JPS6372045U - - Google Patents
Info
- Publication number
- JPS6372045U JPS6372045U JP16655686U JP16655686U JPS6372045U JP S6372045 U JPS6372045 U JP S6372045U JP 16655686 U JP16655686 U JP 16655686U JP 16655686 U JP16655686 U JP 16655686U JP S6372045 U JPS6372045 U JP S6372045U
- Authority
- JP
- Japan
- Prior art keywords
- information
- heating element
- unit
- pulse width
- heat storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000005338 heat storage Methods 0.000 claims 5
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案のサーマルヘツド駆動装置の実
施例を示すブロツク図、第２図はその動作の説明
図、第３図はパルス幅情報と印字エネルギとの関
係を示すグラフ、第４図は印字エネルギと記録濃
度との関係を示すグラフである。
２……パルス幅情報、５……第１の演算部、６
……第２の演算部、７……第３の演算部、８……
近傍の印字情報、１１……断熱層の印字情報、１
３……着目単位発熱体用の印字情報。
Fig. 1 is a block diagram showing an embodiment of the thermal head driving device of the present invention, Fig. 2 is an explanatory diagram of its operation, Fig. 3 is a graph showing the relationship between pulse width information and printing energy, and Fig. 4 is a graph showing the relationship between pulse width information and printing energy. It is a graph showing the relationship between printing energy and recording density. 2...Pulse width information, 5...First calculation unit, 6
...Second calculation section, 7...Third calculation section, 8...
Neighborhood printed information, 11...Printed information on the heat insulation layer, 1
3...Printed information for the unit of interest heating element.
Claims (1)
に配列されそれぞれ独立に駆動されて発熱する多
数の単位発熱体に対して、各単位発熱体ごとに、
それぞれ印字すべき濃度に対応した多値の印字情
報を用意し、その印字情報に所定の補正を加えて
パルス幅情報を決定し、前記各単位発熱体に前記
パルス幅情報に対応する印字パルスを供給して駆
動し、１ラインずつ順に記録を行うものにおいて
、前記パルス幅情報を現に決定しようとする着目
単位発熱体について過去のラインの記録に使用し
た印字情報と、その着目単位発熱体に隣接する隣
接単位発熱体について現ラインの記録に使用する
印字情報とから、その単位発熱体の近傍の蓄熱情
報を演算する第１の演算部と、この第１の演算部
の演算した前記近傍の蓄熱情報と１ライン前の記
録に使用した近傍の蓄熱情報と前記断熱層の放熱
特性とから、前記断熱層の蓄熱情報を演算する第
２の演算部と、前記着目単位発熱体の現ラインの
記録に使用する印字情報と、前記第１の演算部の
出力する近傍の蓄熱情報と、前記第２の演算部の
出力する断熱層の蓄熱情報とから前記パルス幅情
報を演算する第３の演算部とを有することを特徴
とするサーマルヘツド駆動装置。 For a large number of unit heating elements that are arranged in a row on the substrate of a thermal head through a heat insulating layer and are driven independently and generate heat, each unit heating element is
Prepare multi-value printing information corresponding to each density to be printed, add a predetermined correction to the printing information to determine pulse width information, and apply a printing pulse corresponding to the pulse width information to each unit heating element. In a device that supplies and drives and sequentially records one line at a time, the pulse width information of the unit of interest heating element for which the pulse width information is currently being determined is the printed information used to record the past line, and the information adjacent to the unit of interest heating element. a first calculating section that calculates heat storage information in the vicinity of the unit heating element from printed information used to record the current line for the adjacent unit heating element; a second calculation unit that calculates heat storage information of the heat insulating layer from information, heat storage information in the vicinity used for recording one line before, and heat dissipation characteristics of the heat insulating layer; and a record of the current line of the unit heating element of interest. a third calculation unit that calculates the pulse width information from print information used for the process, heat storage information in the vicinity output from the first calculation unit, and heat storage information of the heat insulating layer output from the second calculation unit; A thermal head drive device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16655686U JPS6372045U (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16655686U JPS6372045U (en) | 1986-10-31 | 1986-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372045U true JPS6372045U (en) | 1988-05-14 |
Family
ID=31097648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16655686U Pending JPS6372045U (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372045U (en) |
-
1986
- 1986-10-31 JP JP16655686U patent/JPS6372045U/ja active Pending
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