Patents for H03B 23 - Generation of oscillations periodically swept over a predetermined frequency range (246) |
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02/18/2015 | EP2838201A1 Circuits for generating sweep frequency signal |
01/28/2015 | CN104320087A 一种高速数字扫频方法 A high-speed digital sweep method |
06/25/2014 | CN102395899B 采用直接数字合成器的系统 Direct digital synthesizer system |
06/13/2014 | DE202014004370U1 Schaltkreise zum Generieren eines Wobbelsignals Circuitry for generating a wobble signal |
05/06/2014 | US8717110 Frequency-jittering apparatuses, frequency-jittering methods and power management devices |
06/26/2013 | CN103178782A Frequency sweeping signal generator |
05/14/2013 | US8441217 Oscillator circuit with frequency sweep function |
04/16/2013 | US8421431 Frequency jitter controller for power converter |
03/27/2013 | CN202841055U High-speed frequency sweeping signal generator |
02/28/2013 | WO2013027314A1 Frequency sweep signal generator, frequency component analyzer, wireless device, and frequency sweep signal generating method |
05/23/2012 | CN102468805A 一种扫频信号发生器及扫频信号的产生方法 A method of generating a signal generator and sweep sweep |
03/28/2012 | CN102395899A System employing a direct digital synthesiser |
08/03/2011 | EP2350684A1 System employing a direct digital synthesiser |
11/10/2010 | EP1329019B1 Segmented spectrum clock generator apparatus and method for using same |
09/07/2010 | US7791426 Frequency modulator |
06/03/2010 | WO2010061170A1 System employing a direct digital synthesiser |
06/03/2010 | CA2744567A1 System employing a direct digital synthesiser |
12/09/2009 | CN101601183A Low noise generator for frequency swept signals |
12/02/2009 | EP2127066A2 Low noise generator for frequency swept signals |
08/12/2009 | CN201288989Y Stroboscopic lamp for controlling signal lamp |
07/09/2009 | US20090174440 Frequency-hopping pulse-width modulator for switching regulators |
04/21/2009 | US7521986 Switch element driver circuit and semiconductor device |
02/12/2009 | DE202008010435U1 Referenz Generator Reference generator |
11/12/2008 | EP1990916A2 Frequency modulator. |
10/02/2008 | WO2008093077A3 Low noise generator for frequency swept signals |
10/01/2008 | CN201123345Y Machine of automatically sweeping frequency for expelling insects |
08/07/2008 | WO2008093077A2 Low noise generator for frequency swept signals |
08/07/2008 | CA2676128A1 Low noise signal generation system |
07/02/2008 | CN100399698C Segmental spectrum clock generator apparatus and mehtod for using same |
04/29/2008 | US7365608 Digital frequency synthesiser and a method for producing a frequency sweep |
04/24/2008 | WO2008049122A2 High frequency nanotube oscillator |
04/08/2008 | US7355484 Oscillator and radar apparatus using the same |
03/13/2008 | DE19850447B4 Nicht-linearer Dispersions-Impulsgenerator Non-linear dispersion pulse generator |
12/12/2007 | EP1864413A1 Method for damping a high-frequency radiation of a clocked system |
02/22/2007 | US20070040616 Oscillator and radar apparatus using the same |
12/26/2006 | US7155190 DDS-PLL method for frequency sweep |
09/28/2006 | WO2006100147A1 Method for damping a high-frequency radiation of a clocked system |
06/21/2006 | EP1672381A1 FMCW radarsystem for automatic control system components of a technical installation |
05/03/2006 | EP1138113B1 Device for correcting non-linearities of voltage-controlled oscillators in a fmcw radar system |
03/09/2006 | DE19918026B4 Oszillatorschaltung mit verminderter Störstrahlung Oscillator circuit with reduced interference |
08/25/2005 | US20050186929 DDS-PLL method for frequency sweep |
06/14/2005 | US6906560 Phase-continuous frequency synthesizer |
05/19/2005 | WO2005046047A1 Oscillator and radar apparatus using the same |
04/20/2005 | EP1142112B1 A receiver and a variable frequency signal generating circuit for the receiver |
09/15/2004 | EP1329019A4 Segmented spectrum clock generator apparatus and method for using same |
01/28/2004 | CN1471756A Segmental spectrum clock generator apparatus and mehtod for using same |
12/24/2003 | CN2595076Y Frequency scanning circuits for R-C oscillation chips |
11/20/2003 | DE19939036C2 Anordnung zum Wobbeln (Sweepen) eines Frequenzsynthesesizers Arrangement of sweeping (sweep) of Frequenzsynthesesizers |
08/27/2003 | EP1099298B1 Synthesising a sine wave |
07/23/2003 | EP1329019A1 Segmented spectrum clock generator apparatus and method for using same |
06/03/2003 | US6573766 Synthesizing a sine wave |
04/30/2003 | DE4245020C2 Swept RF and microwave frequency synthesised source |
04/08/2003 | US6545634 Method for detecting and correcting non-linearities in radio-frequency, voltage controlled oscillators |
