might have different frequency bands |
| 04/18/1995 | US5408688 Method and a device pertaining to an electro-mechanically controlled resonance module |
| 04/12/1995 | EP0647373A1 Device and method for tuning a combiner filter |
| 04/04/1995 | US5404589 FM receiver with dynamic intermediate frequency (IF) filter tuning |
| 04/04/1995 | US5404588 RDS receiver with improved alternate frequency switchover |
| 04/04/1995 | US5404587 AFC circuit and IC of the same adapted for lower heterodyne conversion and upper heterodyne conversion |
| 03/30/1995 | DE4333191A1 Method for frequency correction and radio-frequency receiving device |
| 03/30/1995 | DE4332798A1 Circuit arrangement for a tunable resonant circuit |
| 03/23/1995 | DE4433714A1 Device and method for station selection |
| 03/23/1995 | DE4331882A1 Method for operating optical heterodyne receivers with a control device which has a capture range to regulate an intermediate frequency of the receiver at an ideal value and a receiver to carry out a method of this type |
| 03/14/1995 | US5397988 Method and device for tuning a HF source, in particular for tuning a microwave source of an electron spin resonance spectrometer |
| 02/14/1995 | US5390343 Method of tuning a radio receiver using RDS information |
| 02/14/1995 | US5389930 Power saving type multi-band microwave detector |
| 02/08/1995 | EP0637882A1 Automatic frequency control arrangement |
| 02/07/1995 | US5388125 Frequency converter circuit with improved intermediate frequency stability |
| 02/07/1995 | CA2127190A1 Apparatus and method for automatically controlling a reference frequency in a dual mode receiver |
| 01/25/1995 | EP0635980A2 Broadcast reception |
| 01/25/1995 | CN1097915A High frequency receiving apparatus |
| 01/12/1995 | DE4422998A1 Empfangs-TV-Stationsauswahleinheit eines TV-VTR Reception TV station selection unit of a TV VTR |
| 12/28/1994 | EP0631387A1 Automatic frequency control using split-band signal strength measurements |
| 12/22/1994 | WO1994029984A1 Process and arrangement for adjusting the local oscillators of a receiver in a multi-channel transmission system |
| 12/20/1994 | US5374905 Phase locked loop motor control circuit for tuning cavity resonator |
| 12/14/1994 | EP0629084A1 Apparatus and method for extending pulling range of automatic fine tuning of television receiver |
| 12/14/1994 | EP0629041A1 Automatic frequency control apparatus and method therefor |
| 12/13/1994 | US5373247 Automatic frequency control method and circuit for correcting an error between a received carrier frequency and a local frequency |
| 12/07/1994 | CN1096149A Multi-broadcasting receiver |
| 11/30/1994 | EP0626775A1 Tuning system with a voltage synthesizer and a digital memory |
| 11/30/1994 | EP0514388B1 Method for adjusting analog circuit parts in an integrated circuit |
| 11/30/1994 | EP0433369B1 Adaptive scanning method |
| 11/24/1994 | WO1994027369A1 Radio broadcast reception process and circuitry |
| 11/24/1994 | WO1994027368A1 Radio broadcast reception process and circuitry |
| 11/24/1994 | WO1994027366A1 Circuitry for alternately receiving at least two broadcast stations |
| 11/02/1994 | EP0622963A2 Apparatus for adaptively tuning to a received periodic signal |
| 11/01/1994 | US5361407 Double superheterodyne receiver with independent frequency calibration of two local oscillators |
| 10/19/1994 | EP0620643A1 Circuit for generating a stop signal for a scanning action |
| 10/11/1994 | US5355393 Digital oscillator for carrier frequency synchronization |
| 09/20/1994 | US5349700 Antenna tuning system for operation over a predetermined frequency range |
| 09/20/1994 | US5349699 Radio receiver with masking of switchover noise |
| 09/15/1994 | WO1994021073A1 Digital demodulator |
| 09/15/1994 | WO1994021042A1 Auto-tuning microwave filter |
| 09/15/1994 | CA2135490A1 Digital demodulation circuit |
| 09/14/1994 | CN1092225A 无线电接收机 Radio receiver |
| 09/13/1994 | CA2057083C Digital method and apparatus for measuring the frequency of an if signal |
| 09/08/1994 | DE4306578A1 Method for receiving RF signals using a double heterodyne receiver |
| 09/06/1994 | US5345607 RDS radio receiver with program type mode |
| 08/30/1994 | US5343499 Quadrature amplitude modulation synchronization method |
| 08/30/1994 | US5343414 Apparatus for adaptively tuning to a received periodic signal |
| 08/23/1994 | US5341402 Automatic frequency control method and device for use in receiver |
