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Class Information
Number: 327/148
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Synchronizing > Using multiple clocks > With feedback > Phase lock loop > With charge pump
Description: Subject matter wherein a device which pumps elemental positive or negative electrical energy is included.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8299728 Precharge controlling method and display device using the same Oct. 30, 2012
8294497 Low-offset charge pump, duty cycle stabilizer, and delay locked loop Oct. 23, 2012
8289057 Phase locked loop Oct. 16, 2012
8283957 Phase-locked loop circuit and radio receiver Oct. 9, 2012
8264259 Phase-locked loop circuit and delay-locked loop circuit Sep. 11, 2012
8264476 Active matrix type semiconductor device Sep. 11, 2012
8258836 Locked loops, bias generators, charge pumps and methods for generating control voltages Sep. 4, 2012
8248123 Loop filter Aug. 21, 2012
8242818 Phase-locked loop frequency synthesizer Aug. 14, 2012
8232822 Charge pump and phase-detecting apparatus, phase-locked loop and delay-locked loop using the same Jul. 31, 2012
8222933 Low power digital phase lock loop circuit Jul. 17, 2012
8222936 Phase and frequency detector with output proportional to frequency difference Jul. 17, 2012
8222937 Charge pump for PLL/DLL Jul. 17, 2012
8217691 Low power clocking scheme for a pipelined ADC Jul. 10, 2012
8217693 Charge pump with reduced current mismatch Jul. 10, 2012
8207769 Delay locked loop circuit Jun. 26, 2012
8193843 Charge pump tracking circuit for a phase lock loop Jun. 5, 2012
8193845 Binary-weighted delta-sigma fractional-N frequency synthesizer with digital-to-analog differentiators canceling quantization noise Jun. 5, 2012
8188777 Charge pump circuit and PLL circuit using the same May. 29, 2012
8188778 Calibration for phase-locked loop May. 29, 2012
8183900 Charge pump for a phase-locked loop May. 22, 2012
8183913 Integrated circuits including a charge pump circuit and operating methods thereof May. 22, 2012
8179176 Apparatus for detecting jitter of phase locked loop May. 15, 2012
8179175 Reliable charge pump circuit May. 15, 2012
8149031 Duty-cycle feedback charge pump Apr. 3, 2012
8125254 Techniques for configuring multi-path feedback loops Feb. 28, 2012
8125256 Bias generator providing for low power, self-biased delay element and delay line Feb. 28, 2012
8085071 Phase-locked loop circuit and delay-locked loop circuit Dec. 27, 2011
8076962 Frequency synthesis system with self-calibrated loop stability and bandwidth Dec. 13, 2011
8063678 Charge pump for phase locked loop Nov. 22, 2011
8058923 Charge pump circuit and slice level control circuit Nov. 15, 2011
8054114 Fractional-N phase-locked loop Nov. 8, 2011
8054115 Phase-locked loop integrated circuits having dual feedback control Nov. 8, 2011
8049540 Calibration system and method for phase-locked loops Nov. 1, 2011
8049541 Charge pump for PLL/DLL Nov. 1, 2011
8040168 Charge pump circuit Oct. 18, 2011
8040167 Method and apparatus for charge leakage compensation for charge pump Oct. 18, 2011
8022740 Fast-response phase-locked loop charge-pump driven by low voltage input Sep. 20, 2011
8008956 Frequency synthesizer and high-speed automatic calibration device therefor Aug. 30, 2011
8009785 Method and system for implementing a PLL using high-voltage switches and regulators Aug. 30, 2011
8000430 Wide frequency range delay locked loop Aug. 16, 2011
7994830 Systems and methods for PLL linearity measurement, PLL output duty cycle measurement and duty cycle correction Aug. 9, 2011
7990192 Phase locked loop and method for charging phase locked loop Aug. 2, 2011
7982510 Self-calibration method for a frequency synthesizer using two point FSK modulation Jul. 19, 2011
7977984 High-speed charge pump circuits Jul. 12, 2011
7977985 Bias generator providing for low power, self-biased delay element and delay line Jul. 12, 2011
7970092 Phase comparator and regulation circuit Jun. 28, 2011
7965117 Charge pump for phase locked loop Jun. 21, 2011
7961016 Charge pump and charging/discharging method capable of reducing leakage current Jun. 14, 2011
7948286 Bandwidth control apparatus for phase lock loop and method thereof May. 24, 2011

1 2 3 4 5 6 7










 
 
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