Patent ID: 11914280
Assignee: CARESTREAM HEALTH, INC.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A cylindrical drum for processing a thermal image medium, the drum having an axis of rotation, comprising:
first and second end plates that each extend orthogonally to the axis of rotation and enclose an inner core of the drum;
first and second inner partitions disposed along the axis of rotation, and defining a first end zone in the inner core lying between the first inner partition and the first end plate, a second end zone in the inner core lying between the second inner partition and the second end plate, and a middle zone in the inner core lying between the first and second inner partitions, wherein each of the inner partitions has a plurality of sleeve portions that extend outward from said each of the inner partitions, in an axial direction;
a first lamp heater extending parallel to the axis and through one or more sleeve portions and having a first filament disposed within the first end zone and a second filament disposed within the second end zone; and
a second lamp heater extending parallel to the axis and through one or more sleeve portions and having a central filament disposed within the middle zone.