| Patents for H03B 19 - Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source (1,662) |
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| 06/22/2004 | US6753709 Digital clock rate multiplier method and apparatus |
| 06/09/2004 | EP1425844A1 Oscillator |
| 05/06/2004 | EP1416354A2 Programmable frequency multiplier |
| 04/29/2004 | US20040080350 Adjustment of a clock duty cycle |
| 04/28/2004 | EP1413049A1 Oscillator |
| 04/21/2004 | CN1147047C Combinational delay circuit for digital frequency multiplier |
| 04/15/2004 | DE10347467A1 Frequenzmultiplizierer und zugehöriges Multiplizierverfahren sowie Datenausgabepuffer und Halbleiterbaustein Frequency multiplier and associated multiplication method and data output buffer and semiconductor device |
| 04/14/2004 | CN1489824A Oscillator transmission circuit and radio apparatus |
| 04/01/2004 | US20040061560 Frequency multiplier and method of multiplying frequency of external clock signal, data output buffer, and semiconductor device including the frequency multiplier and the data output |
| 03/24/2004 | EP1401094A1 Frequency multiplier |
| 03/23/2004 | US6710635 Frequency and phase locked loop |
| 03/16/2004 | US6707344 High efficiency, low noise frequency tripler and method |
| 03/11/2004 | US20040046594 Programmable frequency multiplier |
| 03/09/2004 | US6703904 High frequency oscillator |
| 02/19/2004 | US20040032303 Oscillator transmission circuit and radio apparatus |
| 02/12/2004 | WO2004013968A1 Digital vco and pll circuit using the digital vco |
| 01/08/2004 | DE10226889A1 Frequenzverdoppler Frequency doubler |
| 01/01/2004 | US20040000935 Digital clock rate multiplier method and apparatus |
| 12/23/2003 | US6667639 Frequency multiplying system having a plurality of output frequencies |
| 12/16/2003 | US6665368 Apparatus and method for increasing the maximum input frequency of a frequency divider |
| 12/16/2003 | US6664860 Programmable oscillator circuit and method |
| 12/16/2003 | US6664824 Frequency doubler circuit arrangement |
| 12/11/2003 | US20030227312 Method and arrangement for frequency doubling |
| 12/10/2003 | CN1130820C Buffer amplifying return circuit |
| 12/02/2003 | US6657508 Frequency-generator circuit |
| 11/26/2003 | EP1364470A2 Transceiver with frequency multiplier tracked to frequency generator |
| 11/19/2003 | CN1457559A Transceiver with frequency multiplier tracked to frequency generator |
| 11/05/2003 | CN1454401A A non-radiative dielectric waveguide circuit positioned between two metal plates which are multi-layered for different seizes of spacers |
| 10/29/2003 | EP1357667A1 Frequency synthesizer and transceiver including same |
| 10/29/2003 | EP1252707B1 Multifunction high frequency integrated circuit structure |
| 10/28/2003 | US6640095 Frequency multiplier and wireless device incorporating same |
| 10/28/2003 | US6639477 Oscillator, transmitter provided with such an oscillator, and use of such a transmitter |
| 10/22/2003 | EP1250750B1 Oscillator using a lumped element lc resonant circuit |
| 10/22/2003 | CN1125533C Balance frequency mixer |
| 07/29/2003 | US6600912 Receiver for various frequency bands |
| 07/23/2003 | CN1431771A Circuit used to lower power consumption of IC oscillator and its circuit |
| 07/10/2003 | US20030128773 High efficiency, low noise frequency tripler and method |
| 07/03/2003 | WO2003055064A1 Analogue system of generating quadrature signals |
| 07/03/2003 | US20030122630 Programmable oscillator circuit |
| 06/10/2003 | US6577213 Method and apparatus for multiplying a frequency of an electromagnetic wave |
| 05/29/2003 | US20030098746 High frequency oscillator |
| 05/21/2003 | EP1313210A1 Quadrature frequency multiplier |
| 05/21/2003 | EP1313209A1 Quadrature frequency multiplier |
| 05/15/2003 | US20030090332 High frequency oscillator using transmission line resonator |
| 05/02/2003 | EP1305842A1 A non-radiative dielectric waveguide circuit positioned between two metal plates which are multi-layered for different sizes of spacers |
| 04/23/2003 | CN1413377A Oscillator using lumped element LC resonant circuit |
| 04/17/2003 | US20030071665 Frequency multiplying system having a plurality of output frequencies |
| 04/16/2003 | CN1411137A Low noise relaxation type oscillator |
| 04/16/2003 | CN1106066C 分频器 Divider |
| 04/10/2003 | WO2003030350A1 Oscillator, transmission circuit, and radio apparatus |
| 03/25/2003 | US6538520 Methods and apparatus for producing a reference frequency signal with use of a reference frequency quadrupler having frequency selection controls |
