H03H - Impedance networks, e.g. resonant circuits; Resonators

More topics under "H03H - Impedance networks, e.g. resonant circuits; Resonators" (70,205)
H03H 1 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (2,020)
H03H 11 - Networks using active elements (9,098)
H03H 15 - Transversal filters (1,369)
H03H 17 - Networks using digital techniques (9,654)
H03H 19 - Networks using time-varying elements, e.g. n-path filters (1,194)
H03H 2 - Networks using elements or techniques not provided for in groups (371)
H03H 21 - Adaptive networks (3,855)
H03H 3 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators (6,646)
H03H 5 - One-port networks comprising only passive electrical elements as network components (778)
H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116)

Patents for H03H - Impedance networks, e.g. resonant circuits; Resonators (144)
04/2013
04/16/2013	CA2513976C Temperature compensation for silicon mems resonator
05/2012
05/23/2012	CN101223767B Method and system for low delay echo cancelling
11/2011
11/16/2011	CN1768475B MEMS resonator and its manufacture method
02/2011
02/08/2011	US7885991 Digital filter having a fir filter and a warped fir filter, and a listening device including such a digital filter
10/2010
10/26/2010	US7822194 Method and system for low delay echo cancelling
07/2010
07/20/2010	US7759932 Magnetic field response sensor for conductive media
03/2010
03/23/2010	US7683737 Broadband phase shifter
03/23/2010	US7683703 Active filter
12/2009
12/24/2009	US20090315546 Magnetic Field Response Sensor For Conductive Media
09/2009
09/15/2009	US7589525 Magnetic field response sensor for conductive media
08/2009
08/18/2009	US7577189 Selectable hybrid circuitry for transmission systems and method therefor
06/2009
06/11/2009	US20090149035 Method for manufacturing of a crystal oscillator
05/2009
05/27/2009	CN100492894C Circuit for parallel operation of doherty amplifiers
04/2009
04/07/2009	US7515006 Resonator for a voltage controlled oscillator and manufacturing method thereof
01/2009
01/13/2009	US7477117 Saw filter with improved selection or insulation
12/2008
12/31/2008	CN101336512A Method for producing crystal oscillator
08/2008
08/14/2008	US20080193307 Motion Imparting Device
07/2008
07/16/2008	CN101223767A Method and system for low delay echo cancelling
06/2008
06/25/2008	EP1644992A4 Multi-reflective acoustic wave device
04/2008
04/23/2008	EP1618658A4 Temperature compensation for silicon mems resonator
04/22/2008	US7362197 Temperature compensation for silicon MEMS resonator
04/16/2008	EP1911258A1 Method and system for low delay echo cancelling
02/2008
02/14/2008	US20080036548 Resonator For A Voltage Controlled Oscillator And Manufacturing Method Thereof
12/2007
12/06/2007	US20070279156 Saw Filter With Improved Selection or Insulation
08/2007
08/29/2007	EP1825591A1 Resonator for a voltage controlled oscillator and manufacturing method thereof
08/28/2007	US7262656 Circuit for parallel operation of Doherty amplifiers
08/16/2007	US20070188269 Temperature compensation for silicon MEMS resonator
06/2007
06/28/2007	US20070146097 Broadband phase shifter
06/07/2007	WO2007063169A1 A method for manufacturing of a crystal oscillator
04/2007
04/26/2007	US20070094319 Digital filter and listening device
04/10/2007	US7202761 Temperature compensation for silicon MEMS resonator
03/2007
03/29/2007	US20070071254 Method and system for low delay echo cancelling
03/29/2007	US20070071079 Selectable hybrid circuitry for transmission systems and method therefor
01/2007
01/18/2007	WO2007008086A1 Method and system for low delay echo cancelling
01/18/2007	US20070013371 Magnetic Field Response Sensor For Conductive Media
12/2006
12/21/2006	WO2005022743A3 Xdls system with improved impedance circuitry
12/06/2006	CN1875542A An active filter
12/05/2006	US7145943 XDSL system with improved impedance circuitry
09/2006
09/07/2006	US20060197587 Active filter
08/2006
08/24/2006	US20060186971 Temperature compensation for silicon MEMS resonator
07/2006
07/11/2006	US7075295 Magnetic field response sensor for conductive media
07/04/2006	US7071793 Temperature compensation for silicon MEMS resonator
06/2006
06/21/2006	CN1791988A Multi-reflective acoustic wave device
06/08/2006	WO2006059951A1 Resonator for a voltage controlled oscillator and manufacturing method thereof
05/2006
05/03/2006	CN1768475A Temperature compensation for silicon MEMS resonator
04/2006
04/12/2006	EP1644992A2 Multi-reflective acoustic wave device
03/2006
