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Class Information
Number: 331/1R
Name: Oscillators > Automatic frequency stabilization using a phase or frequency sensing means
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7424280 |
Frequency synthesizer and frequency synthesis method |
Sep. 9, 2008 |
| 7411461 |
Frequency and/or phase lock loops with beat frequency estimation |
Aug. 12, 2008 |
| 7402821 |
Application of digital frequency and phase synthesis for control of electrode voltage phase in a high-energy ion implantation machine, and a means for accurate calibration of electrode voltage |
Jul. 22, 2008 |
| 7372338 |
Self-adjusting clock generator with stable frequency output |
May. 13, 2008 |
| 7369000 |
Adaptive frequency detector of phase locked loop |
May. 6, 2008 |
| 7342461 |
Feedback circuit for minimizing VCO sensitivity |
Mar. 11, 2008 |
| 7265711 |
High-frequency oscillator, high-frequency transmission-reception apparatus using the same, radar apparatus, and radar-apparatus-equipped vehicle and small boat equipped with the same |
Sep. 4, 2007 |
| 7246025 |
Method and apparatus for synchronizing signals in a testing system |
Jul. 17, 2007 |
| 7230497 |
System for controlling frequency of oscillator |
Jun. 12, 2007 |
| 7173749 |
Opto-electronic feedback for stabilizing oscillators |
Feb. 6, 2007 |
| 7171323 |
Integrated circuit having clock trim circuitry |
Jan. 30, 2007 |
| 7155188 |
Integrated circuit and receiving device |
Dec. 26, 2006 |
| 7148755 |
System and method to adjust voltage |
Dec. 12, 2006 |
| 7126430 |
PLL circuit |
Oct. 24, 2006 |
| 7098749 |
Reference oscillator |
Aug. 29, 2006 |
| 7096137 |
Clock trim mechanism for onboard system clock |
Aug. 22, 2006 |
| 7091795 |
Modulating ramp angle in a digital frequency locked loop |
Aug. 15, 2006 |
| 7058528 |
Automated optimization of asymmetric waveform generator LC tuning electronics |
Jun. 6, 2006 |
| 7039885 |
Methodology for design of oscillator delay stage and corresponding applications |
May. 2, 2006 |
| 7027741 |
Phase lock loop circuit and optical repeating apparatus, optical terminal apparatus, and optical communication system having the same |
Apr. 11, 2006 |
| 7020401 |
Transponder and wavelength division-multiplexing optical transmission equipment |
Mar. 28, 2006 |
| 7020228 |
DLL circuit |
Mar. 28, 2006 |
| 7010285 |
Phase locking loop frequency synthesizer |
Mar. 7, 2006 |
| 7002415 |
Frequency locked loop |
Feb. 21, 2006 |
| 6985705 |
Radio frequency control for communication systems |
Jan. 10, 2006 |
| 6973400 |
System and method for oscillator self-calibration using AC line frequency |
Dec. 6, 2005 |
| 6960960 |
Frequency detector detecting variation in frequency difference between data signal and clock signal |
Nov. 1, 2005 |
| 6956441 |
Phase locked state detecting apparatus and image processing apparatus |
Oct. 18, 2005 |
| 6943632 |
Frequency locked loop, clock recovery circuit and receiver |
Sep. 13, 2005 |
| 6934665 |
Electronic sensor with signal conditioning |
Aug. 23, 2005 |
| 6933788 |
Reference oscillator |
Aug. 23, 2005 |
| 6912426 |
Method for determining time constants of a reference model in a cascade controlling circuit |
Jun. 28, 2005 |
| 6891440 |
Quadrature oscillator with phase error correction |
May. 10, 2005 |
| 6888902 |
Digital variable frequency oscillator |
May. 3, 2005 |
| 6882236 |
Dynamically tuned amplifier for frequency shift keyed signals |
Apr. 19, 2005 |
| 6735428 |
Wireless communication apparatus |
May. 11, 2004 |
| 6731101 |
Modulation semiconductor integrated circuit device and testing method for oscillation circuit |
May. 4, 2004 |
| 6707343 |
Frequency synthesis apparatus, systems, and methods |
Mar. 16, 2004 |
| 6657917 |
Selective adjustment of voltage controlled oscillator gain in a phase-locked loop |
Dec. 2, 2003 |
| 6642797 |
Normalization methods for automatic requency compensation in bluetooth applications |
Nov. 4, 2003 |
| 6642701 |
Device and method for testing phase-locked loops |
Nov. 4, 2003 |
| 6639957 |
Method and system for calibrating an oscillator circuit using a network based time reference |
Oct. 28, 2003 |
| 6631336 |
Nondestructive method of quality control of high-voltage systems and device for use of the method |
Oct. 7, 2003 |
| 6622010 |
Frequency synthesizer |
Sep. 16, 2003 |
| 6617837 |
Frequency locked loop speed up |
Sep. 9, 2003 |
| 6614313 |
Precision oscillator circuits and methods with switched capacitor frequency control and frequency-setting resistor |
Sep. 2, 2003 |
| 6603299 |
Frequency locked loop speed up |
Aug. 5, 2003 |
| H2069 |
Signal processor |
Jul. 1, 2003 |
| 6560007 |
Bit-phase synchronized optical pulse stream local generator |
May. 6, 2003 |
| 6545545 |
Voltage-controlled oscillator frequency auto-calibrating system |
Apr. 8, 2003 |
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