01/22/2003 | CN1099720C Nonradiation dielectric transmission line apparatus and instrument for measuring characteristics of circuit board |
01/07/2003 | US6504441 Voltage controlled oscillator with selectable frequency range |
01/07/2003 | US6504354 Signal analysis apparatus having YTO yttrium-iron garnet tuned oscillator |
09/19/2002 | US20020131541 Spread spectrum modulation technique for frequency synthesizers |
06/11/2002 | US6404834 Segmented spectrum clock generator apparatus and method for using same |
05/28/2002 | US6396314 Arrangement for the warbling (sweeping) of a frequency synthesizer |
04/10/2002 | EP1195888A2 High range resolution radar through non-uniform sampling |
03/28/2002 | WO2002025806A1 Segmented spectrum clock generator apparatus and method for using same |
02/26/2002 | US6351485 Spread spectrum modulation technique for frequency synthesizers |
11/13/2001 | US6317074 High range resolution radar through non-uniform sampling |
11/13/2001 | US6316943 Signal generator |
10/10/2001 | EP1142112A1 A receiver and a variable frequency signal generating circuit for the receiver |
10/04/2001 | EP1138113A1 Device for correcting non-linearities of voltage-controlled oscillators in a fmcw radar system |
08/30/2001 | WO2001063742A1 Swept frequency phase locked loop |
05/25/2001 | WO2001036989A1 Signal analysing apparatus having yto |
05/16/2001 | EP1099298A1 Synthesising a sine wave |
03/13/2001 | US6201447 Phase synchronization circuit with units for setting sweep frequency and control voltage |
02/22/2001 | DE19939036A1 Frequency sweeping device for frequency synthesiser of spectrum analyser, has clock frequency of accumulator control by circuit programmed for desired variation with time |
11/14/2000 | US6147560 Method and device relating to supervision and control of an oscillator signal |
09/05/2000 | US6114987 Dual-loop linearizer for FM-CW radar |
08/15/2000 | US6104250 Method and an apparatus for controlling an oscillator for generating a linear frequency sweep by use of a phase-locked loop |
07/18/2000 | US6091356 Chirp source with rolling frequency lock for generating linear frequency chirps |
07/06/2000 | DE19857040A1 Verfahren zur Detekton und Korrektur von Nichtlinearitäten hochfrequenter, spannungsgesteuerter Oszillatoren Method for Detekton and correction of non-linearities of high frequency, voltage controlled oscillators |
06/29/2000 | WO2000038320A1 A receiver and a variable frequency signal generating circuit for the receiver |
06/21/2000 | EP0873588B1 Method and device for modulating the frequency of a high-frequency signal |
06/15/2000 | WO2000035076A1 Device for correcting non-linearities of voltage-controlled oscillators in a fmcw radar system |
06/08/2000 | DE19855367A1 Fractional frequency synthesizer for precision frequency modulated continuous wave radar system, has memory holding frequency divider division factors generated by microprocessor |
04/11/2000 | US6049257 Method and arrangement for frequency modulation of a high-frequency signal |
02/22/2000 | US6028425 Signal generator |
02/22/2000 | US6028388 Piezoelectric transformer driver |
12/29/1999 | WO1999067877A1 Synthesising a sine wave |
12/29/1999 | CA2334975A1 Synthesising a sine wave |
07/06/1999 | USH1797 Linear frequency modulation apparatus and technique |
07/06/1999 | US5920245 Nonradiative dielectric line apparatus including a specifically oriented circuit board |
04/21/1999 | EP0909483A1 A method of and an arrangement for controlling an oscillator |
12/22/1998 | US5852418 Notched-spectrum swept-frequency generator and method therefor |
10/28/1998 | EP0873588A1 Method and device for modulating the frequency of a high-frequency signal |
07/29/1998 | EP0855792A1 Method and device relating to supervision and control of an oscillator signal |
07/07/1998 | US5777574 High resolution imaging radar linear frequency modulation bandwidth multiplier |
06/23/1998 | US5770989 Nonradiative dielectric line apparatus and instrument for measuring characteristics of a circuit board |
06/23/1998 | CA2104215C Radio receiver for forming a baseband signal of time-varying frequencies |
05/12/1998 | US5751747 Linear swept frequency generator |
02/17/1998 | US5719512 Digital oscillating circuit for multiple systems-ready television receivers |
01/20/1998 | US5710524 Clock synthesizer for low EMI applications |
01/08/1998 | WO1998000920A1 A method of and an arrangement for controlling an oscillator |
12/02/1997 | US5694132 Voltage feedback linearizer |
08/19/1997 | US5659587 Spread spectrum phase-locked loop clock generator with VCO driven by a symmetrical voltage ramp signal |