| Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
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| 05/05/1981 | US4266201 Method and apparatus using first and second parallel channels, one of which includes an inverter, for producing an electrical signal with an improved on/off ratio |
| 05/05/1981 | US4266144 Detection means for multiple capacitive sensing devices |
| 04/28/1981 | US4264880 Signal generator for producing pulse signals for a remote control |
| 04/22/1981 | EP0027265A1 Pacemaker with pulse width adjustment circuitry |
| 04/16/1981 | WO1981001084A1 Circuit arrangement for an asynchronous motor drive of controlled stepping |
| 03/10/1981 | US4255722 Voltage controlled multivibrator having variable frequency and duty cycle |
| 02/24/1981 | US4253071 Phase modulator circuit |
| 02/03/1981 | US4249136 PWM Signal power amplifier |
| 01/07/1981 | EP0020868A1 Voltage controlled oscillator |
| 01/06/1981 | US4244004 Method for analog-digital conversion, and a picture reproduction method employing the same |
| 12/30/1980 | US4242602 Phase comparator circuit with gated isolation circuit |
| 12/23/1980 | US4241443 Apparatus for reducing a sampling frequency |
| 12/09/1980 | US4238695 Comparator circuit having high speed, high current switching capability |
| 11/25/1980 | US4236114 Apparatus for generating pulse width modulated waves |
| 11/18/1980 | US4234806 Monostable multivibrator employing nonsaturating switching transistor |
| 11/18/1980 | CA1089958A1 Channel encoding for distance measurement equipment |
| 11/13/1980 | WO1980002457A1 Solarmeter |
| 11/11/1980 | US4233575 Wide frequency range current-controlled oscillator |
| 10/29/1980 | EP0018349A1 Electrical circuit for converting a current into pulses, the duration, repetition period or frequency of which corresponds to the current amplitude |
| 10/21/1980 | US4229830 Apparatus and method for providing a modulation format for multiple wideband signal transmission |
| 10/21/1980 | US4229819 Data transmission system |
| 09/16/1980 | CA1085928A1 Electronic volt-square-hour metering method and apparatus |
| 09/09/1980 | US4222077 Analog-digital conversion method, and a picture reproduction method using the same |
| 09/09/1980 | CA1085524A1 Four-wire integrable hybrid |
| 08/19/1980 | CA1084136A1 Sensor data input by means of analog to pulse width- to digital converter |
| 08/12/1980 | US4217655 Clock circuit having a swept output frequency |
| 08/12/1980 | US4217634 Voltage and current sources |
| 08/12/1980 | CA1083722A1 Apparatus for generating pulse width modulated waves |
| 07/15/1980 | US4213103 Circuit for detecting and controlling simultaneous conduction of two switches connected in series |
| 06/24/1980 | US4209743 Circuit arrangement for measuring currents at high potential |
| 06/17/1980 | US4208626 Precision timing source for multiple rate sampling of high-speed waveforms |
| 06/03/1980 | US4206424 Digitized phase modulating means |
| 05/28/1980 | EP0011464A2 Circuit and method for generating modulated oscillations and a modulated oscillatory signal generated by the method |
| 05/28/1980 | EP0011093A1 Mark-to-space ratio pulse modulator |
| 05/27/1980 | US4205240 Device for progressive electrical switching |
| 05/20/1980 | US4204171 Filter which tracks changing frequency of input signal |
| 04/22/1980 | US4199697 Pulse amplitude modulation sampling gate including filtering |
| 04/15/1980 | US4198663 Digital signal recording system |
| 04/01/1980 | US4196358 Analog multiplexer |
| 03/11/1980 | US4193041 Condition responsive inductance to frequency converter with temperature compensation |
| 03/11/1980 | CA1073568A1 Adjustable brilliance gas display system |
| 02/19/1980 | US4189669 Circuit arrangement for generating a pulse-width modulated signal |
| 02/07/1980 | WO1980000206A1 Incremental integrator and servo captors resulting therefrom |
| 02/05/1980 | US4187439 Analog control of pulse rates |
| 01/09/1980 | EP0006808A1 Improvement in a precision integrator and its use in servosensors with incremental outputs |
