JPH0447549U - - Google Patents
Info
- Publication number
- JPH0447549U JPH0447549U JP8837790U JP8837790U JPH0447549U JP H0447549 U JPH0447549 U JP H0447549U JP 8837790 U JP8837790 U JP 8837790U JP 8837790 U JP8837790 U JP 8837790U JP H0447549 U JPH0447549 U JP H0447549U
- Authority
- JP
- Japan
- Prior art keywords
- thermal recording
- recording head
- giant magnetostrictive
- control mechanism
- magnetostrictive alloy
- 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
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Common Mechanisms (AREA)
- Electronic Switches (AREA)
Description
第１図はこの考案に係る熱記録ヘツド加圧制御
機構の一実施例を示す断面側面図、第２図は第１
図に示す超磁歪合金アクチユエータを示す断面図
、第３図は第１図の駆動制御回路を示すブロツク
図である。
１……熱記録ヘツド、２……ローラ、３……記
録媒体、４……加圧制御機構、５……バイアスス
プリング、６……超磁歪合金アクチユエータ、７
……圧力センサ、８……超磁歪合金、９……コイ
ル、１０ａおよび１０ｂ……バイアス磁石、１１
……入力アンプ、１２……アナログマルチプレク
サ、１３……サンプリアンドホールドアンプ、１
４……Ａ／Ｄコンバータ、１５……マイクロコン
トローラ、１６……Ｄ／Ａコンバータ、１７……
出力アンプ。
FIG. 1 is a cross-sectional side view showing one embodiment of the thermal recording head pressurization control mechanism according to this invention, and FIG.
3 is a cross-sectional view showing the giant magnetostrictive alloy actuator shown in the figure, and FIG. 3 is a block diagram showing the drive control circuit of FIG. 1. DESCRIPTION OF SYMBOLS 1... Thermal recording head, 2... Roller, 3... Recording medium, 4... Pressure control mechanism, 5... Bias spring, 6... Giant magnetostrictive alloy actuator, 7
... Pressure sensor, 8 ... Giant magnetostrictive alloy, 9 ... Coil, 10a and 10b ... Bias magnet, 11
... Input amplifier, 12 ... Analog multiplexer, 13 ... Sample and hold amplifier, 1
4...A/D converter, 15...Microcontroller, 16...D/A converter, 17...
output amplifier.
Claims (1)
熱記録ヘツドを記録媒体に加圧接触させて印字す
る熱記録方式において、前記熱記録ヘツドへの加
圧力を圧力センサによつて検出し、その検出結果
によつて超磁歪合金アクチユエータを駆動制御し
て適切な加圧力が得られるようにしてなる熱記録
ヘツド加圧制御機構。 In a thermal recording method in which a thermal recording head having a plurality of heating elements arranged in the main scanning direction is pressed into contact with a recording medium to print, the pressure applied to the thermal recording head is detected by a pressure sensor, A thermal recording head pressurization control mechanism that controls the drive of a giant magnetostrictive alloy actuator based on the detection result to obtain an appropriate pressurizing force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8837790U JPH0447549U (en) | 1990-08-27 | 1990-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8837790U JPH0447549U (en) | 1990-08-27 | 1990-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447549U true JPH0447549U (en) | 1992-04-22 |
Family
ID=31821570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8837790U Pending JPH0447549U (en) | 1990-08-27 | 1990-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447549U (en) |
-
1990
- 1990-08-27 JP JP8837790U patent/JPH0447549U/ja active Pending