03/02/2006	US20060044060 Circuit for parallel operation of Doherty amplifiers
03/01/2006	CN1741373A Circuit for parallel operation of doherty amplifiers
02/2006
02/21/2006	US7002281 Multi-reflective acoustic wave device
01/2006
01/25/2006	EP1618658A2 Temperature compensation for silicon mems resonator
01/17/2006	US6987432 Temperature compensation for silicon MEMS resonator
12/2005
12/07/2005	EP1602259A2 Digital filter and listening device
10/2005
10/13/2005	WO2005011113A3 Multi-reflective acoustic wave device
07/2005
07/28/2005	US20050162239 Temperature compensation for silicon MEMS resonator
07/21/2005	WO2004100363A3 Magnetic field response sensor for conductive media
07/07/2005	WO2004095696A3 Temperature compensation for silicon mems resonator
06/2005
06/23/2005	WO2004109911A3 Saw filter with improved selection or insulation.
04/2005
04/20/2005	CN1198390C Method for manufacturing piezoelectric resonator
04/14/2005	WO2004114520A3 Motion imparting device
03/2005
03/10/2005	WO2005022743A2 Xdls system with improved impedance circuitry
03/10/2005	WO2005011112A8 An active filter
02/2005
02/24/2005	WO2004082139A8 Transmission lead
02/03/2005	WO2005011113A2 Multi-reflective acoustic wave device
02/03/2005	WO2005011112A2 An active filter
01/2005
01/27/2005	US20050017711 Magnetic field response sensor for conductive media
01/20/2005	US20050012431 Multi-reflective acoustic wave device
12/2004
12/29/2004	WO2004114520A2 Motion imparting device
12/23/2004	DE10325798A1 SAW-Filter mit verbesserter Selektion oder Isolation SAW filter having improved selection or isolation
12/16/2004	WO2004109911A2 Saw filter with improved selection or insulation.
11/2004
11/25/2004	WO2004079901A3 Digital filter and listening device
11/18/2004	WO2004100363A2 Magnetic field response sensor for conductive media
11/04/2004	WO2004095696A2 Temperature compensation for silicon mems resonator
11/04/2004	CA2805322A1 Temperature compensation for silicon mems resonator
11/04/2004	CA2513976A1 Temperature compensation for silicon mems resonator
10/2004
10/21/2004	US20040207489 Temperature compensation for silicon MEMS resonator
09/2004
09/23/2004	WO2004082139A1 Transmission lead
09/16/2004	WO2004079901A2 Digital filter and listening device
02/2004
02/26/2004	US20040037352 XDSL system with improved impedance circuitry
08/2003
08/13/2003	CN1118133C Piezoelectric resonator, method for adjusting frequency thereof and communication apparatus comprising said resonator
02/2003
02/05/2003	CN1395367A Method for manufacturing piezoelectric resonator
01/2003
01/29/2003	CN1100383C Piezoelectric resonator and electronic component using same resonator
01/29/2003	CN1100352C Piezoelectric resonator and electronic component using same
01/15/2003	CN1099158C Encapsulation for electronic components
12/2002
12/11/2002	CN1096144C Ladder type filter
09/2002
09/10/2002	US6446316 Method for producing an encapsulation for a SAW component operating with surface acoustic waves
05/2002
05/22/2002	CN1085442C Piezoelecric resonator, manufacturing method thereof and electronic component using said piezoelectric resonator
01/2002
01/30/2002	CN1078772C Piezoelectric resonator and electronic element using it
01/30/2002	CN1078771C Piezoelectric component
01/23/2002	CN1078405C Piezoelectric resonator and electric component using same
01/02/2002	CN1077356C Piezoelectric resonator and electronic component using the same
11/2001
11/14/2001	CN1074870C Piezoelectric resonator and electronic component using same
10/2001
10/31/2001	CN1074213C Piezoresonator and electronic element for using it
11/2000
11/07/2000	US6144141 Piezoelectric resonator and electronic component containing same
04/2000
04/25/2000	US6054793 Piezoelectric resonator method for adjusting frequency of piezoelectric resonator and communication apparatus including piezoelectric resonator
10/1999
10/05/1999	US5962956 Piezoelectric resonator and electronic component containing same
08/1999
08/03/1999	US5932951 Piezoelectric resonator and electronic component containing same
07/1999
07/20/1999	US5925971 Piezoelectric resonator and electronic component containing same
06/1999
06/15/1999	US5912601 Piezoelectric resonator and electronic component containing same
06/15/1999	US5912600 Piezoelectric resonator and electronic component containing same
05/1999
05/04/1999	US5900790 Piezoelectric resonator, manufacturing method therefor, and electronic component using the piezoelectric resonator

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