| Patents for H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations (1,662) |
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| 08/18/2004 | EP1446886A1 Method and device for phase and frequency comparison |
| 08/17/2004 | US6778026 High-speed phase frequency detection module |
| 08/10/2004 | US6774679 Semiconductor integrated circuit |
| 08/10/2004 | CA2201695C Phase detector for high speed clock recovery from random binary signals |
| 08/05/2004 | WO2004066074A2 Clock and data recovery phase-locked loop and high-speed phase detector architecture |
| 08/05/2004 | US20040153681 Phase detector for extended linear response and high-speed data regeneration |
| 08/03/2004 | US6771096 Circuit, system, and method for using hysteresis to avoid dead zone or non-linear conditions in a phase frequency detector |
| 07/29/2004 | US20040146131 Phase detector |
| 07/29/2004 | US20040145390 Phase frequency detector with a narrow control pulse |
| 07/28/2004 | CN1159849C Digital phase detecting method and its device |
| 07/27/2004 | US6768347 Precise phase detector |
| 07/22/2004 | US20040141577 Clock and data recovery phase-locked loop |
| 07/21/2004 | CN1158752C Phase frequency detector having instantaneous phase difference output |
| 07/15/2004 | US20040136483 Clock recovery method by phase selection |
| 07/13/2004 | US6763294 System and method for validating quadrature signals |
| 07/13/2004 | US6762626 Phase detector |
| 07/08/2004 | DE10227839B4 Phasendifferenzerfassungsschaltung Phase difference detecting circuit |
| 07/01/2004 | US20040125903 Digital phase detection with jitter filter |
| 06/29/2004 | US6756822 Phase detector employing asynchronous level-mode sequential circuitry |
| 06/24/2004 | WO2004054165A1 Phase erroneous-synchronization detecting circuit |
| 06/24/2004 | US20040119506 Phase detection device, dial type detection device, and phase detection method |
| 06/22/2004 | US6753704 Sampling phase detector |
| 06/17/2004 | US20040114702 Bang-bang phase detector for full-rate and half-rate schemes clock and data recovery and method therefor |
| 06/16/2004 | EP1016218B1 Phase detector for high speed clock recovery from random binary signals |
| 06/15/2004 | US6750725 Apparatus for detecting phase error by using zero crossing characteristics of input signal, and phase locked loop circuit using the same |
| 06/01/2004 | US6744838 PLL lock detector |
| 05/27/2004 | WO2004045076A1 Phase comparator |
| 05/27/2004 | WO2004045064A1 Differential time sampling circuit |
| 05/27/2004 | US20040100308 Method and circuitry for phase align detection in multi-clock domain |
| 05/27/2004 | DE10253085A1 Phase comparator for PLL switching network monitors phase of input signals by sensing flanks of waveform and includes additional switching network comparing other input signal flanks |
| 05/25/2004 | US6741102 Phase frequency detector |
| 05/21/2004 | WO2004043062A1 Read-out circuit for infrared detectors. |
| 05/21/2004 | WO2004042927A1 Pll using unbalanced quadricorrelator |
| 05/19/2004 | EP1420512A1 Phase detector with delay elements for improved data regeneration |
| 05/19/2004 | EP1420511A1 Phase detector for extended linear response and highspeed data regeneration |
| 05/13/2004 | US20040091064 Phase detector with delay elements for improved data regeneration |
| 05/13/2004 | US20040090277 Frequency locked loop |
| 05/12/2004 | CN1495589A Phase position detector, dial-type detector and phase position detecting method |
| 05/11/2004 | US6735265 Comparator |
| 05/11/2004 | US6734739 Fractional-frequency-modulation PLL synthesizer that suppresses spurious signals |
| 05/11/2004 | CA2290862C A frequency/phase comparison circuit with gated reference and signal inputs |
| 05/06/2004 | US20040085089 One-level zero-current-state exclusive or (XOR) gate |
| 04/15/2004 | US20040070432 High speed digital phase/frequency comparator for phase locked loops |
| 04/15/2004 | DE10237120B3 Phasendetektor Phase detector |
| 04/01/2004 | US20040061539 Linear half-rate phase detector for clock recovery and method therefor |
| 03/16/2004 | US6707319 Frequency comparator with malfunction reduced and phase-locked state detecting circuit using the same |
| 03/11/2004 | WO2004021574A1 Phase locked loop |
| 03/11/2004 | WO2003061111A3 Phase freqency detector |
| 03/02/2004 | US6700944 Phase detector for clock and data recovery |
| 03/02/2004 | US6700414 Phase comparator accurately comparing phases of two clock signals and clock generation circuit employing the same |
