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Class Information
Number: 327/243
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Phase shift by less than period of input > Variable or adjustable > With feedback
Description: Subject matter wherein a portion of the output signal is returned to an input.

Sub-classes under this class:

Class Number Class Name Patents
327/245 Having multiple outputs 28
327/244 With phase comparator or detector 129

Patents under this class:
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Patent Number Title Of Patent Date Issued
8710888 System and method for oscillator frequency control Apr. 29, 2014
8680916 High efficiency variable voltage supply Mar. 25, 2014
8587461 Data acquisition system with analog-to-digital converter having integrated multiplexer control Nov. 19, 2013
8570071 Phase adjustment apparatus and clock generator thereof and method for phase adjustment Oct. 29, 2013
8552781 Digital quadrature phase correction Oct. 8, 2013
8436666 Interface apparatus for semiconductor integrated circuit and interfacing method thereof May. 7, 2013
8354867 Phase-locked loop circuit and an associated method Jan. 15, 2013
8334716 Digital phase detection circuit and method Dec. 18, 2012
8300752 Method, circuit, and design structure for capturing data across a pseudo-synchronous interface Oct. 30, 2012
8189723 Method, circuit, and design structure for capturing data across a pseudo-synchronous interface May. 29, 2012
8144826 Clock signal recovery device and method for recovering clock signals Mar. 27, 2012
7847241 Power supply regulation using a feedback circuit comprising an AC and DC component Dec. 7, 2010
7849348 Programmable delay clock buffer Dec. 7, 2010
7609102 Pattern-dependent phase detector for clock recovery Oct. 27, 2009
7573311 Programmable high-resolution phase delay Aug. 11, 2009
7491931 Power supply regulation using a feedback circuit comprising an AC and DC component Feb. 17, 2009
7446616 Multi-phase clock generator and method thereof Nov. 4, 2008
7420404 Phase adjuster circuit and phase adjusting method Sep. 2, 2008
7205810 Skew tolerant phase shift driver with controlled reset pulse width Apr. 17, 2007
6433604 Phase adjustment technique Aug. 13, 2002
6400200 Semiconductor integrated circuit which generates waveforms which are out of phase with each other Jun. 4, 2002
6388485 Delay-locked loop circuit having master-slave structure May. 14, 2002
6356131 90-degree phase shifter Mar. 12, 2002
6121810 Integrated delay line calibration method and apparatus for direct access storage device (DASD) Sep. 19, 2000
6064244 Phase-locked loop circuit permitting reduction of circuit size May. 16, 2000
6052010 Circuit, apparatus and method for generating signals phase-separated by ninety degrees Apr. 18, 2000
5994938 Self-calibrating programmable phase shifter Nov. 30, 1999
5973532 Circuit arrangement for generating two signals staggered in time from a clock signal and for measuring their time stagger Oct. 26, 1999
5970110 Precise, low-jitter fractional divider using counter of rotating clock phases Oct. 19, 1999
5914631 Voltage generating circuit Jun. 22, 1999
5914623 shifter Jun. 22, 1999
5875219 Phase delay correction apparatus Feb. 23, 1999
5852380 Phase adjusting circuit, system including the same and phase adjusting method Dec. 22, 1998
5828257 Precision time interval division with digital phase delay lines Oct. 27, 1998
5811999 Power converter having switching frequency phase locked to system clock Sep. 22, 1998
5644260 RC/CR automatic quadrature network Jul. 1, 1997
5561792 Microprocessor with software switchable clock speed and drive strength Oct. 1, 1996
5521499 Signal controlled phase shifter May. 28, 1996
5485128 Oscillation circuit having a current-controlled phase shift circuit Jan. 16, 1996
5208545 Apparatus and method for eliminating phase skew in a multi-channel data acquisition system May. 4, 1993
5170130 Phase lock loop circuit with a subsidiary loop filter Dec. 8, 1992
5079440 Apparatus for generating computer clock pulses Jan. 7, 1992
5059818 Self-regulating clock generator Oct. 22, 1991
5053639 Symmetrical clock generator and method Oct. 1, 1991
4985639 Logic edge timing generation Jan. 15, 1991
4924188 Spread spectrum receiver having phase shifter for effecting phase synchronization of two convolvers May. 8, 1990
4739279 Method and a device for rapid adjustment of the phase of a clock signal in rapid phase Apr. 19, 1988
4700084 Digital clock recovery circuit apparatus Oct. 13, 1987
4680621 Method and apparatus for variable phasing of periodic signals Jul. 14, 1987
4631491 Bipolar transistor RF power amplifier Dec. 23, 1986

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