Thermal printing system having function for preventing over heat

Details Thermal printing system having function for preventing over heat Thermal printing system having function for preventing over heat

1996-08-12

1999-11-16

Tran, Huan

Incremental printing of symbolic information

Thermal marking apparatus or processes

Density control

347 14, 347 17, B41J 2375, B41J 2365

Patent

active

059866845

ABSTRACT:
An information printing apparatus that applies predetermined print energy to a printhead to print data received from an external data source, includes a receiver for receiving printing data from the external data source, a detector for detecting a current temperature of the printhead which is used to print information associated with the received printing data and memory for storing the received printing data. A controller controls the information printing apparatus such that when the current temperature of the printhead is below a predetermined threshold temperature the printing data received from the external data source is directly printed without storing the received printing data in memory and when the current temperature of the printhead exceeds the predetermined threshold temperature the print head is prevented from printing out the printing data and the received printing data is stored in the memory means until the current temperature is below the predetermined threshold temperature at which time the stored data is printed.

REFERENCES:
patent: 4540295 (1985-09-01), Okunishi et al.
patent: 5220350 (1993-06-01), Fujii
patent: 5353044 (1994-10-01), Nakano et al.
patent: 5361090 (1994-11-01), Suzuki et al.

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