US PATENT SUBCLASS 226 / 20
.~.~.~.~ Responsive to photocell detection

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

Internet Version by PATENTEC © 1999      Terms of Use


226 /   HD   ADVANCING MATERIAL OF INDETERMINATE LENGTH

10  DF  WITH MATERIAL-RESPONSIVE CONTROL MEANS {7}
15  DF  .~ To position material laterally {3}
18  DF  .~.~ By shiftable material support {2}
19  DF  .~.~.~ Laterally movable support {1}
20.~.~.~.~ Responsive to photocell detection

DEFINITION

Classification: 226/20

(under subclass 19) Devices wherein the sensing means responds to light by varying its electrical characteristics or by generating an electric current.

SEE OR SEARCH CLASS

250, Radiant Energy,

548, includes means for detecting and controlling a web, strand, strip, or sheet, subclasses 555 and 559.01+ include a coded record, web, strand, strip, or sheet in the optical system and photocell circuitry, subclasses 566+ include the detection of a coded record, web, strand, strip, or sheet.