Patents
Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641)
06/2006
06/22/2006US20060132254 Temperature compensated crystal oscillator
06/22/2006US20060132251 High-stability piezoelectric oscillator
06/20/2006US7064617 Method and apparatus for temperature compensation
06/14/2006EP1384286B1 Inverted-f ferroelectric antenna
06/13/2006US7061337 Amplitude control circuit
06/07/2006EP1665527A2 Electromechanical transducer and electrical device
06/07/2006CN1784831A Method and apparatus for a low jitter dual-loop fractional N-type synthesizer
06/06/2006US7057434 Circuit and method to eliminate startup and shutoff runt pulses from crystal oscillators
06/01/2006WO2006057811A1 Reference oscillator frequency correction system
06/01/2006US20060114073 Temperature compensated r-c oscillator
05/2006
05/26/2006WO2006053417A1 Method and apparatus for precise open loop tuning of reference frequency within a wireless device
05/25/2006US20060111068 Driver device for a voltage-controlled oscillator
05/24/2006CN1777544A Closure and methods for placing and removing such a closure
05/23/2006US7050777 Methods and circuitry for reducing intermodulation in integrated transceivers
05/23/2006US7049898 Strained-silicon voltage controlled oscillator (VCO)
05/18/2006DE19882433B4 Funktionsgenerator für eine Näherungsfunktion dritter Ordnung unter Verwendung des Generators hergestellte temperatur-kompensierte Kristalloszillatorschaltung und Temperaturkompensationsverfahren Function generator for an approximate function of the third order temperature-compensated crystal oscillator circuit and temperature compensation method produced using the generator
05/17/2006CN1773862A Voltage control oscillator and oscillator frequency regulating method
05/17/2006CN1256809C Method and apparatus for compensating local oscillatory frequency error through environmental control
05/16/2006US7046968 Frequency correcting method for cellular phone terminal
05/16/2006US7046584 Compensated ensemble crystal oscillator for use in a well borehole system
05/16/2006US7046099 Temperature compensated oscillator
05/10/2006EP0974196B1 Afc-digital tuning through mutual digital synthesis
05/10/2006CN1771664A Device for detecting the temperature of an oscillator crystal
05/10/2006CN1770632A Novel circuit for minimizing filter capacitance leakage induced jitter in phase locked loops (PLLs)
05/09/2006US7042301 Crystal oscillator emulator
05/09/2006US7042299 Crystal oscillation circuit
05/09/2006US7042298 Oscillator circuit and oscillation stabilizing method
05/04/2006US20060094465 Method and apparatus for compensating an oscillator in a location-enabled wireless device
05/04/2006DE19828622B4 Breitbandoszillator mit automatischer Vorspannungssteuerung Broadband oscillator with automatic bias control
05/03/2006CN1768478A Calibration techniques for frequency synthesizers
04/2006
04/20/2006DE10191096B4 Temperaturkompensierter Kristalloszillator und Verfahren zum Ausführen der Temperaturkompensation A temperature compensated crystal oscillator and method for performing temperature compensation
04/19/2006CN1762091A Oscillator characteristic automatic compensator, characteristic automatic compensating method, characteristic automatic compensating program, and position measuring signal receiver
04/18/2006US7030707 Oscillator circuits and methods that change frequency in inverse proportion to power source voltage
04/18/2006US7030706 Self-calibratable oscillating device and method and ASIC thereof
04/13/2006US20060077015 Oscillator circuit with temperature compensation function
04/13/2006CA2582350A1 System and method for introducing dither for reducing spurs in digital-to-time converter direct digital synthesis
04/12/2006EP1645033A1 Method and arrangement for frequency synchronisation of a mobile station with a base station in a mobile communication system
04/12/2006EP1352476A4 Precision oven-controlled crystal oscillator
04/06/2006US20060071734 Frequency controller for a monolithic clock generator and timing/frequency reference
04/06/2006US20060071733 Low power consumed and small circuit area occupied temperature sensor
04/05/2006CN1249923C Method and circuit for providing datum frequency signal
04/04/2006US7023290 Temperature-compensated crystal oscillator
04/04/2006US7023286 Systems and methods for self-calibration
03/2006
03/29/2006EP1641123A1 Temperature-stabilized crystal oscillator and stabilisation method thereof
03/29/2006CN1753310A Random noise generator and a method for generating random noise
03/28/2006US7019598 Integrated VCO having an improved tuning range over process and temperature variations
03/23/2006WO2006031784A1 Reconfigurable radiation desensitivity bracket systems and methods
