US PATENT SUBCLASS 235 / 458
.~.~.~ Perforated record

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

Internet Version by PATENTEC © 1999      Terms of Use


235 /   HD   REGISTERS

435  DF  CODED RECORD SENSORS {9}
439  DF  .~ Particular sensor structure {8}
454  DF  .~.~ Optical {10}
458.~.~.~ Perforated record {2}
459  DF  .~.~.~.~> Stationary {1}
461  DF  .~.~.~.~> One dimensional scan

DEFINITION

Classification: 235/458

Perforated record:

(under subclass 454) Subject matter wherein the coded indicia is in the form of perforations, and is sensed by detecting the light passing through the record.