| 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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| 09/01/1998 | US5801589 Frequency synthesizer which suppresses a spurious |
| 08/26/1998 | CN1191413A Non-single-cycled wavefrom generating method and arrangement |
| 08/11/1998 | US5793204 Method or generating a rotating elliptical sensing pattern |
| 08/11/1998 | US5793180 Fully digital drive system for brushless motor with voltage or current profiles read from a digital memory |
| 07/23/1998 | WO1998032219A1 Method and circuit configuration for producing sinusoidal/cosinusoidal oscillations |
| 07/16/1998 | WO1998030949A1 Method of generating signal amplitude responsive to desired function, and converter |
| 07/16/1998 | DE19701068A1 Verfahren und Schaltungsanordnung zur Erzeugung von Sinus-/Cosinusschwingungen Method and circuit for generating sine / cosine oscillations |
| 07/07/1998 | US5777574 High resolution imaging radar linear frequency modulation bandwidth multiplier |
| 06/17/1998 | CN1185057A Frequency shift key modulating osicllator |
| 06/03/1998 | EP0845768A2 A waveform generator with a read only memory and a matrix display using the same |
| 06/02/1998 | US5760617 Voltage-to-frequency converter |
| 05/19/1998 | US5754597 Method and apparatus for routing a digitized RF signal to a plurality of paths |
| 05/05/1998 | US5748683 Multi-channel transceiver having an adaptive antenna array and method |
| 04/29/1998 | CN1180263A Frequency modulated dual-tone multi-frequency generator |
| 04/21/1998 | CA2081757C Variable frequency signal generating method |
| 04/08/1998 | EP0834103A1 Digital oscillator and power supply circuit for an eddy current probe |
| 03/11/1998 | CN1175818A Dual-tone multifrequency generator |
| 02/26/1998 | WO1998008298A1 Voltage-to-frequency converter |
| 02/17/1998 | US5719512 Digital oscillating circuit for multiple systems-ready television receivers |
| 02/10/1998 | US5717350 Degenerated differential pair waveform builder |
| 01/13/1998 | US5708671 Tunable gigihertz all-optical clock generator and method using same |
| 01/02/1998 | DE19708650A1 Standard frequency generator for radio communications transceiver |
| 12/17/1997 | CN1168201A System, method and program product for generating sine or cosine waveform utilizing combined look-up table |
| 12/11/1997 | WO1997047080A1 Generator for producing a high-frequency, low-noise signal |
| 12/04/1997 | DE19721660A1 Generator for creating high frequency (HF), low noise signal |
| 12/02/1997 | US5694430 Subscriber unit for wireless digital subscriber communication system |
| 11/26/1997 | EP0809349A1 Fully digital drive system for brushless motor with voltage/current profiles read from a digital memory |
| 10/23/1997 | WO1997039504A1 Tunable gigahertz all-optical clock generator |
| 10/15/1997 | EP0398910B1 High resolution phase to sine amplitude conversion |
| 10/08/1997 | EP0800263A1 Drive system for a brushless motor employing predefined profiles of driving currents stored in a nonvolatile memory |
| 10/07/1997 | US5675523 Waveform data generating apparatus |
| 09/30/1997 | US5673007 Frequency synthesizer having PLL receiving filtered output of DDS |
| 09/25/1997 | WO1997035412A1 Method and apparatus for routing a digitized rf signal to a plurality of paths |
| 09/03/1997 | EP0793348A1 Phase lock loop circuit |
| 08/27/1997 | EP0792022A1 Phase-locked digital synthesizers |
| 08/26/1997 | US5661424 Frequency hopping synthesizer using dual gate amplifiers |
| 08/12/1997 | US5656976 Hybrid frequency synthesizer |
| 07/29/1997 | US5652548 PTM signal generator combining outputs of two same frequency oscillators |
| 07/22/1997 | US5651014 Rate generator circuit for semiconductor test system |
| 07/10/1997 | WO1997024797A1 Digital frequency generator |
| 07/01/1997 | US5644602 Direct digital frequency synthesizer for use in a subscriber unit of a wireless digital communication system |
| 06/25/1997 | CN1152752A Non-single cycle circulationw ave shape forming device |
| 06/03/1997 | US5636149 PC-controlled direct digital synthesizer and method of operating the same |
| 05/22/1997 | WO1997018623A1 System, method and program product for generating a sine or cosine waveform utilizing combined look-up tables |
| 05/20/1997 | US5631933 Phase-locked digital synthesizers |
| 05/20/1997 | US5631586 Sine-wave generator circuit |
| 05/14/1997 | EP0773499A1 Fastmultiplier for multiplying a digital signal to a periodic signal |
| 04/30/1997 | CN2253543Y High-precision sinusoidal signal generator |