| 03/18/2003 | US6535037 Injection locked frequency multiplier |
| 03/18/2003 | US6535022 Frequency doubler circuit having detect-control unit for improving frequency doubling performance |
| 03/13/2003 | US20030048866 Apparatus and method for increasing the maximum input frequency of a frequency divider |
| 03/05/2003 | CN1401155A 多功能高频集成电路结构 Multifunction high frequency integrated circuit structure |
| 03/04/2003 | US6529052 Frequency multiplier based on exclusive-or gate and frequency divider |
| 03/04/2003 | US6529051 Frequency multiplier without spurious oscillation |
| 02/27/2003 | WO2002067443A3 Transceiver with frequency multiplier tracked to frequency generator |
| 02/06/2003 | US20030025537 Frequency doubler circuit arrangement |
| 01/28/2003 | US6512421 Gunn diode oscillator with NRD guide |
| 01/23/2003 | US20030017812 Frequency multiplier |
| 01/16/2003 | WO2003005560A1 Oscillator |
| 01/16/2003 | WO2003005559A1 Oscillator |
| 12/12/2002 | US20020186062 Frequency doubler circuit having detect-control unit for improving frequency doubling performance |
| 12/03/2002 | US6489816 Frequency converter with direct current suppression |
| 11/19/2002 | US6483362 Pulse generator |
| 11/14/2002 | WO2002091563A1 Frequency multiplier |
| 11/05/2002 | US6476694 Non-radiative dielectric waveguide circuit positioned between two metal plates which are multi-layered for different sizes of spaces |
| 11/05/2002 | US6476692 Distributed balanced frequency multiplier |
| 10/30/2002 | EP1252707A1 Multifunction high frequency integrated circuit structure |
| 10/24/2002 | WO2001058006A9 Multifunction high frequency integrated circuit structure |
| 10/23/2002 | EP1250750A1 Oscillator using a lumped element lc resonant circuit |
| 10/22/2002 | CA2102255C Push-push ring resonator oscillator |
| 10/16/2002 | CN2517173Y Combined switch filtering, high-stability, low-noise, high-speed frequency synthesizer |
| 10/15/2002 | US6466064 Frequency multiplier device and frequency multiplier circuit |
| 10/01/2002 | US6459311 Frequency doubler circuit having detect-control unit for improving frequency doubling performance |
| 09/26/2002 | US20020135443 Method and apparatus for multiplying a frequency of an electromagnetic wave |
| 09/26/2002 | DE10148238A1 Frequenzvervielfachervorrichtung und Frequenzvervielfacherschaltung Frequenzvervielfachervorrichtung and frequency multiplier |
| 09/25/2002 | CN1371167A Voltage controlled variable tuning circuit for changing vibrating frequency band of voltage controlled vibrator |
| 09/24/2002 | US6456836 Frequency multiplier and wireless device incorporating same |
| 09/24/2002 | US6456143 Frequency multiplier circuit and semiconductor integrated circuit |
| 09/19/2002 | US20020132602 Frequency multiplier and wireless device incorporating same |
| 09/12/2002 | US20020125924 Frequency multiplier device and frequency multplier circuit |
| 09/04/2002 | CN1367578A Method and equipment for frequency multiplication |
| 09/03/2002 | US6446244 Method and circuit configuration for producing sinusoidal/cosinusoidal oscillations |
| 09/03/2002 | US6445256 Oscillator and radio equipment |
| 08/29/2002 | WO2002067443A2 Transceiver with frequency multiplier tracked to frequency generator |
| 08/29/2002 | US20020119759 Transceiver with frequency multiplier tracked to frequency generator |
| 08/29/2002 | US20020118050 Frequency doubler |
| 08/27/2002 | US6441657 Combinational delay circuit for a digital frequency multiplier |
| 08/15/2002 | US20020109555 Voltage-controlled variable tuning circuit for switching an oscillation frequency band of a voltage controlled oscillator |
| 08/06/2002 | US6429748 Oscillation circuits featuring coaxial resonators |
| 07/31/2002 | EP1227575A2 Method for multiplying a frequency and instrument for multiplying a frequency |
| 06/27/2002 | US20020081983 Signal source with multiphase filter |
| 06/20/2002 | WO2002049204A1 Oscillation circuits featuring coaxial resonators |
| 06/20/2002 | US20020075045 Frequency multiplier |
| 05/14/2002 | US6388546 Method and apparatus for cascading frequency doublers |
| 04/24/2002 | CN1346175A Frequency double circuit with detection control unit used for improving frequency doubling preperty |
| 04/09/2002 | US6369675 Frequency multiplier capable of taking out efficiently and stably harmonics higher than fourth order |
| 04/09/2002 | US6369622 Clock doubler circuit with RC-CR phase shifter network |