US PATENT SUBCLASS 713 / 503
.~ Correction for skew, phase, or rate


Current as of: June, 1999
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713 /   HD   ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT

500  DF  CLOCK, PULSE, OR TIMING SIGNAL GENERATION OR ANALYSIS {3}
503.~ Correction for skew, phase, or rate


DEFINITION

Classification: 713/503

Correction for skew, phase, or rate:

(under subclass 500) Subject matter wherein a timing interval is corrected for skew or phase, or a rate is corrected by adjustment or alignment.

(1) Note. This subclass accepts clock and timing interval skew, phase and rate correcting in digital data processing systems and computers. Recovery from a fault caused by a timing interval skew is classified elsewhere.

SEE OR SEARCH CLASS

326, Electronic Digital Logic Circuitry,

96, for application of two or more time related or periodic signals to field-effect transistor for clocking or synchronizing.

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and System,

156+, wherein a circuit compares the phase of an output signal with a reference signal and converts any difference into a correction voltage that changes the phase of the output so it matches that of the reference or input signal; subclass 292 wherein clock accuracy is ensured by correction for anticipated or actual clock errors. 714, Electrical Computers and Digital Data Processing Systems: Error Detection/Correction and Fault Detection/Recovery,

1+, for reliability and availability, per se; subclass 700 for detection/correction of an error caused by the time delay between plural parallel bits forming a byte or data word.