US PATENT SUBCLASS 369 / 44.25
.~.~ Servo signal compared to a reference signal

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

43  DF  WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING {1}
44.11  DF  .~ Optical servo system {12}
44.25.~.~ Servo signal compared to a reference signal

DEFINITION

Classification: 369/44.25

Servo signal compared to a reference signal:

(under subclass 44.11) Subject matter wherein a developed servo signal is compared to an external reference signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

44.27, if in an initialization/start-up or changing modes

system.

44.34, if the reference signal is sampled and stored signal of an earlier servo signal.