Patents for H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations (1,662) |
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10/12/1982 | US4354124 Digital phase comparator circuit |
09/29/1982 | EP0060862A1 Generator circuit of a regulation voltage function of a differential frequency or phase and utilization of such circuit. |
09/15/1982 | EP0059773A1 Digital circuit delivering a binary signal whenever two signals have a predetermined frequency ratio, and its use in colour television receivers |
08/24/1982 | CA1130399A1 Digital phase comparing apparatus |
07/13/1982 | US4339726 Demodulator of angle modulated signal operable by low power voltage |
06/23/1982 | EP0054322A1 Phase sensitive detector |
04/27/1982 | CA1122660A1 Automatic fine tuning circuit |
04/15/1982 | WO1982001289A1 Generator circuit of a regulation voltage function of a differential frequency or phase and utilization of such circuit |
03/30/1982 | US4322643 Digital phase comparator with improved sensitivity for small phase differences |
01/26/1982 | US4313089 Precision quadrature analog phase detector |
12/15/1981 | CA1114462A1 Signal detector including sample and hold circuit with reduced offset error |
12/08/1981 | US4305040 Phase detection system |
11/25/1981 | EP0040273A1 Phase detector for television tuning systems and the like |
10/13/1981 | CA1110715A1 Digital phase comparison apparatus |
09/22/1981 | US4291274 Phase detector circuit using logic gates |
08/25/1981 | US4286223 Wideband digital frequency discriminator and phase and frequency detector |
08/11/1981 | US4283792 Automatic fine tuning circuit |
07/28/1981 | US4281259 Digital phase comparing apparatus |
07/07/1981 | US4277754 Digital frequency-phase comparator |
06/30/1981 | US4276512 Phase detector for phase locked loops |
05/20/1981 | EP0028675A1 CCD integrated circuit |
05/12/1981 | US4267514 Digital phase-frequency detector |
05/05/1981 | US4266245 Differential amplifier current repeater |
04/22/1981 | EP0027289A1 Digital signal transmission system |
02/11/1981 | EP0023735A1 Circuit arrangement for comparing two alternating voltages of the same frequency |
12/30/1980 | US4242602 Phase comparator circuit with gated isolation circuit |
12/02/1980 | US4237423 Digital phase detector |
11/25/1980 | US4236117 FM Detector using a phase shift network and an analog multiplier |
10/21/1980 | US4229759 Signal detector including sample and hold circuit with reduced offset error |
09/09/1980 | CA1085470A1 Angle-modulation detector, for example, a quadrature type phase detector |
08/05/1980 | US4216396 Sample-hold phase detector |
05/28/1980 | EP0011128A1 Digital phase comparing apparatus |
05/06/1980 | US4201948 Phase-locked loop clock pulse extraction circuit |
04/29/1980 | US4200845 Phase comparator with dual phase detectors |
01/29/1980 | CA1070764A1 Frequency-comparing devices |
01/15/1980 | US4184122 Digital phase comparison apparatus |
01/08/1980 | CA1069592A1 Digital phase comparator |
12/11/1979 | US4178308 Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid) |
08/07/1979 | US4163951 Frequency discriminator producing at least one of two pulse sequences representing in average the result of frequency discrimination |
06/26/1979 | CA1057367A1 Fm demodulator |
06/19/1979 | CA1056912A1 Phase comparator and process for the operation thereof |
05/15/1979 | US4155045 Method and apparatus for detection of phase difference between two electrical signals |
04/24/1979 | US4151473 Phase detector circuit |
02/07/1979 | EP0000493A1 Process for the preparation of 1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid (H acid). |
01/23/1979 | CA1047126A1 Phase-locked loop having a slight phase offset error |
12/26/1978 | CA1045219A1 Phase demodulator |
11/28/1978 | US4127825 Linear frequency discriminator |
10/10/1978 | US4119919 Frequency discriminator circuit |
09/19/1978 | US4115728 Frequency-comparing devices |
08/08/1978 | US4105947 Pulse wave phase and frequency detector |
07/11/1978 | US4100500 Angle-modulation detector having push-pull input applied through high-pass filters |
01/10/1978 | US4068181 Digital phase comparator |
10/18/1977 | US4054840 FM demodulator using multiplier to which delayed and undelayed input signals are applied |
09/27/1977 | US4051440 Phase locked demodulator |
08/02/1977 | US4039967 Phase-locked loop having a slight phase offset error |
08/02/1977 | US4039859 Phase comparator and process for the operation thereof |
07/12/1977 | US4035727 Multichannel radio transmitter with means to prevent abnormal wave radiation |
06/21/1977 | US4031478 Frequency comparator |
02/01/1977 | US4006423 Phase detector |
11/02/1976 | US3989931 Pulse count generator for wide range digital phase detector |
07/20/1976 | US3970868 Phase comparator |
04/06/1976 | US3949314 Phase demodulator |