| 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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| 05/19/2010 | CN101324361B High-power ultrasonic humidifier |
| 05/05/2010 | CN1447935B Method for generating clock signal and clock generator |
| 04/27/2010 | US7707235 Free-running numerically-controlled oscillator using complex multiplication with compensation for amplitude variation due to cumulative round-off errors |
| 03/25/2010 | WO2010032328A1 Pll circuit and film thickness measuring instrument using the same |
| 03/17/2010 | CN101674048A Conversion circuit of orthogonal sine signal |
| 03/17/2010 | CN100594664C Sine wave shaper with very low total harmonic distortion |
| 03/03/2010 | CN101662260A 半导体集成电路 The semiconductor integrated circuit |
| 02/25/2010 | WO2009089321A4 Digital feequency generator |
| 02/18/2010 | DE112008000971T5 Kosteneffizienter rauscharmer Single Loop- bzw. Einschleifen-Synthesizer Cost-efficient low-noise single loop or single-loop synthesizer |
| 02/04/2010 | US20100026349 Square to pseudo-sinusoidal clock conversion circuit and method |
| 01/28/2010 | US20100019809 Switch Controller, Switch Control Method, And Converter Using The Same |
| 01/21/2010 | US20100013527 Apparatus, system, and method for integrated phase shifting and amplitude control of phased array signals |
| 01/19/2010 | US7650080 Method and apparatus for waveform generation |
| 01/14/2010 | WO2010006175A1 Highly precise and low level signal-generating drivers, systems and methods of use |
| 01/14/2010 | CA2730089A1 Highly precise and low level signal-generating drivers, systems, and methods of use |
| 12/31/2009 | US20090322434 Control method for operation modes of oscillator and the apparatus thereof |
| 12/30/2009 | CN101615887A Parallel resonance oscillation wave generation device |
| 12/23/2009 | CN101611541A Sinusoidal wave generation circuit |
| 12/23/2009 | CN100574092C Voltage controlled digital analog oscillator and frequency synthesizer using the same |
| 12/17/2009 | WO2009126374A3 Agile high resolution arbitrary waveform generator with jitterless frequency stepping |
| 12/16/2009 | CN101604956A Method and device thereof for generating three-phase sine waves |
| 12/10/2009 | US20090302959 Synchronous distributed oscillator |
| 12/03/2009 | WO2009111374A3 Synthesized local oscillator and method of operation thereof |
| 12/03/2009 | WO2009089321A3 Digital feequency generator |
| 12/03/2009 | US20090295437 Signal waveform generating circuit and method |
| 11/25/2009 | CN100563095C Adding-up apparatus and digital circuit unit of its direct digit frequency synthesizing apparatus |
| 11/25/2009 | CN100563094C Reference signal generator used for compensation to voltage leap and compensation circuit thereof |
| 11/18/2009 | CN101582680A Realization method of tunable superlattice oscillator |
| 10/15/2009 | WO2009126374A2 Agile high resolution arbitrary waveform generator with jitterless frequency stepping |
| 10/14/2009 | CN100550602C Method of generating test tone signal and test-tone-signal generating circuit |
| 10/08/2009 | US20090251228 Voltage-controlled variable frequency oscillation circuit and signal processing circuit |
| 09/29/2009 | US7595669 Method and apparatus for producing clean, undistorted variable voltage 50-60 Hz sine wave |
| 09/24/2009 | US20090237170 Method and apparatus for advanced frequency tuning |
| 09/16/2009 | CN100542030C Method and arrangement for generating cyclic pulses |
| 09/15/2009 | US7589600 Spin oscillator device |
| 09/11/2009 | WO2009111374A2 Synthesized local oscillator and method of operation thereof |
| 09/10/2009 | US20090224840 Photonic diode |
| 09/09/2009 | CN101527541A Picosecond pulse generator based on coplanar waveguide and trough line |
| 09/01/2009 | US7583153 Systems and methods for multiplexing multiphase clocks |
| 08/19/2009 | CN100530974C Waveform generation method, radar device, and oscillator for radar device |
| 08/11/2009 | US7573337 Code NCO and GPS receiver |
| 08/05/2009 | CN100525109C Direct digital frequency synthesizer of shaped frequency noise |
| 07/22/2009 | CN100517953C DDS circuit with arbitrary frequency control clock |
| 07/08/2009 | CN101478286A Square wave-sine wave signal converting method and converting circuit |
| 07/02/2009 | US20090167450 Oscillating current converter |
| 06/02/2009 | CA2438782C Power oscillator for control of waveshape and amplitude |
| 05/07/2009 | US20090115541 Circuit for phase locked oscillators |
| 04/29/2009 | CN100483921C Direct digitalized signal synthesizer |
| 04/09/2009 | US20090091398 Oscillating apparatus |
| 04/08/2009 | CN100477486C Waveform generating device and method, and decoder |
| 04/08/2009 | CN100477484C Voltage controlled oscillator and phase locked loop circuit having the same |
