| Patents for H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations (1,662) |
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| 08/21/2003 | US20030155947 Direction sensitive and phase-inversion free phase detectors |
| 08/21/2003 | US20030155946 Method and device for phase detection |
| 08/20/2003 | CN1118939C Phase detector and method |
| 08/19/2003 | US6608876 Phase control circuit and phase control method |
| 08/14/2003 | US20030151463 Phase comparator |
| 08/12/2003 | US6605935 Linear fast-locking digital phase detector |
| 08/06/2003 | CN1434569A 输出电路 Output circuit |
| 07/31/2003 | US20030143960 PLL circuit and radio communication terminal apparatus using the same |
| 07/31/2003 | US20030142775 Phase locked loop circuit and optical communications receiving apparatus |
| 07/31/2003 | US20030142774 Half-rate clock and data recovery circuit |
| 07/30/2003 | CN1116734C Phase detector |
| 07/24/2003 | WO2003061111A2 Phase freqency detector |
| 07/24/2003 | US20030137326 Output circuit |
| 07/17/2003 | US20030132804 High-speed phase frequency detection module |
| 07/17/2003 | US20030132784 Sampling phase detector |
| 07/15/2003 | US6594331 Two phase digital phase locked loop circuit |
| 07/09/2003 | EP1326327A1 Sampling phase detector |
| 07/09/2003 | EP1325553A1 Phase detector |
| 07/08/2003 | US6590949 Circuit and method for compensating a phase detector |
| 07/08/2003 | US6590427 Phase frequency detector circuit having reduced dead band |
| 07/02/2003 | CN1113462C Tuning control system |
| 06/19/2003 | US20030112913 Generating a lock signal indicating whether an output clock signal generated by a PLL is in lock with an input reference signal |
| 06/17/2003 | US6580297 Frequency comparison circuit |
| 06/12/2003 | WO2003049277A2 Non-linear phase detector |
| 06/10/2003 | US6577694 Binary self-correcting phase detector for clock and data recovery |
| 06/05/2003 | US20030102928 Non-linear phase detector |
| 06/03/2003 | US6574287 Frequency/Phase comparison circuit with gated reference and signal inputs |
| 05/30/2003 | WO2003044960A1 Method and device for phase and frequency comparison |
| 05/30/2003 | CA2463114A1 Method and device for phase and frequency comparison |
| 05/29/2003 | US20030098721 Phase comparator accurately comparing phases of two clock signals and clock generation circuit employing the same |
| 05/22/2003 | US20030094974 Clock's out-of-synchronism state detection circuit and optical receiving device using the same |
| 05/20/2003 | US6566912 Integrated XOR/multiplexer for high speed phase detection |
| 05/15/2003 | US20030091139 System and method for adjusting phase offsets |
| 05/15/2003 | US20030090296 Apparatus for ensuring correct start-up and phase locking of delay locked loop |
| 05/14/2003 | CN1418402A Phase detetor |
| 05/13/2003 | US6563346 Phase independent frequency comparator |
| 04/22/2003 | US6552616 Asynchronous phase detector for a PLD independent of timing requirements |
| 04/17/2003 | WO2003032494A2 Frequency locked loop with digital oversampling feedback control and filter |
| 04/15/2003 | US6549598 Clock signal extraction circuit |
| 04/10/2003 | US20030067354 Analog frequency locked loop with digital oversampling feedback control and filter |
| 04/08/2003 | US6545546 PLL circuit and optical communication reception apparatus |
| 04/03/2003 | US20030062955 Apparatus for detecting phase error by using zero crossing characteristics of input signal, and phase locked loop circuit using the same |
| 04/02/2003 | EP1297619A2 Linear dead-band-free digital phase detection |
| 03/25/2003 | US6538475 Phase detector |
| 03/20/2003 | US20030053576 Linear phase detector for high-speed clock and data recovery |
| 03/19/2003 | EP1294123A1 Linear phase detector for high-speed clock and data recovery |
| 03/11/2003 | US6532257 Method for performing phase comparison, and phase comparator |
| 02/26/2003 | EP1285498A2 High resolution phase frequency detectors |
| 02/26/2003 | CN1399404A Phase difference detecting circuit |
