Thermal sublimation imaging apparatus and thermal sublimation printer using the same
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United States of America Patent
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Jan 24, 2012
Grant Date -
May 14, 2009
app pub date -
Sep 11, 2008
filing date -
Nov 13, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A thermal sublimation imaging apparatus and a thermal sublimation printer using the same are described. A print head of the thermal sublimation imaging apparatus is fixed, a platen capable of contacting or separating from the fixed print head is lifted up to contact the fixed print head, and an elastic component is used in conjunction to provide a pressure for printing. The platen lays flat in paper feed/reverse mode, and presses downwardly to drive a paper pickup plate to fetch paper. These actions are achieved by a stepper motor together with a sensor through a worm shaft, a worm gear, and at least a gear. Therefore, the number and the cost of the gears are reduced, and the time for switching the printing action is greatly reduced since the switching can be implemented within a very small rotation angle.
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