Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 3 - Demodulation of angle-modulated oscillations
Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449)
07/1998
07/21/1998US5784414 Receiver with quadrature decimation stage, method of processing digital signals
07/21/1998US5783967 Frequency shift keying demodulation circuit using logic circuitry
07/15/1998CN1187915A Wideband zero IF demodulator using single L. O
07/01/1998EP0851573A1 Device for estimating the frequency offset between a frequency carrier of a digital signal and the frequency of a local oscillator of a receiver, and corresponding receiver
06/1998
06/30/1998US5774499 Signal demodulation method and apparatus therefor using multi-ary sampling
06/30/1998US5774375 Method and apparatus for the correction of signal-pairs
06/30/1998US5774194 Terrestrial and satellite television reception tuner
06/23/1998US5771443 Method and apparatus for measuring FM frequency deviation
06/23/1998US5771263 Communication system control method and communication system using the method
06/23/1998CA2099394C Dqpsk delay detection circuit
06/11/1998WO1998025338A1 Method and apparatus for demodulating a frequency shift keyed signal
06/09/1998US5764704 DSP implementation of a cellular base station receiver
06/09/1998US5764171 Quadrature signal conversion device
06/04/1998WO1998024202A2 Apparatus and method for block phase estimation
06/03/1998EP0776486B1 Radar sensor
06/02/1998US5761615 Wide band zero if quadrature demodulator using a intermediate frequency and a single local oscillator
05/1998
05/27/1998CN1183179A Slope, drift and offset compensation in zero-if receivers
05/26/1998US5757531 Gils for heterodyne receiver having low intermediate frequency
05/20/1998EP0614587B1 Demodulation method using quadrature modulation
05/19/1998US5754601 Jitter circuit for reduced switching noise
05/19/1998US5753128 Etching wafer substrate through thin film masks to leave electrically conductive thin film unsupported
05/13/1998EP0841756A2 An improved correlator circuit for a six-port receiver
05/12/1998US5751188 FM demodulator using a switched capacitor phase shifter
05/12/1998US5751187 Method and device for phase-modulated signals
05/06/1998EP0840484A2 DC offset correction in TDMA systems
04/1998
04/28/1998US5745005 Demodulating system for carrier-wave and single pulse modulated signals
04/28/1998CA2100342C Am-fm combined stereo receiver
04/22/1998CN1179660A Loop back device of packet communication T1 network
04/21/1998US5742645 Method of digital demodulation of a composite signal
04/21/1998US5742637 Fast phase estimation in digital communication systems
04/15/1998EP0835557A1 Digitally compensated direct conversion receiver
04/15/1998EP0835549A1 Methods and apparatus for modulating, demodulating and amplifying
04/14/1998US5739709 Phase frequency detecting circuit
04/08/1998EP0834997A1 High-frequency signal receiver
04/08/1998EP0834216A1 Device for simultaneously demodulating a multifrequency signal, in particular for an eddy current measurement
04/08/1998EP0706730B1 Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
04/07/1998US5737035 Highly integrated television tuner on a single microcircuit
04/02/1998WO1998013944A1 Homodyne cellular base station
04/02/1998WO1998013929A1 Receiver capable of demodulating multiple digital modulation formats
04/02/1998CA2267372A1 Homodyne cellular base station
03/1998
03/31/1998US5734683 Demodulation of an intermediate frequency signal by a sigma-delta converter
03/31/1998US5734676 Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio receiver
03/31/1998US5734295 Quadrature demodulator having active filters formed with emitter follower output stages
03/25/1998CN1177235A Digital demodulator and method therefor
03/25/1998CN1177185A Signal trap device and method, recording medium replay device and method, and signal extraction device and method
03/24/1998US5732339 Frequency offset correction
03/24/1998US5732337 Reconfigurable mixer-filter-decimator
03/24/1998US5732110 Receiver having an adjustable symbol slice demodulator
