JPS6436150U - - Google Patents
Info
- Publication number
- JPS6436150U JPS6436150U JP13274587U JP13274587U JPS6436150U JP S6436150 U JPS6436150 U JP S6436150U JP 13274587 U JP13274587 U JP 13274587U JP 13274587 U JP13274587 U JP 13274587U JP S6436150 U JPS6436150 U JP S6436150U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- energizes
- rectangular wave
- duty
- printing
- 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 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図及び第２図は夫々本考案回路の一実施例
の回路図及びその信号波形図、第３図は従来回路
の一例の回路図である。
６……発振回路、７……Ｒ―Ｓフリツプフロツ
プ、８……デユーテイ可変回路、９……印字濃度
調整部、１０……アンドゲート、１１……制御装
置、１２……サーマルヘツドドライバ、１３……
サーマルヘツド、１４……ヒート端子、ＣＰ１〜
ＣＰ３……コンパレータ、Ｃ……コンデンサ、Ｔ
ｒ……トランジスタ、Ｒ１０〜Ｒ１２，ＲＡ，Ｒ
Ｂ……抵抗、ＶＲ……ボリユーム。
1 and 2 are a circuit diagram and a signal waveform diagram of an embodiment of the circuit of the present invention, respectively, and FIG. 3 is a circuit diagram of an example of a conventional circuit. 6...Oscillation circuit, 7...R-S flip-flop, 8...Duty variable circuit, 9...Print density adjustment section, 10...AND gate, 11...Control device, 12...Thermal head driver, 13... …
Thermal head, 14... Heat terminal, CP 1 ~
CP 3 ... Comparator, C... Capacitor, T
r...transistor, R 10 to R 12 , RA, R
B...Resistance, VR...Volume.
Claims (1)
そのデユーテイを外部からの調整によつて可変で
きる手段を有する回路と、 印字を必要とするサーマルヘツドの発熱抵抗体
を上記デユーテイを調整された矩形波によつて通
電、非通電にする回路とを設けてなるサーマルプ
リンタの印字回路。[Claims for Utility Model Registration] Output a rectangular wave with a constant period and constant amplitude, and
A circuit that has a means for changing the duty by external adjustment, and a circuit that energizes and de-energizes the heating resistor of a thermal head that requires printing using a rectangular wave whose duty is adjusted. Printing circuit for a thermal printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13274587U JPS6436150U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13274587U JPS6436150U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6436150U true JPS6436150U (en) | 1989-03-06 |
Family
ID=31389991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13274587U Pending JPS6436150U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6436150U (en) |
-
1987
- 1987-08-31 JP JP13274587U patent/JPS6436150U/ja active Pending
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