JPS63130234U - - Google Patents
Info
- Publication number
- JPS63130234U JPS63130234U JP2229387U JP2229387U JPS63130234U JP S63130234 U JPS63130234 U JP S63130234U JP 2229387 U JP2229387 U JP 2229387U JP 2229387 U JP2229387 U JP 2229387U JP S63130234 U JPS63130234 U JP S63130234U
- Authority
- JP
- Japan
- Prior art keywords
- head
- printing
- heat sink
- heating elements
- printing device
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 4
- 238000007651 thermal printing Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例であるサーマル印字
装置の印字ヘツドの正面図であり、第２図は第１
図における―断面図である。第３図は本考案
の一実施例であるサーマル印字装置を含む電子タ
イプライタの外観を示す斜視図である。第４図は
第１図および第２図の印字ヘツドにおける発熱素
子列の温度分布を示す図であり、第５図は本考案
の別の実施例における印字ヘツドの断面図である
。第６図は従来の印字ヘツドにおける発熱素子列
の温度分布を示す図であり、第７図は従来の印字
ヘツドによつて拡大文字が印字される場合の印字
例を示す図である。
１２：プラテン、１４：キヤリツジ、２４：サ
ーマルリボン、２６：印字ヘツド、２８：印字用
紙、３０：ヘツド基板、３２：放熱板、３４，３
４ａ，３４ｂ：発熱素子、３６：プリント配線、
４４，４６：熱溜り（伝熱抑制部）、６０，６２
：断熱部（伝熱抑制部）。
FIG. 1 is a front view of a print head of a thermal printing device which is an embodiment of the present invention, and FIG.
It is a sectional view in the figure. FIG. 3 is a perspective view showing the appearance of an electronic typewriter including a thermal printing device according to an embodiment of the present invention. FIG. 4 is a diagram showing the temperature distribution of the heating element array in the print head of FIGS. 1 and 2, and FIG. 5 is a sectional view of the print head in another embodiment of the present invention. FIG. 6 is a diagram showing the temperature distribution of the heating element array in a conventional print head, and FIG. 7 is a diagram showing an example of printing when enlarged characters are printed by the conventional print head. 12: Platen, 14: Carriage, 24: Thermal ribbon, 26: Print head, 28: Print paper, 30: Head board, 32: Heat sink, 34,3
4a, 34b: heating element, 36: printed wiring,
44, 46: Heat reservoir (heat transfer suppression part), 60, 62
: Heat insulation part (heat transfer suppression part).
Claims (1)
基板とそのヘツド基板を支持する放熱板とを含む
印字ヘツドを、印字用紙の送り方向に対して直交
する方向に走査させながら印字を行うサーマル印
字装置において、 前記ヘツド基板および／または放熱板の一部分
であつて、前記発熱素子のうち両端に位置するも
のの少なくとも一方に対応する部分に、その周辺
部分より熱伝導率の低い伝熱抑制部を形成したこ
とを特徴とするサーマル印字装置。[Claims for Utility Model Registration] A printing head including a head board on which at least one row of heating elements is arranged and a heat sink supporting the head board is scanned in a direction perpendicular to the feeding direction of printing paper. In a thermal printing device that performs printing, a part of the head substrate and/or the heat sink, which corresponds to at least one of the heating elements located at both ends, has a lower thermal conductivity than the surrounding part. A thermal printing device characterized by forming a heat transfer suppressing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987022293U JPH0533349Y2 (en) | 1987-02-18 | 1987-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987022293U JPH0533349Y2 (en) | 1987-02-18 | 1987-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63130234U true JPS63130234U (en) | 1988-08-25 |
| JPH0533349Y2 JPH0533349Y2 (en) | 1993-08-25 |
Family
ID=30819541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987022293U Expired - Lifetime JPH0533349Y2 (en) | 1987-02-18 | 1987-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533349Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61227068A (en) * | 1985-04-01 | 1986-10-09 | Tdk Corp | Thermal head |
-
1987
- 1987-02-18 JP JP1987022293U patent/JPH0533349Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61227068A (en) * | 1985-04-01 | 1986-10-09 | Tdk Corp | Thermal head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533349Y2 (en) | 1993-08-25 |
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