03/24/1998US5732108 Method and apparatus for producing a difference signal between two signal frequencies, and for detection of modulation
03/19/1998WO1998011672A1 Simplified high frequency tuner and tuning method
03/12/1998WO1998010523A1 A zero-if receiver
03/12/1998WO1997049171A3 DSP implementation of a cellular base station receiver
03/10/1998US5727030 Automatic frequency control circuit applicable to a mobile communication system
03/10/1998US5727027 PSK signal demodulation method and apparatus
03/04/1998CN1175328A Digitally compensated direct conversion receiver
03/03/1998US5724653 Radio receiver with DC offset correction circuit
03/03/1998US5724001 Method and apparatus for demodulating a frequency shift keyed signal
02/1998
02/26/1998WO1998008300A1 Apparatus and method for receiving a modulated radio frequency signal
02/25/1998EP0825718A1 Oscillator circuit
02/25/1998EP0824782A2 Receiver with digital processing of a phase-splitted input signal
02/19/1998DE19632889A1 Radar system with continuous wave frequency modulated transmission
02/04/1998EP0546088B1 Frequency modulated synthesizer using low frequency offset mixed vco
02/04/1998CN1172566A Multiple access digital transmitter and receiver
02/04/1998CN1172561A Receiver circuit
02/03/1998US5715529 FM receiver including a phase-quadrature polyphase if filter
02/03/1998US5715353 Sine-wave modulator and playback/recording modulator-demodulator for a high-fidelity video playback/recording system
01/1998
01/27/1998US5712879 Differential detecting device
01/27/1998US5712637 Slope, drift and offset compensation in zero-IF receivers
01/20/1998CA2108614C Receiver capable of reducing power consumption in a pll circuit
01/13/1998US5708378 Frequency-to-voltage converting apparatus
01/13/1998US5708377 Low power dual sampler utilizing step recovery diodes (SRDS)
01/08/1998WO1998000906A1 Method and device for use with phase modulated signals
01/08/1998CA2258349A1 Method and device for use with phase modulated signals
01/06/1998US5706313 Soft decision digital communication method and apparatus
01/06/1998US5705949 Compensation method for I/Q channel imbalance errors
12/1997
12/31/1997CN1169066A Radio receiving apparatus
12/30/1997US5703527 Frequency modulated signal demodulator circuit and communication terminal equipment
12/29/1997EP0813768A1 Slope, drift and offset compensation in zero-if receivers
12/24/1997WO1997049171A2 Dsp implementation of a cellular base station receiver
12/17/1997EP0813345A2 Digital demodulator and method therefor
12/17/1997EP0448729B1 Tune detecting circuit
12/11/1997DE19616368C1 Demodulation method for single side band signal
12/10/1997CN1167549A Removing low frequency interference in digital FM receiver
12/09/1997US5696796 Continuously variable if sampling method for digital data transmission
12/02/1997US5694430 Subscriber unit for wireless digital subscriber communication system
12/02/1997US5694093 Wideband IQ modulator with RC/CR automatic quadrature network
12/02/1997US5694080 Delay-type FM demodulation circuit
12/02/1997US5694079 Digital FM demodulator using a lagrangian interpolation function
11/1997
11/27/1997WO1997044892A1 An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio receiver
11/25/1997US5691666 Full threshold FM deviation compression feedback demodulator and method
11/12/1997EP0806841A1 Elimination of D.C. offset and spurious AM suppression in a direct conversion receiver
11/12/1997CN1164782A Integrated receiver
11/11/1997US5686862 FM demodulator integrated on semiconductor chip without discrete circuit components
11/05/1997EP0805561A2 A method for implementing a direct conversion receiver with a six-port junction
10/1997
10/30/1997WO1997040585A1 High-frequency signal receiver
10/30/1997WO1997032391A3 Receiver with digital processing of a phase-splitted input signal
10/30/1997DE19705752A1 Broadcasting signal receiving apparatus and pulse counting demodulators
10/22/1997CN1162880A Dual mode modulating device and method
10/21/1997US5680418 Removing low frequency interference in a digital FM receiver
10/15/1997EP0800737A1 Multiple access digital transmitter and receiver
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