US PATENT SUBCLASS 347 / 177
.~.~.~.~ Including sensor means

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

171  DF  THERMAL MARKING APPARATUS OR PROCESSES {20}
172  DF  .~ Multicolor {2}
174  DF  .~.~ Single-head type (e.g., multipass) {2}
176  DF  .~.~.~ Having single layer colored transfer material {1}
177.~.~.~.~ Including sensor means {1}
178  DF  .~.~.~.~.~> For detecting color

DEFINITION

Classification: 347/177

Including sensor means:

(under subclass 176) Subject matter comprising a device responsive to a physical stimulus (e.g., light, motion) for producing a signal indicating status of the record receiver or the transfer material.

SEE OR SEARCH CLASS

400, Typewriting Machines,

247+, for ribbon sensors.