H03L 7 - Automatic control of frequency or phase; Synchronisation

Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
11/1998
11/12/1998	WO1998051014A1 Dual band phase locked loop using independent charge pumps
11/12/1998	DE19755143A1 Delay synchronous circuit for clock signals
11/12/1998	DE19751269A1 Clock signal synchronising circuit
11/11/1998	EP0877487A1 Coherent, fractional-N phase locked loop frequency synthesizer
11/11/1998	EP0606779B1 Improved phase comparator
11/11/1998	CN1198615A Radio equipment
11/10/1998	US5836000 Phase locked loop having automatic free running frequency adjustment
11/10/1998	US5835544 Clock signal reproduction circuit and data reproduction circuit
11/10/1998	US5835296 Apparatus for reproducing a digital information signal from a record carrier and counting the number of bits between two sync patterns
11/10/1998	US5834987 Frequency synthesizer systems and methods for three-point modulation with a DC response
11/10/1998	US5834980 Method and apparatus for supplying synchronization signals securing as clock signals with defined phase relationships
11/10/1998	US5834979 Automatic frequency control apparatus for stabilization of voltage-controlled oscillator
11/10/1998	US5834962 Level shift circuit and voltage controlled oscillation circuit using the same
11/10/1998	US5834950 Phase detector which eliminates frequency ripple
11/05/1998	WO1998049802A1 Programmable phase adjustment
11/05/1998	DE19749115A1 Clock signal phase detector circuit
11/04/1998	CN1198277A Frequency generating circuit
11/04/1998	CN1198271A Phase locked loop circuit
11/04/1998	CN1198043A Data and clock recovery PLL circuit using windowed phase comparator
11/04/1998	CN1040602C Synchronizing circuit
11/03/1998	US5832048 Digital phase-lock loop control system
11/03/1998	US5832045 Method and apparatus for recovering baud timing from correlation of intersymbol interference
11/03/1998	US5831486 Extended range current controlled oscillator
11/03/1998	US5831484 Differential charge pump for phase locked loop circuits
11/03/1998	US5831483 PLL frequency synthesizer having circuit for controlling gain of charge pump circuit
11/03/1998	US5831482 Method and apparatus for self-tuning a voltage controlled oscillator (VCO)
11/03/1998	US5831481 Phase lock loop circuit having a broad loop band and small step frequency
11/03/1998	US5831461 Method & apparatus for tracking characteristics of a data stream and a system incorporating the same
10/1998
10/29/1998	WO1998048514A2 Frequency synthesizer, particularly for use in a channel ic for hard disks
10/29/1998	WO1998048513A1 Process and device for locking-in a yig-tuned oscillator
10/29/1998	WO1998037705A3 Digital synchronization of broadcast frequency
10/29/1998	DE19716776A1 Verfahren und Anordnung zum Einrasten eines YIG-Oszillators Method and device for locking a YIG oscillator
10/28/1998	EP0874463A2 Multiband PLL frequency synthesizer
10/28/1998	EP0874449A2 A method and apparatus for phase detection in digital signals
10/28/1998	EP0873607A1 Method, device, dsp and modem for efficient echo canceler phase roll tracking
10/27/1998	US5828870 Method and apparatus for controlling clock skew in an integrated circuit
10/27/1998	US5828709 Apparatus and method for improving stability of transmitting frequency by using costas loop section in communication system of half duplex transmitting method
10/27/1998	US5828678 Digital audio resolving apparatus and method
10/27/1998	US5828257 Precision time interval division with digital phase delay lines
10/27/1998	US5828255 In a semiconductor circuit
10/27/1998	US5828254 Error regulator circuit for sample and hold phase locked loops
10/27/1998	US5828253 Phase synchronization system which reduces power consumption and high frequency noise
10/27/1998	CA2081400C Frequency synthesis using frequency controlled carrier modulated with pll feedback signal
10/22/1998	WO1998047232A1 Pll frequency synthesizer and portable terminal employing the pll frequency synthesizer
10/21/1998	EP0872959A1 Low noise frequency divider
10/21/1998	EP0872071A1 Clock signal distribution system
10/21/1998	EP0872070A1 Signal distribution system
10/21/1998	CN1196839A Transmission process in which conversion oscillator signal is synthesised by means of fractional N-phase-shift control loop
