| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 09/20/1994 | CA2024123C Integrated circuit with balanced connecting circuit |
| 09/16/1994 | CA2118976A1 Intermediate frequency digital receiver and basefand process used in said receiver |
| 09/15/1994 | WO1994021052A1 Fm receiver |
| 09/14/1994 | EP0614587A1 Demodulation method using quadrature modulation |
| 09/07/1994 | EP0613595A1 Digital demodulator |
| 09/06/1994 | US5345188 Sigma-delta digital FM demodulator |
| 09/06/1994 | US5345187 Dual frequency demodulation apparatus for frequency shift keyed (FSK) data signals and FM signals and method therefor |
| 08/23/1994 | US5341405 Data recovery apparatus and methods |
| 08/23/1994 | US5341107 FM quadrature demodulator with two phase comparison circuits |
| 08/23/1994 | US5341106 Amplitude locked loop circuits |
| 08/17/1994 | EP0514398B1 Integrated fm detector |
| 08/16/1994 | US5339463 FM receiver with muting circuit |
| 08/11/1994 | DE4302301A1 Method for receiving FM-modulated and non-FM-modulated signals |
| 08/10/1994 | CN1025647C Data transmission system receiver having phase-independent bandwidth control |
| 08/02/1994 | US5335354 Demodulation circuit having automatic frequency control function |
| 07/12/1994 | US5329242 Method and apparatus for signal demodulation using time-intervals |
| 07/06/1994 | EP0604735A1 FM Demodulator with self-tuning quadrature detector |
| 07/06/1994 | EP0570480A4 Am-fm combined stereo receiver |
| 06/29/1994 | EP0603661A1 Method for the demodulation of frequency modulated signals |
| 06/28/1994 | US5325396 Digital synthesizer |
| 06/22/1994 | EP0602435A1 Demodulation method for frequency-modulated signals |
| 06/22/1994 | EP0602394A2 Method and device for the correction of phase and amplitude errors for direct conversion receiving devices |
| 06/14/1994 | US5321852 Circuit and method for converting a radio frequency signal into a baseband signal |
| 06/01/1994 | EP0599414A2 A direct conversion receiver |
| 06/01/1994 | EP0599409A2 A direct conversion receiver |
| 05/26/1994 | WO1994011955A1 Adaptive data rate modem |
| 05/26/1994 | DE4244144C1 Demodulating FM signals esp. in ultra short wave range - sampling received signal and passing sampled signal through band filter with complex value coeffts. |
| 05/25/1994 | EP0598277A1 Method and device for the correction of DC-levels in direct conversion receivers |
| 05/24/1994 | US5315262 Demodulator alignment method and apparatus |
| 05/19/1994 | DE4238373A1 Radio receiver demodulator for radio data signals |
| 05/18/1994 | EP0418270B1 Fm radio reception unit |
| 05/17/1994 | US5311870 Ultrasonic Doppler imaging apparatus |
| 05/11/1994 | WO1994010756A1 Homodyne receiver and process for correcting the converted receiving signal |
| 05/11/1994 | EP0417147B1 Fm radio receptor unit |
| 05/05/1994 | DE4238543C1 Correcting phase and amplitude error for direct conversion receiver - achieving amplitude correction of in=phase or quadrature signal and amplitude correction of obtained sum or difference value |
| 05/04/1994 | EP0595278A1 Homodyne receiver and method for correcting the converted signals |
| 05/04/1994 | EP0594894A1 DC offset correction for direct-conversion TDMA receiver |
| 04/27/1994 | EP0594403A1 Receiver |
| 04/26/1994 | US5307380 Delaying detection circuit |
| 04/12/1994 | US5302910 FM detector circuit with error voltage applied to phase shifting circuit |
| 04/05/1994 | US5301210 Coherent demodulating device with carrier wave recovering digital circuit |
| 03/29/1994 | US5299232 Phase compensation method and apparatus |
| 03/22/1994 | US5296820 Coherent demodulator preceded by non-coherent demodulator and automatic frequency control circuit |
| 03/17/1994 | WO1994006205A1 Transmission via a common communication link of both a downconverted modulated radio frequency signal and a pilot signal used for conversion |
| 03/15/1994 | CA2004860C Efficient digital frequency division multiplexed signal receiver |
| 03/08/1994 | US5293247 Digital demodulator with a unit for correcting over modulation and preventing black reversing |
| 03/08/1994 | US5293245 Video demodulation apparatus with moire component cancellation |
| 03/08/1994 | US5293135 FM demodulator with self-tuning quadrature detector |
| 03/03/1994 | WO1994005087A1 A direct conversion receiver for multiple protocols |
