Patents for H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039) |
---|
09/09/1987 | EP0235911A2 Level detecting waveform sampling system |
09/09/1987 | EP0235899A2 Predictive time base control circuit for a waveform sampling system |
09/09/1987 | EP0235441A2 Triggered frequency locked oscillator |
09/02/1987 | EP0234936A2 AM radio transmitter |
09/01/1987 | US4691330 Duty control circuit for gradually reducing the duty time |
08/25/1987 | US4689802 Digital pulse width modulator |
08/19/1987 | EP0232764A2 Circuit arrangement for controlling the longitudinal switch member of a switching current power supply apparatus |
08/19/1987 | EP0232451A1 Method and device for the conversion of an electrical signal into a proportional frequency |
08/19/1987 | CN87100875A Method and apparatus for converting electrical signal into proportional frequency |
06/23/1987 | US4675588 Electrical power control apparatus |
06/10/1987 | EP0224488A1 Analog to duty cycle converter |
06/04/1987 | WO1987003434A1 Method and apparatus for encoding and transmitting signals |
06/03/1987 | EP0223812A1 Phase modulators |
05/27/1987 | EP0222999A2 Digital-to-Analog converter with output sampler |
05/13/1987 | EP0221740A2 Servo data demodulators |
05/13/1987 | EP0221402A1 Analog-to-frequency converter |
04/15/1987 | EP0218326A2 DC-DC impedance transformer for a sample and hold circuit |
04/15/1987 | EP0218288A2 MOS power device usable both as an N-chanel MOS transistor and as a P-channel MOS transistor |
04/08/1987 | EP0217284A2 Sample-and-hold circuit |
03/17/1987 | US4651114 Pulse repetition modulator apparatus |
03/17/1987 | US4651027 Current-to-frequency converter |
03/03/1987 | US4647905 Improved pulse-width-modulation signal converter |
02/24/1987 | US4646321 Interpolation pulse duration modulated adder |
02/24/1987 | US4646030 Triggered frequency locked oscillator having programmable delay circuit |
01/27/1987 | US4639619 Electronic sampler switch |
01/20/1987 | US4638191 Amplitude insensitive delay line |
01/13/1987 | CA1216639A1 Voltage controlled pulse width modulation circuit |
01/07/1987 | EP0207291A2 Voltage/frequency converter |
01/06/1987 | US4635002 Metal oxide semiconductor logarithmic voltage controlled oscillator |
01/06/1987 | US4634993 High gain, low drift operational amplifier for sample and hold circuit |
01/06/1987 | US4634892 Pulse width modulator circuit for switching regulators |
01/06/1987 | US4634126 Device for converting the amount of a mechanical displacement into electrical signal |
12/30/1986 | US4633308 Amplitude insensitive delay lines in an accoustic imaging system |
12/30/1986 | US4633222 Clock shaping circuit and method |
12/18/1986 | WO1986007509A1 Analog to duty cycle converter |
12/16/1986 | US4630294 Digital sample rate reduction system |
12/10/1986 | CN85104529A Treatment pulse sequences for a transcutaneous nerve stimulation device |
12/09/1986 | US4628475 Pulse width modulation pulse generator |
12/04/1986 | WO1986007219A1 Phase modulators |
12/02/1986 | US4626715 MOS FET amplifier output stage |
11/18/1986 | US4623800 Clock controlled dual slope voltage to frequency converter |
11/05/1986 | EP0200402A2 Sample and hold circuit |
10/15/1986 | CN85102794A Directly analog-pulse width modulation circuit |
10/07/1986 | US4616332 Apparatus for converting analog-format signals to pulse-format signals |
09/30/1986 | US4614918 Frequency generator with digitally controlled phase modulation |
09/23/1986 | US4613974 Method and system for modulating a carrier signal |
09/16/1986 | US4612463 Interface circuit |
07/29/1986 | US4603425 Interpolation pulse duration modulation circuit |
07/29/1986 | CA1208706A1 Charge balance voltage-to-frequency converter utilizing cmos circuitry |
07/22/1986 | US4602223 High rate modulator/demodulator for digital signals amplitude modulated on digital data |