10/21/1998	CN1196623A Circuit for synchronizing transmission local oscillating frequency in digital microwave system
10/21/1998	CN1196610A Dual modulus prescaler
10/21/1998	CN1196608A Digital processing phase lock loop for synchronous digital micro-wave apparatus
10/20/1998	US5826181 Radio frequency noise reduction arrangement
10/20/1998	US5825640 Charge pump circuit and method
10/20/1998	US5825431 H-sync to pixel clock phase detection circuit
10/20/1998	US5825254 Frequency converter for outputting a stable frequency by feedback via a phase locked loop
10/20/1998	US5825253 Phase-locked-loop with noise shaper
10/20/1998	US5825252 Synthesized oscillation circuit
10/20/1998	US5825238 Circuit for filtering a power supply for noise sensitive devices
10/20/1998	US5825226 Delay equalization apparatus and method
10/20/1998	US5825222 Horizontal synchronous circuits
10/20/1998	US5825213 Method and apparatus for frequency synthesis
10/20/1998	US5825209 Quadrature phase detector
10/15/1998	WO1998045956A1 Rf distribution system providing fixed wireless local loop service and increased antenna functionality
10/15/1998	WO1998045950A1 Afc-digital tuning through mutual digital synthesis
10/15/1998	WO1998045949A1 Phase detector for high speed clock recovery from random binary signals
10/15/1998	DE19814190A1 Phase-locked-loop synchronisation error measuring method
10/15/1998	DE19714467A1 Digital data phase synchronisation method e.g. for long distance data transmission
10/14/1998	EP0870359A1 Digital frequency generator
10/14/1998	EP0746925A4 Standing sine wave clock bus for clock distribution systems
10/14/1998	CN1195928A Wide band phase locked loop circuit using narrow band voltage controlled oscillator
10/13/1998	US5822573 Clock generator for a microprocessor having a delay equalization circuit
10/13/1998	US5822387 Apparatus for fast phase-locked loop (PLL) frequency slewing during power on
10/13/1998	US5822255 Semiconductor integrated circuit for supplying a control signal to a plurality of object circuits
10/13/1998	US5821829 Integrated circuit waith automatic compensation for deviations of the capacitances from nominal values
10/13/1998	US5821819 Base station oscillator tuned with received clock signal
10/13/1998	US5821818 For generating a dot-clock signal
10/13/1998	US5821817 Fast-locking low-noise phase-locked loop
10/13/1998	US5821816 Integer division variable frequency synthesis apparatus and method
10/13/1998	US5821789 Fast switching phase-locked loop
10/13/1998	US5821785 Clock signal frequency multiplier
10/13/1998	CA2108217C Carrier phase lock detecting apparatus used in psk-modulated signal receiver for satellite communication system
10/08/1998	WO1998044673A1 A delay lock loop with transition recycling for clock recovery of nrz run-length encoded serial data signals
10/08/1998	WO1998044659A1 IrDA MODULATION/DEMODULATION INTEGRATED CIRCUIT DEVICE
10/08/1998	WO1998044632A1 Digital frequency synthesizer system and method
10/08/1998	WO1998044624A1 Phase detector
10/07/1998	EP0869675A2 An exciter circuit for digital television transmitters
10/07/1998	EP0869674A1 Transmitting system and method
10/07/1998	EP0869673A2 Television signal broadcasting system with common clock reference
10/07/1998	EP0869672A1 Predistortion circuit for an RF amplifier
10/07/1998	EP0869671A1 Frequency controlling circuit for digital television transmission
10/07/1998	EP0869670A1 Combining adjacent TV channels for transmission by a common antenna
10/07/1998	EP0869666A2 A digital system having a sync confidence counter
10/07/1998	EP0869650A2 A trellis encoder for encoding a digital data stream
10/07/1998	EP0869619A1 Integrated circuit comprising a phase controlled loop
10/07/1998	EP0869618A1 Synchronisation circuit
10/07/1998	EP0868784A1 Combining oscillator with a phase-indexed control circuit for a radio receiver
10/07/1998	EP0868783A1 Procedure and circuit for holding lock state in a digital pll
10/07/1998	EP0868782A1 Voltage controlled crystal oscillator and loop filter
10/07/1998	EP0566586B1 An oscillator unit with improved frequency stability
10/07/1998	CN1195432A Method and apparatus for controlling voltage controlled oscillator tuning range in frequency synthesizer

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