| Patents for H03B 28 - Generation of oscillations by methods not covered by groups , including modification of the waveform to produce sinusoidal oscillations (1,097) |
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| 10/11/1995 | EP0676887A1 Method for generating a digital sinus signal with a predetermined sampling rate and circuit for the implementation of the method |
| 09/28/1995 | DE4409937A1 Generating phase coherent sinusoidal half waves |
| 09/27/1995 | EP0674257A1 Apparatus and method for synthesizing a sinusoidal signal |
| 09/27/1995 | EP0674254A1 Apparatus for signal form synthesis |
| 09/26/1995 | US5453922 Generator for amplitude-coupled voltages |
| 09/12/1995 | US5450452 Digital loop filter and digital PLL circuit using the same |
| 08/22/1995 | US5444415 Modulation and demodulation of plural channels using analog and digital components |
| 07/25/1995 | US5436600 MRI multi-frequency DSB and SSB RF synthesizer |
| 07/05/1995 | EP0661815A1 Frequency Synthesizer |
| 06/27/1995 | US5428308 Direct digital synthesizer and phase locked loop frequency synthesizer |
| 06/13/1995 | US5424667 Variable frequency signal generating method |
| 06/07/1995 | EP0656161A1 Apparatus and method for frequency translation in a communication device |
| 05/24/1995 | EP0591477A4 Arbitrary waveform generator architecture. |
| 05/23/1995 | US5418815 Receiver adaptively operable for multiple signal transmission systems |
| 05/23/1995 | US5418734 Finely adjustable signal wave forming circuit including complementary clock signal counters |
| 05/04/1995 | DE4336655A1 Schaltungsanordnung zur Frequenzmultiplikation Circuit arrangement for frequency multiplication |
| 05/02/1995 | US5412588 Digital sine-wave generating circuit |
| 05/02/1995 | US5412338 Frequency synthesizer |
| 04/18/1995 | US5408687 Direct digital synthesizer with a central frequency controllable filter |
| 04/18/1995 | US5408135 Rectangular-to-sine wave converter |
| 03/28/1995 | US5402019 Phase startable clock device |
| 03/16/1995 | DE4321000A1 Frequency modulation method |
| 03/16/1995 | DE4320999A1 Frequency modulation method |
| 03/16/1995 | DE4320997A1 Frequency modulation method |
| 02/07/1995 | CA2022128C Subscriber unit for wireless digital subscriber communication system |
| 01/17/1995 | US5382913 Method and apparatus for generating two phase-coherent signals with arbitrary frequency ratio |
| 01/05/1995 | WO1995001006A1 Apparatus and method for frequency translation in a communication device |
| 01/05/1995 | DE4320996A1 FM-modulation method for digital carrier signal |
| 01/05/1995 | CA2140437A1 Apparatus and method for frequency translation in a communication device |
| 01/04/1995 | EP0632574A1 High spectral purity digital waveform synthesizer |
| 12/31/1994 | CA2126578A1 High spectral purity digital waveform synthesizer |
| 12/28/1994 | EP0631378A1 Frequency modulation method |
| 12/28/1994 | EP0631376A2 Method for frequency modulation |
| 12/06/1994 | US5371765 Binary phase accumulator for decimal frequency synthesis |
| 11/15/1994 | US5365182 Method and apparatus for low power clock generation for high speed applications |
| 11/10/1994 | WO1994026033A1 Numerically controlled oscillator and digital phase locked loop |
| 10/11/1994 | US5355172 Method and apparatus for sampling a reference signal |
| 09/21/1994 | EP0616419A1 Programmable multi-frequency generator |
| 09/07/1994 | EP0614158A2 Frequency synthesizer |
| 08/18/1994 | DE4320087C1 Control generator with phase-locked loop |
| 08/16/1994 | CA2115593A1 Frequency synthesizer |
| 07/27/1994 | EP0607868A1 Optical transmitter and communication system |
| 07/19/1994 | US5331293 Compensated digital frequency synthesizer |
| 07/17/1994 | CA2113058A1 Optical microwave generator |
| 07/12/1994 | US5329260 Numerically-controlled modulated oscillator and modulation method |
| 06/28/1994 | US5325396 Digital synthesizer |
| 06/15/1994 | EP0601519A2 Frequency synthesiser |
| 04/13/1994 | EP0591477A1 Arbitrary waveform generator architecture |
| 04/12/1994 | US5303259 Frequency-hopped electronic signal transmitter |
| 04/05/1994 | US5301367 Direct digital synthesizer for producing a modulated intermediate frequency in a radio apparatus |
| 03/17/1994 | WO1994006204A1 Compensated digital frequency synthesizer |
