Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745) |
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07/06/1976 | US3968325 Television receiver with noise immune AFC circuit |
06/29/1976 | US3967203 Signal seeking receiver stopping circuit |
06/29/1976 | US3967057 Automatic tuning apparatus |
06/22/1976 | US3965423 Automatic frequency control system |
06/22/1976 | US3965336 Radio or television receiver with an automatic station finding arrangement |
06/22/1976 | US3965288 Automatic tuning apparatus |
06/08/1976 | US3962640 Frequency selection and control |
06/08/1976 | US3962533 Television receiver |
06/01/1976 | US3961267 Channel selecting control system for television tuner including unused channel skip system |
06/01/1976 | US3961266 Channel seeking tuning system |
06/01/1976 | US3961263 Bandstart detector system for a television tuning system |
06/01/1976 | US3961262 FM receiver and demodulation circuit |
06/01/1976 | US3961261 Crystalless scanning radio receiver |
06/01/1976 | US3961255 Measurement bandwidth enhancement in phase lock loops |
05/25/1976 | US3959728 Local oscillation circuit for tuner having reduced inter-channel deviation in AFC sensitivity |
05/18/1976 | US3958180 Varactor tuner frequency controller |
05/11/1976 | US3956702 Band decoder for all-channel digital tuning system |
05/04/1976 | US3955137 Adjustable frequency scanning signal processor |
04/27/1976 | US3953801 Receiver digital control system |
04/13/1976 | US3950702 Circuits for detecting trigger signals for use in synthesizing type receivers |
04/06/1976 | US3949312 Frequency scanning means and method |
04/06/1976 | US3949164 Television signal detecting circuit |
04/06/1976 | US3949158 Wide band aft circuit for television receiver |
03/30/1976 | US3947774 Signal seeking stopping circuit receiver |
03/30/1976 | US3947772 AFC tuning circuit |
03/23/1976 | US3946329 Electronic automatic frequency tuning system |
03/23/1976 | US3946319 All electronic digital tuner system with memory |
03/23/1976 | US3946148 Television receiver operable in exact or extended range tuning modes |
03/16/1976 | US3944931 Multi-channel frequency converter having automatic control |
03/16/1976 | US3944725 Wide band automatic frequency control circuit |
03/09/1976 | US3943459 Tuning system for a microwave local oscillator |
03/09/1976 | US3943449 Multi-speed ramp for a varactor tuning system |
03/02/1976 | US3942171 Scanning system for digital-analog converter |
03/02/1976 | US3942121 Digital tuning method and system |
02/24/1976 | US3940714 AFC circuit with improved sensitivity |
02/24/1976 | US3940702 Automatically presetting channel selecting system |
02/24/1976 | US3940697 Multiple band scanning radio |
02/24/1976 | US3940554 Automatic frequency control device for television receiver |
02/17/1976 | US3939427 Automatic fine tuning defeat circuit |
02/03/1976 | US3936763 Null input OMEGA tracking filter system |
02/03/1976 | US3936753 Digital automatic frequency control circuit |
01/20/1976 | US3934205 Frequency lock loop employing a gated frequency difference detector having positive, zero and negative threshold detectors |
01/20/1976 | US3934191 Circuit arrangement for generating a stabilized direct voltage with superposition of a control voltage |
01/13/1976 | US3932814 Heterodyne receiver system |
01/06/1976 | US3931579 Digital signal seeking tuning system |