| Patents for H03B 27 - Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs (744) |
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| 04/25/1996 | DE19538002A1 Time-share mixer circuit, esp. for microwave monolithic superheterodyne receiver |
| 04/10/1996 | EP0706142A2 Method and apparatus for detecting an EAS marker using wavelet transform signal processing |
| 03/31/1996 | CA2155157A1 Method and apparatus for detecting an eas marker using wavelet transform signal processing |
| 02/21/1996 | CN1117231A 相位差和幅度校正电路 Phase and amplitude correction circuit |
| 01/31/1996 | EP0695067A2 Modem with local oscillator phase correction |
| 01/09/1996 | US5483195 Second generation low noise microwave voltage controlled oscillator |
| 12/12/1995 | US5475344 Multiple interconnected ring oscillator circuit |
| 11/21/1995 | US5469118 Integrated oscillator circuits |
| 10/19/1995 | WO1995028032A1 Timing generator |
| 09/19/1995 | US5451911 Timing generator |
| 08/01/1995 | US5438301 Modem having a phase corrector and a voltage controlled oscillator implemented using a multi-stage ring oscillator |
| 07/05/1995 | EP0661810A2 Fractional phase shift ring oscillator arrangement |
| 06/30/1995 | CA2136888A1 Fractional phase shift ring oscillator arrangement |
| 06/06/1995 | US5422584 Variable phase sine wave generator for active phased arrays |
| 05/24/1995 | EP0654894A1 Integrated oscillator circuits |
| 05/09/1995 | CA2073347C Apparatus and method for generating quadrature signals |
| 05/02/1995 | US5412351 Quadrature local oscillator network |
| 04/13/1995 | WO1995010136A1 A quadrature local oscillator network |
| 04/05/1995 | EP0647031A1 Circuit for correcting phase-shift and amplitudes |
| 04/05/1995 | CN1101181A Feedback loop closure in a linear transmitter |
| 02/28/1995 | US5394116 Fractional phase shift ring oscillator arrangement |
| 02/14/1995 | US5389886 Quadrature signals frequency doubler |
| 12/20/1994 | US5375258 Circuit for generating signals in phase quadrature and associated method therefor |
| 12/13/1994 | US5373260 Plural saw oscillators producing combined high frequency output |
| 11/29/1994 | US5369790 Radio receiver |
| 09/13/1994 | US5347234 Digital voltage controlled oscillator |
| 08/30/1994 | US5343170 Voltage controlled oscillator provided with negative feedback biasing |
| 08/10/1994 | EP0609735A1 Frequency converter |
| 06/23/1994 | WO1994014247A1 Circuit for generating signals in phase quadrature and associated method therefor |
| 06/09/1994 | DE4341179A1 Surface acoustic wave oscillator - has resonator with good reflectors and interdigital converters on piezoelectric substrate, oscillators and frequency multiplier |
| 05/31/1994 | US5317276 Phase shifter |
| 05/11/1994 | EP0596656A2 Programmable clock skew adjustment circuit |
| 04/12/1994 | US5303417 Mixer for direct conversion receiver |
| 04/12/1994 | US5302920 Controllable multi-phase ring oscillators with variable current sources and capacitances |
| 03/29/1994 | US5298870 Voltage controlled ring oscillator having differential amplifier stages |
| 12/07/1993 | US5268656 Programmable clock skew adjustment circuit |
| 09/30/1993 | WO1993019517A1 Resonant circuit and multiple resonator circuits constructed therefrom |
| 08/24/1993 | US5239274 Voltage-controlled ring oscillator using complementary differential buffers for generating multiple phase signals |
| 04/13/1993 | CA1316250C Saw circuit for generating continuous time-coherent rf carriers |
| 03/31/1993 | EP0216803B1 Digital zero-if selectivity section |
| 03/30/1993 | US5198779 Digital oscillator |
| 02/09/1993 | US5185581 Differential amplifier and high frequency resonant circuits constructed therefrom |
| 01/20/1993 | EP0523854A2 Voltage controlled oscillator |
| 01/19/1993 | US5180994 Differential-logic ring oscillator with quadrature outputs |
| 01/12/1993 | US5179731 Frequency conversion circuit |
| 12/15/1992 | US5172076 Resonant circuit formed of two amplifiers connected in a loop and multiple resonator circuits constructed therefrom |
| 12/15/1992 | US5172070 Apparatus for digitally demodulating a narrow band modulated signal |
| 11/04/1992 | EP0323996B1 Oscillator network and quadrature network for radio receiver |
