| Patents for H03C 3 - Angle modulation (3,926) |
|---|
| 06/30/1992 | US5126698 Phase modulator operated in saturation and with small angle modulation |
| 06/23/1992 | US5124672 Combined analog/digital frequency modulator |
| 06/16/1992 | US5123031 Control voltage generator in a transmitter arrangement for digitally modulated signals |
| 06/04/1992 | CA2048763A1 Two state phase modulator with minimum amplitude modulation |
| 06/03/1992 | EP0488624A2 A digital quadrature phase detection circuit |
| 06/02/1992 | US5119399 Quadrature measurement and calibration of a vector modulator |
| 05/13/1992 | CN1061123A Linear transmitter training method and apparatus |
| 05/06/1992 | EP0483870A2 Signal processing device |
| 05/06/1992 | EP0465559A4 Frequency synthesizer with fm modulation |
| 05/06/1992 | CN1016553B Subscriber unit for wireless digital subscriber communication system |
| 05/05/1992 | US5111163 Digital FM modulator |
| 05/05/1992 | US5111162 Digital frequency synthesizer having AFC and modulation applied to frequency divider |
| 05/01/1992 | WO1992008283A1 Controlled slew rate amplifier |
| 05/01/1992 | WO1992008280A1 Linear transmitter training method and apparatus |
| 04/28/1992 | CA1299786C Multi-function port for voltage controlled oscillator |
| 04/25/1992 | WO1992008297A1 An apparatus and method for varying a signal in a transmitter of a transceiver |
| 04/22/1992 | EP0481096A1 Method for determining the frequency amplification of a voltage-to-frequency converter |
| 04/21/1992 | US5107228 Voltage controlled oscillator employing negative resistance |
| 04/16/1992 | WO1992006535A1 A zero crossing modulator |
| 04/16/1992 | WO1992004765A3 Frequency modulated synthesizer using low frequency offset mixed vco |
| 04/15/1992 | EP0480674A2 Binary phase shift key modulator |
| 04/15/1992 | EP0480012A1 Multiaccumulator sigma-delta fractional-n synthesis. |
| 04/14/1992 | US5105446 Digital method of correcting non-linearity in a transmission chain, and apparatus implementing the method |
| 04/07/1992 | US5103187 Microwave tube amplifier stage with wide band and low dispersivity in frequency |
| 04/01/1992 | EP0477720A2 Calibration of vector modulators |
| 03/31/1992 | US5101506 Frequency calibration standard using a wide band phase modulator |
| 03/17/1992 | US5097230 Phase locked loop that includes D. C. modulation |
| 03/11/1992 | EP0474485A1 FM deviation control direct digital synthesizers |
| 03/11/1992 | EP0473816A1 Process and device for voltage-frequency conversion |
| 03/11/1992 | EP0403492A4 Bandswitching a two-way radio having a pll |
| 03/04/1992 | CN1059249A Digital fm synthesizer for record circuitry |
| 03/03/1992 | US5093637 Modulation device with input signal modification for correction of amplifier nonlinearities |
| 03/01/1992 | WO1992004766A1 Multiple latched accumulator fractional n synthesis |
| 03/01/1992 | WO1992004765A2 Frequency modulated synthesizer using low frequency offset mixed vco |
| 02/25/1992 | US5091706 Phase locked loop with D.C. modulation and use in receiver |
| 02/25/1992 | US5091705 Fm modulator |
| 02/18/1992 | CA1296064C Two-way radio having a phased locked loop |
| 02/13/1992 | DE4025034A1 Picture coding for, e.g. telefax and colour television |
| 02/06/1992 | WO1992002077A1 Fractional-n synthesizer having modulation spur compensation |
| 02/06/1992 | WO1991020124A3 Digital fm synthesizer for record circuitry |
| 01/15/1992 | EP0465559A1 Frequency synthesizer with fm modulation |
| 01/14/1992 | US5081433 Two state phase modulator with minimum amplitude modulation |
| 01/14/1992 | US5081432 Variable bi-phase modulator circuits and variable resistors for microwave signals |
| 01/07/1992 | US5079526 Frequency modulated synthesizer using low frequency offset mixed VCO |
| 01/07/1992 | US5079522 Variable frequency signal generator |
| 01/07/1992 | CA1294013C Frequency modulation in phase-locked loops |
| 12/31/1991 | CA1293778C Digital premodulation filter |
| 12/26/1991 | WO1991020124A2 Digital fm synthesizer for record circuitry |
| 12/24/1991 | US5075644 Voltage controlled oscillator with filtered and compensated modulation |
| 12/24/1991 | US5075643 Frequency modulator |