| 04/01/2009 | CN101399046A Magnetic head and magnetic recording device |
| 03/31/2009 | US7511583 Photonic diode |
| 03/12/2009 | US20090066428 Device for providing an a.c. signal |
| 03/11/2009 | CN101383152A Apparatus for assisting write operation using high frequency magnetic field in disk drive |
| 03/05/2009 | WO2009027887A1 A device for and a method of generating signals |
| 03/05/2009 | US20090058539 Period signal generator of semiconductor integreated circuit |
| 02/05/2009 | US20090033379 Generation of a Digital Controlled Precise Analog Sine Function |
| 01/21/2009 | CN100454755C Annular voltage controlled oscillator |
| 01/15/2009 | US20090015296 Digital frequency synthesizer and method thereof |
| 01/07/2009 | CN100449935C Annular voltage controlled oscillator operated in differential signal and low voltage |
| 12/17/2008 | CN101324362A Ultrasonic humidifier |
| 12/17/2008 | CN101324361A High-power ultrasonic humidifier |
| 12/10/2008 | CN101320567A Magnetic recording head and magnetic recording apparatus |
| 12/03/2008 | CN100440724C 低噪声振荡器 Low-noise oscillator |
| 12/03/2008 | CN100440723C Emulator of transistor oscillator |
| 11/20/2008 | US20080284472 Apparatus for adjusting bandwidth and central frequency of oscillating signal generated from chaotic signal and method for generating signal thereof |
| 11/19/2008 | EP1639702B1 Self-oscillating power circuit |
| 11/19/2008 | CN101309068A Digital forced oscillation by direct digital synthesis |
| 10/23/2008 | WO2008127972A1 Cost effective low noise single loop synthesizer |
| 10/23/2008 | US20080258833 Signal Generator With Directly-Extractable Dds Signal Source |
| 10/15/2008 | CN101286185A Numerical frequency synthesis circuit compiler accomplishing method based on linear interpolation structure |
| 10/07/2008 | US7432768 Voltage controlled digital analog oscillator and frequency synthesizer using the same |
| 09/30/2008 | US7429883 Oscillator configured to complete an output pulse after inactivation |
| 09/09/2008 | US7423460 Sine wave shaper with very low total harmonic distortion |
| 09/02/2008 | US7420430 Method and arrangement for generating an output clock signal with an adjustable phase relation from a plurality of input clock signals |
| 08/20/2008 | CN101246045A Sinusoidal modulated signal rectification tool using various oscillator systems |
| 08/14/2008 | WO2008098091A2 Regulated output current and slope control |
| 08/06/2008 | CN100409026C Digital controlled oscillator for radio signal receiver |
| 07/29/2008 | US7405499 Waveform generating apparatus, waveform generating method, and decoder |
| 06/19/2008 | WO2008072555A1 Sinusoidal wave generation circuit |
| 06/18/2008 | CN101204006A Wideband RF pseudo-sine signal generator |
| 06/04/2008 | EP1928093A1 Waveform generation method, waveform generation program, waveform generation circuit and radar apparatus |
| 06/04/2008 | CN100392976C High order Epsilon Delta noise shaping interpolator for direct digital frequency synthesis |
| 05/29/2008 | US20080122496 Generation of an Oscillation Signal |
| 05/29/2008 | US20080122491 Frequency comparator, frequency synthesizer, and related methods thereof |
| 05/21/2008 | CN201062850Y Ultrasonic humidifier |
| 05/21/2008 | CN201062849Y High-power ultrasonic humidifier |
| 05/15/2008 | US20080111641 High-resolution varactors, single-edge triggered digitally controlled oscillators, and all-digital phase-locked loops using the same |
| 04/10/2008 | DE102006048697A1 Periodic electrical signal generating device for opto-electronic range finder, has direct-digital-synthesis-device with truth table values selected, so that phase difference is smaller than integer or non-integer multiple of small time unit |
| 04/02/2008 | CN101156314A Microwave generating apparatus and microwave generating method |
| 03/25/2008 | US7348858 Photonic diode |
| 03/25/2008 | CA2276850C Digital signal synthesizer |
| 03/13/2008 | US20080061892 Single-Electron Injection/Extraction Device for a Resonant Tank Circuit and Method of Operation Thereof |
| 03/12/2008 | EP1897215A1 Wideband rf pseudo-sine signal generator |
| 03/12/2008 | EP1057252B1 Direct digital synthesis of precise, stable angle modulated rf signal |
| 02/27/2008 | CN101132165A Reference signal generator used for compensation to voltage leap and compensation circuit thereof |
| 02/27/2008 | CN100372229C Integrated circuit for high frequency device |
| 02/07/2008 | DE102006035582A1 Oscillation maintaining circuit for half duplex transponder, has detector supplying end-of-burst signal, when amplitude of oscillation signal is decreased below preset threshold value, and regenerator supplying clock signal |
| 01/22/2008 | US7321911 Method of generating sinusoidal signal |