| 04/17/1997 | WO1997014211A1 Numerical voltage controlled oscillator |
| 04/16/1997 | EP0544728B1 Generator for amplitude-coupled voltages |
| 04/15/1997 | US5621472 System for inexpensive phase coherent subcarrier generation |
| 04/08/1997 | US5619154 Numerical voltage controlled oscillator |
| 03/25/1997 | US5615139 Apparatus and method for synthesizing a sinusoidal signal |
| 03/19/1997 | CN1145707A Method and appts. for reducing quantization noise |
| 03/19/1997 | CN1145549A Signal generator |
| 03/04/1997 | US5608358 Polypyrrole |
| 02/18/1997 | US5604690 Signal form synthesizer arrangement, transmitter station and receiver station comprising such an arrangement |
| 02/13/1997 | WO1997005704A1 Multi-channel transceiver having an adaptive antenna array and method |
| 02/11/1997 | US5602874 Method and apparatus for reducing quantization noise |
| 02/05/1997 | CN1142293A Multi-channel digital transceiver and method thereof |
| 01/22/1997 | CN1140853A Voltage generating method, voltage generating circuit and monitor device |
| 01/15/1997 | EP0521859B1 Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter |
| 01/09/1997 | WO1997001136A1 Digital oscillator and power supply circuit for an eddy current probe |
| 01/09/1997 | CA2215484A1 Digital oscillator and power supply circuit for an eddy current probe |
| 12/19/1996 | DE19619916A1 Pulse rate generation circuit for semiconductor testing system |
| 11/26/1996 | US5579341 Multi-channel digital transceiver and method |
| 11/26/1996 | US5578948 Harmonic tone generator for low level input audio signals and small amplitude input audio signals |
| 11/13/1996 | EP0742653A2 PDH/SDH signal processor with dual mode clock generator |
| 11/13/1996 | CA2176308A1 Pdh/sdh signal processor with dual mode clock generator |
| 09/10/1996 | US5554987 Direct digital synthesizer capable of reducing spurious noise components |
| 08/22/1996 | WO1996025809A1 Method and apparatus for reducing quantization noise |
| 08/22/1996 | CA2185026A1 Method and apparatus for reducing quantization noise |
| 08/06/1996 | CA2066851C Multiple user digital receiver apparatus and method with combined multiple frequency channels |
| 07/23/1996 | US5539346 Frequency synthesizer having DDS in place of VCO |
| 07/11/1996 | WO1996021288A1 Multi-channel digital transceiver and method |
| 06/26/1996 | EP0718979A2 Oscillator |
| 06/19/1996 | EP0717491A2 High precision, low phase noise synthesizer with vector modulator |
| 06/04/1996 | US5524087 Method of forming a signal wave from first and second waveform data |
| 05/30/1996 | DE4440510A1 Digital sinusoidal signal generating method |
| 05/30/1996 | DE4440508A1 Sine wave digital signal generating method, e.g. for multimedia transfer systems |
| 05/28/1996 | US5521534 Numerically controlled oscillator for generating a digitally represented sine wave output signal |
| 05/07/1996 | CA2037159C Phase-locked loop type frequency synthesizer having improved loop response |
| 04/03/1996 | EP0704117A1 Compensated digital frequency synthesizer |
| 04/03/1996 | EP0621965B1 Pc-controlled direct digital synthesiser |
| 04/02/1996 | US5504445 Sine wave generating circuit |
| 03/19/1996 | US5500613 Method for producing a digital sine wave signal with a given sampling rate, and circuit configuration for carrying out the method |
| 03/05/1996 | US5497399 Digital FM modulating apparatus |
| 03/05/1996 | US5497385 Optical microwave generator |
| 02/27/1996 | US5495202 High spectral purity digital waveform synthesizer |
| 02/21/1996 | EP0697151A1 Numerically controlled oscillator and digital phase locked loop |
| 02/01/1996 | WO1996002977A1 Method and apparatus for alias-driven frequency downconversion (mixing) |
| 01/30/1996 | CA2061194C Phase-locked loop synthesizer for use in tdm communications system |
| 01/16/1996 | US5485153 Sinusoidal wave generation apparatus |
| 01/09/1996 | US5483473 Waveform generator and method which obtains a wave-form using a calculator |
| 12/12/1995 | US5475627 Digital wave synthesizer with address conversion for reducing memory capacity |
| 11/29/1995 | EP0390868B1 Pseudorandom dither and random dither for reducing frequency synthesis noise |
| 11/02/1995 | EP0656161A4 Apparatus and method for frequency translation in a communication device. |
| 10/24/1995 | US5461583 Programmable frequency sine wave signal generator |
| 10/17/1995 | US5459418 Frequency synthesizer |
| 10/12/1995 | WO1995027377A1 System for a phase coherent subcarrier generation |