| Patents for H03K 9 - Demodulating pulses which have been modulated with a continuously-variable signal (1,929) |
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| 03/21/1991 | WO1991003871A1 Fully integrated digital fm discriminator |
| 03/20/1991 | EP0417578A2 Circuit for driving a liquid crystal display |
| 02/27/1991 | EP0112380B1 Frequency to current converter circuit |
| 01/29/1991 | CA1279706C Phase-locked loop with redundant reference input |
| 01/15/1991 | US4985684 Fully integrated digital FM discriminator |
| 11/28/1990 | EP0247189A4 Method and apparatus for encoding and transmitting signals |
| 06/06/1990 | EP0371193A1 Process and device for the conversion of voltage into frequency |
| 03/20/1990 | US4910448 PWM circuit |
| 11/23/1989 | EP0342801A2 Signal processing system for period-to-voltage conversion |
| 07/11/1989 | US4846579 Frequency-voltage converting circuit |
| 06/27/1989 | US4843339 Isolation amplifier including precision voltage-to-duty-cycle converter and low ripple, high bandwidth charge balance demodulator |
| 06/27/1989 | CA1256607A1 Burst demodulator |
| 04/05/1989 | EP0310170A2 Converter device |
| 03/28/1989 | US4816704 Frequency-to-voltage converter |
| 01/24/1989 | US4800338 Pulse count type FM demodulator |
| 01/17/1989 | US4798973 High frequency charge pump/integrator circuit |
| 12/06/1988 | US4789976 Temperature compensation circuit for a delay circuit utilized in an FM detector |
| 10/11/1988 | US4777450 Circuit for demodulating a frequency-modulated signal |
| 09/07/1988 | CN88101063A Linearity control circuit for digital to analog converter |
| 09/06/1988 | US4769798 Successive period-to-voltage converting apparatus |
| 08/10/1988 | EP0277638A2 Successive period-to-voltage converting apparatus |
| 01/07/1988 | EP0251239A2 FM Demodulator |
| 12/29/1987 | US4716398 Linearity control circuit for digital to analog converter |
| 12/02/1987 | EP0247805A2 Circuit for demodulating a frequency-modulated signal |
| 12/02/1987 | EP0247189A1 Apparatus for encoding and transmitting signals. |
| 11/17/1987 | US4707666 Frequency demodulator circuit with zero-crossing counter |
| 10/29/1987 | DE3614080A1 Demodulator |
| 06/04/1987 | WO1987003434A1 Method and apparatus for encoding and transmitting signals |
| 05/26/1987 | US4668918 Low order charge-pump filter |
| 04/28/1987 | EP0151633A4 An interruptible voltage-controlled oscillator. |
| 04/16/1987 | DE3536475A1 Frequency-voltage converter |
| 02/10/1987 | US4642562 Phase difference demodulator |
| 02/04/1987 | EP0210292A1 Frequency demodulation circuit with zero-crossing counter |
| 12/09/1986 | CA1215139A1 Frequency to current converter circuit |
| 09/24/1986 | EP0195500A2 Charge-pump circuit for a phase-locked loop |
| 08/12/1986 | US4605901 For a motor speed control system |
| 07/29/1986 | US4603301 Amplitude insensitive delay lines in a frequency modulated signal detector |
| 07/22/1986 | US4602223 High rate modulator/demodulator for digital signals amplitude modulated on digital data |
| 07/02/1986 | CA1207037A Demodulator |
| 07/01/1986 | US4598251 Frequency to current converter circuit |
| 05/21/1986 | EP0181517A1 Demodulator for an asynchronous binary signal |
| 04/29/1986 | US4585960 Pulse width to voltage converter circuit |
| 04/22/1986 | US4584691 Timed pulse communication system |
| 04/22/1986 | US4584489 Multichannel time-voltage converter |
| 03/18/1986 | EP0112380A4 Frequency to current converter circuit. |
| 02/12/1986 | EP0170804A1 Phase difference demodulator |
| 01/21/1986 | US4565976 Interruptable voltage-controlled oscillator and phase-locked loop using same |
| 09/17/1985 | US4542371 Method of converting a digital signal into an analog signal and a converter therefor |
| 08/21/1985 | EP0151633A1 An interruptible voltage-controlled oscillator. |
| 07/24/1985 | EP0149577A2 Method for converting an analog signal into a pulse signal and inverse conversion method, conversion apparatus for implementing these methods, transmission systems and control and regulation systems comprising such apparatus |