07/08/1986 | US4599548 PWM controller for an electrical load |
06/11/1986 | EP0184280A1 Frequency-stabilized two-state modulation |
06/11/1986 | EP0183849A1 Control circuit that operates on pulse-width modulated signals |
06/10/1986 | US4594578 One shot pulse width modulating converter |
05/27/1986 | US4591810 Pulse width modulator for electronic watthour metering |
05/21/1986 | EP0181488A2 Controller for generating a pair of mutually exclusive pulse train signals |
05/06/1986 | US4587443 Auto-zero sample and hold circuit |
04/22/1986 | US4584691 Timed pulse communication system |
04/22/1986 | US4584488 Controller for generating a pair of mutually exclusive pulse train signals |
04/02/1986 | EP0176114A2 Auto-zero sample and hold circuit |
03/18/1986 | US4577154 Pulse width modulation circuit and integration circuit of analog product using said modulation circuit |
03/12/1986 | EP0036424B1 Circuit arrangement for an asynchronous motor drive with variable speed |
02/18/1986 | CA1200855A1 Modulator for the transmission of analog data |
02/18/1986 | CA1200853A1 Current to frequency converter |
02/12/1986 | EP0171022A2 Signal delay device |
02/11/1986 | US4570131 PLL circuit with selectable current charging |
01/28/1986 | US4567466 Sensor communication system |
01/28/1986 | CA1199975A2 Methods and apparatus for transmitting high-bit-rate digital data in power line communication media having harmonic noise content |
01/08/1986 | EP0167157A2 Delay circuit |
12/24/1985 | US4560938 Fail-passive driver circuit |
12/17/1985 | CA1198176A1 Triangle wave generator |
12/03/1985 | CA1197573A1 Analog signal comparator using digital circuitry |
11/26/1985 | CA1197321A1 Digital phase comparator with improved sensitivity for small phase differences |
11/26/1985 | CA1197290A1 Soliton sampler |
11/21/1985 | EP0161760A1 Electromechanical displacement transducer |
10/29/1985 | US4550308 Signal converting apparatus |
10/22/1985 | US4549151 Pulse width modulator circuit with thermal breakdown prevention |
10/22/1985 | US4549149 Current to frequency converter switched to increased frequency when current input low |
10/16/1985 | EP0158425A1 Electrical power control apparatus |
10/08/1985 | CA1194940A1 Voltage to frequency converters |
09/26/1985 | WO1985004293A1 Control circuit that operates on pulse-width modulated signals |
09/24/1985 | CA1194237A1 Analog-to-digital converter |
09/24/1985 | CA1194156A1 Phase-locked loop with d.c. modulation capability |
09/10/1985 | US4540902 Sample and hold circuit |
09/03/1985 | CA1192948A1 Sample and hold circuit |
08/06/1985 | US4533840 Soliton sampler |
07/30/1985 | US4532435 Pulse width modulator having nonlinear transfer function |
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 |
07/23/1985 | US4531096 Pulse-width modulation circuit |
07/17/1985 | EP0148296A1 Method and circuit for converting a measuring current into an impulse rate proportional to the measuring current |
06/19/1985 | EP0145038A2 Electronic circuits and signal generator using them |
06/18/1985 | US4524335 Pulse-width modulation circuit with carrier signal frequency control |
05/28/1985 | US4520311 Current to pulse-sequence transducer |
05/22/1985 | EP0141925A1 Circuit for the suppression of retarding field oscillations in electronic tubes, especially for a pulse duration modulation stage of a transmitter system |
05/21/1985 | US4518948 Analog-to-digital converter |
05/07/1985 | US4516086 Frequency modulator for the transmission of analog data |
05/07/1985 | US4516038 Triangle wave generator |
04/25/1985 | WO1985001847A1 Current-impulse converter circuit with variable time constant |
04/02/1985 | US4508975 Pulse duration modulator using charge coupled devices |
03/26/1985 | US4507624 Voltage-to-frequency converters |