| 03/01/1994 | US5291201 Microwave integrated circuit frequency translating apparatus |
| 02/03/1994 | DE4224771A1 Sine signal generating circuit using pulse width and/or frequency adjustable, rectangular input signal - changes input signal scanning ratio after each preset number of periods to form first intermediate signal |
| 01/11/1994 | US5278837 Multiple user digital receiver apparatus and method with combined multiple frequency channels |
| 01/05/1994 | EP0576994A1 A signal wave forming circuit |
| 12/15/1993 | EP0574273A1 A receiver compriser a combined AM-FM demodulator |
| 12/07/1993 | CA2024000C Working/standby clock pulse supply for digital systems |
| 11/24/1993 | EP0570444A1 Frequency synthesiser |
| 10/14/1993 | DE4216766C1 Frequency dividing for data transmission at different bit rates - using intermediate frequency with combined period obtained by summing different periods and successively dividing by 2 |
| 07/22/1993 | WO1993014453A1 Pc-controlled direct digital synthesiser |
| 07/22/1993 | DE4201157A1 Pc-gesteuerter direct-digital-synthesizer Pc-controlled direct-digital synthesizer |
| 07/20/1993 | US5230011 Receiver |
| 07/20/1993 | US5230008 Multi-amplitude sample generating apparatus and method |
| 06/09/1993 | EP0544728A1 Generator for amplitude-coupled voltages. |
| 06/09/1993 | EP0521859A4 Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter |
| 05/26/1993 | EP0543186A1 Variable frequency signal generating method |
| 05/05/1993 | EP0540158A2 Apparatus for generating a sinusoidal output signal |
| 04/28/1993 | EP0539122A2 Sinusoidal wave signal generating circuit |
| 04/24/1993 | CA2080782A1 Sinusoidal wave signal generating circuit |
| 04/07/1993 | EP0535800A2 General-purpose synthesizer for a radio apparatus |
| 03/31/1993 | EP0534498A2 Process and device for frequency to voltage conversion |
| 03/31/1993 | EP0216803B1 Digital zero-if selectivity section |
| 03/16/1993 | US5195044 Digital oscillator for generating a signal of controllable frequency |
| 03/03/1993 | EP0529867A2 Waveform synthesizer |
| 02/23/1993 | US5189381 Apparatus for generating a sinusoidal output signal |
| 02/16/1993 | US5187677 Waveform synthesizer through simulating multiplication |
| 01/21/1993 | DE4219357A1 Digitaler empfaenger fuer mehrere simulananwender und digitales empfangsverfahren Digital empfaenger for several simulananwender and digital reception method |
| 01/13/1993 | EP0521859A1 Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter. |
| 01/07/1993 | WO1993000737A1 Arbitrary waveform generator architecture |
| 01/07/1993 | CA2112252A1 Arbitrary waveform generator architecture |
| 12/29/1992 | US5175511 Phase-locked loop synthesizer for use in tdm communications system |
| 12/15/1992 | US5172070 Apparatus for digitally demodulating a narrow band modulated signal |
| 12/08/1992 | US5170486 Apparatus for synthesizing a composite RF signal suitable for use as a test signal in testing adjacent channel rejection of radio receivers |
| 11/24/1992 | US5166540 Stepped signal generating circuit |
| 11/10/1992 | US5162745 Multichannel sine synthesizer |
| 10/27/1992 | US5159631 Audio scrambling system using in-band carrier |
| 10/21/1992 | EP0509713A2 Waveform generation |
| 10/14/1992 | EP0508661A1 An FM modulator circuit having separate modulation and channel signal paths |
| 10/12/1992 | CA2065816A1 Fm modulator circuit having separate modulation and channel signal paths |
| 10/06/1992 | US5153526 Numerical control type oscillator apparatus |
| 09/29/1992 | US5151661 Direct digital FM waveform generator for radar systems |
| 09/08/1992 | US5146473 Subscriber unit for wireless digital subscriber communication system |
| 09/08/1992 | US5146224 Ac signal generating apparatus for voltage and current standard |
| 08/20/1992 | WO1992014218A1 Frequency synthesiser |
| 08/19/1992 | EP0499245A2 Phase-locked loop synthesizer for use in TDM communications system |
| 08/12/1992 | EP0498013A1 Circuit arrangement for generating a clock signal with a phase calculating unit |
| 07/22/1992 | EP0495660A1 Multi-amplitude sampling generating apparatus and method |
| 07/21/1992 | US5133083 Adjacent channel selectivity signal generator system |
| 07/21/1992 | US5132636 Triangular to sine wave converter |
| 06/30/1992 | US5126960 Generation of phase related waveforms |