Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › H03K 9 - Demodulating pulses which have been modulated with a continuously-variable signal
Patents for H03K 9 - Demodulating pulses which have been modulated with a continuously-variable signal (1,929)
09/1999
09/21/1999US5955925 Digital AGC circuit
09/21/1999US5955903 Folded ramp capacitance circuit with current source and comparator circuit
09/14/1999US5953063 Bi-phase code decoding system
09/09/1999DE19905077A1 Frequency signal to DC voltage conversion method
06/1999
06/29/1999US5918159 Location reporting satellite paging system with optional blocking of location reporting
06/15/1999US5913155 Broadcasting signal receiving apparatus and pulse counting demodulators
05/1999
05/11/1999US5903187 Monolithically integrable frequency demodulator device
03/1999
03/30/1999US5889424 Pulse width modulation operation circuit
03/30/1999CA2124114C Digital demodulator
03/09/1999US5881328 Band-pass filter for a pulse position modulation signal
12/1998
12/03/1998WO1998054837A1 Apparatus for converting frequency of an electric signal to voltage
12/03/1998WO1998054832A1 Apparatus for converting frequency of an electric signal to voltage
11/1998
11/10/1998US5835552 Time counting circuit and counter circuit
10/1998
10/27/1998US5828270 Method and apparatus for modulating and demodulating a carrier
10/20/1998US5825242 Modulator/demodulator using baseband filtering
08/1998
08/12/1998EP0858163A2 Pulse width modulation operation circuit
06/1998
06/16/1998US5767751 Automatic gain control for pulse amplitude modulated signals
06/04/1998DE19643410A1 Digital signal decoding method
05/1998
05/14/1998DE19719115A1 Squelch circuit for removing noise in data signal
04/1998
04/07/1998US5736879 Closed-loop frequency-to-current converter with integrable capacitances
03/1998
03/24/1998US5732056 Decoding unit and storage unit
01/1998
01/13/1998US5708378 Frequency-to-voltage converting apparatus
12/1997
12/29/1997EP0814390A2 Electronic equipment
12/17/1997EP0813321A2 Method and control system for data transmission
11/1997
11/25/1997US5691665 PPM demodulation device
11/11/1997US5686855 Process monitor for CMOS integrated circuits
10/1997
10/30/1997DE19705752A1 Broadcasting signal receiving apparatus and pulse counting demodulators
09/1997
09/02/1997CA2106936C Circuit and method for adjusting a data detecting level of a disk driving apparatus
08/1997
08/06/1997EP0788230A2 Frequency-to-current converter
07/1997
07/09/1997EP0570402B1 Process and device for time/voltage conversion
06/1997
06/11/1997EP0778669A1 Frequency demodulator
06/11/1997CN1151635A PPM demodulation device
05/1997
05/20/1997US5631596 Process monitor for CMOS integrated circuits
05/14/1997EP0773447A2 Time counting circuit, pulse converting circuit and FM demodulating circuit
04/1997
04/15/1997US5621341 Temperature-compensated, precision frequency-to-voltage convertor
04/08/1997US5619538 Pulse shaping FM demodular with low noise where capacitor charge starts on input signal edge
04/02/1997EP0766393A2 PPM demodulation device
03/1997
03/25/1997US5615228 Apparatus and method to decode a pulse width modulated serial data stream
02/1997
02/19/1997CN1143224A Decoding unit and storage unit
01/1997
01/29/1997EP0755586A1 Receiver comprising a pulse count fm demodulator, and pulse count fm demodulator
12/1996
12/17/1996US5586145 Transmission of electronic information by pulse position modulation utilizing low average power
12/03/1996US5581204 Pulse width measurement circuit
10/1996
10/22/1996CA2041222C Pulse width modulated self-clocking and self-synchronizing data transmission telephonic switching system
10/02/1996DE19602392A1 Decoder and memory unit for optical disc drive
09/1996
09/25/1996EP0734123A2 A pulse width modulation
05/1996
05/23/1996WO1996015590A1 Electrical circuit utilizing avalanche transistor for generating and transmitting sine-wave energy pulses
05/07/1996US5514988 Temperature-compensated, precision frequency-to-voltage converter
03/1996
03/27/1996CN1031442C Method and apparatus for time/voltage conversion
03/07/1996WO1996007234A1 Communication device with efficient zero-crossing generator
01/1996
01/23/1996US5486786 Process monitor for CMOS integrated circuits
12/1995
12/07/1995WO1995028033A3 Receiver comprising a pulse count fm demodulator, and pulse count fm demodulator
10/1995
10/19/1995WO1995028033A2 Receiver comprising a pulse count fm demodulator, and pulse count fm demodulator
10/17/1995US5459751 Demodulation circuit of communication control system
10/11/1995EP0676880A2 Modulator/demodulator using baseband filtering
10/11/1995EP0676864A1 Circuit and method for adjusting a pulse width of a signal
10/06/1995CA2144596A1 Modulator/demodulator using baseband filtering
10/03/1995CA2034127C Current-pulse integrating
09/1995
09/19/1995US5451893 Programmable duty cycle converter
08/1995
08/08/1995US5440433 Circuit and method for adjusting a data detecting level of a disk driving apparatus
08/08/1995US5440307 Method and facility for time/voltage conversion
07/1995
07/18/1995US5434523 Circuit and method for adjusting a pulse width of a signal
05/1995
05/16/1995US5416546 Camera including demodulating processing circuit with time interval counting feature
02/1995
02/07/1995US5387822 Error signal isolator circuit
01/1995
01/18/1995EP0613595A4 Digital demodulator.