| 02/25/2003 | US6525521 Sample and hold phase detector having low spurious performance and method |
| 02/12/2003 | CN1396710A Device for testing phase difference by zero cross character of input signal and its phaselocked loop circuit |
| 02/06/2003 | WO2002023715A3 Digital clock skew detection and phase alignment |
| 02/06/2003 | US20030026372 Adaptive phase locked loop |
| 02/04/2003 | US6515466 Phase comparator |
| 01/30/2003 | US20030020514 Phase comparator circuit |
| 01/29/2003 | EP1125391A4 Phase difference magnifier |
| 01/23/2003 | US20030016766 Phase difference detecting circuit |
| 01/23/2003 | US20030016057 Phase detector with minimized phase detection error |
| 01/21/2003 | US6509770 Charge pump and PLL |
| 01/15/2003 | EP0938779B1 Method for performing phase comparison, and phase comparator |
| 01/08/2003 | CN1390306A 相位检测器 Phase detector |
| 01/02/2003 | US20030002601 Phase detector circuit for a phase control loop |
| 01/02/2003 | US20030001681 Method and device for improving efficiency of frequency synthesizer |
| 01/02/2003 | EP1271787A2 Method and device for improving lock-in of a frequency synthesizer by reducing cycle slips |
| 12/31/2002 | US6501259 Analog phase frequency detecting apparatus and method |
| 12/25/2002 | CN1387699A Slip-detecting phase detector and method for improving phase-lock loop lock time |
| 12/24/2002 | US6498824 Phase control signals for clock recovery circuits |
| 12/19/2002 | US20020191725 Phase comparator |
| 12/17/2002 | US6496042 Phase comparator for identifying and returning a non-return-to-zero receiving signal |
| 12/12/2002 | WO2002099971A1 Semiconductor integrated circuit |
| 12/05/2002 | US20020180488 Frequency comparison circuit |
| 12/04/2002 | EP1262016A2 Fractional-n phase locked loop |
| 11/21/2002 | DE10132232C1 Phase detector circuit for phase-regulating loop uses Exclusive-OR gates connected in circuit with integrators providing integrating loop filter |
| 11/19/2002 | US6483871 Phase detector with adjustable set point |
| 11/19/2002 | US6483389 Phase and frequency detector providing immunity to missing input clock pulses |
| 11/07/2002 | US20020163986 Method and apparatus for generating a phase dependent control signal |
| 11/07/2002 | US20020163325 Linear fast-locking digital phase detector |
| 10/24/2002 | US20020154722 Phase detector customized for clock synthesis unit |
| 10/24/2002 | US20020154721 Method and apparatus for generating a phase dependent control signal |
| 10/22/2002 | US6470060 Method and apparatus for generating a phase dependent control signal |
| 10/19/2002 | CA2344787A1 A phase detector customized for clock synthesis unit |
| 10/17/2002 | US20020150191 High resolution phase frequency detectors |
| 10/17/2002 | US20020149432 Voltage to current converter |
| 10/03/2002 | WO2002078189A1 Linear fast-locking digital phase detector |
| 09/26/2002 | US20020135400 Digital frequency comparator |
| 09/25/2002 | EP1244207A1 Phase comparator |
| 08/22/2002 | US20020113631 Charge pump and PLL |
| 08/22/2002 | US20020113625 Device for comparison of frequencies with low temporal inertia |
| 08/21/2002 | EP1233568A1 Phase comparator circuit |
| 08/07/2002 | EP1228632A2 Phase detector and lock detector for a pll |
| 08/06/2002 | US6430244 Digital phase-locked loop apparatus with enhanced phase error compensating circuit |
| 08/06/2002 | US6429707 Reference signal switchover clock output controller |
| 07/25/2002 | US20020097070 Method and system for reliably providing a lock indication |
| 07/23/2002 | US6424180 Digital phase shift amplification and detection system and method |
| 07/18/2002 | US20020094796 Phase detector circuit and method therefor |
| 07/16/2002 | US6420912 Voltage to current converter |
| 07/04/2002 | US20020084815 Phase frequency detector circuit having reduced dead band |
| 07/03/2002 | EP1218761A1 Phase detector |
| 06/25/2002 | US6411130 Method and system for reliably providing a lock indication |
| 06/20/2002 | DE10038880C2 Phasendetektor für einen Phasenregelkreis Phase detector for a phase-locked loop |