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Class Information
Number: 327/10
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific signal discriminating (e.g., comparing, selecting, etc.) without subsequent control > By phase > Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.) > With reference signal > Uniform pulse waveform
Description: Subject matter wherein the reference signal is a series of pulses evenly spaced.

Patents under this class:

Patent Number Title Of Patent Date Issued
8660502 High frequency antenna switch module Feb. 25, 2014
8179163 Method and apparatus for charge pump linearization in fractional-N PLLs May. 15, 2012
7847641 Digital phase and frequency detector Dec. 7, 2010
7839177 Techniques for phase detection with fast reset Nov. 23, 2010
7769121 Phase detector for data communications Aug. 3, 2010
7755397 Methods and apparatus for digital phase detection with improved frequency locking Jul. 13, 2010
7443251 Digital phase and frequency detector Oct. 28, 2008
7298178 Clock-generator architecture for a programmable-logic-based system on a chip Nov. 20, 2007
7102391 Clock-generator architecture for a programmable-logic-based system on a chip Sep. 5, 2006
7003065 PLL cycle slip detection Feb. 21, 2006
6990597 Clock generation circuit, data transfer control device, and electronic instrument Jan. 24, 2006
6838912 Digital fractional phase detector Jan. 4, 2005
6806742 Phase detector for low power applications Oct. 19, 2004
6415422 Method and system for performing capacitance estimations on an integrated circuit design routed by a global routing tool Jul. 2, 2002
6351153 Phase detector with high precision Feb. 26, 2002
6064235 Shared path phase detector May. 16, 2000
5818265 Digital phase detector Oct. 6, 1998
5663666 Digital phase detector Sep. 2, 1997
5619148 Digital variable in-lock range phase comparator Apr. 8, 1997
5578947 Delayed detection type demodulator Nov. 26, 1996
5566129 Semiconductor memory device with address transition detector Oct. 15, 1996
5530382 Delayed detection type demodulator Jun. 25, 1996
5410195 Ripple-free phase detector using two sample-and-hold circuits Apr. 25, 1995
5126602 Digital phase detector in an NRZ bit synchronous system Jun. 30, 1992
5105160 Phase comparator using digital and analogue phase detectors Apr. 14, 1992
4901026 Phase detector circuit having latched output characteristic Feb. 13, 1990
4806870 Phase comparator and data separator Feb. 21, 1989
4803385 Phase detecting circuit Feb. 7, 1989
4754225 Phase comparator insensitive to clock asymmetry Jun. 28, 1988
4751468 Tracking sample and hold phase detector Jun. 14, 1988
4686481 Phase detector apparatus including charge pump means Aug. 11, 1987
4654600 Phase detector Mar. 31, 1987
4642489 Sampled data amplitude linear phase detector Feb. 10, 1987
4568881 Phase comparator and data separator Feb. 4, 1986
4523150 Phase comparator using two capacitors alternately charged via constant current sources Jun. 11, 1985
4435657 Phase detector circuit Mar. 6, 1984
4403193 Pulse detection circuit Sep. 6, 1983
4242602 Phase comparator circuit with gated isolation circuit Dec. 30, 1980
4198575 Circuit arrangement responsive to control signals for generating and storing a variable electrical analog signal Apr. 15, 1980
4110557 Phase lock oscillator for use in data processing system Aug. 29, 1978
4024458 Electrical signal generating system May. 17, 1977
3986125 Phase detector having a 360 linear range for periodic and aperiodic input pulse streams Oct. 12, 1976
3970868 Phase comparator Jul. 20, 1976
3947775 Phase and frequency comparator Mar. 30, 1976
3944939 Demodulator assembly for trains with differential phase modulation Mar. 16, 1976

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