Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
05/2004
05/25/2004US6741102 Phase frequency detector
05/25/2004CA2374777C Clock/data recovery circuit
05/21/2004WO2004042928A1 Circuit arrangement for frequency division and phase locked loop with said circuit arrangement
05/21/2004WO2004042927A1 Pll using unbalanced quadricorrelator
05/21/2004WO2004042926A1 Capacitive charge pump
05/21/2004WO2004042925A1 Pll with balanced quadricorrelator
05/21/2004WO2004042924A2 Vco gain tracking for modulation gain setting calibration
05/21/2004WO2004042721A1 Delay signal generation device and recording pulse generation device
05/21/2004WO2002014790A3 Cmi signal timing recovery
05/20/2004US20040096013 Clock and data recovery with extended integration cycles
05/20/2004US20040095991 Synchronizing PCM and pseudorandom clocks
05/20/2004US20040095863 Phase lock loop for optical disc drive and optical media with wobbled grooves
05/20/2004US20040095701 High bandwidth, high PSRR, low dropout voltage regulator
05/20/2004US20040095211 Tunable ferro-electric filter
05/20/2004US20040095197 Lock detector circuit for phase locked loop
05/20/2004US20040095196 Low-jitter loop filter for a phase-locked loop system
05/20/2004US20040095195 Adaptive loop bandwidth phase locked loop having deglitch circuit for providing short lock time
05/20/2004US20040095194 Dynamically trimmed voltage controlled oscillator
05/20/2004US20040095189 Edge synchronized phase-locked loop circuit
05/20/2004US20040095174 Duty cycle correction circuit and delay locked loop having the same
05/20/2004US20040095169 Clock generating circuit including memory for regulating delay amount of variable delay circuit in ring oscillator
05/19/2004EP1420512A1 Phase detector with delay elements for improved data regeneration
05/19/2004EP1420511A1 Phase detector for extended linear response and highspeed data regeneration
05/19/2004EP1420242A1 Biological optical measuring instrument
05/19/2004EP1419580A2 Phase-locked loop with analog phase rotator
05/19/2004EP1419579A1 Compensating for differences between clock signals
05/19/2004EP1243074B1 Phase detector for a phase-locked loop
05/19/2004EP0929952B1 Production of an optical frequency reference signal
05/19/2004DE10339215A1 Zerhacker-Vergleicher Chopper comparators
05/19/2004DE10337044A1 Kompensieren eines Jitter in Differenzdatensignalen Compensating a jitter differential data signals
05/19/2004DE10330796A1 Registergesteuerter Delay Locked Loop mit Beschleunigungsmodus Register-controlled delay locked loop with acceleration mode
05/19/2004CN1498460A Delay lock loops for wireless communication system
05/19/2004CN1497849A Method for multi-phase division with frequency-doubled phase interpolation
05/19/2004CN1497835A Emulator of transistor oscillator
05/19/2004CN1150714C Method for reducing transients in clock signal generating system
05/19/2004CN1150678C Voltage controlled oscillation circuit
05/19/2004CN1150669C Voltage controlled oscillation circuit
05/18/2004US6738922 Clock recovery unit which uses a detected frequency difference signal to help establish phase lock between a transmitted data signal and a recovered clock signal
05/18/2004US6738449 Programmable fractional frequency divider
05/18/2004US6738444 Apparatus and method of generating clock signal
05/18/2004US6738206 Decision error compensation technique for decision-directed timing recovery loop
05/18/2004US6737930 Tunable planar capacitor
05/18/2004US6737927 Duty cycle correction circuit for use with frequency synthesizer
05/18/2004US6737925 Method and apparatus for controlling supply voltage levels for integrated circuits
05/18/2004US6737897 Power reduction for delay locked loop circuits
05/18/2004US6737896 Synchronous circuit
05/13/2004WO2004040898A2 System and method for suppressing noise in a phase-locked loop circuit
05/13/2004WO2004040836A1 Receiving apparatus
05/13/2004WO2004040835A1 Data processing circuit
05/13/2004WO2004040769A1 Self-adjusting programmable on-chip clock aligner
05/13/2004WO2004040768A1 Phase comparison gain detecting circuit, erroneous synchronization detecting circuit and pll circuit
05/13/2004US20040093532 Information processor and information processing system utilizing interface for synchronizing clock signal