| 12/03/1991 | US5070310 Multiple latched accumulator fractional N synthesis |
| 11/27/1991 | EP0185758B1 A data frequency modulator with deviation control |
| 11/25/1991 | WO1991018444A1 Phase locked loop with d.c. modulation |
| 11/19/1991 | US5066923 Linear transmitter training method and apparatus |
| 11/19/1991 | US5066922 Stabilizing circuit for feedback RF amplifier |
| 11/05/1991 | US5063354 Frequency synthesizing device |
| 10/31/1991 | WO1991017604A1 Multiaccumulator sigma-delta fractional-n synthesis |
| 10/23/1991 | EP0400027A4 Method and apparatus for quadrature modulation |
| 10/16/1991 | EP0452192A1 Wideband amplifier stage employing a microwave tube with low frequency dispersivity |
| 10/15/1991 | US5057796 Digital frequency modulation system in which high and low frequency portions are processed separately |
| 10/14/1991 | CA2039951A1 Wideband microwave tube amplifier stage with low frequency dispersion |
| 10/08/1991 | US5055802 Multiaccumulator sigma-delta fractional-n synthesis |
| 09/24/1991 | CA1289654C 4.5 mhz (intercarrier) fm modulator |
| 09/18/1991 | EP0447210A2 Carrier reset FM modulator and method of frequency modulating video signals |
| 09/03/1991 | US5045818 PLL frequency modulator having bias voltage applied to filter capacitor |
| 09/03/1991 | US5045817 FM deviation control of direct digital synthesizers |
| 08/21/1991 | EP0442818A2 FM demodulator |
| 08/21/1991 | EP0441836A1 Diode circuit flicker-noise reduction |
| 08/20/1991 | US5041793 Controlled slew rate amplifier |
| 08/13/1991 | US5039987 Circuit for converting a phase signal to an amplitude signal |
| 08/07/1991 | EP0440449A2 Fast-switching frequency synthesizer |
| 08/06/1991 | US5038120 Frequency modulated phase locked loop with fractional divider and jitter compensation |
| 08/03/1991 | WO1991011852A1 Fast-switching frequency synthesizer |
| 07/24/1991 | EP0438260A2 Capacitor precharge for reduced synthesizer lock time |
| 07/20/1991 | CA2033747A1 Capacitor precharge for reduced synthesizer lock time |
| 07/17/1991 | EP0437362A2 Adjacent channel selectivity signal generator system |
| 07/17/1991 | EP0436704A1 Modulator circuit |
| 07/12/1991 | CA2019291A1 Adjacent channel selectivity signal generator system |
| 07/09/1991 | US5030928 Zero crossing modulator |
| 07/02/1991 | US5028886 Swept frequency slope correction system for synthesized sweeper |
| 06/25/1991 | US5027433 Remote infrared transceiver and method of using same |
| 06/25/1991 | US5027429 Frequency modulator utilizing frequency synthesizer |
| 06/25/1991 | US5027087 Fast-switching frequency synthesizer |
| 06/19/1991 | EP0432851A2 Variable bi-phase modulator circuits and variable resistors |
| 06/13/1991 | WO1991008614A1 Device generating a frequency modulated signal of the 'ramp signal' type using a surface wave dispersive filter generation |
| 06/11/1991 | US5023571 Digitally-synchronized sweep signal source |
| 06/05/1991 | CN1052011A Method of and device for producing frequency modulation |
| 06/04/1991 | US5021754 Fractional-N synthesizer having modulation spur compensation |
| 05/30/1991 | WO1991007828A1 Digital circuit for a frequency modulation and carrier synthesis in a digital radio system |
| 05/29/1991 | EP0428765A1 Method and device for frequency modulation |
| 05/16/1991 | WO1991007016A1 A phase locked loop for producing a reference carrier for a coherent detector |
| 05/14/1991 | US5016202 Interpolated swept parameter system for synthesized sweeper |
| 05/02/1991 | WO1991006149A1 Stabilizing circuit for feedback rf amplifier |
| 05/02/1991 | DE3935829A1 Linearising circuit with frequency correction self-equalisation - generates in certain time intervals calibration mode for control circuit calibration |
| 04/24/1991 | EP0423941A2 Variable frequency signal generator |
| 04/24/1991 | EP0423666A1 Digital non-linearity correction method for a transmission chain, and device for carrying out the method |
| 04/23/1991 | US5010585 Digital data and analog radio frequency transmitter |
| 04/16/1991 | US5008900 Subscriber unit for wireless digital subscriber communication system |
| 04/03/1991 | EP0420082A2 Digitally synchronized sweep signal source |
| 04/03/1991 | EP0419680A1 Frequency modulator |