| 02/23/1994 | EP0417149B1 Fm radio reception unit |
| 02/22/1994 | US5289543 FM receiver and communication systems including same |
| 02/22/1994 | US5289391 Method and apparatus for optimum signal burst detection |
| 02/15/1994 | US5287558 FM receiver |
| 02/15/1994 | US5287557 FM receiver |
| 02/09/1994 | EP0582037A2 Method and apparatus for improving wideband detection of a tone |
| 02/09/1994 | EP0417150B1 Fm radio receptor unit |
| 01/27/1994 | DE4240851C1 Frequency modulated signal demodulator - uses phase locked loop used for demodulation of additionally receivable difference-coded quadrature-phase shift keyed signals |
| 01/25/1994 | US5282227 Communication signal detection and acquisition |
| 01/20/1994 | DE4223257A1 Demodulation circuit for FM signals - has compensation stage coupled to demodulator stage outputs providing correction voltage for VCO |
| 01/19/1994 | EP0417148B1 Fm radio reception unit |
| 01/04/1994 | US5276368 Frequency discriminator |
| 12/29/1993 | EP0576084A1 FM-receiver with dynamic intermediate frequency (IF) filter tuning |
| 12/29/1993 | EP0576082A1 FM receiver including a phase quadrature IF filter |
| 12/29/1993 | EP0576078A1 FM receiver |
| 12/28/1993 | US5274338 Integrated FM detector including an oscillator having a capacitor and Schmitt trigger |
| 12/22/1993 | EP0357632B1 Arrangement for filtering an incoming fm-uhf signal |
| 12/21/1993 | US5272559 Truncated frequency discriminator |
| 12/21/1993 | US5272448 Method and apparatus to perform digital demodulation by measuring periods between zero crossings |
| 12/15/1993 | EP0574273A1 A receiver compriser a combined AM-FM demodulator |
| 12/15/1993 | EP0574083A1 FM quadrature demodulator |
| 12/15/1993 | EP0573409A1 Interpolative analog/digital converter for band-pass signals. |
| 12/15/1993 | EP0436542B1 Fm receptor unit |
| 12/14/1993 | US5271039 Local oscillating device |
| 12/14/1993 | US5270666 Method and circuitry for demodulation of angle modulated signals by measuring cycle time |
| 12/08/1993 | EP0573247A1 Television receiver for terrestrial broadcasting |
| 11/25/1993 | WO1993023937A1 Data transmission delaying circuit using time-multiplexed latch enable signals |
| 11/24/1993 | EP0570508A1 Am-fm combined stereo receiver |
| 11/24/1993 | EP0570480A1 Am-fm combined stereo receiver |
| 11/18/1993 | EP0569515A1 Phase-independent bandwidth control apparatus for a data transmission system receiver |
| 11/18/1993 | EP0328617B1 Phase demodulator and its application to an mls-type landing system |
| 11/16/1993 | US5263196 Method and apparatus for compensation of imbalance in zero-if downconverters |
| 10/28/1993 | DE4313218A1 FM signal processor with cosine equaliser - which has two output terminals and processes input signal with two different parameters |
| 10/27/1993 | EP0566622A1 Phase-sensitive rectifier |
| 10/13/1993 | EP0565325A1 AFC circuit and IC of the same |
| 10/05/1993 | US5251332 FM receiver which detects and responds to receiving and interference states |
| 09/29/1993 | EP0562568A2 Digital demodulator |
| 09/29/1993 | EP0546088A4 Frequency modulated synthesizer using low frequency offset mixed vco |
| 09/28/1993 | US5249203 Phase and gain error control system for use in an i/q direct conversion receiver |
| 09/27/1993 | WO1993019518A1 Phase compensation method and apparatus |
| 09/16/1993 | WO1993018580A1 Digital phase locked loop for token ring networks |
| 09/08/1993 | EP0559093A1 A digital mobile radio receiver |
| 09/02/1993 | WO1993017509A1 Demodulator for radio data signals |
| 09/02/1993 | WO1993017491A1 Fm demodulation circuit |
| 09/02/1993 | DE4205016A1 Demodulator for radio data signals - provides data pulse signal with one of two levels depending on difference between phases of received and delayed signals. |
| 09/02/1993 | DE4205015A1 Demodulator for radio data signals - provides data pulse of one of two levels depending on sign of difference between phases of received signal and delayed signal |
| 08/31/1993 | US5241702 D.c. offset compensation in a radio receiver |
| 08/31/1993 | US5241697 Fm receiver |
| 08/26/1993 | DE4205014A1 Demodulator for radio data signals in car radio - compares phase of two rectangular signals to provide flank of demodulated radio data signal |
| 08/24/1993 | US5239702 Tuning detector |
| 08/24/1993 | US5239699 Am-fm combined stereo receiver |