05/13/2004US20040092242 Semiconductor integrated circuit including oscillator and semiconductor integrated circuit for communication
05/13/2004US20040091075 Process, voltage, temperature independent switched delay compensation scheme
05/13/2004US20040091064 Phase detector with delay elements for improved data regeneration
05/13/2004US20040090909 Frequency modulator using a waveform generator
05/13/2004US20040090890 Harmonic correction in phase-locked loops
05/13/2004US20040090889 Recording pulse generator
05/13/2004US20040090278 Voltage-controlled oscillator and integrated circuit device provided with it
05/13/2004US20040090277 Frequency locked loop
05/13/2004US20040090276 Voltage-controlled oscillator
05/13/2004US20040090275 Phase locked state detecting apparatus and image processing apparatus
05/13/2004US20040090273 Digital adjustable chip oscillator
05/13/2004US20040090250 Phase regulating circuit a time-delay element
05/13/2004US20040090248 Programmable timing generator with offset and width control using delay lock loop
05/13/2004DE10346928A1 Verzögerungseinstellungsschaltung Delay adjustment circuit
05/13/2004DE10303939B3 Phase detector circuit for phase regulating loop for digital communications device e.g. mobile or cordless telephone
05/13/2004DE10249886A1 Verfahren und Vorrichtung zum Erzeugen eines Taktsignals mit vorbestimmten Taktsingaleigenschaften Method and apparatus for generating a clock signal with predetermined Taktsingaleigenschaften
05/13/2004CA2503731A1 Self-adjusting programmable on-chip clock aligner
05/13/2004CA2502841A1 System and method for suppressing noise in a phase-locked loop circuit
05/12/2004EP1417763A2 Low voltage charge pump for use in a phase locked loop
05/12/2004EP1417762A2 Clock data recovering system with external early/late input
05/12/2004EP1417761A2 High-speed programmable synchronous counter for use in a phase locked loop
05/12/2004EP1188228B1 Electronic circuit arrangement generating a transmit frequency
05/12/2004EP1153331A4 Opto-electronic techniques for reducing phase noise in a carrier signal by carrier suppression
05/12/2004CN1496604A Automatic tuning of VCO
05/12/2004CN1495433A System and method for detecting open-phase of compressor system
05/12/2004CN1149739C Phase-Locking oscillation circuit
05/12/2004CN1149455C Method for producing real time clock signal real time clock producer and correction unit
05/11/2004US6735710 Clock extraction device
05/11/2004US6735454 Method and apparatus for activating a high frequency clock following a sleep mode within a mobile station operating in a slotted paging mode
05/11/2004US6735428 Wireless communication apparatus
05/11/2004US6735422 Calibrated DC compensation system for a wireless communication device configured in a zero intermediate frequency architecture
05/11/2004US6735265 Comparator
05/11/2004US6735183 Radio frequency data communications device
05/11/2004US6735148 Variable delay circuit and method, and delay locked loop, memory device and computer system using same
05/11/2004US6734748 Phase-locked loop oscillator with counter bypass
05/11/2004US6734742 Voltage controlled oscillator capable of linear operation at very low frequencies
05/11/2004US6734741 Frequency synthesizer with digitally-controlled oscillator
05/11/2004US6734740 Enhanced ZDB feedback methodology utilizing binary weighted techniques
05/11/2004US6734739 Fractional-frequency-modulation PLL synthesizer that suppresses spurious signals
05/11/2004US6734738 Low power timer circuit having stable output frequency
05/11/2004US6734708 Controllable current source circuit and a phase locked loop equipped with such a circuit
05/11/2004CA2338320C Integrated data clock extractor
05/11/2004CA2290862C A frequency/phase comparison circuit with gated reference and signal inputs
05/06/2004WO2004038918A2 Method and device for generating a clock signal with predetermined clock signal properties
05/06/2004WO2004038909A2 Voltage-controlled oscillator comprising a circuit for compensating frequency pulling
05/06/2004WO2004038719A2 Frequency and phase control apparatus and maximum likelihood decoder
05/06/2004WO2003098916A3 High-resolution image projection
05/06/2004WO2003021426A9 Method and apparatus for timing and event processing in wireless systems