| 08/16/1994 | CA2006764C Channel selecting apparatus |
| 08/02/1994 | US5335364 Circuit arrangement for automatic frequency control in a radio telephone |
| 08/02/1994 | US5335354 Demodulation circuit having automatic frequency control function |
| 08/02/1994 | US5335348 Radio receiver having frequency sweep control apparatus |
| 07/21/1994 | WO1994016497A1 Device and method for tuning a combiner filter |
| 07/07/1994 | WO1994015409A1 Frequency control system |
| 06/30/1994 | DE4342248A1 Kommunikationsvorrichtung und Verfahren zu ihrer Kalibrierung Communication device and method for its calibration |
| 06/30/1994 | DE4305483C1 Assigning station positions to radio or TV channels |
| 06/29/1994 | EP0603792A2 FM tuner |
| 06/15/1994 | CN1025095C Stability detection method and apparatus for tuning system |
| 06/14/1994 | US5321851 Radio receiver comprising automatic gain controlling function |
| 06/14/1994 | US5321850 Diversity radio receiver automatic frequency control |
| 06/09/1994 | DE4320674A1 Frequency recognition circuit for multiple frequency input signals - contains signal sampling and frequency discriminator stages, control stage and output stage with temporary memory |
| 06/01/1994 | EP0599414A2 A direct conversion receiver |
| 06/01/1994 | EP0599409A2 A direct conversion receiver |
| 05/24/1994 | US5315262 Demodulator alignment method and apparatus |
| 05/18/1994 | EP0597492A1 Radio data system receiver |
| 05/17/1994 | CA2034088C Digitally frequency-locking a radio transceiver to the received signal |
| 05/10/1994 | US5311318 Double conversion digital tuning system using separate digital numbers for controlling the local oscillators |
| 05/03/1994 | US5309429 Transmitter-receiver |
| 04/26/1994 | US5307513 Channel frequency storing method for a vehicle radio |
| 04/20/1994 | EP0592975A2 Voltage synthesis tuning method for television signal receivers with direct channel call |
| 04/20/1994 | EP0303715B1 Receiver |
| 04/13/1994 | CN1085365A A communications system |
| 04/12/1994 | US5303400 Radio frequency receiver including dual receivers for increasing scanning speed |
| 04/12/1994 | US5303398 Stability detection method and apparatus for a tuning system |
| 04/05/1994 | US5301358 Automatic antenna tuning method and apparatus |
| 04/05/1994 | US5300935 Antenna controlling apparatus and method thereof |
| 03/29/1994 | US5299011 Method of and apparatus for channel scanning |
| 03/09/1994 | EP0585693A2 A communications system |
| 02/23/1994 | EP0583847A1 Detection device and receiver for receiving high-frequency signals and comprising such a detection device |
| 02/23/1994 | EP0583846A1 Receiver for receiving high-frequency signals |
| 02/22/1994 | US5289506 Automatic frequency control circuit |
| 02/22/1994 | US5289285 CS broadcast receiving system providing increased tuning accuracy when reciving a CS sound broadcast signal |
| 02/17/1994 | WO1994003981A1 Radio having a combined pll and afc loop and method of operating the same |
| 02/16/1994 | CN1082278A Virtual radio interface |
| 02/15/1994 | US5287388 Frequency offset removal method and apparatus |
| 02/01/1994 | US5283532 Receiver having a local oscillator first synchronized to a reference frequency and then to a received signal |
| 02/01/1994 | CA2009468C Frequency control apparatus and method for a digital radio receiver |
| 01/31/1994 | CA2101592A1 Frequency stabilizing circuit for a /4 shift qpsk signal receiver |
| 01/26/1994 | EP0580294A2 Automatic frequency control circuit |
| 01/19/1994 | EP0579236A1 Keyed pulse sensor circuit |
| 01/18/1994 | US5280644 Frequency control circuit, and associated method, for a receiver operative to receive signals-transmitted thereto in intermittent bursts |
| 01/18/1994 | US5280642 Radio receiver for identifying a region transmitting a broadcast signal |
| 01/18/1994 | US5280641 Signal-strength-peak detecting circuit for automatic tuning circuit |
| 01/18/1994 | US5280640 High speed automatic frequency tuning method |
| 01/11/1994 | US5278655 Automatic channel matching system and method thereof |
| 01/06/1994 | WO1994000815A1 Virtual radio interface |
| 01/05/1994 | DE4321821A1 Receiver tuning reception frequencies - has receiver tuner in first direction from first frequency up to first limit. |
| 01/05/1994 | DE4221617A1 Radio receiver apparatus tuning method - makes traffic message channel information audible or visible when transmitted value is detected to be equal to required value. |