Patents
Patents for H03L - Automatic control, starting, synchronisation, or stabilisation of generators of electronic oscillations or pulses (92)
08/2011
08/31/2011CN1768479B Method and system of jitter compensation
03/2011
03/15/2011US7907016 Method and system of jitter compensation
12/2010
12/08/2010EP1625664B1 Automated site security, monitoring and access control system
09/2010
09/22/2010CN1998156B System and method for activation of portable and mobile media player devices for wireless lan services
04/2009
04/29/2009CN100483947C System and method for coarse tuning a phase locked loop (pll) synthesizer using 2-pi slip detection
03/2009
03/19/2009US20090072913 Method and system of jitter compensation
02/2009
02/24/2009US7496169 Frequency synthesizer, pulse train generation apparatus and pulse train generation method
12/2008
12/09/2008US7463710 Fractional-N synthesizer and method of programming the output phase
10/2007
10/03/2007EP1625664A4 Automated site security, monitoring and access control system
07/2007
07/19/2007US20070165764 Phase conjugate circuit
07/11/2007CN1998156A System and method for activation of portable and mobile media player devices for wireless lan services
04/2007
04/10/2007US7202717 Chopped charge pump
04/04/2007EP1609243B1 Method and system of jitter compensation
10/2006
10/10/2006US7119674 Automated site security, monitoring and access control system
06/2006
06/14/2006EP1620948A4 System and method for activation of portable and mobile media player devices for wireless lan services
06/07/2006EP1665575A2 Phase conjugation circuit
05/2006
05/11/2006WO2004107580A3 Automated site security, monitoring and access control system
05/04/2006WO2005002055A3 Fractional-n synthesizer and method of programming the output phase
05/03/2006CN1768479A Method and system of jitter compensation
04/2006
04/18/2006US7030669 Circuit to linearize gain of a voltage controlled oscillator over wide frequency range
03/2006
03/16/2006US20060056565 Frequency synthesizer, pulse train generation apparatus and pulse train generation method
03/15/2006CN1748368A System and method for coarse tuning a phase locked loop (pll) synthesizer using 2-pi slip detection
02/2006
02/15/2006EP1625664A2 Automated site security, monitoring and access control system
02/09/2006WO2004084413A3 System and method for activation of portable and mobile media player devices for wireless lan services
02/01/2006EP1620948A2 System and method for activation of portable and mobile media player devices for wireless lan services
12/2005
12/28/2005EP1609243A1 Method and system of jitter compensation
10/2005
10/20/2005WO2005004331A3 Differential charge pump phase lock loop (pll) synthesizer with adjustable tuning voltage range
10/06/2005WO2005004315A3 Chopped charge pump
08/2005
08/04/2005WO2005002069A3 Fast lock phase lock loop and method thereof
07/2005
07/21/2005WO2005001284A3 Pulse width modulated common mode feedback loop and method for differential charge pump
06/2005
06/16/2005WO2005031977A3 Phase conjugation circuit
06/14/2005US6906565 Fast lock phase lock loop and method thereof
06/07/2005US6903585 Pulse width modulated common mode feedback loop and method for differential charge pump
05/2005
05/26/2005WO2005004332A3 Improved charge pump system for fast locking phase lock loop
05/24/2005US6897690 Charge pump system for fast locking phase lock loop
05/06/2005WO2005004333A3 Gain compensated fractional-n phase lock loop system and method
04/2005
04/07/2005WO2005031977A2 Phase conjugation circuit
03/2005
03/17/2005US20050057313 Differential charge pump phase lock loop (PLL) synthesizer with adjustable tuning voltage range
02/2005
02/10/2005US20050030072 Fast lock phase lock loop and method thereof
02/03/2005US20050024112 Pulse width modulated common mode feedback loop and method for differential charge pump
02/03/2005US20050024106 Charge pump system for fast locking phase lock loop
01/2005
01/27/2005US20050017776 Chopped charge pump
01/13/2005WO2005004333A2 Gain compensated fractional-n phase lock loop system and method
01/13/2005WO2005004332A2 Improved charge pump system for fast locking phase lock loop
01/13/2005WO2005004331A2 Differential charge pump phase lock loop (pll) synthesizer with adjustable tuning voltage range
