| Patents for H03C 3 - Angle modulation (3,926) |
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| 01/31/1987 | CN86100634A High precision torsion moment detector and standard phase difference signal source |
| 01/28/1987 | EP0209754A2 Two-part synthesizer modulation system using a reference phase modulator |
| 01/27/1987 | US4639691 Oscillator |
| 01/13/1987 | US4636737 Frequency modulator and demodulator using material having sliding charge density waves |
| 01/07/1987 | EP0207291A2 Voltage/frequency converter |
| 01/06/1987 | US4635296 Wide bandwidth ultra high stability FM telemetry transmitter |
| 12/30/1986 | US4633197 Single resonant tank modulated oscillator |
| 12/23/1986 | US4631694 Sine wave synthesizer |
| 12/23/1986 | US4631502 Transistor modulator for converting video game signals into antenna input signals for a television receiver |
| 12/23/1986 | US4631496 Battery saving system for a frequency synthesizer |
| 12/16/1986 | US4630008 Direct FM crystal-controlled oscillator |
| 12/03/1986 | EP0203663A1 Microwave power oscillator linearly modulated in a large-frequency domain |
| 11/25/1986 | US4625319 Narrow band, SSB, FM transmitter |
| 11/04/1986 | US4621205 Method and apparatus for reducing varactor noise |
| 10/14/1986 | US4617531 Directly modulated microwave oscillator having adjustable load coupling |
| 10/09/1986 | WO1986005936A1 Digital zero-if selectivity section |
| 10/08/1986 | EP0196868A2 Frequency synthesizer modulation response linearization |
| 10/07/1986 | US4616193 High frequency transistor oscillator with discrete resonator elements for transponder |
| 10/07/1986 | CA1212420A1 System for processing audio frequency information for frequency modulation |
| 10/01/1986 | CN86101766A Digital zero-if selectivity section |
| 09/16/1986 | US4612668 FM wireless transmitter |
| 09/10/1986 | EP0194033A2 Angle modulated waveform synthesizer |
| 09/09/1986 | CA1211159A2 Transform modulation receiver |
| 09/02/1986 | US4610030 Frequency modulated transmitter applicable to MF broadcasting |
| 09/02/1986 | US4609886 PLL modulation circuit |
| 08/26/1986 | US4608604 Circuit for reducing AFC offset error |
| 07/22/1986 | US4602225 Apparatus for frequency correction in a frequency synthesizer |
| 07/22/1986 | US4602224 Variable capacitance reactance circuit |
| 07/02/1986 | CA1207084A Transform modulation system |
| 07/02/1986 | CA1207039A Constant envelope offset qpsk modulator |
| 06/24/1986 | CA1206540A1 Single-stage oscillator having low-impedance feedback port |
| 06/17/1986 | US4595888 Pre-distortion shaping network |
| 06/11/1986 | EP0184280A1 Frequency-stabilized two-state modulation |
| 06/03/1986 | US4593256 Oscillator with switched reactance resonator for wide bandwidth and serial bias connections for low power |
| 05/28/1986 | EP0182425A1 Modulating circuit of television signals |
| 05/27/1986 | CA1205151A1 Voltage controlled oscillator having approximately constant modulation sensitivity |
| 05/20/1986 | US4590445 Device for generating a frequency modulated signal |
| 05/13/1986 | CA1204473A1 Diode driver circuit |
| 04/29/1986 | CA1203856A1 Frequency modulating circuit |
| 04/22/1986 | US4584542 Frequency modulator having parallel-connected phase adder and oscillator amplification elements |
| 04/22/1986 | US4584541 Digital modulator with variations of phase and amplitude modulation |
| 04/08/1986 | US4581766 Trigonometric transform function generator |
| 04/08/1986 | US4581749 Data frequency modulator with deviation control |
| 04/08/1986 | CA1203024A2 Cosine signal correction circuit |
| 04/08/1986 | CA1203009A1 Fm/tv automatic gain control system |
| 04/01/1986 | US4580110 Frequency modulator using material having sliding charge density waves |
| 04/01/1986 | US4580108 Tunable waveguide oscillator |
| 03/26/1986 | EP0175058A2 Method and circuit for generating a D.C. control voltage |
| 03/25/1986 | US4578818 System for processing audio frequency information for frequency modulation |
| 03/18/1986 | US4577238 Circuit for reducing intermodulation distortion in a frequency-modulated signal |
