US PATENT SUBCLASS 399 / 67
.~ Control of fixing


Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

38  DF  CONTROL OF ELECTROPHOTOGRAPHY PROCESS {15}
67.~ Control of fixing {2}
68  DF  .~.~> Conveyance of copy
69  DF  .~.~> Temperature control {1}


DEFINITION

Classification: 399/67

Control of fixing:

(under subclass 38) Subject matter wherein a means or method is provided for controlling a parameter which causes a developed image to be permanently attached to a copy medium or substrate.

(1) Note. A parameter may be, for example, voltage, current, or pressure.

(2) Note. Common applications for attaching an image to a copy medium are heat, pressure, and solvent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33, for over-temperature protection during fixing.

91, for a fire extinguisher internal to the machine.

122, for fixing unit with particular modular or displaceable structure. 320+, for fixing (e.g., fusing), per se.

SEE OR SEARCH CLASS

374, Thermal Measuring and Testing,

1+, for thermal calibration devices.