01/13/2005WO2005004315A2 Chopped charge pump
01/06/2005WO2005002069A2 Fast lock phase lock loop and method thereof
01/06/2005WO2005002055A2 Fractional-n synthesizer and method of programming the output phase
01/06/2005WO2005001284A2 Pulse width modulated common mode feedback loop and method for differential charge pump
12/2004
12/30/2004US20040264622 Fractional-N synthesizer and method of programming the output phase
12/28/2004US6836169 Single ended clock signal generator having a differential output
12/23/2004WO2004075411A3 System and method for coarse tuning a phase locked loop (pll) synthesizer using 2-pi slip detection
12/23/2004WO2004059845A3 Clock signal generator having a differential output
12/21/2004US6834183 VCO gain tracking for modulation gain setting calibration
12/09/2004WO2004107580A2 Automated site security, monitoring and access control system
12/02/2004US20040242224 System and method for activation of portable and mobile media player devices for wireless LAN services
11/2004
11/25/2004WO2004075412A3 Circuit to linearize gain of a voltage controlled oscillator over wide frequency range
11/25/2004US20040233036 Automated site security, monitoring and access control system
11/04/2004WO2004068711A3 Comparator and method for operating the comparator
10/2004
10/14/2004WO2004088846A1 Method and system of jitter compensation
09/2004
09/30/2004WO2004084413A2 System and method for activation of portable and mobile media player devices for wireless lan services
09/30/2004CA2519531A1 System and method for activation of portable and mobile media player devices for wireless lan services
09/02/2004WO2004075412A2 Circuit to linearize gain of a voltage controlled oscillator over wide frequency range
09/02/2004WO2004075411A2 System and method for coarse tuning a phase locked loop (pll) synthesizer using 2-pi slip detection
08/2004
08/26/2004US20040164815 Circuit to linearize gain of a voltage controlled oscillator over wide frequency range
08/12/2004WO2004068711A2 Comparator and method for operating the comparator
08/10/2004US6774732 System and method for coarse tuning a phase locked loop (PLL) synthesizer using 2-PI slip detection
08/04/2004EP1443647A1 Comparator and method for operating the comparator
07/2004
07/15/2004WO2004059845A2 Clock signal generator having a differential output
07/15/2004WO2004042924A3 Vco gain tracking for modulation gain setting calibration
06/2004
06/24/2004US20040119509 Single ended clock signal generator having a differential output
05/2004
05/21/2004WO2004042924A2 Vco gain tracking for modulation gain setting calibration
05/06/2004US20040087285 VCO gain tracking for modulation gain setting calibration
03/2004
03/04/2004WO2003044959A3 Low spurious direct digital synthesizer
05/2003
05/30/2003WO2003044959A2 Low spurious direct digital synthesizer
02/2003
02/18/2003US6522176 Low spurious direct digital synthesizer
08/2002
08/20/2002US6437607 Non linear circuit for open load control in low-side driver type circuits
03/1997
03/19/1997EP0474729B1 Voltage control oscillator with automatic current control
02/1994
02/01/1994CA2009468C Frequency control apparatus and method for a digital radio receiver
09/1993
09/21/1993CA2063404C Voltage control oscillator with automatic current control
02/1993
02/24/1993EP0474729A4 Voltage control oscillator with automatic current control
03/1992
03/25/1992CN1016035B Voltage control oscillator with automatic current control
03/25/1992CN1016034B Frequency control apparatus and method for digital radio receiver
03/18/1992EP0474729A1 Voltage control oscillator with automatic current control.
12/1990
12/12/1990CN1047773A Voltage control oscillator with automatic current control
12/03/1990WO1990015484A1 Voltage control oscillator with automatic current control
11/1990
11/06/1990US4968952 Voltage control oscillator with automatic current control
10/1990
10/18/1990WO1990012457A1 Frequency control apparatus and method for a digital radio receiver
10/10/1990CN1046074A Frequency control apparatus and method for digital radio receiver
10/03/1990EP0389974A1 Frequency control apparatus and method for a digital radio receiver
12/1989
12/12/1989US4887050 Frequency control apparatus and method for a digital radio receiver
03/1984
03/20/1984CA1164051A1 Repeater trunking system