Thermal recording control method and system

Details Thermal recording control method and system Thermal recording control method and system

1988-08-31

1990-05-22

Reynolds, Bruce A.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 76PH, 407120, G01D 900

Patent

active

049281100

ABSTRACT:
A thermal recording system is used as a recorder in a facsimile equipment or the like, and usually has a first operational mode in which picture data being read out at a pitch of M lines/mm is recorded at a pitch of M lines/mm and a second operational mode in which picture data being read out at a pitch of (M
) lines/mm are repetitively recorded for every n lines at a pitch of M lines/mm. In particular, in the second operational mode of the system, activation time periods of a thermal head in the repetitive recording of every n lines are controlled to be sequentially shorter as the lines advance, whereby a recording time in the second operational mode can be reduced and the deterioration of the recorded picture quality can be prevented.

REFERENCES:
patent: 3984809 (1976-10-01), Dertouzos et al.
patent: 4376942 (1983-03-01), Toth et al.
patent: 4560992 (1985-12-01), Hakoyama

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