JPS60141246U - thermal head - Google Patents
thermal headInfo
- Publication number
- JPS60141246U JPS60141246U JP2808784U JP2808784U JPS60141246U JP S60141246 U JPS60141246 U JP S60141246U JP 2808784 U JP2808784 U JP 2808784U JP 2808784 U JP2808784 U JP 2808784U JP S60141246 U JPS60141246 U JP S60141246U
- Authority
- JP
- Japan
- Prior art keywords
- thermal head
- heating element
- circuit
- analog
- resistance value
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の第１の実施例を示す回路ブロック図、
第２図は本考案の第２の実施例を示す回路ブロック図で
ある。
１．２・・・ｎ・・・・・・抵抗値検出回路、１０・・
・・・・電源回路、２０・・・・・・Ａ／Ｄ変換器、３
０・・・・・・サーマルヘッド駆動回路、３１．４０・
・・・・・記憶回路、３２．４１・・・・・・演算回路
、３３・・・・・・通電制御回路、４２・・・・・・バ
ッファ、４３・・・・・・カウンタ、Ｒ１，Ｒ２・・・
Ｒｎ・・・・・・発熱素子、Ｓｌ、Ｓ２．・・・Ｓｎ・
・・・・・スイッチ回路。FIG. 1 is a circuit block diagram showing a first embodiment of the present invention;
FIG. 2 is a circuit block diagram showing a second embodiment of the present invention. 1.2...n...Resistance value detection circuit, 10...
...Power supply circuit, 20...A/D converter, 3
0...Thermal head drive circuit, 31.40.
... Memory circuit, 32.41 ... Arithmetic circuit, 33 ... Current supply control circuit, 42 ... Buffer, 43 ... Counter, R1 ,R2...
Rn...Heating element, Sl, S2.・・・Sn・
...Switch circuit.
Claims (1)
にそれぞれスイッチ回路を有し、受入画情報に対応して
形成される駆動信号により当該発熱素子をオンすること
によって当該発熱素子を通電せしめ前記複数の発熱素子
を選択的に発熱するサーマルヘッドにおいて、少なくと
も、前記各発熱素子と前記各スイッチ回路との間にそれ
ぞれ直列接続されてなる抵抗器と、所定の制御信号が入
力されたときに当該抵抗器の両端間電圧値をサンプリン
グし、これをアナログ・ディジタル変換し、該アナログ
・ディジタル変換信号を当該発熱素子の抵抗値情報とし
て出力する抵抗値測定回路とを前記サーマルヘッドの同
一基板上に組込んで成るサーマルヘッド。A switch circuit is provided between each of the plurality of heating elements commonly connected to the power supply circuit and the ground, and the heating element is energized by being turned on by a drive signal formed in accordance with the received image information. In the thermal head that selectively generates heat from the plurality of heating elements, at least a resistor connected in series between each heating element and each switch circuit, and a predetermined control signal are input. A resistance value measurement circuit that samples the voltage value between both ends of the resistor, converts it into analog/digital, and outputs the analog/digital conversion signal as resistance value information of the heating element is installed on the same board as the thermal head. A thermal head built into the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2808784U JPS60141246U (en) | 1984-02-28 | 1984-02-28 | thermal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2808784U JPS60141246U (en) | 1984-02-28 | 1984-02-28 | thermal head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60141246U true JPS60141246U (en) | 1985-09-19 |
Family
ID=30525639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2808784U Pending JPS60141246U (en) | 1984-02-28 | 1984-02-28 | thermal head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60141246U (en) |
-
1984
- 1984-02-28 JP JP2808784U patent/JPS60141246U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60141246U (en) | thermal head | |
| JPH0392542U (en) | ||
| JPS60152945U (en) | temperature measuring device | |
| JPS6230640U (en) | ||
| JPS60159944U (en) | Control circuit for water heaters, etc. | |
| JPS60132066U (en) | Thermal recording control circuit | |
| JPS5810394U (en) | Planar heating element device | |
| JPS59158025U (en) | sensor circuit | |
| JPS58174889U (en) | Warming equipment | |
| JPS6127184U (en) | Remaining amount display device | |
| JPS6114096U (en) | response picture book | |
| JPS60114846U (en) | thermal recording device | |
| JPS60112816U (en) | temperature control circuit | |
| JPS61122847U (en) | ||
| JPS5819538U (en) | A-D converter for temperature controller | |
| JPS6125156U (en) | Printer paper width detection device | |
| JPS60179881U (en) | sensor circuit | |
| JPS59164738U (en) | thermal head | |
| JPS5892609U (en) | sensor circuit | |
| JPS60159599U (en) | Recorded information reproducing device | |
| JPH0652233U (en) | Matrix switch circuit | |
| JPS6031635U (en) | temperature measuring device | |
| JPS6110534U (en) | Temperature detection device Abnormality detection device | |
| JPS5956044U (en) | Thermal printer control circuit | |
| JPS60182150U (en) | thermal recording device |