| Patents for H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations (1,662) |
|---|
| 09/25/2007 | US7274185 Methods of generating internal clock signals from external clock signals and of measuring the frequency of external clock signals and related frequency measuring circuits and semiconductor memory devices |
| 09/18/2007 | US7272521 Measurement of phase nonlinearity of non-linear devices |
| 09/12/2007 | CN101034870A Digital phase discrimination based on frequency sampling |
| 08/29/2007 | EP1602175B1 Phase-locked loop circuit |
| 08/23/2007 | US20070194811 Method and arrangement for interference compensation in a voltage-controlled frequency generator |
| 08/22/2007 | EP1821403A1 Phase frequency detector with a novel D flip flop |
| 08/14/2007 | US7257184 Phase comparator, clock data recovery circuit and transceiver circuit |
| 08/08/2007 | EP1816741A1 Phase detector |
| 08/08/2007 | CN1331149C Phase frequency comparing equipment |
| 08/01/2007 | CN101009488A Clock and data recovery circuit, and SERDES circuit |
| 08/01/2007 | CN101008660A Glue-injection techniques method of phase sensor |
| 07/31/2007 | US7251573 Phase detector |
| 07/31/2007 | US7250822 Clock oscillator |
| 07/24/2007 | US7248106 Sampling signal amplifier |
| 07/19/2007 | WO2007080918A1 Phase comparison circuit and pll synthesizer using the same |
| 07/17/2007 | US7245684 System and method for compensating for skew between a first clock signal and a second clock signal |
| 07/12/2007 | WO2007034992A3 An apparatus and method for multi-phase digital sampling |
| 07/12/2007 | US20070159213 Method and apparatus for measuring and compensating for static phase error in phase locked loops |
| 07/05/2007 | US20070152716 Clock signal detector |
| 07/05/2007 | US20070152715 Locked loop circuit for improving locking speed and clock locking method using the same |
| 07/04/2007 | CN1324604C Oscillating clock generating circuit and method thereof |
| 07/03/2007 | US7239681 System and method for maintaining a stable synchronization state in a programmable clock synchronizer |
| 06/26/2007 | US7236551 Linear half-rate phase detector for clock recovery and method therefor |
| 06/20/2007 | CN1985459A System and method for generating a jittered test signal |
| 06/19/2007 | US7233869 Phase comparing method and apparatus in which a sampled periodic signal has a predetermined resolution |
| 05/29/2007 | US7224760 High-speed wide bandwidth data detection circuit |
| 05/24/2007 | US20070116169 Phase-locked loop |
| 05/23/2007 | EP1632021B1 Phase detector and method of phase detection |
| 05/15/2007 | US7218697 Digital phase detector for periodically alternating signals |
| 05/15/2007 | US7218157 Phase locked loop |
| 05/10/2007 | WO2006104770B1 Circuit and method for monitoring the status of a clock signal |
| 05/02/2007 | CN1314205C Semiconductor integrated circuit |
| 04/25/2007 | EP1777823A1 An improved lock detect circuit for a phase locked loop |
| 04/25/2007 | EP1776619A1 Method and apparatus for high-speed input sampling |
| 04/19/2007 | US20070085570 Digital phase detector improving phase detection resolution thereof |
| 04/18/2007 | CN1311317C Phase position detector, dial-type detector and phase position detecting method |
| 04/17/2007 | US7205851 Semiconductor integrated circuit having a clock generation circuit |
| 04/10/2007 | US7202717 Chopped charge pump |
| 04/10/2007 | US7202707 High frequency binary phase detector |
| 04/04/2007 | EP1704384B1 Digital phase detector for periodically alternating signals |
| 04/03/2007 | US7200093 Method and related apparatus for decoding information carried by wobble signals |
| 04/03/2007 | US7200078 Method and related optical disk accessing apparatus for calibrating optical disk tilt servo system according to non-constant relation between locations and tilt angles of optical disk |
| 03/29/2007 | US20070069823 Semiconductor integrated circuit |
| 03/28/2007 | CN1938951A Fast phase-frequency detector arrangement |
| 03/27/2007 | US7196998 Method of determining ADIP information through counting identical bits and different bits |
| 03/21/2007 | CN1306699C Clock and data recovery circuit |
| 03/07/2007 | EP1661289B1 Phase detector |
| 03/06/2007 | US7185861 Collapsible display system |
| 02/28/2007 | EP1758255A2 PLL circuit and radio communication terminal apparatus using the same |
| 02/27/2007 | US7184512 Phase locked loop circuit and optical communications receiving apparatus |