| 01/08/1980 | US4183087 Peak deviation sampling |
| 12/12/1979 | EP0006023A1 Analogue-to-digital signal conversion and storage system |
| 12/11/1979 | US4178567 Period-modulated voltage controlled oscillator |
| 10/30/1979 | CA1065491A1 Signal coding process and transmitting device using the process__ |
| 10/23/1979 | CA1065063A1 Circuit for linearizing the response of an electron capture detector |
| 10/23/1979 | CA1065024A1 Reduction of aliasing distortion in sampled signals |
| 09/25/1979 | US4169287 Printing integrator |
| 09/25/1979 | US4169213 Apparatus and method for ordering independent signals |
| 09/25/1979 | CA1063185A1 Voltage controlled oscillator circuit |
| 08/28/1979 | CA1061468A1 Pwm signal amplifier |
| 08/14/1979 | CA1060553A1 Frequency modulator |
| 06/26/1979 | US4159448 Communication systems |
| 05/01/1979 | US4152661 Modulation amplifier |
| 04/03/1979 | US4147996 Current-controlled oscillator |
| 03/27/1979 | US4146849 Voltage controlled oscillator |
| 03/27/1979 | CA1051567A1 Tuning system for am/fm receivers |
| 03/13/1979 | CA1050622A1 Pulse position and phase modulator |
| 02/20/1979 | US4140980 Compensation circuit for trailing edge distortion of pulse-width modulated signal |
| 02/06/1979 | CA1048113A1 Analog waveform transducing circuit |
| 01/30/1979 | US4137503 Phase shifting apparatus |
| 12/12/1978 | US4129833 Multivibrator |
| 11/14/1978 | US4125813 Operational amplifier decoupling circuit |
| 11/14/1978 | US4125811 Circuit for multiplying two variables |
| 11/07/1978 | US4124821 Analog to frequency convertor |
| 10/31/1978 | US4123722 Operational amplifier decoupling circuit |
| 10/10/1978 | US4119902 Acceleration/deceleration control circuit for a stepping motor |
| 10/03/1978 | US4118696 Precision voltage to frequency converter for use in A/D converter |
| 09/26/1978 | US4117332 Circuit for linearizing the response of an electron capture detector |
| 09/26/1978 | US4116103 Pulse width modulation in a digital tone synthesizer |
| 09/05/1978 | US4112382 Digital sweep circuit for generating sawtooth wave form |
| 08/22/1978 | US4109168 Current-to-frequency converter |
| 08/22/1978 | US4109164 Circuitry for generating ramp type signals |
| 08/15/1978 | CA1036677A1 Wide range pulse generator |
| 08/08/1978 | US4105950 Voltage controlled oscillator (VCO) employing nested oscillating loops |
| 08/08/1978 | US4105938 Proportional pulse controller |
| 08/01/1978 | US4104547 Extended range current-to-time converter |
| 06/20/1978 | US4096411 Gas discharge tube and means for maintaining an invisible gas discharge therein |
| 05/30/1978 | US4092550 Frequency multiplier and level detector |
| 05/23/1978 | US4090664 Tri-state electrical circuit |
| 05/16/1978 | US4090136 Method and apparatus for coding a signal |
| 05/09/1978 | US4088874 Pulse sequence generator |
| 04/04/1978 | US4083044 Unipolar wide-range current-to-frequency converter |
| 04/04/1978 | US4083020 Voltage controlled oscillator |
| 04/04/1978 | US4083019 Current controlled emitter coupled multivibrator |
| 02/28/1978 | US4077030 Sensor data input by means of analog to pulse width-to digital converter |
| 02/07/1978 | US4072910 Voltage controlled oscillator having equally controlled current source and current sink |
| 01/17/1978 | US4069447 Stabilized high-efficiency sampling system |
| 01/03/1978 | US4066959 Electronic volt-square-hour metering method and apparatus |
| 01/03/1978 | US4066919 Sample and hold circuit |
| 12/27/1977 | US4065715 Pulse duration modulated signal transducer |
| 11/08/1977 | US4057069 Method of nerve stimulation and a stimulator for the application of the method |
| 10/04/1977 | US4052673 Combined controlled oscillator and frequency multiplier |
| 09/06/1977 | US4047119 Transistor differential amplifier circuit |
| 09/06/1977 | US4047056 Voltage-frequency converter |
| 08/23/1977 | US4044310 Circuitry for generating a sine wave and/or cosine wave from a pulse signal |