| 09/22/1992 | US5150128 In-phase and quadrature conversion error compensator |
| 09/03/1992 | WO1992015149A1 Differential-logic ring oscillator with quadrature outputs |
| 06/30/1992 | US5126960 Generation of phase related waveforms |
| 06/30/1992 | US5126691 Variable clock delay circuit |
| 06/22/1992 | WO1992011704A1 Apparatus and method for generating quadrature signals |
| 05/26/1992 | US5117205 Electrically controllable oscillator circuit, and electrically controllable filter arrangement comprising said circuits |
| 05/06/1992 | EP0484031A2 Merged current clamp in triple-input transconductor, for use in oscillator |
| 04/23/1992 | DE4036732C1 Generator for producing several sinusoidal voltages of different phase - supplies periodic voltages of rectangular form to filters for eliminating set Fourier components |
| 03/03/1992 | US5093634 Merged current clamp in triple-input transconductor, for use in oscillator |
| 12/27/1991 | EP0462714A2 Generation of phase related waveforms |
| 11/06/1991 | EP0455298A1 Electrically controllable oscillator circuit and electrically controllable filter arrangement comprising said circuit |
| 10/08/1991 | US5056115 Device for the division, at an optimum sampling rate, of a passband signal into its components on two carriers in quadrature |
| 10/08/1991 | CA1290403C Quadrature receiver |
| 10/02/1991 | EP0448835A1 Phase splitter |
| 07/09/1991 | CA1286002C Frequency synthesis method and a synthesizer apparatus using this method |
| 06/04/1991 | US5021751 Quadrature oscillator network |
| 04/02/1991 | US5005114 Circuitry for generating phase-shifted sinusoidal voltages |
| 03/05/1991 | CA1281080C Digital zero-if selectivity section |
| 02/13/1991 | CN1011649B Low distortion oscillator |
| 01/01/1991 | US4982170 Signal processing apparatus |
| 12/13/1990 | DE4018614A1 Frequency converter for quadrature modulator or demodulator |
| 12/12/1990 | EP0401771A2 Circuit arrangement for frequency conversion |
| 11/27/1990 | US4973923 Circuit arrangement for the generation of I,Q waveforms |
| 11/27/1990 | US4973920 Controllable quadrature oscillator |
| 10/23/1990 | US4965853 Radio receiver circuit with tuning feedback control for a tunable bandpass filter |
| 09/04/1990 | US4955039 Quadrature receiver |
| 08/08/1990 | EP0380979A2 Phased locked loop to provide precise frequency and phase tracking of two signals |
| 08/07/1990 | US4947141 Oscillator network for radio receiver |
| 06/26/1990 | US4937773 Sine wave oscillator and method of operating same |
| 06/06/1990 | EP0371549A1 Controllable quadrature oscillator |
| 05/16/1990 | EP0225218B1 Frequency synthesis method and synthesis apparatus using this method |
| 04/18/1990 | EP0364035A2 Radio receiver circuit arrangement |
| 04/03/1990 | US4914613 Frequency synthesis method and a synthesizer apparatus using this method |
| 03/13/1990 | US4908532 Quadrature signals generator |
| 02/20/1990 | US4902986 Phased locked loop to provide precise frequency and phase tracking of two signals |
| 02/13/1990 | US4901027 Signal generator |
| 01/09/1990 | US4893316 Digital radio frequency receiver |
| 12/06/1989 | EP0344467A1 Quadrature receiver |
| 11/02/1989 | EP0339381A1 Circuit arrangement for the generation of a dephased sine wave voltage |
| 10/04/1989 | EP0335727A2 Signal processing apparatus |
| 09/27/1989 | EP0334493A2 Continuously variable clock delay circuit |
| 09/26/1989 | CA1261924A1 Digital zero if circuit |
| 08/22/1989 | US4860017 Saw circuit for generating continuous time-coherent RF carriers |
| 07/19/1989 | EP0324246A1 Inductor-less mmic oscillator |
| 07/19/1989 | EP0323996A1 Oscillator network and quadrature network for radio receiver |
| 07/05/1989 | EP0322743A2 Signal generator |
| 06/14/1989 | EP0319851A1 Digital phase control for digitally generated signals |
| 03/28/1989 | US4816778 Inductorless MMIC oscillator |
| 03/22/1989 | CN2034755U Multiple channel coherent signal generator |
| 02/28/1989 | US4808936 Continuously variable clock delay circuit |
| 01/26/1989 | WO1989000791A1 Oscillator network for radio receiver |
| 01/17/1989 | US4799028 Zero phase shift active microwave oscillators with resistive feedback in field effect transistor amplifiers |