| 02/27/2007 | US7184511 Method and apparatus for data density-independent phase adjustment in a clock and data recovery system |
| 02/15/2007 | US20070035343 Phase-locked/frequency-locked loop and phase/frequency comparator therefor |
| 02/15/2007 | US20070035333 Phase detector for RZ |
| 02/14/2007 | CN1913358A VCO circuit, PLL circuit using vco circuit, and data recording apparatus using the pll circuit |
| 01/31/2007 | EP1747617A2 System and method for generating a jittered test signal |
| 01/30/2007 | US7170963 Clock recovery method by phase selection |
| 01/25/2007 | US20070021933 Phase detector |
| 01/04/2007 | US20070001713 Phase detecting circuit having adjustable gain curve and method thereof |
| 01/03/2007 | EP1738465A1 Fast phase-frequency detector arrangement |
| 01/03/2007 | EP1297619B1 Linear dead-band-free digital phase detection |
| 01/02/2007 | US7157942 Digital frequency difference detector with inherent low pass filtering and lock detection |
| 12/27/2006 | EP1116323B1 Lock-in aid frequency detector |
| 12/26/2006 | US7154304 Enhanced phase and frequency detector that improves performance in the presence of a failing clock |
| 12/20/2006 | CN1291412C Oscillating clock generating circuit and method thereof |
| 12/14/2006 | WO2005109666A3 System and method for generating a jittered test signal |
| 12/12/2006 | US7148727 Read-out circuit for infrared detectors |
| 12/07/2006 | US20060273828 Phase detector and method having hysteresis characteristics |
| 12/05/2006 | US7145853 Method and related apparatus for evaluating beta-parameter according to write-in result of portion of write-in data with specific content while performing optimal power control of optical disk drive |
| 12/05/2006 | US7145398 Coarse frequency detector system and method thereof |
| 11/30/2006 | US20060267636 Methods for synchronizing high-speed signals in a digital phase detector |
| 11/29/2006 | EP1537699B1 Techniques to adjust a signal sampling point |
| 11/28/2006 | US7142025 Phase difference detector, particularly for a PLL circuit |
| 11/28/2006 | US7142013 One-level zero-current-state exclusive or (XOR) gate |
| 11/23/2006 | WO2005029709A3 Clock and data recovery system for a wide range of bit rates |
| 11/16/2006 | WO2006104770A3 Circuit and method for monitoring the status of a clock signal |
| 11/15/2006 | EP1721385A1 Broadband subharmonic sampling phase detector |
| 11/15/2006 | EP1115205B1 Pll circuit and radio communication terminal using pll |
| 11/09/2006 | US20060250161 Fast linear phase detector |
| 11/08/2006 | EP1611674B1 Linear phase detector with multiplexed latches |
| 11/07/2006 | US7133338 Method and related apparatus for evaluating beta-parameter according to results of read data sliced with different slicing levels while performing optimal power control of optical disk drive |
| 11/01/2006 | CN1855695A Analogue multiplier |
| 10/31/2006 | US7130214 Low-current and high-speed phase-change memory devices and methods of driving the same |
| 10/24/2006 | US7126389 Method and apparatus for an output buffer with dynamic impedance control |
| 10/17/2006 | US7123665 Method and apparatus for measuring phase error of a modulated signal |
| 10/17/2006 | US7123069 Latch or phase detector device |
| 10/11/2006 | CN1846391A 相位检测器 Phase detector |
| 10/10/2006 | US7119583 Phase detector and method having hysteresis characteristics |
| 10/05/2006 | DE102006001687A1 Leistungsregelvorrichtung Power control unit |
| 09/28/2006 | US20060214698 Phase-locked loop and method thereof and a phase-frequency detector and method thereof |
| 09/28/2006 | US20060214653 Gain and phase detector having dual logarithmic amplifiers |
| 09/27/2006 | EP1704384A1 Digital phase detector for periodically alternating signals |
| 09/26/2006 | US7112959 Comparator circuit and rotation detector |
| 09/21/2006 | US20060208766 Jitter detection apparatus |
| 09/19/2006 | US7110740 Mixer circuit, receiver circuit, and frequency comparison circuit |
| 09/19/2006 | US7109760 Delay-locked loop (DLL) integrated circuits that support efficient phase locking of clock signals having non-unity duty cycles |
| 09/14/2006 | US20060202733 High performance signal generation |
| 09/13/2006 | EP1701186A1 Electro-optic delay line discriminator |
| 09/05/2006 | US7103132 Phase comparator and method of controlling power saving operation of the same, and semiconductor integrated circuit |
| 09/05/2006 | US7102448 Phase frequency detector used in phase locked loop |
| 09/05/2006 | US7102406 Phase detector, clock distribution circuit, and LSI |