JPH0469145U

JPH0469145U -

Info

Publication number: JPH0469145U
Application number: JP11224190U
Authority: JP
Priority date: 1990-10-26
Filing date: 1990-10-26
Publication date: 1992-06-18
Anticipated expiration: 2005-10-26
Also published as: JP2522726Y2

Description

[Brief explanation of drawings]

第１図は本考案による感熱記録装置の第１実施
例の機能の説明図、第２図は同第１実施例の回路
図、第３図は同第１実施例のタイムチヤート、第
４図は本考案による感熱記録装置の第２実施例の
機能の説明図、第５図は同第１実施例の回路図、
第６図は同第１実施例のタイムチヤート、第７図
は本考案による感熱記録装置の第３実施例の機能
の説明図、第８図は同第３実施例の回路図、第９
図は同第３実施例のタイムチヤート、第１０図は
感熱記録装置の要部の斜視図、第１１〜１３図は
従来の感熱記録装置の作用の説明図、第１４図は
着目ドツト印字用発熱抵抗体の温度が周囲の印字
ドツトの印字熱から受ける影響の一例を示す図、
第１５図は着目ドツト印字用発熱抵抗体の温度が
周囲の印字ドツトの印字熱から受ける影響の他の
一例を示す図、である。１……発熱抵抗体、６……現ライン印字信号記
憶手段（第１ラツチ回路群）、７……前ライン印
字信号記憶手段（第２ラツチ回路群）、８……前
々ライン印字信号記憶手段（第３ラツチ回路群）
、９……パルス電力設定回路（ゲート回路群）。 FIG. 1 is an explanatory diagram of the functions of the first embodiment of the thermal recording device according to the present invention, FIG. 2 is a circuit diagram of the first embodiment, FIG. 3 is a time chart of the first embodiment, and FIG. 4 is an explanatory diagram of the functions of the second embodiment of the thermal recording device according to the present invention, and FIG. 5 is a circuit diagram of the first embodiment.
FIG. 6 is a time chart of the first embodiment, FIG. 7 is an explanatory diagram of the functions of the third embodiment of the thermal recording device according to the present invention, FIG. 8 is a circuit diagram of the third embodiment, and FIG.
The figure is a time chart of the third embodiment, Figure 10 is a perspective view of the main parts of the thermal recording device, Figures 11 to 13 are explanatory diagrams of the operation of the conventional thermal recording device, and Figure 14 is for printing focused dots. A diagram showing an example of how the temperature of a heating resistor is affected by the printing heat of surrounding printing dots,
FIG. 15 is a diagram showing another example of how the temperature of the heating resistor for printing the dot of interest is affected by the printing heat of the surrounding printing dots. 1...Heating resistor, 6...Current line print signal storage means (first latch circuit group), 7...Previous line print signal storage means (second latch circuit group), 8...Previous line print signal storage Means (third latch circuit group)
, 9...Pulse power setting circuit (gate circuit group).

Claims

[Claims for Utility Model Registration] (1) A plurality of heat generating resistors arranged in a row on the surface of the substrate along the main scanning direction, and each heat generating resistor connected to each of the plurality of heat generating resistors individually. an energization drive element that outputs a printing pulse that generates heat by energization, a current line print signal storage means that temporarily stores a print signal of the current line of each of the plurality of heat generating resistors, and one of the plurality of heat generating resistors. a previous line print signal storage means for temporarily storing the print signal of the previous line; and a previous line print signal storage means for temporarily storing the print signal of the previous line; and a pulse power setting circuit for setting pulse power, wherein the pulse power setting circuit applies pulse power of a printing pulse applied to a heat generating resistor to both sides of the heat generating resistor in the main scanning direction. 1. A thermal recording device, characterized in that it is configured to be set according to a print signal from an adjacent heating resistor. (2) The pulse power setting circuit sets the pulse power of the printing pulse applied to the heat generating resistor in accordance with the print signal of the current line of the heat generating resistor adjacent to both sides of the heat generating resistor in the main scanning direction. The thermal recording device according to claim 1, characterized in that it is configured as follows. (3) The pulse power setting circuit sets the pulse power of the printing pulse applied to the heat generating resistor in accordance with the print signal of the previous line of the heat generating resistor adjacent to both sides of the heat generating resistor in the main scanning direction. The thermal recording device according to claim 1, characterized in that it is configured as follows. (4) Pre-previous line print signal storage means for temporarily storing a print signal two lines before the current line of each of the plurality of heat generating resistors is provided, and the pulse power setting circuit applies the pulse power to the heat generating resistor. 4. The thermal recording apparatus according to claim 1, wherein the pulse power of the printing pulse is set in accordance with the printing signal of the line immediately before the heating resistor.