| 03/04/1986 | CA1201492A1 Distortion compensation for a microwave amplifier |
| 02/26/1986 | EP0172679A1 Frequency modulation and demodulation |
| 02/25/1986 | US4573026 FM Modulator phase-locked loop with FM calibration |
| 02/25/1986 | CA1201171A1 Frequency modulation transmitter |
| 02/19/1986 | EP0171529A2 Tunable resonance circuit for a PLL-FM demodulator |
| 02/18/1986 | CA1200855A1 Modulator for the transmission of analog data |
| 02/04/1986 | US4568892 FM Modulator using an oscillating feedback circuit |
| 01/30/1986 | WO1986000767A1 A data frequency modulator with deviation control |
| 01/28/1986 | US4567603 FSK Modulator and method for NRZ data transmission utilizing PLL frequency synthesis |
| 01/21/1986 | US4565978 Integrable oscillator circuit |
| 01/08/1986 | EP0166806A2 A cosine signal corrector |
| 12/31/1985 | US4562414 Digital frequency modulation system and method |
| 12/24/1985 | US4560960 Digital frequency synthesizer for generating a frequency-modulated signal and radio frequency apparatus including such a device |
| 12/19/1985 | EP0151629A4 Linear gain voltage controlled oscillator with modulation compensation. |
| 12/11/1985 | EP0036431B1 Transmitter having a phase-locked loop |
| 11/19/1985 | US4554672 Phase and frequency variable oscillator |
| 11/19/1985 | US4554517 Device for the automatic linearization of the control signal-frequency characteristic of a frequency-modulated variable frequency oscillator |
| 11/06/1985 | EP0160149A2 Pre-distortion shaping networks |
| 10/22/1985 | US4549152 Broadband adjustable phase modulation circuit |
| 10/15/1985 | US4547751 System for frequency modulation |
| 10/08/1985 | US4546377 Circuit arrangement for processing color television signals |
| 10/08/1985 | US4546331 Frequency modulation in a phase-locked loop |
| 10/08/1985 | US4546328 PLL Swept frequency generator with programmable sweep rate |
| 10/08/1985 | CA1194932A1 Frequency synthesizer |
| 09/24/1985 | US4543542 Phase locked loop frequency and phase modulators |
| 09/24/1985 | CA1194156A1 Phase-locked loop with d.c. modulation capability |
| 09/17/1985 | US4542352 Cavity oscillator with undesired mode absorbing waveguides for linear FM |
| 09/11/1985 | EP0153986A1 A signum signal generator |
| 09/10/1985 | US4540958 Zero if frequency-modulator |
| 09/04/1985 | EP0153868A2 FM calibration in a phase-locked loop |
| 08/28/1985 | EP0153195A2 Frequency modulation apparatus employing a phase-locked loop |
| 08/27/1985 | US4538122 Diode oscillator with independently variable frequency and power |
| 08/21/1985 | EP0151629A1 Linear gain voltage controlled oscillator with modulation compensation |
| 08/06/1985 | US4533882 Frequency modulator wherein modulation takes place in a feedback loop of an oscillator |
| 08/06/1985 | US4533866 Circuit for automatically setting a predetermined frequency component of the sweep oscillator of a spectrum analyzer to a prescribed point of the frequency coordinates of a display device |
| 08/06/1985 | US4533838 Diode driver circuit having stored charge control means |
| 07/30/1985 | US4532477 Distortion compensation for a microwave amplifier |
| 07/24/1985 | EP0149322A2 Method and apparatus for reducing varactor noise |
| 07/23/1985 | US4531155 Circuit for independently adjusting frequency deviation of a VCO |
| 07/09/1985 | US4528527 SECAM Modulator |
| 07/09/1985 | US4528526 PSK modulator with noncollapsable output for use with a PLL power amplifier |
| 07/09/1985 | US4528522 FM Transceiver frequency synthesizer |
| 07/03/1985 | EP0146860A2 Wide-band frequency discriminator |
| 07/02/1985 | CA1189915A1 Swallow counter for a frequency synthesizer |
| 07/02/1985 | CA1189909A1 Transform modulation system |
| 06/25/1985 | US4525862 Transmission system |
| 06/19/1985 | EP0144538A2 A trigonometric transform function generator |
| 05/28/1985 | US4520326 Single-stage oscillator having low-impedance feedback port |
| 05/22/1985 | EP0141933A2 Integrated circuit oscillator |
| 05/15/1985 | EP0141741A2 Frequency modulation transmitter for FM broadcasting |