11/1994
11/08/1994US5363405 Vehicle communications network transceiver, bus driver therefor
09/1994
09/07/1994EP0613595A1 Digital demodulator
08/1994
08/17/1994EP0610592A2 Demodulation circuit of communication control system
05/1994
05/17/1994US5313492 Data modulator/demodulator
05/17/1994US5313236 Demodulation processing circuit with time interval counting feature
05/10/1994US5311118 Ripple elimination in a frequency-to-voltage converter for a cross-coil meter
02/1994
02/22/1994US5289504 Signal decoding method using both signal and channel state information
12/1993
12/21/1993US5272448 Method and apparatus to perform digital demodulation by measuring periods between zero crossings
08/1993
08/24/1993US5239273 Digital demodualtor using signal processor to evaluate period measurements
08/10/1993US5235620 Information signal demodulating apparatus
06/1993
06/29/1993US5223742 Circuit and method for monitoring a pulse width modulated waveform
06/23/1993CN1021393C Linearity control circuit for digital to analog converter
05/1993
05/27/1993WO1993010596A1 Digital demodulator
04/1993
04/27/1993US5206632 Actuating circuit for a liquid crystal display
03/1993
03/31/1993EP0534498A2 Process and device for frequency to voltage conversion
03/10/1993EP0247189B1 Apparatus for encoding and transmitting signals
12/1992
12/29/1992US5175549 Pulse width modulation decoder
11/1992
11/24/1992CA1310758C Method and apparatus for encoding and transmitting signals
10/1992
10/27/1992US5159281 Digital demodulator using numerical processor to evaluate period measurements
09/1992
09/23/1992CN1064775A Method and facility for time/voltage conversion
08/1992
08/20/1992WO1992014303A1 Process and device for time/voltage conversion
08/18/1992US5140611 Pulse width modulated self-clocking and self-synchronizing data transmission and method for a telephonic communication network switching system
08/18/1992US5140256 PWM signal demodulation method and apparatus
08/12/1992EP0498514A1 Process and apparatus to convert time into voltage
06/1992
06/09/1992US5121008 Circuit for generating or demodulating a square wave and other wave forms
05/1992
05/30/1992CA2056052A1 Circuit for generating or demodulating a square wave and other wave forms
05/05/1992US5111083 Detection circuit for detecting a predetermined signal from a composite signal
03/1992
03/03/1992US5093628 Current-pulse integrating circuit and phase-locked loop
10/1991
10/31/1991DE4013087A1 Pulse width modem for magnetic and optical data carriers - carries out integration while specified number of extra integrators transmit output signal in background
10/09/1991EP0450418A2 Device for transmitting a pulse-width modulated electrical input signal
10/09/1991EP0450001A1 Fully integrated digital fm discriminator
10/01/1991US5053936 Frequency/voltage converting device
09/1991
09/17/1991US5049759 Signal processing system for period-to-voltage conversion
09/04/1991EP0444363A2 Current-pulse integrating
08/1991
08/20/1991CA1287883C Fm demodulator
04/1991
04/17/1991EP0151633B1 An interruptible voltage-controlled oscillator
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