US PATENT SUBCLASS 369 / 44.34
.~.~ Sampling servo system

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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}
44.34.~.~ Sampling servo system

DEFINITION

Classification: 369/44.34

Sampling servo system:

(under subclass 44.11) Subject matter wherein an instantaneous value of a variable is obtained at regular intervals (e.g., sample and hold, be it analog or digital storage, etc.).