Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 327/159
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Synchronizing > With feedback > Phase lock loop > With digital element
Description: Subject matter including a device performing Boolean algebra operations.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
6411141 PLL circuit Jun. 25, 2002
6407641 Auto-locking oscillator for data communications Jun. 18, 2002
6407642 Frequency detector and phase-locked loop circuit including the detector Jun. 18, 2002
6407643 Phase-locked loop enabling the generation of a reference signal having a high spectral purity Jun. 18, 2002
6404291 Linear low noise phase loop frequency synthesizer using controlled divider pulse widths Jun. 11, 2002
6404249 Phase-locked loop circuit and frequency modulation method using the same Jun. 11, 2002
6396353 PLL frequency synthesizer operated with reduced settling time constant during frequency changeover May. 28, 2002
6392494 Frequency comparator and clock regenerating device using the same May. 21, 2002
6392493 Fractional-N frequency synthesizer May. 21, 2002
6389090 Digital clock/data signal recovery method and apparatus May. 14, 2002
6388536 Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications May. 14, 2002
6388480 Method and apparatus for reducing the lock time of DLL May. 14, 2002
6388483 Semiconductor integrated circuit device and microcomputer May. 14, 2002
6388531 Voltage controlled oscillator with reduced parasitic interference May. 14, 2002
6384650 Digital phase locked loop circuit May. 7, 2002
6377127 Phase locked loop circuit Apr. 23, 2002
6373305 Digital receive phase lock loop with residual phase error and cumulative phase error correction Apr. 16, 2002
6373306 Clock generator with programmable two-tone modulation for EMI reduction Apr. 16, 2002
6369660 Circuit and method for preventing runaway in a phase lock loop Apr. 9, 2002
6369624 Programmable phase shift circuitry Apr. 9, 2002
6366174 Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking Apr. 2, 2002
6366135 Data frequency detector Apr. 2, 2002
6362670 Controlled slew reference switch for a phase locked loop Mar. 26, 2002
6359519 Self-timed numerically controlled ring oscillator Mar. 19, 2002
6359483 Integrated circuit clock distribution system Mar. 19, 2002
6356158 Phase-locked loop employing programmable tapped-delay-line oscillator Mar. 12, 2002
6353348 Phase locked loops including analog multiplier networks that can provide constant loop bandwidth Mar. 5, 2002
6351154 Phase detector Feb. 26, 2002
6351191 Differential delay cell with common delay control and power supply Feb. 26, 2002
6348823 Digital controlled oscillating circuit of digital phase lock loops Feb. 19, 2002
6337589 Phase-lock loop with independent phase and frequency adjustments Jan. 8, 2002
6333896 Delay locked loop for use in synchronous dynamic random access memory Dec. 25, 2001
6331795 Lock determination circuit of PLL for pulling up intermediate electric potential of lock determination gate Dec. 18, 2001
6330296 Delay-locked loop which includes a monitor to allow for proper alignment of signals Dec. 11, 2001
6329855 Frequency synthesizer Dec. 11, 2001
6326851 Digital phase-domain PLL frequency synthesizer Dec. 4, 2001
6320469 Lock detector for phase-locked loop Nov. 20, 2001
6320436 Clock skew removal apparatus Nov. 20, 2001
6316975 Radio frequency data communications device Nov. 13, 2001
6317006 Frequency synthesizer utilizing phase shifted control signals Nov. 13, 2001
6314151 Phase comparator operable at half frequency of input signal Nov. 6, 2001
6314150 Lock detector circuit for a phase-locked loop Nov. 6, 2001
6313676 Synchronous type semiconductor integrated circuit having a delay monitor controlled by a delay control signal obtained in a delay measuring mode Nov. 6, 2001
6310521 Reference-free clock generation and data recovery PLL Oct. 30, 2001
6310653 Phase comparison and phase adjustment for synchronization to a reference signal that is asynchronous with respect to a digital sampling clock Oct. 30, 2001
6307441 Shape modulation transmit loop with digital frequency control and method for same Oct. 23, 2001
6307413 Reference-free clock generator and data recovery PLL Oct. 23, 2001
6304147 Method and circuit for reduced power consumption in a charge pump circuit Oct. 16, 2001
6304146 Method and apparatus for synthesizing dual band high-frequency signals for wireless communications Oct. 16, 2001
6304115 Phase locked loop having DC bias circuitry Oct. 16, 2001

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20










 
 
  Recently Added Patents
Lubrication condition monitoring
Suspended beam for use in MEMS device
LED assembly driving circuit
Golf ball mark repair tool
Device, system, and method for reflecting ions
Optical sheet and surface light source apparatus
Connector for securing ultrasound catheter to transducer
  Randomly Featured Patents
Production of .sup.203 Pb-tris-hydroxymethyl amino methane
Spinning reel with spool shaft and slider
Road wheels
Suction pile suitable for shallow depths
Process for production of propylene oxide/ethylene oxide block copolymers
Metal seals for check valves
Universal penetration test apparatus and method
Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter
Prioritizing feed content
System and method for providing control for switch-mode power supply