| 02/19/2004 | WO2003032494A3 Frequency locked loop with digital oversampling feedback control and filter |
| 02/19/2004 | US20040032285 Phase detector |
| 02/12/2004 | WO2004013956A1 Phase detector with selection of differences between input signals |
| 02/12/2004 | US20040028165 Digital phase detector with extended resolution |
| 02/10/2004 | US6690209 Phase detecting with parallel discharge paths |
| 02/04/2004 | CN1472886A Multiplexer input circuit with DLL phase detector |
| 01/27/2004 | US6683930 Digital phase/frequency detector, and clock generator and data recovery PLL containing the same |
| 01/27/2004 | US6683478 Apparatus for ensuring correct start-up and phase locking of delay locked loop |
| 01/21/2004 | CN1469550A 半导体集成电路 The semiconductor integrated circuit |
| 01/20/2004 | US6680992 Clock identification and reproduction circuit |
| 01/15/2004 | US20040008733 Multiplexer input circuit with DLL phase detector |
| 01/14/2004 | EP1381153A1 Multiplexer input circuit with DLL phase detector |
| 01/06/2004 | US6674309 Differential time sampling circuit |
| 01/02/2004 | EP1374404A1 Phase locked loop with a linear phase detector |
| 12/24/2003 | CN1463491A 半导体集成电路 The semiconductor integrated circuit |
| 12/17/2003 | CN1462114A Phase-comparision circuit and clock data restoring circuit and transceiver circuit |
| 12/09/2003 | US6661862 Digital delay line-based phase detector |
| 12/04/2003 | US20030223527 Phase comparator, clock data recovery circuit and transceiver circuit |
| 12/04/2003 | US20030222723 Fractional-frequency-modulation PLL synthesizer that suppresses spurious signals |
| 12/04/2003 | US20030222720 Semiconductor integrated circuit |
| 12/02/2003 | US6657466 System and method for generating interleaved multi-phase outputs from a nested pair of phase locked loops |
| 11/27/2003 | US20030219090 Phase comparator having a flip-flop circuit and a logic circuit |
| 11/26/2003 | EP1365502A2 Phase detector for quadrature signals, and method |
| 11/18/2003 | US6650146 Digital frequency comparator |
| 11/13/2003 | US20030210077 Precise phase detector |
| 11/11/2003 | US6646478 Method and apparatus for increasing capture range and jitter tolerance in phase detection circuits |
| 11/11/2003 | US6646477 Phase frequency detector with increased phase error gain |
| 11/06/2003 | US20030208310 System and method for validating quadrature signals |
| 11/04/2003 | US6642747 Frequency detector for a phase locked loop system |
| 11/04/2003 | US6642746 Phase detector with minimized phase detection error |
| 10/28/2003 | US6640311 Redundant oscillator and method for generating a regulated signal |
| 10/21/2003 | US6636122 Analog frequency locked loop with digital oversampling feedback control and filter |
| 10/21/2003 | US6636079 Phase comparing circuit, PLL circuit, televisions broadcasting receiver, and method of comparing phase |
| 10/14/2003 | US6633184 Phase comparator and synchronizing signal extracting device |
| 10/02/2003 | WO2003049277A3 Non-linear phase detector |
| 10/02/2003 | US20030185329 Phase detector and method for a shortening phase-error-correction pulse |
| 10/02/2003 | US20030184400 Phase comparison method, phase comparison circuit, and phase locked loop (PLL) type circuit |
| 10/02/2003 | US20030184346 Method and apparatus for increasing capture range and jitter tolerance in phase detection circuits |
| 10/02/2003 | US20030184278 Device and method for measuring jitter in phase locked loops |
| 10/01/2003 | EP1349266A1 Phase comparison method, phase comparison circuit, and phase locked loop (PLL) type circuit |
| 10/01/2003 | EP1262016B1 Fractional-n phase locked loop |
| 09/25/2003 | US20030179014 Frequency comparator with malfunction reduced and phase-locked state detecting circuit using the same |
| 09/18/2003 | US20030174003 Semiconductor integrated circuit |
| 09/16/2003 | US6622255 Digital clock skew detection and phase alignment |
| 09/16/2003 | US6621307 Method and circuit for determining frequency and time variations between electronic signals |
| 09/11/2003 | US20030169836 Phase comparator and clock recovery circuit |
| 09/09/2003 | US6617883 Dual differential input comparators with integrated phase detector |
| 09/02/2003 | US6614314 Non-linear phase detector |
| 08/27/2003 | EP1228632B1 Phase detector and lock detector for a pll |
| 08/21/2003 | US20030155981 Phase locked loop (PLL) |