03/22/2006CN1750399A Method and device for correcting clock source ageing
03/21/2006US7015767 Function generator and temperature compensated crystal oscillator
03/15/2006EP1634373A1 Layout for a time base
03/09/2006US20060049886 On-die record-of-age circuit
03/08/2006EP1631890A2 A method and apparatus for detecting on-die voltage variations
03/07/2006US7010307 Method and apparatus for compensating an oscillator in a location-enabled wireless device
03/07/2006US7009455 Tunable power amplifier matching circuit
03/01/2006EP1388209B1 Reference oscillator with automatic compensation for aging and temperature
02/2006
02/28/2006US7005934 Crystal oscillator with temperature compensated through a vibrator current control circuit
02/23/2006US20060038627 PWM controller with temperature regulation of switching frequency
02/23/2006US20060038626 Electronic circuit with means of evaluating its temperature, method for evaluating the temperature, and application
02/21/2006US7003273 Temperature compensating circuit, electronic apparatus and radio unit having temperature compensating function
02/16/2006US20060033589 Frequency and/or phase compensated microelectromechanical oscillator
02/08/2006EP1623503A1 Method and apparatus for a low jitter dual-loop fractional -n synthesizer
02/07/2006US6995622 Frequency and/or phase compensated microelectromechanical oscillator
02/02/2006US20060022764 Frequency and/or phase compensated microelectromechanical oscillator
02/02/2006US20060022763 Temperature compensated piezoelectric oscillator and electronic apparatus comprising it
01/2006
01/26/2006WO2006008620A1 Temperature compensated oven controlled crystal oscillator
01/19/2006US20060013345 Oscillator frequency control
01/19/2006US20060012446 Temperature compensated oven controlled crystal oscillator
01/18/2006EP1617563A1 Integrated circuit including crystal oscillator emulator
01/18/2006EP1616389A1 Device for detecting the temperature of an oscillator crystal
01/18/2006CN1721965A Integrated circuit including processor and crystal oscillator emulator
01/18/2006CN1237706C Function generation circuit, crystal oscillation device, and method of adjusting the oscillation device
01/12/2006US20060007037 Temperature compensation improvements in radar apparatus
01/10/2006US6985040 Voltage controlled oscillator and method of generating an oscillating signal
01/05/2006WO2006000611A1 Frequency synthesizer
01/04/2006EP1612930A1 Crystal oscillator
01/04/2006CN1716656A Crystal oscillator
01/03/2006US6982606 Method and device for dynamically calibrating frequency
12/2005
12/29/2005US20050285692 Frequency synthesizer
12/29/2005US20050285690 Crystal oscillator
12/29/2005US20050285482 Crystal oscillator
12/27/2005US6980062 Oscillator circuit with temperature compensation function
12/21/2005EP1608059A1 Oscillator and method for tuning the frequency oc an oscillator
12/21/2005CN1711694A Oscillator frequency control
12/20/2005CA2173173C Method and apparatus for active temperature compensation in a radiowave transmitter
12/14/2005EP1605582A1 Oscillator characteristic automatic compensator, characteristic automatic compensating method, characteristic automatic compensating program, and position measuring signal receiver
12/14/2005EP1603806A1 Closure and methods for placing and removing such a closure
12/08/2005US20050270108 Method and apparatus for calibration of a low frequency oscillator in a processor based system
12/06/2005CA2294861C Function generation circuit, crystal oscillation device, and method of adjusting the crystal oscillation device
12/01/2005US20050264370 Reference oscillator
12/01/2005DE102004021441A1 Verfahren zur Kompensation eines temperaturbedingten Frequenzfehlers eines Schwingquarzes A method for compensating for a temperature-induced frequency error of a quartz crystal
11/2005
11/30/2005EP1377839B1 Low-loss tunable ferro-electric device and method of characterization
11/30/2005CN1702969A Delay chain immune to temperature virtually
11/29/2005US6970055 Tunable planar capacitor
11/24/2005US20050258913 Constant temperature type crystal oscillator
11/24/2005US20050258901 System and method for linearizing a CMOS differential pair
11/23/2005EP1598931A1 Constant temperature type crystal oscillator
11/23/2005CN1701296A Precision oscillator for an asynchronous transmission system
11/23/2005CN1228915C Temp. compensating crystal oscillator and its mfg. method
11/17/2005WO2005109029A1 Distress beacon comprising a thermostatically-controlled quartz oscillator
11/17/2005DE102004020975A1 Oszillator und Verfahren zum Betreiben eines Oszillators Oscillator and method of operating an oscillator
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 27