| 07/02/1985 | US4527276 Digital pulse position modulation communications system with threshold extension |
| 06/04/1985 | US4521736 Demodulator for pulse width modulated signals |
| 05/08/1985 | EP0140082A2 Electronic circuit for converting a pulse width into a proportional voltage |
| 04/09/1985 | US4510453 Frequency modulation or pulse modulation demodulator |
| 02/28/1985 | WO1985000941A1 An interruptible voltage-controlled oscillator |
| 01/29/1985 | US4496858 Frequency to voltage converter |
| 07/24/1984 | US4462051 Demodulator for an asynchronous binary signal |
| 07/04/1984 | EP0112380A1 Frequency to current converter circuit. |
| 07/03/1984 | US4458164 Frequency to voltage transducer |
| 05/01/1984 | US4446439 Frequency/voltage conversion circuit |
| 03/06/1984 | US4435682 Frequency demodulator employing a circuit having a delay varying with the received frequency |
| 01/25/1984 | EP0099265A1 Demodulator |
| 01/17/1984 | US4426623 Ripple free amplitude demodulator |
| 01/05/1984 | WO1984000087A1 Frequency to current converter circuit |
| 12/27/1983 | US4423498 Control apparatus for a recording medium drive motor in a digital information reproducing apparatus |
| 12/06/1983 | US4419630 Phase demodulator utilizing a frequency divider, synchronous filter, and phase comparator |
| 10/26/1983 | EP0092258A2 Frequency-voltage converter |
| 10/12/1983 | EP0091215A2 Demodulator for an asynchronous binary signal |
| 10/04/1983 | US4408166 Pulse width modulation decoder |
| 06/21/1983 | US4389621 Phase locked loop stabilized against temperature and voltage variations |
| 04/27/1983 | EP0077332A1 Pulse width modulation decoder |
| 01/25/1983 | CA1140218A1 Phase discriminator |
| 12/28/1982 | US4366399 Frequency discrimination circuit |
| 10/12/1982 | US4353601 Vehicle skid control |
| 09/21/1982 | US4350957 Pulse counter-type FM detector |
| 08/17/1982 | US4345211 Digital phaselock demodulator |
| 07/13/1982 | CA1127724A1 Switching circuit with mos field effect transistor |
| 07/08/1982 | WO1982002300A1 Pulse width modulation decoder |
| 06/29/1982 | CA1126865A1 Programmable digital tone detector |
| 05/18/1982 | US4330753 Method and apparatus for recovering a signal from a charge transfer device |
| 03/30/1982 | US4322712 Elevator speed detecting apparatus |
| 01/26/1982 | US4313065 Switching circuit with MOS field effect transistor |
| 01/12/1982 | US4310831 Pulse width modulated, push/pull digital to analog converter |
| 01/05/1982 | CA1115790A1 Mos fet amplifier |
| 12/30/1981 | EP0042641A1 Frequency demodulator using a delay circuit, the delay of which varies according to the received frequency |
| 10/27/1981 | US4297601 Monostable multivibrator circuit and FM detector circuit employing predetermined load resistance and constant current to increase response rate of differential transistor pair |
| 10/20/1981 | CA1111139A1 Receive amplifier for pam signals |
| 09/29/1981 | US4292595 Capacitance coupled isolation amplifier and method |
| 09/29/1981 | US4292549 Monostable multivibrator and FM detector circuit employing differential transistor pair (threshold) trigger circuit to avoid interference signal operation |
| 08/18/1981 | US4284956 Wide dynamic range pulse to pulse rate converter |
| 08/04/1981 | US4282490 Pulse count type FM demodulator circuit |
| 07/14/1981 | CA1105141A2 Markov processor for context encoding from given characters and for character decoding from given contexts |
| 06/23/1981 | US4275359 MOS FET Amplifier |
| 04/14/1981 | US4262220 Optical current isolator circuit |
| 12/09/1980 | US4238831 Pulse interpolation method and apparatus |
| 09/30/1980 | US4225796 Frequency-to-current conversion circuit |
| 08/05/1980 | US4216463 Programmable digital tone detector |
| 07/29/1980 | US4215315 Low frequency signal period or ratio (period)-to-voltage converter |
| 05/20/1980 | US4204173 Tuning circuit with provisions for reducing pulse width jitter |
| 05/20/1980 | US4204171 Filter which tracks changing frequency of input signal |