JPH01165249U - - Google Patents
Info
- Publication number
- JPH01165249U JPH01165249U JP6123388U JP6123388U JPH01165249U JP H01165249 U JPH01165249 U JP H01165249U JP 6123388 U JP6123388 U JP 6123388U JP 6123388 U JP6123388 U JP 6123388U JP H01165249 U JPH01165249 U JP H01165249U
- Authority
- JP
- Japan
- Prior art keywords
- heat generating
- switching element
- drawn out
- heating resistor
- units
- 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 5
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例の要部を示す概略的
構成図、第２図は従来のサーマルヘツドの要部を
示す概略的構成図である。
５……発熱抵抗体層、６，７……電極、６Ａ，
７Ａ……幅狭部、９……発熱抵抗体、１０，１３
……ＮＰＮ型トランジスタ、１１……駆動電圧入
力端子。
FIG. 1 is a schematic diagram showing the main parts of an embodiment of the present invention, and FIG. 2 is a schematic diagram showing the main parts of a conventional thermal head. 5... Heat generating resistor layer, 6, 7... Electrode, 6A,
7A...Narrow width part, 9...Heating resistor, 10, 13
...NPN transistor, 11... Drive voltage input terminal.
Claims (1)
する先端部間の発熱抵抗体層部分を１ビツトの発
熱抵抗体と成し、上記発熱抵抗体層を挾んで一側
及び他側に交互に引き出された複数の電極と、 上記一側に引き出された複数の電極をそれぞれ
一方の電源端子に接続するスイツチング素子と、 上記他側に引き出された複数の電極をそれぞれ
他方の電源端子に接続するスイツチング素子とを
設け、 上記一側に引き出された電極に接続されたスイ
ツチング素子によつて発熱抵抗体を２ビツト単位
で選択すると共に、該選択された２ビツト単位の
発熱抵抗体を上記他側に引き出された電極に接続
されたスイツチング素子によつて１ビツト単位で
選択するように成されたサーマルヘツド。[Scope of Claim for Utility Model Registration] A heat generating resistor layer formed on a substrate, a tip end of which is joined to the heat generating resistor layer, and a portion of the heat generating resistor layer between adjacent tip ends formed into a 1-bit heat generating resistor. a switching element that connects each of the plurality of electrodes drawn out to one side to one power terminal; and a switching element that connects each of the plurality of electrodes drawn out to the other side to the other power supply terminal, and the heating resistor is connected to the 2-bit heating resistor by the switching element connected to the electrode drawn out to the one side. The thermal head is configured to select the heating resistor in units of 2 bits and to select the selected heating resistor in units of 2 bits in units of 1 bit by a switching element connected to the electrode drawn out to the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6123388U JPH01165249U (en) | 1988-05-10 | 1988-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6123388U JPH01165249U (en) | 1988-05-10 | 1988-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01165249U true JPH01165249U (en) | 1989-11-17 |
Family
ID=31286908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6123388U Pending JPH01165249U (en) | 1988-05-10 | 1988-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01165249U (en) |
-
1988
- 1988-05-10 JP JP6123388U patent/JPH01165249U/ja active Pending
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