JPH01142017U - - Google Patents
Info
- Publication number
- JPH01142017U JPH01142017U JP3692888U JP3692888U JPH01142017U JP H01142017 U JPH01142017 U JP H01142017U JP 3692888 U JP3692888 U JP 3692888U JP 3692888 U JP3692888 U JP 3692888U JP H01142017 U JPH01142017 U JP H01142017U
- Authority
- JP
- Japan
- Prior art keywords
- detection means
- temperature
- heated member
- control device
- heated
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 230000005669 field effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Temperature (AREA)
Description
第１図は本実施例の温度制御装置の回路図、第
２図ａ〜ｅは本実施例の温度制御装置の回路図の
動作を説明するためのタイムチヤート、第３図は
従来の温度制御装置の回路図である。
５……ＣＰＵ、６……ブリツジ回路、７……コ
ンパレータ、８……ヒータ駆動回路、ＲＴＨ２…
…感温素子、Ｔｒ２……ＭＯＳＦＥＴ。
Fig. 1 is a circuit diagram of the temperature control device of this embodiment, Figs. 2 a to e are time charts for explaining the operation of the circuit diagram of the temperature control device of this embodiment, and Fig. 3 is a conventional temperature control system. FIG. 3 is a circuit diagram of the device. 5... CPU, 6... Bridge circuit, 7... Comparator, 8... Heater drive circuit, RTH 2 ...
...Temperature sensing element, T r2 ...MOSFET.
Claims (1)
部材の温度を検出する検知手段と、該検知手段の
出力と前記被加熱部材を所定温度に設定するため
の基準電位とを比較する比較手段とを備えた温度
制御装置において、 前記検知手段に電界効果型トランジスタを接続
し、該電界効果型トランジスタを所定周期で駆動
する駆動手段を設けたことを特徴とする温度制御
装置。[Claims for Utility Model Registration] A heated member heated by a heat source, a detection means for detecting the temperature of the heated member, an output of the detection means and a standard for setting the heated member to a predetermined temperature. A temperature control device comprising a comparison means for comparing a potential with a potential, characterized in that a field effect transistor is connected to the detection means, and a drive means for driving the field effect transistor at a predetermined period is provided. Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988036928U JP2500814Y2 (en) | 1988-03-19 | 1988-03-19 | Temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988036928U JP2500814Y2 (en) | 1988-03-19 | 1988-03-19 | Temperature control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01142017U true JPH01142017U (en) | 1989-09-28 |
| JP2500814Y2 JP2500814Y2 (en) | 1996-06-12 |
Family
ID=31263514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988036928U Expired - Lifetime JP2500814Y2 (en) | 1988-03-19 | 1988-03-19 | Temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2500814Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516597A (en) * | 1974-07-05 | 1976-01-20 | Laurel Bank Machine Co | Shiheiruino hanbetsusochi |
| JPS5785106A (en) * | 1980-11-17 | 1982-05-27 | Matsushita Electric Ind Co Ltd | Temperature control circuit |
-
1988
- 1988-03-19 JP JP1988036928U patent/JP2500814Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516597A (en) * | 1974-07-05 | 1976-01-20 | Laurel Bank Machine Co | Shiheiruino hanbetsusochi |
| JPS5785106A (en) * | 1980-11-17 | 1982-05-27 | Matsushita Electric Ind Co Ltd | Temperature control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2500814Y2 (en) | 1996-06-12 |
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