Temperature sensing of heater points in thermal print heads by resistive layer beneath the heating points
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United States of America Patent
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Mar 23, 1993
Grant Date -
N/A
app pub date -
May 20, 1991
filing date -
May 23, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Beneath its line of heater points, the print head includes a film of thermoresistive material which is used for sensing temperature in the proximity of the heater points, thereby making it possible to obtain a signal which can be used quickly in regulating the quantity of energy delivered to each heater point, thereby making it possible to operate the points at a higher rate because they are subjected to excitation which is regulated.
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Cited Art Landscape
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